diff options
Diffstat (limited to 'src/gallium/drivers/cell/spu')
28 files changed, 7515 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/spu/.gitignore b/src/gallium/drivers/cell/spu/.gitignore new file mode 100644 index 00000000000..2be9a2d3242 --- /dev/null +++ b/src/gallium/drivers/cell/spu/.gitignore @@ -0,0 +1 @@ +g3d_spu diff --git a/src/gallium/drivers/cell/spu/Makefile b/src/gallium/drivers/cell/spu/Makefile new file mode 100644 index 00000000000..116453b79c5 --- /dev/null +++ b/src/gallium/drivers/cell/spu/Makefile @@ -0,0 +1,82 @@ +# Gallium3D Cell driver: SPU code + +# This makefile builds the g3d_spu.a file that's linked into the +# PPU code/library. + + +TOP = ../../../../.. +include $(TOP)/configs/current + + +PROG = g3d + +PROG_SPU = $(PROG)_spu +PROG_SPU_A = $(PROG)_spu.a +PROG_SPU_EMBED_O = $(PROG)_spu-embed.o + + +SOURCES = \ + spu_command.c \ + spu_dcache.c \ + spu_funcs.c \ + spu_main.c \ + spu_per_fragment_op.c \ + spu_render.c \ + spu_texture.c \ + spu_tile.c \ + spu_tri.c + +OLD_SOURCES = \ + spu_exec.c \ + spu_util.c \ + spu_vertex_fetch.c \ + spu_vertex_shader.c + + +SPU_OBJECTS = $(SOURCES:.c=.o) \ + +SPU_ASM_OUT = $(SOURCES:.c=.s) \ + +INCLUDE_DIRS = \ + -I$(TOP)/src/mesa \ + -I$(TOP)/src/gallium/include \ + -I$(TOP)/src/gallium/auxiliary \ + -I$(TOP)/src/gallium/drivers + + +.c.o: + $(SPU_CC) $(SPU_CFLAGS) -c $< + +.c.s: + $(SPU_CC) $(SPU_CFLAGS) -O3 -S $< + + +# The .a file will be linked into the main/PPU executable +default: $(PROG_SPU_A) + +$(PROG_SPU_A): $(PROG_SPU_EMBED_O) + $(SPU_AR) $(SPU_AR_FLAGS) $(PROG_SPU_A) $(PROG_SPU_EMBED_O) + +$(PROG_SPU_EMBED_O): $(PROG_SPU) + $(SPU_EMBED) $(SPU_EMBED_FLAGS) $(PROG_SPU) $(PROG_SPU) $(PROG_SPU_EMBED_O) + +$(PROG_SPU): $(SPU_OBJECTS) + $(SPU_CC) -o $(PROG_SPU) $(SPU_OBJECTS) $(SPU_LFLAGS) + + + +asmfiles: $(SPU_ASM_OUT) + + +clean: + rm -f *~ *.o *.a *.d *.s $(PROG_SPU) + + + +depend: $(SOURCES) + rm -f depend + touch depend + $(MKDEP) $(MKDEP_OPTIONS) $(INCLUDE_DIRS) $(SOURCES) 2> /dev/null + +include depend + diff --git a/src/gallium/drivers/cell/spu/spu_colorpack.h b/src/gallium/drivers/cell/spu/spu_colorpack.h new file mode 100644 index 00000000000..d7ce0055248 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_colorpack.h @@ -0,0 +1,145 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + + +#ifndef SPU_COLORPACK_H +#define SPU_COLORPACK_H + + +#include <transpose_matrix4x4.h> +#include <spu_intrinsics.h> + + +static INLINE unsigned int +spu_pack_R8G8B8A8(vector float rgba) +{ + vector unsigned int out = spu_convtu(rgba, 32); + + out = spu_shuffle(out, out, ((vector unsigned char) { + 0, 4, 8, 12, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0 }) ); + + return spu_extract(out, 0); +} + + +static INLINE unsigned int +spu_pack_A8R8G8B8(vector float rgba) +{ + vector unsigned int out = spu_convtu(rgba, 32); + out = spu_shuffle(out, out, ((vector unsigned char) { + 12, 0, 4, 8, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0}) ); + return spu_extract(out, 0); +} + + +static INLINE unsigned int +spu_pack_B8G8R8A8(vector float rgba) +{ + vector unsigned int out = spu_convtu(rgba, 32); + out = spu_shuffle(out, out, ((vector unsigned char) { + 8, 4, 0, 12, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0}) ); + return spu_extract(out, 0); +} + + +static INLINE unsigned int +spu_pack_color_shuffle(vector float rgba, vector unsigned char shuffle) +{ + vector unsigned int out = spu_convtu(rgba, 32); + out = spu_shuffle(out, out, shuffle); + return spu_extract(out, 0); +} + + +static INLINE vector float +spu_unpack_B8G8R8A8(uint color) +{ + vector unsigned int color_u4 = spu_splats(color); + color_u4 = spu_shuffle(color_u4, color_u4, + ((vector unsigned char) { + 2, 2, 2, 2, + 1, 1, 1, 1, + 0, 0, 0, 0, + 3, 3, 3, 3}) ); + return spu_convtf(color_u4, 32); +} + + +static INLINE vector float +spu_unpack_A8R8G8B8(uint color) +{ + vector unsigned int color_u4 = spu_splats(color); + color_u4 = spu_shuffle(color_u4, color_u4, + ((vector unsigned char) { + 1, 1, 1, 1, + 2, 2, 2, 2, + 3, 3, 3, 3, + 0, 0, 0, 0}) ); + return spu_convtf(color_u4, 32); +} + + +/** + * \param color_in - array of 32-bit packed ARGB colors + * \param color_out - returns float colors in RRRR, GGGG, BBBB, AAAA order + */ +static INLINE void +spu_unpack_A8R8G8B8_transpose4(const vector unsigned int color_in[4], + vector float color_out[4]) +{ + vector unsigned int c0; + + c0 = spu_shuffle(color_in[0], color_in[0], + ((vector unsigned char) { + 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 0, 0, 0, 0}) ); + color_out[0] = spu_convtf(c0, 32); + + c0 = spu_shuffle(color_in[1], color_in[1], + ((vector unsigned char) { + 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 0, 0, 0, 0}) ); + color_out[1] = spu_convtf(c0, 32); + + c0 = spu_shuffle(color_in[2], color_in[2], + ((vector unsigned char) { + 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 0, 0, 0, 0}) ); + color_out[2] = spu_convtf(c0, 32); + + c0 = spu_shuffle(color_in[3], color_in[3], + ((vector unsigned char) { + 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 0, 0, 0, 0}) ); + color_out[3] = spu_convtf(c0, 32); + + _transpose_matrix4x4(color_out, color_out); +} + + + +#endif /* SPU_COLORPACK_H */ diff --git a/src/gallium/drivers/cell/spu/spu_command.c b/src/gallium/drivers/cell/spu/spu_command.c new file mode 100644 index 00000000000..5c0179d9546 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_command.c @@ -0,0 +1,815 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * SPU command processing code + */ + + +#include <stdio.h> +#include <libmisc.h> + +#include "pipe/p_defines.h" + +#include "spu_command.h" +#include "spu_main.h" +#include "spu_render.h" +#include "spu_per_fragment_op.h" +#include "spu_texture.h" +#include "spu_tile.h" +#include "spu_vertex_shader.h" +#include "spu_dcache.h" +#include "cell/common.h" + + +struct spu_vs_context draw; + + +/** + * Buffers containing dynamically generated SPU code: + */ +static unsigned char attribute_fetch_code_buffer[136 * PIPE_MAX_ATTRIBS] + ALIGN16_ATTRIB; + + + +static INLINE int +align(int value, int alignment) +{ + return (value + alignment - 1) & ~(alignment - 1); +} + + + +/** + * Tell the PPU that this SPU has finished copying a buffer to + * local store and that it may be reused by the PPU. + * This is done by writting a 16-byte batch-buffer-status block back into + * main memory (in cell_context->buffer_status[]). + */ +static void +release_buffer(uint buffer) +{ + /* Evidently, using less than a 16-byte status doesn't work reliably */ + static const vector unsigned int status = {CELL_BUFFER_STATUS_FREE, + CELL_BUFFER_STATUS_FREE, + CELL_BUFFER_STATUS_FREE, + CELL_BUFFER_STATUS_FREE}; + const uint index = 4 * (spu.init.id * CELL_NUM_BUFFERS + buffer); + uint *dst = spu.init.buffer_status + index; + + ASSERT(buffer < CELL_NUM_BUFFERS); + + mfc_put((void *) &status, /* src in local memory */ + (unsigned int) dst, /* dst in main memory */ + sizeof(status), /* size */ + TAG_MISC, /* tag is unimportant */ + 0, /* tid */ + 0 /* rid */); +} + + +/** + * Write CELL_FENCE_SIGNALLED back to the fence status qword in main memory. + * There's a qword of status per SPU. + */ +static void +cmd_fence(struct cell_command_fence *fence_cmd) +{ + static const vector unsigned int status = {CELL_FENCE_SIGNALLED, + CELL_FENCE_SIGNALLED, + CELL_FENCE_SIGNALLED, + CELL_FENCE_SIGNALLED}; + uint *dst = (uint *) fence_cmd->fence; + dst += 4 * spu.init.id; /* main store/memory address, not local store */ + ASSERT_ALIGN16(dst); + mfc_put((void *) &status, /* src in local memory */ + (unsigned int) dst, /* dst in main memory */ + sizeof(status), /* size */ + TAG_FENCE, /* tag */ + 0, /* tid */ + 0 /* rid */); +} + + +static void +cmd_clear_surface(const struct cell_command_clear_surface *clear) +{ + D_PRINTF(CELL_DEBUG_CMD, "CLEAR SURF %u to 0x%08x\n", clear->surface, clear->value); + + if (clear->surface == 0) { + spu.fb.color_clear_value = clear->value; + if (spu.init.debug_flags & CELL_DEBUG_CHECKER) { + uint x = (spu.init.id << 4) | (spu.init.id << 12) | + (spu.init.id << 20) | (spu.init.id << 28); + spu.fb.color_clear_value ^= x; + } + } + else { + spu.fb.depth_clear_value = clear->value; + } + +#define CLEAR_OPT 1 +#if CLEAR_OPT + + /* Simply set all tiles' status to CLEAR. + * When we actually begin rendering into a tile, we'll initialize it to + * the clear value. If any tiles go untouched during the frame, + * really_clear_tiles() will set them to the clear value. + */ + if (clear->surface == 0) { + memset(spu.ctile_status, TILE_STATUS_CLEAR, sizeof(spu.ctile_status)); + } + else { + memset(spu.ztile_status, TILE_STATUS_CLEAR, sizeof(spu.ztile_status)); + } + +#else + + /* + * This path clears the whole framebuffer to the clear color right now. + */ + + /* + printf("SPU: %s num=%d w=%d h=%d\n", + __FUNCTION__, num_tiles, spu.fb.width_tiles, spu.fb.height_tiles); + */ + + /* init a single tile to the clear value */ + if (clear->surface == 0) { + clear_c_tile(&spu.ctile); + } + else { + clear_z_tile(&spu.ztile); + } + + /* walk over my tiles, writing the 'clear' tile's data */ + { + const uint num_tiles = spu.fb.width_tiles * spu.fb.height_tiles; + uint i; + for (i = spu.init.id; i < num_tiles; i += spu.init.num_spus) { + uint tx = i % spu.fb.width_tiles; + uint ty = i / spu.fb.width_tiles; + if (clear->surface == 0) + put_tile(tx, ty, &spu.ctile, TAG_SURFACE_CLEAR, 0); + else + put_tile(tx, ty, &spu.ztile, TAG_SURFACE_CLEAR, 1); + } + } + + if (spu.init.debug_flags & CELL_DEBUG_SYNC) { + wait_on_mask(1 << TAG_SURFACE_CLEAR); + } + +#endif /* CLEAR_OPT */ + + D_PRINTF(CELL_DEBUG_CMD, "CLEAR SURF done\n"); +} + + +static void +cmd_release_verts(const struct cell_command_release_verts *release) +{ + D_PRINTF(CELL_DEBUG_CMD, "RELEASE VERTS %u\n", release->vertex_buf); + ASSERT(release->vertex_buf != ~0U); + release_buffer(release->vertex_buf); +} + + +/** + * Process a CELL_CMD_STATE_FRAGMENT_OPS command. + * This involves installing new fragment ops SPU code. + * If this function is never called, we'll use a regular C fallback function + * for fragment processing. + */ +static void +cmd_state_fragment_ops(const struct cell_command_fragment_ops *fops) +{ + D_PRINTF(CELL_DEBUG_CMD, "CMD_STATE_FRAGMENT_OPS\n"); + + /* Copy state info (for fallback case only - this will eventually + * go away when the fallback case goes away) + */ + memcpy(&spu.depth_stencil_alpha, &fops->dsa, sizeof(fops->dsa)); + memcpy(&spu.blend, &fops->blend, sizeof(fops->blend)); + memcpy(&spu.blend_color, &fops->blend_color, sizeof(fops->blend_color)); + + /* Make sure the SPU knows which buffers it's expected to read when + * it's told to pull tiles. + */ + spu.read_depth_stencil = (spu.depth_stencil_alpha.depth.enabled || spu.depth_stencil_alpha.stencil[0].enabled); + + /* If we're forcing the fallback code to be used (for debug purposes), + * install that. Otherwise install the incoming SPU code. + */ + if ((spu.init.debug_flags & CELL_DEBUG_FRAGMENT_OP_FALLBACK) != 0) { + static unsigned int warned = 0; + if (!warned) { + fprintf(stderr, "Cell Warning: using fallback per-fragment code\n"); + warned = 1; + } + /* The following two lines aren't really necessary if you + * know the debug flags won't change during a run, and if you + * know that the function pointers are initialized correctly. + * We set them here to allow a person to change the debug + * flags during a run (from inside a debugger). + */ + spu.fragment_ops[CELL_FACING_FRONT] = spu_fallback_fragment_ops; + spu.fragment_ops[CELL_FACING_BACK] = spu_fallback_fragment_ops; + return; + } + + /* Make sure the SPU code buffer is large enough to hold the incoming code. + * Note that we *don't* use align_malloc() and align_free(), because + * those utility functions are *not* available in SPU code. + * */ + if (spu.fragment_ops_code_size < fops->total_code_size) { + if (spu.fragment_ops_code != NULL) { + free(spu.fragment_ops_code); + } + spu.fragment_ops_code_size = fops->total_code_size; + spu.fragment_ops_code = malloc(fops->total_code_size); + if (spu.fragment_ops_code == NULL) { + /* Whoops. */ + fprintf(stderr, "CELL Warning: failed to allocate fragment ops code (%d bytes) - using fallback\n", fops->total_code_size); + spu.fragment_ops_code = NULL; + spu.fragment_ops_code_size = 0; + spu.fragment_ops[CELL_FACING_FRONT] = spu_fallback_fragment_ops; + spu.fragment_ops[CELL_FACING_BACK] = spu_fallback_fragment_ops; + return; + } + } + + /* Copy the SPU code from the command buffer to the spu buffer */ + memcpy(spu.fragment_ops_code, fops->code, fops->total_code_size); + + /* Set the pointers for the front-facing and back-facing fragments + * to the specified offsets within the code. Note that if the + * front-facing and back-facing code are the same, they'll have + * the same offset. + */ + spu.fragment_ops[CELL_FACING_FRONT] = (spu_fragment_ops_func) &spu.fragment_ops_code[fops->front_code_index]; + spu.fragment_ops[CELL_FACING_BACK] = (spu_fragment_ops_func) &spu.fragment_ops_code[fops->back_code_index]; +} + +static void +cmd_state_fragment_program(const struct cell_command_fragment_program *fp) +{ + D_PRINTF(CELL_DEBUG_CMD, "CMD_STATE_FRAGMENT_PROGRAM\n"); + /* Copy SPU code from batch buffer to spu buffer */ + memcpy(spu.fragment_program_code, fp->code, + SPU_MAX_FRAGMENT_PROGRAM_INSTS * 4); +#if 01 + /* Point function pointer at new code */ + spu.fragment_program = (spu_fragment_program_func)spu.fragment_program_code; +#endif +} + + +static uint +cmd_state_fs_constants(const qword *buffer, uint pos) +{ + const uint num_const = spu_extract((vector unsigned int)buffer[pos+1], 0); + const float *constants = (const float *) &buffer[pos+2]; + uint i; + + D_PRINTF(CELL_DEBUG_CMD, "CMD_STATE_FS_CONSTANTS (%u)\n", num_const); + + /* Expand each float to float[4] for SOA execution */ + for (i = 0; i < num_const; i++) { + D_PRINTF(CELL_DEBUG_CMD, " const[%u] = %f\n", i, constants[i]); + spu.constants[i] = spu_splats(constants[i]); + } + + /* return new buffer pos (in 16-byte words) */ + return pos + 2 + (ROUNDUP16(num_const * sizeof(float)) / 16); +} + + +static void +cmd_state_framebuffer(const struct cell_command_framebuffer *cmd) +{ + D_PRINTF(CELL_DEBUG_CMD, "FRAMEBUFFER: %d x %d at %p, cformat 0x%x zformat 0x%x\n", + cmd->width, + cmd->height, + cmd->color_start, + cmd->color_format, + cmd->depth_format); + + ASSERT_ALIGN16(cmd->color_start); + ASSERT_ALIGN16(cmd->depth_start); + + spu.fb.color_start = cmd->color_start; + spu.fb.depth_start = cmd->depth_start; + spu.fb.color_format = cmd->color_format; + spu.fb.depth_format = cmd->depth_format; + spu.fb.width = cmd->width; + spu.fb.height = cmd->height; + spu.fb.width_tiles = (spu.fb.width + TILE_SIZE - 1) / TILE_SIZE; + spu.fb.height_tiles = (spu.fb.height + TILE_SIZE - 1) / TILE_SIZE; + + switch (spu.fb.depth_format) { + case PIPE_FORMAT_Z32_UNORM: + spu.fb.zsize = 4; + spu.fb.zscale = (float) 0xffffffffu; + break; + case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_S8Z24_UNORM: + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + spu.fb.zsize = 4; + spu.fb.zscale = (float) 0x00ffffffu; + break; + case PIPE_FORMAT_Z16_UNORM: + spu.fb.zsize = 2; + spu.fb.zscale = (float) 0xffffu; + break; + default: + spu.fb.zsize = 0; + break; + } +} + + +/** + * Tex texture mask_s/t and scale_s/t fields depend on the texture size and + * sampler wrap modes. + */ +static void +update_tex_masks(struct spu_texture *texture, + const struct pipe_sampler_state *sampler) +{ + uint i; + + for (i = 0; i < CELL_MAX_TEXTURE_LEVELS; i++) { + int width = texture->level[i].width; + int height = texture->level[i].height; + + if (sampler->wrap_s == PIPE_TEX_WRAP_REPEAT) + texture->level[i].mask_s = spu_splats(width - 1); + else + texture->level[i].mask_s = spu_splats(~0); + + if (sampler->wrap_t == PIPE_TEX_WRAP_REPEAT) + texture->level[i].mask_t = spu_splats(height - 1); + else + texture->level[i].mask_t = spu_splats(~0); + + if (sampler->normalized_coords) { + texture->level[i].scale_s = spu_splats((float) width); + texture->level[i].scale_t = spu_splats((float) height); + } + else { + texture->level[i].scale_s = spu_splats(1.0f); + texture->level[i].scale_t = spu_splats(1.0f); + } + } +} + + +static void +cmd_state_sampler(const struct cell_command_sampler *sampler) +{ + uint unit = sampler->unit; + + D_PRINTF(CELL_DEBUG_CMD, "SAMPLER [%u]\n", unit); + + spu.sampler[unit] = sampler->state; + + switch (spu.sampler[unit].min_img_filter) { + case PIPE_TEX_FILTER_LINEAR: + spu.min_sample_texture_2d[unit] = sample_texture_2d_bilinear; + break; + case PIPE_TEX_FILTER_ANISO: + /* fall-through, for now */ + case PIPE_TEX_FILTER_NEAREST: + spu.min_sample_texture_2d[unit] = sample_texture_2d_nearest; + break; + default: + ASSERT(0); + } + + switch (spu.sampler[sampler->unit].mag_img_filter) { + case PIPE_TEX_FILTER_LINEAR: + spu.mag_sample_texture_2d[unit] = sample_texture_2d_bilinear; + break; + case PIPE_TEX_FILTER_ANISO: + /* fall-through, for now */ + case PIPE_TEX_FILTER_NEAREST: + spu.mag_sample_texture_2d[unit] = sample_texture_2d_nearest; + break; + default: + ASSERT(0); + } + + switch (spu.sampler[sampler->unit].min_mip_filter) { + case PIPE_TEX_MIPFILTER_NEAREST: + case PIPE_TEX_MIPFILTER_LINEAR: + spu.sample_texture_2d[unit] = sample_texture_2d_lod; + break; + case PIPE_TEX_MIPFILTER_NONE: + spu.sample_texture_2d[unit] = spu.mag_sample_texture_2d[unit]; + break; + default: + ASSERT(0); + } + + update_tex_masks(&spu.texture[unit], &spu.sampler[unit]); +} + + +static void +cmd_state_texture(const struct cell_command_texture *texture) +{ + const uint unit = texture->unit; + uint i; + + D_PRINTF(CELL_DEBUG_CMD, "TEXTURE [%u]\n", texture->unit); + + spu.texture[unit].max_level = 0; + spu.texture[unit].target = texture->target; + + for (i = 0; i < CELL_MAX_TEXTURE_LEVELS; i++) { + uint width = texture->width[i]; + uint height = texture->height[i]; + uint depth = texture->depth[i]; + + D_PRINTF(CELL_DEBUG_CMD, " LEVEL %u: at %p size[0] %u x %u\n", i, + texture->start[i], texture->width[i], texture->height[i]); + + spu.texture[unit].level[i].start = texture->start[i]; + spu.texture[unit].level[i].width = width; + spu.texture[unit].level[i].height = height; + spu.texture[unit].level[i].depth = depth; + + spu.texture[unit].level[i].tiles_per_row = + (width + TILE_SIZE - 1) / TILE_SIZE; + + spu.texture[unit].level[i].bytes_per_image = + 4 * align(width, TILE_SIZE) * align(height, TILE_SIZE) * depth; + + spu.texture[unit].level[i].max_s = spu_splats((int) width - 1); + spu.texture[unit].level[i].max_t = spu_splats((int) height - 1); + + if (texture->start[i]) + spu.texture[unit].max_level = i; + } + + update_tex_masks(&spu.texture[unit], &spu.sampler[unit]); +} + + +static void +cmd_state_vertex_info(const struct vertex_info *vinfo) +{ + D_PRINTF(CELL_DEBUG_CMD, "VERTEX_INFO num_attribs=%u\n", vinfo->num_attribs); + ASSERT(vinfo->num_attribs >= 1); + ASSERT(vinfo->num_attribs <= 8); + memcpy(&spu.vertex_info, vinfo, sizeof(*vinfo)); +} + + +static void +cmd_state_vs_array_info(const struct cell_array_info *vs_info) +{ + const unsigned attr = vs_info->attr; + + ASSERT(attr < PIPE_MAX_ATTRIBS); + draw.vertex_fetch.src_ptr[attr] = vs_info->base; + draw.vertex_fetch.pitch[attr] = vs_info->pitch; + draw.vertex_fetch.size[attr] = vs_info->size; + draw.vertex_fetch.code_offset[attr] = vs_info->function_offset; + draw.vertex_fetch.dirty = 1; +} + + +static void +cmd_state_attrib_fetch(const struct cell_attribute_fetch_code *code) +{ + mfc_get(attribute_fetch_code_buffer, + (unsigned int) code->base, /* src */ + code->size, + TAG_BATCH_BUFFER, + 0, /* tid */ + 0 /* rid */); + wait_on_mask(1 << TAG_BATCH_BUFFER); + + draw.vertex_fetch.code = attribute_fetch_code_buffer; +} + + +static void +cmd_finish(void) +{ + D_PRINTF(CELL_DEBUG_CMD, "FINISH\n"); + really_clear_tiles(0); + /* wait for all outstanding DMAs to finish */ + mfc_write_tag_mask(~0); + mfc_read_tag_status_all(); + /* send mbox message to PPU */ + spu_write_out_mbox(CELL_CMD_FINISH); +} + + +/** + * Execute a batch of commands which was sent to us by the PPU. + * See the cell_emit_state.c code to see where the commands come from. + * + * The opcode param encodes the location of the buffer and its size. + */ +static void +cmd_batch(uint opcode) +{ + const uint buf = (opcode >> 8) & 0xff; + uint size = (opcode >> 16); + qword buffer[CELL_BUFFER_SIZE / 16] ALIGN16_ATTRIB; + const unsigned usize = ROUNDUP16(size) / sizeof(buffer[0]); + uint pos; + + D_PRINTF(CELL_DEBUG_CMD, "BATCH buffer %u, len %u, from %p\n", + buf, size, spu.init.buffers[buf]); + + ASSERT((opcode & CELL_CMD_OPCODE_MASK) == CELL_CMD_BATCH); + + ASSERT_ALIGN16(spu.init.buffers[buf]); + + size = ROUNDUP16(size); + + ASSERT_ALIGN16(spu.init.buffers[buf]); + + mfc_get(buffer, /* dest */ + (unsigned int) spu.init.buffers[buf], /* src */ + size, + TAG_BATCH_BUFFER, + 0, /* tid */ + 0 /* rid */); + wait_on_mask(1 << TAG_BATCH_BUFFER); + + /* Tell PPU we're done copying the buffer to local store */ + D_PRINTF(CELL_DEBUG_CMD, "release batch buf %u\n", buf); + release_buffer(buf); + + /* + * Loop over commands in the batch buffer + */ + for (pos = 0; pos < usize; /* no incr */) { + switch (si_to_uint(buffer[pos])) { + /* + * rendering commands + */ + case CELL_CMD_CLEAR_SURFACE: + { + struct cell_command_clear_surface *clr + = (struct cell_command_clear_surface *) &buffer[pos]; + cmd_clear_surface(clr); + pos += sizeof(*clr) / 16; + } + break; + case CELL_CMD_RENDER: + { + struct cell_command_render *render + = (struct cell_command_render *) &buffer[pos]; + uint pos_incr; + cmd_render(render, &pos_incr); + pos += ((pos_incr+1)&~1) / 2; // should 'fix' cmd_render return + } + break; + /* + * state-update commands + */ + case CELL_CMD_STATE_FRAMEBUFFER: + { + struct cell_command_framebuffer *fb + = (struct cell_command_framebuffer *) &buffer[pos]; + cmd_state_framebuffer(fb); + pos += sizeof(*fb) / 16; + } + break; + case CELL_CMD_STATE_FRAGMENT_OPS: + { + struct cell_command_fragment_ops *fops + = (struct cell_command_fragment_ops *) &buffer[pos]; + cmd_state_fragment_ops(fops); + /* This is a variant-sized command */ + pos += ROUNDUP16(sizeof(*fops) + fops->total_code_size) / 16; + } + break; + case CELL_CMD_STATE_FRAGMENT_PROGRAM: + { + struct cell_command_fragment_program *fp + = (struct cell_command_fragment_program *) &buffer[pos]; + cmd_state_fragment_program(fp); + pos += sizeof(*fp) / 16; + } + break; + case CELL_CMD_STATE_FS_CONSTANTS: + pos = cmd_state_fs_constants(buffer, pos); + break; + case CELL_CMD_STATE_RASTERIZER: + { + struct cell_command_rasterizer *rast = + (struct cell_command_rasterizer *) &buffer[pos]; + spu.rasterizer = rast->rasterizer; + pos += sizeof(*rast) / 16; + } + break; + case CELL_CMD_STATE_SAMPLER: + { + struct cell_command_sampler *sampler + = (struct cell_command_sampler *) &buffer[pos]; + cmd_state_sampler(sampler); + pos += sizeof(*sampler) / 16; + } + break; + case CELL_CMD_STATE_TEXTURE: + { + struct cell_command_texture *texture + = (struct cell_command_texture *) &buffer[pos]; + cmd_state_texture(texture); + pos += sizeof(*texture) / 16; + } + break; + case CELL_CMD_STATE_VERTEX_INFO: + cmd_state_vertex_info((struct vertex_info *) &buffer[pos+1]); + pos += 1 + ROUNDUP16(sizeof(struct vertex_info)) / 16; + break; + case CELL_CMD_STATE_VIEWPORT: + (void) memcpy(& draw.viewport, &buffer[pos+1], + sizeof(struct pipe_viewport_state)); + pos += 1 + ROUNDUP16(sizeof(struct pipe_viewport_state)) / 16; + break; + case CELL_CMD_STATE_UNIFORMS: + draw.constants = (const float (*)[4]) (uintptr_t)spu_extract((vector unsigned int)buffer[pos+1],0); + pos += 2; + break; + case CELL_CMD_STATE_VS_ARRAY_INFO: + cmd_state_vs_array_info((struct cell_array_info *) &buffer[pos+1]); + pos += 1 + ROUNDUP16(sizeof(struct cell_array_info)) / 16; + break; + case CELL_CMD_STATE_BIND_VS: +#if 0 + spu_bind_vertex_shader(&draw, + (struct cell_shader_info *) &buffer[pos+1]); +#endif + pos += 1 + ROUNDUP16(sizeof(struct cell_shader_info)) / 16; + break; + case CELL_CMD_STATE_ATTRIB_FETCH: + cmd_state_attrib_fetch((struct cell_attribute_fetch_code *) + &buffer[pos+1]); + pos += 1 + ROUNDUP16(sizeof(struct cell_attribute_fetch_code)) / 16; + break; + /* + * misc commands + */ + case CELL_CMD_FINISH: + cmd_finish(); + pos += 1; + break; + case CELL_CMD_FENCE: + { + struct cell_command_fence *fence_cmd = + (struct cell_command_fence *) &buffer[pos]; + cmd_fence(fence_cmd); + pos += sizeof(*fence_cmd) / 16; + } + break; + case CELL_CMD_RELEASE_VERTS: + { + struct cell_command_release_verts *release + = (struct cell_command_release_verts *) &buffer[pos]; + cmd_release_verts(release); + pos += sizeof(*release) / 16; + } + break; + case CELL_CMD_FLUSH_BUFFER_RANGE: { + struct cell_buffer_range *br = (struct cell_buffer_range *) + &buffer[pos+1]; + + spu_dcache_mark_dirty((unsigned) br->base, br->size); + pos += 1 + ROUNDUP16(sizeof(struct cell_buffer_range)) / 16; + break; + } + default: + printf("SPU %u: bad opcode: 0x%x\n", spu.init.id, si_to_uint(buffer[pos])); + ASSERT(0); + break; + } + } + + D_PRINTF(CELL_DEBUG_CMD, "BATCH complete\n"); +} + + +#define PERF 0 + + +/** + * Main loop for SPEs: Get a command, execute it, repeat. + */ +void +command_loop(void) +{ + int exitFlag = 0; + uint t0, t1; + + D_PRINTF(CELL_DEBUG_CMD, "Enter command loop\n"); + + while (!exitFlag) { + unsigned opcode; + + D_PRINTF(CELL_DEBUG_CMD, "Wait for cmd...\n"); + + if (PERF) + spu_write_decrementer(~0); + + /* read/wait from mailbox */ + opcode = (unsigned int) spu_read_in_mbox(); + D_PRINTF(CELL_DEBUG_CMD, "got cmd 0x%x\n", opcode); + + if (PERF) + t0 = spu_read_decrementer(); + + switch (opcode & CELL_CMD_OPCODE_MASK) { + case CELL_CMD_EXIT: + D_PRINTF(CELL_DEBUG_CMD, "EXIT\n"); + exitFlag = 1; + break; + case CELL_CMD_VS_EXECUTE: +#if 0 + spu_execute_vertex_shader(&draw, &cmd.vs); +#endif + break; + case CELL_CMD_BATCH: + cmd_batch(opcode); + break; + default: + printf("Bad opcode 0x%x!\n", opcode & CELL_CMD_OPCODE_MASK); + } + + if (PERF) { + t1 = spu_read_decrementer(); + printf("wait mbox time: %gms batch time: %gms\n", + (~0u - t0) * spu.init.inv_timebase, + (t0 - t1) * spu.init.inv_timebase); + } + } + + D_PRINTF(CELL_DEBUG_CMD, "Exit command loop\n"); + + if (spu.init.debug_flags & CELL_DEBUG_CACHE) + spu_dcache_report(); +} + +/* Initialize this module; we manage the fragment ops buffer here. */ +void +spu_command_init(void) +{ + /* Install default/fallback fragment processing function. + * This will normally be overriden by a code-gen'd function + * unless CELL_FORCE_FRAGMENT_OPS_FALLBACK is set. + */ + spu.fragment_ops[CELL_FACING_FRONT] = spu_fallback_fragment_ops; + spu.fragment_ops[CELL_FACING_BACK] = spu_fallback_fragment_ops; + + /* Set up the basic empty buffer for code-gen'ed fragment ops */ + spu.fragment_ops_code = NULL; + spu.fragment_ops_code_size = 0; +} + +void +spu_command_close(void) +{ + /* Deallocate the code-gen buffer for fragment ops, and reset the + * fragment ops functions to their initial setting (just to leave + * things in a good state). + */ + if (spu.fragment_ops_code != NULL) { + free(spu.fragment_ops_code); + } + spu_command_init(); +} diff --git a/src/gallium/drivers/cell/spu/spu_command.h b/src/gallium/drivers/cell/spu/spu_command.h new file mode 100644 index 00000000000..83dcdade288 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_command.h @@ -0,0 +1,35 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +extern void +command_loop(void); + +extern void +spu_command_init(void); + +extern void +spu_command_close(void); diff --git a/src/gallium/drivers/cell/spu/spu_dcache.c b/src/gallium/drivers/cell/spu/spu_dcache.c new file mode 100644 index 00000000000..a6d67634fd8 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_dcache.c @@ -0,0 +1,145 @@ +/* + * (C) Copyright IBM Corporation 2008 + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#include "cell/common.h" +#include "spu_main.h" +#include "spu_dcache.h" + +#define CACHELINE_LOG2SIZE 7 +#define LINE_SIZE (1U << 7) +#define ALIGN_MASK (~(LINE_SIZE - 1)) + +#define CACHE_NAME data +#define CACHED_TYPE qword +#define CACHE_TYPE CACHE_TYPE_RO +#define CACHE_SET_TAGID(set) (((set) & 0x03) + TAG_DCACHE0) +#define CACHE_LOG2NNWAY 2 +#define CACHE_LOG2NSETS 6 +#ifdef DEBUG +#define CACHE_STATS 1 +#endif +#include <cache-api.h> + +/* Yes folks, this is ugly. + */ +#undef CACHE_NWAY +#undef CACHE_NSETS +#define CACHE_NAME data +#define CACHE_NWAY 4 +#define CACHE_NSETS (1U << 6) + + +/** + * Fetch between arbitrary number of bytes from an unaligned address + * + * \param dst Destination data buffer + * \param ea Main memory effective address of source data + * \param size Number of bytes to read + * + * \warning + * As is hinted by the type of the \c dst pointer, this function writes + * multiples of 16-bytes. + */ +void +spu_dcache_fetch_unaligned(qword *dst, unsigned ea, unsigned size) +{ + const int shift = ea & 0x0f; + const unsigned read_size = ROUNDUP16(size + shift); + const unsigned last_read = ROUNDUP16(ea + size); + const qword *const last_write = dst + (ROUNDUP16(size) / 16); + unsigned i; + + + if (shift == 0) { + /* Data is already aligned. Fetch directly into the destination buffer. + */ + for (i = 0; i < size; i += 16) { + *(dst++) = cache_rd(data, ea + i); + } + } else { + qword hi; + + + /* Please exercise extreme caution when modifying this code. This code + * must not read past the end of the page containing the source data, + * and it must not write more than ((size + 15) / 16) qwords to the + * destination buffer. + */ + ea &= ~0x0f; + hi = cache_rd(data, ea); + for (i = 16; i < read_size; i += 16) { + qword lo = cache_rd(data, ea + i); + + *(dst++) = si_or((qword) spu_slqwbyte(hi, shift), + (qword) spu_rlmaskqwbyte(lo, shift - 16)); + hi = lo; + } + + if (dst != last_write) { + *(dst++) = si_or((qword) spu_slqwbyte(hi, shift), si_il(0)); + } + } + + ASSERT((ea + i) == last_read); + ASSERT(dst == last_write); +} + + +/** + * Notify the cache that a range of main memory may have been modified + */ +void +spu_dcache_mark_dirty(unsigned ea, unsigned size) +{ + unsigned i; + const unsigned aligned_start = (ea & ALIGN_MASK); + const unsigned aligned_end = (ea + size + (LINE_SIZE - 1)) + & ALIGN_MASK; + + + for (i = 0; i < (CACHE_NWAY * CACHE_NSETS); i++) { + const unsigned entry = __cache_dir[i]; + const unsigned addr = entry & ~0x0f; + + __cache_dir[i] = ((addr >= aligned_start) && (addr < aligned_end)) + ? (entry & ~CACHELINE_VALID) : entry; + } +} + + +/** + * Print cache utilization report + */ +void +spu_dcache_report(void) +{ +#ifdef CACHE_STATS + if (spu.init.id == 0) { + printf("SPU 0: Texture cache report:\n"); + cache_pr_stats(data); + } +#endif +} + + diff --git a/src/gallium/drivers/cell/spu/spu_dcache.h b/src/gallium/drivers/cell/spu/spu_dcache.h new file mode 100644 index 00000000000..39a19eb31b5 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_dcache.h @@ -0,0 +1,37 @@ +/* + * (C) Copyright IBM Corporation 2008 + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef SPU_DCACHE_H +#define SPU_DCACHE_H + +extern void +spu_dcache_fetch_unaligned(qword *dst, unsigned ea, unsigned size); + +extern void +spu_dcache_mark_dirty(unsigned ea, unsigned size); + +extern void +spu_dcache_report(void); + +#endif /* SPU_DCACHE_H */ diff --git a/src/gallium/drivers/cell/spu/spu_exec.c b/src/gallium/drivers/cell/spu/spu_exec.c new file mode 100644 index 00000000000..e27df2dfb38 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_exec.c @@ -0,0 +1,1933 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * TGSI interpretor/executor. + * + * Flow control information: + * + * Since we operate on 'quads' (4 pixels or 4 vertices in parallel) + * flow control statements (IF/ELSE/ENDIF, LOOP/ENDLOOP) require special + * care since a condition may be true for some quad components but false + * for other components. + * + * We basically execute all statements (even if they're in the part of + * an IF/ELSE clause that's "not taken") and use a special mask to + * control writing to destination registers. This is the ExecMask. + * See store_dest(). + * + * The ExecMask is computed from three other masks (CondMask, LoopMask and + * ContMask) which are controlled by the flow control instructions (namely: + * (IF/ELSE/ENDIF, LOOP/ENDLOOP and CONT). + * + * + * Authors: + * Michal Krol + * Brian Paul + */ + +#include <transpose_matrix4x4.h> +#include <simdmath/ceilf4.h> +#include <simdmath/cosf4.h> +#include <simdmath/divf4.h> +#include <simdmath/floorf4.h> +#include <simdmath/log2f4.h> +#include <simdmath/powf4.h> +#include <simdmath/sinf4.h> +#include <simdmath/sqrtf4.h> +#include <simdmath/truncf4.h> + +#include "pipe/p_compiler.h" +#include "pipe/p_state.h" +#include "pipe/p_shader_tokens.h" +#include "tgsi/tgsi_parse.h" +#include "tgsi/tgsi_util.h" +#include "spu_exec.h" +#include "spu_main.h" +#include "spu_vertex_shader.h" +#include "spu_dcache.h" +#include "cell/common.h" + +#define TILE_TOP_LEFT 0 +#define TILE_TOP_RIGHT 1 +#define TILE_BOTTOM_LEFT 2 +#define TILE_BOTTOM_RIGHT 3 + +/* + * Shorthand locations of various utility registers (_I = Index, _C = Channel) + */ +#define TEMP_0_I TGSI_EXEC_TEMP_00000000_I +#define TEMP_0_C TGSI_EXEC_TEMP_00000000_C +#define TEMP_7F_I TGSI_EXEC_TEMP_7FFFFFFF_I +#define TEMP_7F_C TGSI_EXEC_TEMP_7FFFFFFF_C +#define TEMP_80_I TGSI_EXEC_TEMP_80000000_I +#define TEMP_80_C TGSI_EXEC_TEMP_80000000_C +#define TEMP_FF_I TGSI_EXEC_TEMP_FFFFFFFF_I +#define TEMP_FF_C TGSI_EXEC_TEMP_FFFFFFFF_C +#define TEMP_1_I TGSI_EXEC_TEMP_ONE_I +#define TEMP_1_C TGSI_EXEC_TEMP_ONE_C +#define TEMP_2_I TGSI_EXEC_TEMP_TWO_I +#define TEMP_2_C TGSI_EXEC_TEMP_TWO_C +#define TEMP_128_I TGSI_EXEC_TEMP_128_I +#define TEMP_128_C TGSI_EXEC_TEMP_128_C +#define TEMP_M128_I TGSI_EXEC_TEMP_MINUS_128_I +#define TEMP_M128_C TGSI_EXEC_TEMP_MINUS_128_C +#define TEMP_KILMASK_I TGSI_EXEC_TEMP_KILMASK_I +#define TEMP_KILMASK_C TGSI_EXEC_TEMP_KILMASK_C +#define TEMP_OUTPUT_I TGSI_EXEC_TEMP_OUTPUT_I +#define TEMP_OUTPUT_C TGSI_EXEC_TEMP_OUTPUT_C +#define TEMP_PRIMITIVE_I TGSI_EXEC_TEMP_PRIMITIVE_I +#define TEMP_PRIMITIVE_C TGSI_EXEC_TEMP_PRIMITIVE_C +#define TEMP_R0 TGSI_EXEC_TEMP_R0 + +#define FOR_EACH_CHANNEL(CHAN)\ + for (CHAN = 0; CHAN < 4; CHAN++) + +#define IS_CHANNEL_ENABLED(INST, CHAN)\ + ((INST).FullDstRegisters[0].DstRegister.WriteMask & (1 << (CHAN))) + +#define IS_CHANNEL_ENABLED2(INST, CHAN)\ + ((INST).FullDstRegisters[1].DstRegister.WriteMask & (1 << (CHAN))) + +#define FOR_EACH_ENABLED_CHANNEL(INST, CHAN)\ + FOR_EACH_CHANNEL( CHAN )\ + if (IS_CHANNEL_ENABLED( INST, CHAN )) + +#define FOR_EACH_ENABLED_CHANNEL2(INST, CHAN)\ + FOR_EACH_CHANNEL( CHAN )\ + if (IS_CHANNEL_ENABLED2( INST, CHAN )) + + +/** The execution mask depends on the conditional mask and the loop mask */ +#define UPDATE_EXEC_MASK(MACH) \ + MACH->ExecMask = MACH->CondMask & MACH->LoopMask & MACH->ContMask & MACH->FuncMask + + +#define CHAN_X 0 +#define CHAN_Y 1 +#define CHAN_Z 2 +#define CHAN_W 3 + + + +/** + * Initialize machine state by expanding tokens to full instructions, + * allocating temporary storage, setting up constants, etc. + * After this, we can call spu_exec_machine_run() many times. + */ +void +spu_exec_machine_init(struct spu_exec_machine *mach, + uint numSamplers, + struct spu_sampler *samplers, + unsigned processor) +{ + const qword zero = si_il(0); + const qword not_zero = si_il(~0); + + (void) numSamplers; + mach->Samplers = samplers; + mach->Processor = processor; + mach->Addrs = &mach->Temps[TGSI_EXEC_NUM_TEMPS]; + + /* Setup constants. */ + mach->Temps[TEMP_0_I].xyzw[TEMP_0_C].q = zero; + mach->Temps[TEMP_FF_I].xyzw[TEMP_FF_C].q = not_zero; + mach->Temps[TEMP_7F_I].xyzw[TEMP_7F_C].q = si_shli(not_zero, -1); + mach->Temps[TEMP_80_I].xyzw[TEMP_80_C].q = si_shli(not_zero, 31); + + mach->Temps[TEMP_1_I].xyzw[TEMP_1_C].q = (qword) spu_splats(1.0f); + mach->Temps[TEMP_2_I].xyzw[TEMP_2_C].q = (qword) spu_splats(2.0f); + mach->Temps[TEMP_128_I].xyzw[TEMP_128_C].q = (qword) spu_splats(128.0f); + mach->Temps[TEMP_M128_I].xyzw[TEMP_M128_C].q = (qword) spu_splats(-128.0f); +} + + +static INLINE qword +micro_abs(qword src) +{ + return si_rotmi(si_shli(src, 1), -1); +} + +static INLINE qword +micro_ceil(qword src) +{ + return (qword) _ceilf4((vec_float4) src); +} + +static INLINE qword +micro_cos(qword src) +{ + return (qword) _cosf4((vec_float4) src); +} + +static const qword br_shuf = { + TILE_BOTTOM_RIGHT + 0, TILE_BOTTOM_RIGHT + 1, + TILE_BOTTOM_RIGHT + 2, TILE_BOTTOM_RIGHT + 3, + TILE_BOTTOM_RIGHT + 0, TILE_BOTTOM_RIGHT + 1, + TILE_BOTTOM_RIGHT + 2, TILE_BOTTOM_RIGHT + 3, + TILE_BOTTOM_RIGHT + 0, TILE_BOTTOM_RIGHT + 1, + TILE_BOTTOM_RIGHT + 2, TILE_BOTTOM_RIGHT + 3, + TILE_BOTTOM_RIGHT + 0, TILE_BOTTOM_RIGHT + 1, + TILE_BOTTOM_RIGHT + 2, TILE_BOTTOM_RIGHT + 3, +}; + +static const qword bl_shuf = { + TILE_BOTTOM_LEFT + 0, TILE_BOTTOM_LEFT + 1, + TILE_BOTTOM_LEFT + 2, TILE_BOTTOM_LEFT + 3, + TILE_BOTTOM_LEFT + 0, TILE_BOTTOM_LEFT + 1, + TILE_BOTTOM_LEFT + 2, TILE_BOTTOM_LEFT + 3, + TILE_BOTTOM_LEFT + 0, TILE_BOTTOM_LEFT + 1, + TILE_BOTTOM_LEFT + 2, TILE_BOTTOM_LEFT + 3, + TILE_BOTTOM_LEFT + 0, TILE_BOTTOM_LEFT + 1, + TILE_BOTTOM_LEFT + 2, TILE_BOTTOM_LEFT + 3, +}; + +static const qword tl_shuf = { + TILE_TOP_LEFT + 0, TILE_TOP_LEFT + 1, + TILE_TOP_LEFT + 2, TILE_TOP_LEFT + 3, + TILE_TOP_LEFT + 0, TILE_TOP_LEFT + 1, + TILE_TOP_LEFT + 2, TILE_TOP_LEFT + 3, + TILE_TOP_LEFT + 0, TILE_TOP_LEFT + 1, + TILE_TOP_LEFT + 2, TILE_TOP_LEFT + 3, + TILE_TOP_LEFT + 0, TILE_TOP_LEFT + 1, + TILE_TOP_LEFT + 2, TILE_TOP_LEFT + 3, +}; + +static qword +micro_ddx(qword src) +{ + qword bottom_right = si_shufb(src, src, br_shuf); + qword bottom_left = si_shufb(src, src, bl_shuf); + + return si_fs(bottom_right, bottom_left); +} + +static qword +micro_ddy(qword src) +{ + qword top_left = si_shufb(src, src, tl_shuf); + qword bottom_left = si_shufb(src, src, bl_shuf); + + return si_fs(top_left, bottom_left); +} + +static INLINE qword +micro_div(qword src0, qword src1) +{ + return (qword) _divf4((vec_float4) src0, (vec_float4) src1); +} + +static qword +micro_flr(qword src) +{ + return (qword) _floorf4((vec_float4) src); +} + +static qword +micro_frc(qword src) +{ + return si_fs(src, (qword) _floorf4((vec_float4) src)); +} + +static INLINE qword +micro_ge(qword src0, qword src1) +{ + return si_or(si_fceq(src0, src1), si_fcgt(src0, src1)); +} + +static qword +micro_lg2(qword src) +{ + return (qword) _log2f4((vec_float4) src); +} + +static INLINE qword +micro_lt(qword src0, qword src1) +{ + const qword tmp = si_or(si_fceq(src0, src1), si_fcgt(src0, src1)); + + return si_xori(tmp, 0xff); +} + +static INLINE qword +micro_max(qword src0, qword src1) +{ + return si_selb(src1, src0, si_fcgt(src0, src1)); +} + +static INLINE qword +micro_min(qword src0, qword src1) +{ + return si_selb(src0, src1, si_fcgt(src0, src1)); +} + +static qword +micro_neg(qword src) +{ + return si_xor(src, (qword) spu_splats(0x80000000)); +} + +static qword +micro_set_sign(qword src) +{ + return si_or(src, (qword) spu_splats(0x80000000)); +} + +static qword +micro_pow(qword src0, qword src1) +{ + return (qword) _powf4((vec_float4) src0, (vec_float4) src1); +} + +static qword +micro_rnd(qword src) +{ + const qword half = (qword) spu_splats(0.5f); + + /* May be able to use _roundf4. There may be some difference, though. + */ + return (qword) _floorf4((vec_float4) si_fa(src, half)); +} + +static INLINE qword +micro_ishr(qword src0, qword src1) +{ + return si_rotma(src0, si_sfi(src1, 0)); +} + +static qword +micro_trunc(qword src) +{ + return (qword) _truncf4((vec_float4) src); +} + +static qword +micro_sin(qword src) +{ + return (qword) _sinf4((vec_float4) src); +} + +static INLINE qword +micro_sqrt(qword src) +{ + return (qword) _sqrtf4((vec_float4) src); +} + +static void +fetch_src_file_channel( + const struct spu_exec_machine *mach, + const uint file, + const uint swizzle, + const union spu_exec_channel *index, + union spu_exec_channel *chan ) +{ + switch( swizzle ) { + case TGSI_EXTSWIZZLE_X: + case TGSI_EXTSWIZZLE_Y: + case TGSI_EXTSWIZZLE_Z: + case TGSI_EXTSWIZZLE_W: + switch( file ) { + case TGSI_FILE_CONSTANT: { + unsigned i; + + for (i = 0; i < 4; i++) { + const float *ptr = mach->Consts[index->i[i]]; + float tmp[4]; + + spu_dcache_fetch_unaligned((qword *) tmp, + (uintptr_t)(ptr + swizzle), + sizeof(float)); + + chan->f[i] = tmp[0]; + } + break; + } + + case TGSI_FILE_INPUT: + chan->u[0] = mach->Inputs[index->i[0]].xyzw[swizzle].u[0]; + chan->u[1] = mach->Inputs[index->i[1]].xyzw[swizzle].u[1]; + chan->u[2] = mach->Inputs[index->i[2]].xyzw[swizzle].u[2]; + chan->u[3] = mach->Inputs[index->i[3]].xyzw[swizzle].u[3]; + break; + + case TGSI_FILE_TEMPORARY: + chan->u[0] = mach->Temps[index->i[0]].xyzw[swizzle].u[0]; + chan->u[1] = mach->Temps[index->i[1]].xyzw[swizzle].u[1]; + chan->u[2] = mach->Temps[index->i[2]].xyzw[swizzle].u[2]; + chan->u[3] = mach->Temps[index->i[3]].xyzw[swizzle].u[3]; + break; + + case TGSI_FILE_IMMEDIATE: + ASSERT( index->i[0] < (int) mach->ImmLimit ); + ASSERT( index->i[1] < (int) mach->ImmLimit ); + ASSERT( index->i[2] < (int) mach->ImmLimit ); + ASSERT( index->i[3] < (int) mach->ImmLimit ); + + chan->f[0] = mach->Imms[index->i[0]][swizzle]; + chan->f[1] = mach->Imms[index->i[1]][swizzle]; + chan->f[2] = mach->Imms[index->i[2]][swizzle]; + chan->f[3] = mach->Imms[index->i[3]][swizzle]; + break; + + case TGSI_FILE_ADDRESS: + chan->u[0] = mach->Addrs[index->i[0]].xyzw[swizzle].u[0]; + chan->u[1] = mach->Addrs[index->i[1]].xyzw[swizzle].u[1]; + chan->u[2] = mach->Addrs[index->i[2]].xyzw[swizzle].u[2]; + chan->u[3] = mach->Addrs[index->i[3]].xyzw[swizzle].u[3]; + break; + + case TGSI_FILE_OUTPUT: + /* vertex/fragment output vars can be read too */ + chan->u[0] = mach->Outputs[index->i[0]].xyzw[swizzle].u[0]; + chan->u[1] = mach->Outputs[index->i[1]].xyzw[swizzle].u[1]; + chan->u[2] = mach->Outputs[index->i[2]].xyzw[swizzle].u[2]; + chan->u[3] = mach->Outputs[index->i[3]].xyzw[swizzle].u[3]; + break; + + default: + ASSERT( 0 ); + } + break; + + case TGSI_EXTSWIZZLE_ZERO: + *chan = mach->Temps[TEMP_0_I].xyzw[TEMP_0_C]; + break; + + case TGSI_EXTSWIZZLE_ONE: + *chan = mach->Temps[TEMP_1_I].xyzw[TEMP_1_C]; + break; + + default: + ASSERT( 0 ); + } +} + +static void +fetch_source( + const struct spu_exec_machine *mach, + union spu_exec_channel *chan, + const struct tgsi_full_src_register *reg, + const uint chan_index ) +{ + union spu_exec_channel index; + uint swizzle; + + index.i[0] = + index.i[1] = + index.i[2] = + index.i[3] = reg->SrcRegister.Index; + + if (reg->SrcRegister.Indirect) { + union spu_exec_channel index2; + union spu_exec_channel indir_index; + + index2.i[0] = + index2.i[1] = + index2.i[2] = + index2.i[3] = reg->SrcRegisterInd.Index; + + swizzle = tgsi_util_get_src_register_swizzle(®->SrcRegisterInd, + CHAN_X); + fetch_src_file_channel( + mach, + reg->SrcRegisterInd.File, + swizzle, + &index2, + &indir_index ); + + index.q = si_a(index.q, indir_index.q); + } + + if( reg->SrcRegister.Dimension ) { + switch( reg->SrcRegister.File ) { + case TGSI_FILE_INPUT: + index.q = si_mpyi(index.q, 17); + break; + case TGSI_FILE_CONSTANT: + index.q = si_shli(index.q, 12); + break; + default: + ASSERT( 0 ); + } + + index.i[0] += reg->SrcRegisterDim.Index; + index.i[1] += reg->SrcRegisterDim.Index; + index.i[2] += reg->SrcRegisterDim.Index; + index.i[3] += reg->SrcRegisterDim.Index; + + if (reg->SrcRegisterDim.Indirect) { + union spu_exec_channel index2; + union spu_exec_channel indir_index; + + index2.i[0] = + index2.i[1] = + index2.i[2] = + index2.i[3] = reg->SrcRegisterDimInd.Index; + + swizzle = tgsi_util_get_src_register_swizzle( ®->SrcRegisterDimInd, CHAN_X ); + fetch_src_file_channel( + mach, + reg->SrcRegisterDimInd.File, + swizzle, + &index2, + &indir_index ); + + index.q = si_a(index.q, indir_index.q); + } + } + + swizzle = tgsi_util_get_full_src_register_extswizzle( reg, chan_index ); + fetch_src_file_channel( + mach, + reg->SrcRegister.File, + swizzle, + &index, + chan ); + + switch (tgsi_util_get_full_src_register_sign_mode( reg, chan_index )) { + case TGSI_UTIL_SIGN_CLEAR: + chan->q = micro_abs(chan->q); + break; + + case TGSI_UTIL_SIGN_SET: + chan->q = micro_set_sign(chan->q); + break; + + case TGSI_UTIL_SIGN_TOGGLE: + chan->q = micro_neg(chan->q); + break; + + case TGSI_UTIL_SIGN_KEEP: + break; + } + + if (reg->SrcRegisterExtMod.Complement) { + chan->q = si_fs(mach->Temps[TEMP_1_I].xyzw[TEMP_1_C].q, chan->q); + } +} + +static void +store_dest( + struct spu_exec_machine *mach, + const union spu_exec_channel *chan, + const struct tgsi_full_dst_register *reg, + const struct tgsi_full_instruction *inst, + uint chan_index ) +{ + union spu_exec_channel *dst; + + switch( reg->DstRegister.File ) { + case TGSI_FILE_NULL: + return; + + case TGSI_FILE_OUTPUT: + dst = &mach->Outputs[mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] + + reg->DstRegister.Index].xyzw[chan_index]; + break; + + case TGSI_FILE_TEMPORARY: + dst = &mach->Temps[reg->DstRegister.Index].xyzw[chan_index]; + break; + + case TGSI_FILE_ADDRESS: + dst = &mach->Addrs[reg->DstRegister.Index].xyzw[chan_index]; + break; + + default: + ASSERT( 0 ); + return; + } + + switch (inst->Instruction.Saturate) + { + case TGSI_SAT_NONE: + if (mach->ExecMask & 0x1) + dst->i[0] = chan->i[0]; + if (mach->ExecMask & 0x2) + dst->i[1] = chan->i[1]; + if (mach->ExecMask & 0x4) + dst->i[2] = chan->i[2]; + if (mach->ExecMask & 0x8) + dst->i[3] = chan->i[3]; + break; + + case TGSI_SAT_ZERO_ONE: + /* XXX need to obey ExecMask here */ + dst->q = micro_max(chan->q, mach->Temps[TEMP_0_I].xyzw[TEMP_0_C].q); + dst->q = micro_min(dst->q, mach->Temps[TEMP_1_I].xyzw[TEMP_1_C].q); + break; + + case TGSI_SAT_MINUS_PLUS_ONE: + ASSERT( 0 ); + break; + + default: + ASSERT( 0 ); + } +} + +#define FETCH(VAL,INDEX,CHAN)\ + fetch_source (mach, VAL, &inst->FullSrcRegisters[INDEX], CHAN) + +#define STORE(VAL,INDEX,CHAN)\ + store_dest (mach, VAL, &inst->FullDstRegisters[INDEX], inst, CHAN ) + + +/** + * Execute ARB-style KIL which is predicated by a src register. + * Kill fragment if any of the four values is less than zero. + */ +static void +exec_kil(struct spu_exec_machine *mach, + const struct tgsi_full_instruction *inst) +{ + uint uniquemask; + uint chan_index; + uint kilmask = 0; /* bit 0 = pixel 0, bit 1 = pixel 1, etc */ + union spu_exec_channel r[1]; + + /* This mask stores component bits that were already tested. Note that + * we test if the value is less than zero, so 1.0 and 0.0 need not to be + * tested. */ + uniquemask = (1 << TGSI_EXTSWIZZLE_ZERO) | (1 << TGSI_EXTSWIZZLE_ONE); + + for (chan_index = 0; chan_index < 4; chan_index++) + { + uint swizzle; + uint i; + + /* unswizzle channel */ + swizzle = tgsi_util_get_full_src_register_extswizzle ( + &inst->FullSrcRegisters[0], + chan_index); + + /* check if the component has not been already tested */ + if (uniquemask & (1 << swizzle)) + continue; + uniquemask |= 1 << swizzle; + + FETCH(&r[0], 0, chan_index); + for (i = 0; i < 4; i++) + if (r[0].f[i] < 0.0f) + kilmask |= 1 << i; + } + + mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask; +} + +/** + * Execute NVIDIA-style KIL which is predicated by a condition code. + * Kill fragment if the condition code is TRUE. + */ +static void +exec_kilp(struct tgsi_exec_machine *mach, + const struct tgsi_full_instruction *inst) +{ + uint kilmask = 0; /* bit 0 = pixel 0, bit 1 = pixel 1, etc */ + + /* TODO: build kilmask from CC mask */ + + mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] |= kilmask; +} + +/* + * Fetch a texel using STR texture coordinates. + */ +static void +fetch_texel( struct spu_sampler *sampler, + const union spu_exec_channel *s, + const union spu_exec_channel *t, + const union spu_exec_channel *p, + float lodbias, /* XXX should be float[4] */ + union spu_exec_channel *r, + union spu_exec_channel *g, + union spu_exec_channel *b, + union spu_exec_channel *a ) +{ + qword rgba[4]; + qword out[4]; + + sampler->get_samples(sampler, s->f, t->f, p->f, lodbias, + (float (*)[4]) rgba); + + _transpose_matrix4x4((vec_float4 *) out, (vec_float4 *) rgba); + r->q = out[0]; + g->q = out[1]; + b->q = out[2]; + a->q = out[3]; +} + + +static void +exec_tex(struct spu_exec_machine *mach, + const struct tgsi_full_instruction *inst, + boolean biasLod, boolean projected) +{ + const uint unit = inst->FullSrcRegisters[1].SrcRegister.Index; + union spu_exec_channel r[8]; + uint chan_index; + float lodBias; + + /* printf("Sampler %u unit %u\n", sampler, unit); */ + + switch (inst->InstructionExtTexture.Texture) { + case TGSI_TEXTURE_1D: + + FETCH(&r[0], 0, CHAN_X); + + if (projected) { + FETCH(&r[1], 0, CHAN_W); + r[0].q = micro_div(r[0].q, r[1].q); + } + + if (biasLod) { + FETCH(&r[1], 0, CHAN_W); + lodBias = r[2].f[0]; + } + else + lodBias = 0.0; + + fetch_texel(&mach->Samplers[unit], + &r[0], NULL, NULL, lodBias, /* S, T, P, BIAS */ + &r[0], &r[1], &r[2], &r[3]); /* R, G, B, A */ + break; + + case TGSI_TEXTURE_2D: + case TGSI_TEXTURE_RECT: + + FETCH(&r[0], 0, CHAN_X); + FETCH(&r[1], 0, CHAN_Y); + FETCH(&r[2], 0, CHAN_Z); + + if (projected) { + FETCH(&r[3], 0, CHAN_W); + r[0].q = micro_div(r[0].q, r[3].q); + r[1].q = micro_div(r[1].q, r[3].q); + r[2].q = micro_div(r[2].q, r[3].q); + } + + if (biasLod) { + FETCH(&r[3], 0, CHAN_W); + lodBias = r[3].f[0]; + } + else + lodBias = 0.0; + + fetch_texel(&mach->Samplers[unit], + &r[0], &r[1], &r[2], lodBias, /* inputs */ + &r[0], &r[1], &r[2], &r[3]); /* outputs */ + break; + + case TGSI_TEXTURE_3D: + case TGSI_TEXTURE_CUBE: + + FETCH(&r[0], 0, CHAN_X); + FETCH(&r[1], 0, CHAN_Y); + FETCH(&r[2], 0, CHAN_Z); + + if (projected) { + FETCH(&r[3], 0, CHAN_W); + r[0].q = micro_div(r[0].q, r[3].q); + r[1].q = micro_div(r[1].q, r[3].q); + r[2].q = micro_div(r[2].q, r[3].q); + } + + if (biasLod) { + FETCH(&r[3], 0, CHAN_W); + lodBias = r[3].f[0]; + } + else + lodBias = 0.0; + + fetch_texel(&mach->Samplers[unit], + &r[0], &r[1], &r[2], lodBias, + &r[0], &r[1], &r[2], &r[3]); + break; + + default: + ASSERT (0); + } + + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[chan_index], 0, chan_index ); + } +} + + + +static void +constant_interpolation( + struct spu_exec_machine *mach, + unsigned attrib, + unsigned chan ) +{ + unsigned i; + + for( i = 0; i < QUAD_SIZE; i++ ) { + mach->Inputs[attrib].xyzw[chan].f[i] = mach->InterpCoefs[attrib].a0[chan]; + } +} + +static void +linear_interpolation( + struct spu_exec_machine *mach, + unsigned attrib, + unsigned chan ) +{ + const float x = mach->QuadPos.xyzw[0].f[0]; + const float y = mach->QuadPos.xyzw[1].f[0]; + const float dadx = mach->InterpCoefs[attrib].dadx[chan]; + const float dady = mach->InterpCoefs[attrib].dady[chan]; + const float a0 = mach->InterpCoefs[attrib].a0[chan] + dadx * x + dady * y; + mach->Inputs[attrib].xyzw[chan].f[0] = a0; + mach->Inputs[attrib].xyzw[chan].f[1] = a0 + dadx; + mach->Inputs[attrib].xyzw[chan].f[2] = a0 + dady; + mach->Inputs[attrib].xyzw[chan].f[3] = a0 + dadx + dady; +} + +static void +perspective_interpolation( + struct spu_exec_machine *mach, + unsigned attrib, + unsigned chan ) +{ + const float x = mach->QuadPos.xyzw[0].f[0]; + const float y = mach->QuadPos.xyzw[1].f[0]; + const float dadx = mach->InterpCoefs[attrib].dadx[chan]; + const float dady = mach->InterpCoefs[attrib].dady[chan]; + const float a0 = mach->InterpCoefs[attrib].a0[chan] + dadx * x + dady * y; + const float *w = mach->QuadPos.xyzw[3].f; + /* divide by W here */ + mach->Inputs[attrib].xyzw[chan].f[0] = a0 / w[0]; + mach->Inputs[attrib].xyzw[chan].f[1] = (a0 + dadx) / w[1]; + mach->Inputs[attrib].xyzw[chan].f[2] = (a0 + dady) / w[2]; + mach->Inputs[attrib].xyzw[chan].f[3] = (a0 + dadx + dady) / w[3]; +} + + +typedef void (* interpolation_func)( + struct spu_exec_machine *mach, + unsigned attrib, + unsigned chan ); + +static void +exec_declaration(struct spu_exec_machine *mach, + const struct tgsi_full_declaration *decl) +{ + if( mach->Processor == TGSI_PROCESSOR_FRAGMENT ) { + if( decl->Declaration.File == TGSI_FILE_INPUT ) { + unsigned first, last, mask; + interpolation_func interp; + + first = decl->DeclarationRange.First; + last = decl->DeclarationRange.Last; + mask = decl->Declaration.UsageMask; + + switch( decl->Declaration.Interpolate ) { + case TGSI_INTERPOLATE_CONSTANT: + interp = constant_interpolation; + break; + + case TGSI_INTERPOLATE_LINEAR: + interp = linear_interpolation; + break; + + case TGSI_INTERPOLATE_PERSPECTIVE: + interp = perspective_interpolation; + break; + + default: + ASSERT( 0 ); + } + + if( mask == TGSI_WRITEMASK_XYZW ) { + unsigned i, j; + + for( i = first; i <= last; i++ ) { + for( j = 0; j < NUM_CHANNELS; j++ ) { + interp( mach, i, j ); + } + } + } + else { + unsigned i, j; + + for( j = 0; j < NUM_CHANNELS; j++ ) { + if( mask & (1 << j) ) { + for( i = first; i <= last; i++ ) { + interp( mach, i, j ); + } + } + } + } + } + } +} + +static void +exec_instruction( + struct spu_exec_machine *mach, + const struct tgsi_full_instruction *inst, + int *pc ) +{ + uint chan_index; + union spu_exec_channel r[8]; + + (*pc)++; + + switch (inst->Instruction.Opcode) { + case TGSI_OPCODE_ARL: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = si_cflts(r[0].q, 0); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_MOV: + case TGSI_OPCODE_SWZ: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_LIT: + if (IS_CHANNEL_ENABLED( *inst, CHAN_X )) { + STORE( &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_X ); + } + + if (IS_CHANNEL_ENABLED( *inst, CHAN_Y ) || IS_CHANNEL_ENABLED( *inst, CHAN_Z )) { + FETCH( &r[0], 0, CHAN_X ); + if (IS_CHANNEL_ENABLED( *inst, CHAN_Y )) { + r[0].q = micro_max(r[0].q, mach->Temps[TEMP_0_I].xyzw[TEMP_0_C].q); + STORE( &r[0], 0, CHAN_Y ); + } + + if (IS_CHANNEL_ENABLED( *inst, CHAN_Z )) { + FETCH( &r[1], 0, CHAN_Y ); + r[1].q = micro_max(r[1].q, mach->Temps[TEMP_0_I].xyzw[TEMP_0_C].q); + + FETCH( &r[2], 0, CHAN_W ); + r[2].q = micro_min(r[2].q, mach->Temps[TEMP_128_I].xyzw[TEMP_128_C].q); + r[2].q = micro_max(r[2].q, mach->Temps[TEMP_M128_I].xyzw[TEMP_M128_C].q); + r[1].q = micro_pow(r[1].q, r[2].q); + + /* r0 = (r0 > 0.0) ? r1 : 0.0 + */ + r[0].q = si_fcgt(r[0].q, mach->Temps[TEMP_0_I].xyzw[TEMP_0_C].q); + r[0].q = si_selb(mach->Temps[TEMP_0_I].xyzw[TEMP_0_C].q, r[1].q, + r[0].q); + STORE( &r[0], 0, CHAN_Z ); + } + } + + if (IS_CHANNEL_ENABLED( *inst, CHAN_W )) { + STORE( &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_W ); + } + break; + + case TGSI_OPCODE_RCP: + /* TGSI_OPCODE_RECIP */ + FETCH( &r[0], 0, CHAN_X ); + r[0].q = micro_div(mach->Temps[TEMP_1_I].xyzw[TEMP_1_C].q, r[0].q); + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_RSQ: + /* TGSI_OPCODE_RECIPSQRT */ + FETCH( &r[0], 0, CHAN_X ); + r[0].q = micro_sqrt(r[0].q); + r[0].q = micro_div(mach->Temps[TEMP_1_I].xyzw[TEMP_1_C].q, r[0].q); + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_EXP: + ASSERT (0); + break; + + case TGSI_OPCODE_LOG: + ASSERT (0); + break; + + case TGSI_OPCODE_MUL: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) + { + FETCH(&r[0], 0, chan_index); + FETCH(&r[1], 1, chan_index); + + r[0].q = si_fm(r[0].q, r[1].q); + + STORE(&r[0], 0, chan_index); + } + break; + + case TGSI_OPCODE_ADD: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + r[0].q = si_fa(r[0].q, r[1].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_DP3: + /* TGSI_OPCODE_DOT3 */ + FETCH( &r[0], 0, CHAN_X ); + FETCH( &r[1], 1, CHAN_X ); + r[0].q = si_fm(r[0].q, r[1].q); + + FETCH( &r[1], 0, CHAN_Y ); + FETCH( &r[2], 1, CHAN_Y ); + r[0].q = si_fma(r[1].q, r[2].q, r[0].q); + + + FETCH( &r[1], 0, CHAN_Z ); + FETCH( &r[2], 1, CHAN_Z ); + r[0].q = si_fma(r[1].q, r[2].q, r[0].q); + + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_DP4: + /* TGSI_OPCODE_DOT4 */ + FETCH(&r[0], 0, CHAN_X); + FETCH(&r[1], 1, CHAN_X); + + r[0].q = si_fm(r[0].q, r[1].q); + + FETCH(&r[1], 0, CHAN_Y); + FETCH(&r[2], 1, CHAN_Y); + + r[0].q = si_fma(r[1].q, r[2].q, r[0].q); + + FETCH(&r[1], 0, CHAN_Z); + FETCH(&r[2], 1, CHAN_Z); + + r[0].q = si_fma(r[1].q, r[2].q, r[0].q); + + FETCH(&r[1], 0, CHAN_W); + FETCH(&r[2], 1, CHAN_W); + + r[0].q = si_fma(r[1].q, r[2].q, r[0].q); + + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_DST: + if (IS_CHANNEL_ENABLED( *inst, CHAN_X )) { + STORE( &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_X ); + } + + if (IS_CHANNEL_ENABLED( *inst, CHAN_Y )) { + FETCH( &r[0], 0, CHAN_Y ); + FETCH( &r[1], 1, CHAN_Y); + r[0].q = si_fm(r[0].q, r[1].q); + STORE( &r[0], 0, CHAN_Y ); + } + + if (IS_CHANNEL_ENABLED( *inst, CHAN_Z )) { + FETCH( &r[0], 0, CHAN_Z ); + STORE( &r[0], 0, CHAN_Z ); + } + + if (IS_CHANNEL_ENABLED( *inst, CHAN_W )) { + FETCH( &r[0], 1, CHAN_W ); + STORE( &r[0], 0, CHAN_W ); + } + break; + + case TGSI_OPCODE_MIN: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH(&r[0], 0, chan_index); + FETCH(&r[1], 1, chan_index); + + r[0].q = micro_min(r[0].q, r[1].q); + + STORE(&r[0], 0, chan_index); + } + break; + + case TGSI_OPCODE_MAX: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH(&r[0], 0, chan_index); + FETCH(&r[1], 1, chan_index); + + r[0].q = micro_max(r[0].q, r[1].q); + + STORE(&r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SLT: + /* TGSI_OPCODE_SETLT */ + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + + r[0].q = micro_ge(r[0].q, r[1].q); + r[0].q = si_xori(r[0].q, 0xff); + + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SGE: + /* TGSI_OPCODE_SETGE */ + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + r[0].q = micro_ge(r[0].q, r[1].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_MAD: + /* TGSI_OPCODE_MADD */ + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + FETCH( &r[2], 2, chan_index ); + r[0].q = si_fma(r[0].q, r[1].q, r[2].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SUB: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH(&r[0], 0, chan_index); + FETCH(&r[1], 1, chan_index); + + r[0].q = si_fs(r[0].q, r[1].q); + + STORE(&r[0], 0, chan_index); + } + break; + + case TGSI_OPCODE_LERP: + /* TGSI_OPCODE_LRP */ + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH(&r[0], 0, chan_index); + FETCH(&r[1], 1, chan_index); + FETCH(&r[2], 2, chan_index); + + r[1].q = si_fs(r[1].q, r[2].q); + r[0].q = si_fma(r[0].q, r[1].q, r[2].q); + + STORE(&r[0], 0, chan_index); + } + break; + + case TGSI_OPCODE_CND: + ASSERT (0); + break; + + case TGSI_OPCODE_CND0: + ASSERT (0); + break; + + case TGSI_OPCODE_DOT2ADD: + /* TGSI_OPCODE_DP2A */ + ASSERT (0); + break; + + case TGSI_OPCODE_INDEX: + ASSERT (0); + break; + + case TGSI_OPCODE_NEGATE: + ASSERT (0); + break; + + case TGSI_OPCODE_FRAC: + /* TGSI_OPCODE_FRC */ + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = micro_frc(r[0].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_CLAMP: + ASSERT (0); + break; + + case TGSI_OPCODE_FLOOR: + /* TGSI_OPCODE_FLR */ + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = micro_flr(r[0].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_ROUND: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = micro_rnd(r[0].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_EXPBASE2: + /* TGSI_OPCODE_EX2 */ + FETCH(&r[0], 0, CHAN_X); + + r[0].q = micro_pow(mach->Temps[TEMP_2_I].xyzw[TEMP_2_C].q, r[0].q); + + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_LOGBASE2: + /* TGSI_OPCODE_LG2 */ + FETCH( &r[0], 0, CHAN_X ); + r[0].q = micro_lg2(r[0].q); + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_POWER: + /* TGSI_OPCODE_POW */ + FETCH(&r[0], 0, CHAN_X); + FETCH(&r[1], 1, CHAN_X); + + r[0].q = micro_pow(r[0].q, r[1].q); + + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_CROSSPRODUCT: + /* TGSI_OPCODE_XPD */ + FETCH(&r[0], 0, CHAN_Y); + FETCH(&r[1], 1, CHAN_Z); + FETCH(&r[3], 0, CHAN_Z); + FETCH(&r[4], 1, CHAN_Y); + + /* r2 = (r0 * r1) - (r3 * r5) + */ + r[2].q = si_fm(r[3].q, r[5].q); + r[2].q = si_fms(r[0].q, r[1].q, r[2].q); + + if (IS_CHANNEL_ENABLED( *inst, CHAN_X )) { + STORE( &r[2], 0, CHAN_X ); + } + + FETCH(&r[2], 1, CHAN_X); + FETCH(&r[5], 0, CHAN_X); + + /* r3 = (r3 * r2) - (r1 * r5) + */ + r[1].q = si_fm(r[1].q, r[5].q); + r[3].q = si_fms(r[3].q, r[2].q, r[1].q); + + if (IS_CHANNEL_ENABLED( *inst, CHAN_Y )) { + STORE( &r[3], 0, CHAN_Y ); + } + + /* r5 = (r5 * r4) - (r0 * r2) + */ + r[0].q = si_fm(r[0].q, r[2].q); + r[5].q = si_fms(r[5].q, r[4].q, r[0].q); + + if (IS_CHANNEL_ENABLED( *inst, CHAN_Z )) { + STORE( &r[5], 0, CHAN_Z ); + } + + if (IS_CHANNEL_ENABLED( *inst, CHAN_W )) { + STORE( &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_W ); + } + break; + + case TGSI_OPCODE_MULTIPLYMATRIX: + ASSERT (0); + break; + + case TGSI_OPCODE_ABS: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH(&r[0], 0, chan_index); + + r[0].q = micro_abs(r[0].q); + + STORE(&r[0], 0, chan_index); + } + break; + + case TGSI_OPCODE_RCC: + ASSERT (0); + break; + + case TGSI_OPCODE_DPH: + FETCH(&r[0], 0, CHAN_X); + FETCH(&r[1], 1, CHAN_X); + + r[0].q = si_fm(r[0].q, r[1].q); + + FETCH(&r[1], 0, CHAN_Y); + FETCH(&r[2], 1, CHAN_Y); + + r[0].q = si_fma(r[1].q, r[2].q, r[0].q); + + FETCH(&r[1], 0, CHAN_Z); + FETCH(&r[2], 1, CHAN_Z); + + r[0].q = si_fma(r[1].q, r[2].q, r[0].q); + + FETCH(&r[1], 1, CHAN_W); + + r[0].q = si_fa(r[0].q, r[1].q); + + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_COS: + FETCH(&r[0], 0, CHAN_X); + + r[0].q = micro_cos(r[0].q); + + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_DDX: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = micro_ddx(r[0].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_DDY: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = micro_ddy(r[0].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_KILP: + exec_kilp (mach, inst); + break; + + case TGSI_OPCODE_KIL: + exec_kil (mach, inst); + break; + + case TGSI_OPCODE_PK2H: + ASSERT (0); + break; + + case TGSI_OPCODE_PK2US: + ASSERT (0); + break; + + case TGSI_OPCODE_PK4B: + ASSERT (0); + break; + + case TGSI_OPCODE_PK4UB: + ASSERT (0); + break; + + case TGSI_OPCODE_RFL: + ASSERT (0); + break; + + case TGSI_OPCODE_SEQ: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + + r[0].q = si_fceq(r[0].q, r[1].q); + + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SFL: + ASSERT (0); + break; + + case TGSI_OPCODE_SGT: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + r[0].q = si_fcgt(r[0].q, r[1].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SIN: + FETCH( &r[0], 0, CHAN_X ); + r[0].q = micro_sin(r[0].q); + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SLE: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + + r[0].q = si_fcgt(r[0].q, r[1].q); + r[0].q = si_xori(r[0].q, 0xff); + + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SNE: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + + r[0].q = si_fceq(r[0].q, r[1].q); + r[0].q = si_xori(r[0].q, 0xff); + + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_STR: + ASSERT (0); + break; + + case TGSI_OPCODE_TEX: + /* simple texture lookup */ + /* src[0] = texcoord */ + /* src[1] = sampler unit */ + exec_tex(mach, inst, FALSE, FALSE); + break; + + case TGSI_OPCODE_TXB: + /* Texture lookup with lod bias */ + /* src[0] = texcoord (src[0].w = load bias) */ + /* src[1] = sampler unit */ + exec_tex(mach, inst, TRUE, FALSE); + break; + + case TGSI_OPCODE_TXD: + /* Texture lookup with explict partial derivatives */ + /* src[0] = texcoord */ + /* src[1] = d[strq]/dx */ + /* src[2] = d[strq]/dy */ + /* src[3] = sampler unit */ + ASSERT (0); + break; + + case TGSI_OPCODE_TXL: + /* Texture lookup with explit LOD */ + /* src[0] = texcoord (src[0].w = load bias) */ + /* src[1] = sampler unit */ + exec_tex(mach, inst, TRUE, FALSE); + break; + + case TGSI_OPCODE_TXP: + /* Texture lookup with projection */ + /* src[0] = texcoord (src[0].w = projection) */ + /* src[1] = sampler unit */ + exec_tex(mach, inst, TRUE, TRUE); + break; + + case TGSI_OPCODE_UP2H: + ASSERT (0); + break; + + case TGSI_OPCODE_UP2US: + ASSERT (0); + break; + + case TGSI_OPCODE_UP4B: + ASSERT (0); + break; + + case TGSI_OPCODE_UP4UB: + ASSERT (0); + break; + + case TGSI_OPCODE_X2D: + ASSERT (0); + break; + + case TGSI_OPCODE_ARA: + ASSERT (0); + break; + + case TGSI_OPCODE_ARR: + ASSERT (0); + break; + + case TGSI_OPCODE_BRA: + ASSERT (0); + break; + + case TGSI_OPCODE_CAL: + /* skip the call if no execution channels are enabled */ + if (mach->ExecMask) { + /* do the call */ + + /* push the Cond, Loop, Cont stacks */ + ASSERT(mach->CondStackTop < TGSI_EXEC_MAX_COND_NESTING); + mach->CondStack[mach->CondStackTop++] = mach->CondMask; + ASSERT(mach->LoopStackTop < TGSI_EXEC_MAX_LOOP_NESTING); + mach->LoopStack[mach->LoopStackTop++] = mach->LoopMask; + ASSERT(mach->ContStackTop < TGSI_EXEC_MAX_LOOP_NESTING); + mach->ContStack[mach->ContStackTop++] = mach->ContMask; + + ASSERT(mach->FuncStackTop < TGSI_EXEC_MAX_CALL_NESTING); + mach->FuncStack[mach->FuncStackTop++] = mach->FuncMask; + + /* note that PC was already incremented above */ + mach->CallStack[mach->CallStackTop++] = *pc; + *pc = inst->InstructionExtLabel.Label; + } + break; + + case TGSI_OPCODE_RET: + mach->FuncMask &= ~mach->ExecMask; + UPDATE_EXEC_MASK(mach); + + if (mach->ExecMask == 0x0) { + /* really return now (otherwise, keep executing */ + + if (mach->CallStackTop == 0) { + /* returning from main() */ + *pc = -1; + return; + } + *pc = mach->CallStack[--mach->CallStackTop]; + + /* pop the Cond, Loop, Cont stacks */ + ASSERT(mach->CondStackTop > 0); + mach->CondMask = mach->CondStack[--mach->CondStackTop]; + ASSERT(mach->LoopStackTop > 0); + mach->LoopMask = mach->LoopStack[--mach->LoopStackTop]; + ASSERT(mach->ContStackTop > 0); + mach->ContMask = mach->ContStack[--mach->ContStackTop]; + ASSERT(mach->FuncStackTop > 0); + mach->FuncMask = mach->FuncStack[--mach->FuncStackTop]; + + UPDATE_EXEC_MASK(mach); + } + break; + + case TGSI_OPCODE_SSG: + ASSERT (0); + break; + + case TGSI_OPCODE_CMP: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH(&r[0], 0, chan_index); + FETCH(&r[1], 1, chan_index); + FETCH(&r[2], 2, chan_index); + + /* r0 = (r0 < 0.0) ? r1 : r2 + */ + r[3].q = si_xor(r[3].q, r[3].q); + r[0].q = micro_lt(r[0].q, r[3].q); + r[0].q = si_selb(r[1].q, r[2].q, r[0].q); + + STORE(&r[0], 0, chan_index); + } + break; + + case TGSI_OPCODE_SCS: + if( IS_CHANNEL_ENABLED( *inst, CHAN_X ) || IS_CHANNEL_ENABLED( *inst, CHAN_Y ) ) { + FETCH( &r[0], 0, CHAN_X ); + } + if( IS_CHANNEL_ENABLED( *inst, CHAN_X ) ) { + r[1].q = micro_cos(r[0].q); + STORE( &r[1], 0, CHAN_X ); + } + if( IS_CHANNEL_ENABLED( *inst, CHAN_Y ) ) { + r[1].q = micro_sin(r[0].q); + STORE( &r[1], 0, CHAN_Y ); + } + if( IS_CHANNEL_ENABLED( *inst, CHAN_Z ) ) { + STORE( &mach->Temps[TEMP_0_I].xyzw[TEMP_0_C], 0, CHAN_Z ); + } + if( IS_CHANNEL_ENABLED( *inst, CHAN_W ) ) { + STORE( &mach->Temps[TEMP_1_I].xyzw[TEMP_1_C], 0, CHAN_W ); + } + break; + + case TGSI_OPCODE_NRM: + ASSERT (0); + break; + + case TGSI_OPCODE_DIV: + ASSERT( 0 ); + break; + + case TGSI_OPCODE_DP2: + FETCH( &r[0], 0, CHAN_X ); + FETCH( &r[1], 1, CHAN_X ); + r[0].q = si_fm(r[0].q, r[1].q); + + FETCH( &r[1], 0, CHAN_Y ); + FETCH( &r[2], 1, CHAN_Y ); + r[0].q = si_fma(r[1].q, r[2].q, r[0].q); + + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_IF: + /* push CondMask */ + ASSERT(mach->CondStackTop < TGSI_EXEC_MAX_COND_NESTING); + mach->CondStack[mach->CondStackTop++] = mach->CondMask; + FETCH( &r[0], 0, CHAN_X ); + /* update CondMask */ + if( ! r[0].u[0] ) { + mach->CondMask &= ~0x1; + } + if( ! r[0].u[1] ) { + mach->CondMask &= ~0x2; + } + if( ! r[0].u[2] ) { + mach->CondMask &= ~0x4; + } + if( ! r[0].u[3] ) { + mach->CondMask &= ~0x8; + } + UPDATE_EXEC_MASK(mach); + /* Todo: If CondMask==0, jump to ELSE */ + break; + + case TGSI_OPCODE_ELSE: + /* invert CondMask wrt previous mask */ + { + uint prevMask; + ASSERT(mach->CondStackTop > 0); + prevMask = mach->CondStack[mach->CondStackTop - 1]; + mach->CondMask = ~mach->CondMask & prevMask; + UPDATE_EXEC_MASK(mach); + /* Todo: If CondMask==0, jump to ENDIF */ + } + break; + + case TGSI_OPCODE_ENDIF: + /* pop CondMask */ + ASSERT(mach->CondStackTop > 0); + mach->CondMask = mach->CondStack[--mach->CondStackTop]; + UPDATE_EXEC_MASK(mach); + break; + + case TGSI_OPCODE_END: + /* halt execution */ + *pc = -1; + break; + + case TGSI_OPCODE_REP: + ASSERT (0); + break; + + case TGSI_OPCODE_ENDREP: + ASSERT (0); + break; + + case TGSI_OPCODE_PUSHA: + ASSERT (0); + break; + + case TGSI_OPCODE_POPA: + ASSERT (0); + break; + + case TGSI_OPCODE_CEIL: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = micro_ceil(r[0].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_I2F: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = si_csflt(r[0].q, 0); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_NOT: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = si_xorbi(r[0].q, 0xff); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_TRUNC: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + r[0].q = micro_trunc(r[0].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SHL: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + + r[0].q = si_shl(r[0].q, r[1].q); + + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SHR: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + r[0].q = micro_ishr(r[0].q, r[1].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_AND: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + r[0].q = si_and(r[0].q, r[1].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_OR: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + r[0].q = si_or(r[0].q, r[1].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_MOD: + ASSERT (0); + break; + + case TGSI_OPCODE_XOR: + FOR_EACH_ENABLED_CHANNEL( *inst, chan_index ) { + FETCH( &r[0], 0, chan_index ); + FETCH( &r[1], 1, chan_index ); + r[0].q = si_xor(r[0].q, r[1].q); + STORE( &r[0], 0, chan_index ); + } + break; + + case TGSI_OPCODE_SAD: + ASSERT (0); + break; + + case TGSI_OPCODE_TXF: + ASSERT (0); + break; + + case TGSI_OPCODE_TXQ: + ASSERT (0); + break; + + case TGSI_OPCODE_EMIT: + mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] += 16; + mach->Primitives[mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]]++; + break; + + case TGSI_OPCODE_ENDPRIM: + mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]++; + mach->Primitives[mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0]] = 0; + break; + + case TGSI_OPCODE_LOOP: + /* fall-through (for now) */ + case TGSI_OPCODE_BGNLOOP2: + /* push LoopMask and ContMasks */ + ASSERT(mach->LoopStackTop < TGSI_EXEC_MAX_LOOP_NESTING); + mach->LoopStack[mach->LoopStackTop++] = mach->LoopMask; + ASSERT(mach->ContStackTop < TGSI_EXEC_MAX_LOOP_NESTING); + mach->ContStack[mach->ContStackTop++] = mach->ContMask; + break; + + case TGSI_OPCODE_ENDLOOP: + /* fall-through (for now at least) */ + case TGSI_OPCODE_ENDLOOP2: + /* Restore ContMask, but don't pop */ + ASSERT(mach->ContStackTop > 0); + mach->ContMask = mach->ContStack[mach->ContStackTop - 1]; + if (mach->LoopMask) { + /* repeat loop: jump to instruction just past BGNLOOP */ + *pc = inst->InstructionExtLabel.Label + 1; + } + else { + /* exit loop: pop LoopMask */ + ASSERT(mach->LoopStackTop > 0); + mach->LoopMask = mach->LoopStack[--mach->LoopStackTop]; + /* pop ContMask */ + ASSERT(mach->ContStackTop > 0); + mach->ContMask = mach->ContStack[--mach->ContStackTop]; + } + UPDATE_EXEC_MASK(mach); + break; + + case TGSI_OPCODE_BRK: + /* turn off loop channels for each enabled exec channel */ + mach->LoopMask &= ~mach->ExecMask; + /* Todo: if mach->LoopMask == 0, jump to end of loop */ + UPDATE_EXEC_MASK(mach); + break; + + case TGSI_OPCODE_CONT: + /* turn off cont channels for each enabled exec channel */ + mach->ContMask &= ~mach->ExecMask; + /* Todo: if mach->LoopMask == 0, jump to end of loop */ + UPDATE_EXEC_MASK(mach); + break; + + case TGSI_OPCODE_BGNSUB: + /* no-op */ + break; + + case TGSI_OPCODE_ENDSUB: + /* no-op */ + break; + + case TGSI_OPCODE_NOISE1: + ASSERT( 0 ); + break; + + case TGSI_OPCODE_NOISE2: + ASSERT( 0 ); + break; + + case TGSI_OPCODE_NOISE3: + ASSERT( 0 ); + break; + + case TGSI_OPCODE_NOISE4: + ASSERT( 0 ); + break; + + case TGSI_OPCODE_NOP: + break; + + default: + ASSERT( 0 ); + } +} + + +/** + * Run TGSI interpreter. + * \return bitmask of "alive" quad components + */ +uint +spu_exec_machine_run( struct spu_exec_machine *mach ) +{ + uint i; + int pc = 0; + + mach->CondMask = 0xf; + mach->LoopMask = 0xf; + mach->ContMask = 0xf; + mach->FuncMask = 0xf; + mach->ExecMask = 0xf; + + mach->CondStackTop = 0; /* temporarily subvert this ASSERTion */ + ASSERT(mach->CondStackTop == 0); + ASSERT(mach->LoopStackTop == 0); + ASSERT(mach->ContStackTop == 0); + ASSERT(mach->CallStackTop == 0); + + mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0] = 0; + mach->Temps[TEMP_OUTPUT_I].xyzw[TEMP_OUTPUT_C].u[0] = 0; + + if( mach->Processor == TGSI_PROCESSOR_GEOMETRY ) { + mach->Temps[TEMP_PRIMITIVE_I].xyzw[TEMP_PRIMITIVE_C].u[0] = 0; + mach->Primitives[0] = 0; + } + + + /* execute declarations (interpolants) */ + if( mach->Processor == TGSI_PROCESSOR_FRAGMENT ) { + for (i = 0; i < mach->NumDeclarations; i++) { + union { + struct tgsi_full_declaration decl; + qword buffer[ROUNDUP16(sizeof(struct tgsi_full_declaration)) / 16]; + } d ALIGN16_ATTRIB; + unsigned ea = (unsigned) (mach->Declarations + pc); + + spu_dcache_fetch_unaligned(d.buffer, ea, sizeof(d.decl)); + + exec_declaration( mach, &d.decl ); + } + } + + /* execute instructions, until pc is set to -1 */ + while (pc != -1) { + union { + struct tgsi_full_instruction inst; + qword buffer[ROUNDUP16(sizeof(struct tgsi_full_instruction)) / 16]; + } i ALIGN16_ATTRIB; + unsigned ea = (unsigned) (mach->Instructions + pc); + + spu_dcache_fetch_unaligned(i.buffer, ea, sizeof(i.inst)); + exec_instruction( mach, & i.inst, &pc ); + } + +#if 0 + /* we scale from floats in [0,1] to Zbuffer ints in sp_quad_depth_test.c */ + if (mach->Processor == TGSI_PROCESSOR_FRAGMENT) { + /* + * Scale back depth component. + */ + for (i = 0; i < 4; i++) + mach->Outputs[0].xyzw[2].f[i] *= ctx->DrawBuffer->_DepthMaxF; + } +#endif + + return ~mach->Temps[TEMP_KILMASK_I].xyzw[TEMP_KILMASK_C].u[0]; +} + + diff --git a/src/gallium/drivers/cell/spu/spu_exec.h b/src/gallium/drivers/cell/spu/spu_exec.h new file mode 100644 index 00000000000..86056799405 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_exec.h @@ -0,0 +1,172 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#if !defined SPU_EXEC_H +#define SPU_EXEC_H + +#include "pipe/p_compiler.h" +#include "tgsi/tgsi_exec.h" + +#if defined __cplusplus +extern "C" { +#endif + +/** + * Registers may be treated as float, signed int or unsigned int. + */ +union spu_exec_channel +{ + float f[QUAD_SIZE]; + int i[QUAD_SIZE]; + unsigned u[QUAD_SIZE]; + qword q; +}; + +/** + * A vector[RGBA] of channels[4 pixels] + */ +struct spu_exec_vector +{ + union spu_exec_channel xyzw[NUM_CHANNELS]; +}; + +/** + * For fragment programs, information for computing fragment input + * values from plane equation of the triangle/line. + */ +struct spu_interp_coef +{ + float a0[NUM_CHANNELS]; /* in an xyzw layout */ + float dadx[NUM_CHANNELS]; + float dady[NUM_CHANNELS]; +}; + + +struct softpipe_tile_cache; /**< Opaque to TGSI */ + +/** + * Information for sampling textures, which must be implemented + * by code outside the TGSI executor. + */ +struct spu_sampler +{ + const struct pipe_sampler_state *state; + struct pipe_texture *texture; + /** Get samples for four fragments in a quad */ + void (*get_samples)(struct spu_sampler *sampler, + const float s[QUAD_SIZE], + const float t[QUAD_SIZE], + const float p[QUAD_SIZE], + float lodbias, + float rgba[NUM_CHANNELS][QUAD_SIZE]); + void *pipe; /*XXX temporary*/ + struct softpipe_tile_cache *cache; +}; + + +/** + * Run-time virtual machine state for executing TGSI shader. + */ +struct spu_exec_machine +{ + /* + * 32 program temporaries + * 4 internal temporaries + * 1 address + */ + struct spu_exec_vector Temps[TGSI_EXEC_NUM_TEMPS + + TGSI_EXEC_NUM_TEMP_EXTRAS + 1] + ALIGN16_ATTRIB; + + struct spu_exec_vector *Addrs; + + struct spu_sampler *Samplers; + + float Imms[TGSI_EXEC_NUM_IMMEDIATES][4]; + unsigned ImmLimit; + float (*Consts)[4]; + struct spu_exec_vector *Inputs; + struct spu_exec_vector *Outputs; + unsigned Processor; + + /* GEOMETRY processor only. */ + unsigned *Primitives; + + /* FRAGMENT processor only. */ + const struct spu_interp_coef *InterpCoefs; + struct spu_exec_vector QuadPos; + + /* Conditional execution masks */ + uint CondMask; /**< For IF/ELSE/ENDIF */ + uint LoopMask; /**< For BGNLOOP/ENDLOOP */ + uint ContMask; /**< For loop CONT statements */ + uint FuncMask; /**< For function calls */ + uint ExecMask; /**< = CondMask & LoopMask */ + + /** Condition mask stack (for nested conditionals) */ + uint CondStack[TGSI_EXEC_MAX_COND_NESTING]; + int CondStackTop; + + /** Loop mask stack (for nested loops) */ + uint LoopStack[TGSI_EXEC_MAX_LOOP_NESTING]; + int LoopStackTop; + + /** Loop continue mask stack (see comments in tgsi_exec.c) */ + uint ContStack[TGSI_EXEC_MAX_LOOP_NESTING]; + int ContStackTop; + + /** Function execution mask stack (for executing subroutine code) */ + uint FuncStack[TGSI_EXEC_MAX_CALL_NESTING]; + int FuncStackTop; + + /** Function call stack for saving/restoring the program counter */ + uint CallStack[TGSI_EXEC_MAX_CALL_NESTING]; + int CallStackTop; + + struct tgsi_full_instruction *Instructions; + uint NumInstructions; + + struct tgsi_full_declaration *Declarations; + uint NumDeclarations; +}; + + +extern void +spu_exec_machine_init(struct spu_exec_machine *mach, + uint numSamplers, + struct spu_sampler *samplers, + unsigned processor); + +extern uint +spu_exec_machine_run( struct spu_exec_machine *mach ); + + +#if defined __cplusplus +} /* extern "C" */ +#endif + +#endif /* SPU_EXEC_H */ diff --git a/src/gallium/drivers/cell/spu/spu_funcs.c b/src/gallium/drivers/cell/spu/spu_funcs.c new file mode 100644 index 00000000000..ff3d609d258 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_funcs.c @@ -0,0 +1,173 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/** + * SPU functions accessed by shaders. + * + * Authors: Brian Paul + */ + + +#include <string.h> +#include <libmisc.h> +#include <math.h> +#include <cos14_v.h> +#include <sin14_v.h> +#include <simdmath/exp2f4.h> +#include <simdmath/log2f4.h> +#include <simdmath/powf4.h> + +#include "cell/common.h" +#include "spu_main.h" +#include "spu_funcs.h" +#include "spu_texture.h" + + +/** For "return"-ing four vectors */ +struct vec_4x4 +{ + vector float v[4]; +}; + + +static vector float +spu_cos(vector float x) +{ + return _cos14_v(x); +} + +static vector float +spu_sin(vector float x) +{ + return _sin14_v(x); +} + +static vector float +spu_pow(vector float x, vector float y) +{ + return _powf4(x, y); +} + +static vector float +spu_exp2(vector float x) +{ + return _exp2f4(x); +} + +static vector float +spu_log2(vector float x) +{ + return _log2f4(x); +} + + +static struct vec_4x4 +spu_tex_2d(vector float s, vector float t, vector float r, vector float q, + unsigned unit) +{ + struct vec_4x4 colors; + (void) r; + (void) q; + spu.sample_texture_2d[unit](s, t, unit, 0, 0, colors.v); + return colors; +} + +static struct vec_4x4 +spu_tex_3d(vector float s, vector float t, vector float r, vector float q, + unsigned unit) +{ + struct vec_4x4 colors; + (void) r; + (void) q; + spu.sample_texture_2d[unit](s, t, unit, 0, 0, colors.v); + return colors; +} + +static struct vec_4x4 +spu_tex_cube(vector float s, vector float t, vector float r, vector float q, + unsigned unit) +{ + struct vec_4x4 colors; + (void) q; + sample_texture_cube(s, t, r, unit, colors.v); + return colors; +} + + +/** + * Add named function to list of "exported" functions that will be + * made available to the PPU-hosted code generator. + */ +static void +export_func(struct cell_spu_function_info *spu_functions, + const char *name, void *addr) +{ + uint n = spu_functions->num; + ASSERT(strlen(name) < 16); + strcpy(spu_functions->names[n], name); + spu_functions->addrs[n] = (uint) addr; + spu_functions->num++; + ASSERT(spu_functions->num <= 16); +} + + +/** + * Return info about the SPU's function to the PPU / main memory. + * The PPU needs to know the address of some SPU-side functions so + * that we can generate shader code with function calls. + */ +void +return_function_info(void) +{ + struct cell_spu_function_info funcs ALIGN16_ATTRIB; + int tag = TAG_MISC; + + ASSERT(sizeof(funcs) == 256); /* must be multiple of 16 bytes */ + + funcs.num = 0; + export_func(&funcs, "spu_cos", &spu_cos); + export_func(&funcs, "spu_sin", &spu_sin); + export_func(&funcs, "spu_pow", &spu_pow); + export_func(&funcs, "spu_exp2", &spu_exp2); + export_func(&funcs, "spu_log2", &spu_log2); + export_func(&funcs, "spu_tex_2d", &spu_tex_2d); + export_func(&funcs, "spu_tex_3d", &spu_tex_3d); + export_func(&funcs, "spu_tex_cube", &spu_tex_cube); + + /* Send the function info back to the PPU / main memory */ + mfc_put((void *) &funcs, /* src in local store */ + (unsigned int) spu.init.spu_functions, /* dst in main memory */ + sizeof(funcs), /* bytes */ + tag, + 0, /* tid */ + 0 /* rid */); + wait_on_mask(1 << tag); +} + + + diff --git a/src/gallium/drivers/cell/spu/spu_funcs.h b/src/gallium/drivers/cell/spu/spu_funcs.h new file mode 100644 index 00000000000..3adb6ae99f9 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_funcs.h @@ -0,0 +1,35 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef SPU_FUNCS_H +#define SPU_FUNCS_H + +extern void +return_function_info(void); + +#endif + diff --git a/src/gallium/drivers/cell/spu/spu_main.c b/src/gallium/drivers/cell/spu/spu_main.c new file mode 100644 index 00000000000..97c86d194da --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_main.c @@ -0,0 +1,117 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +/* main() for Cell SPU code */ + + +#include <stdio.h> +#include <libmisc.h> + +#include "pipe/p_defines.h" + +#include "spu_funcs.h" +#include "spu_command.h" +#include "spu_main.h" +#include "spu_per_fragment_op.h" +#include "spu_texture.h" +//#include "spu_test.h" +#include "cell/common.h" + + +/* +helpful headers: +/usr/lib/gcc/spu/4.1.1/include/spu_mfcio.h +/opt/cell/sdk/usr/include/libmisc.h +*/ + +struct spu_global spu; + + +static void +one_time_init(void) +{ + memset(spu.ctile_status, TILE_STATUS_DEFINED, sizeof(spu.ctile_status)); + memset(spu.ztile_status, TILE_STATUS_DEFINED, sizeof(spu.ztile_status)); + invalidate_tex_cache(); +} + +/* In some versions of the SDK the SPE main takes 'unsigned long' as a + * parameter. In others it takes 'unsigned long long'. Use a define to + * select between the two. + */ +#ifdef SPU_MAIN_PARAM_LONG_LONG +typedef unsigned long long main_param_t; +#else +typedef unsigned long main_param_t; +#endif + +/** + * SPE entrypoint. + */ +int +main(main_param_t speid, main_param_t argp) +{ + int tag = 0; + + (void) speid; + + ASSERT(sizeof(tile_t) == TILE_SIZE * TILE_SIZE * 4); + ASSERT(sizeof(struct cell_command_render) % 8 == 0); + ASSERT(sizeof(struct cell_command_fragment_ops) % 8 == 0); + ASSERT(((unsigned long) &spu.fragment_program_code) % 8 == 0); + + one_time_init(); + spu_command_init(); + + D_PRINTF(CELL_DEBUG_CMD, "main() speid=%lu\n", (unsigned long) speid); + D_PRINTF(CELL_DEBUG_FRAGMENT_OP_FALLBACK, "using fragment op fallback\n"); + + /* get initialization data */ + mfc_get(&spu.init, /* dest */ + (unsigned int) argp, /* src */ + sizeof(struct cell_init_info), /* bytes */ + tag, + 0, /* tid */ + 0 /* rid */); + wait_on_mask( 1 << tag ); + + if (spu.init.id == 0) { + return_function_info(); + } + +#if 0 + if (spu.init.id==0) + spu_test_misc(spu.init.id); +#endif + + command_loop(); + + spu_command_close(); + + return 0; +} diff --git a/src/gallium/drivers/cell/spu/spu_main.h b/src/gallium/drivers/cell/spu/spu_main.h new file mode 100644 index 00000000000..33767e7c51d --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_main.h @@ -0,0 +1,254 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef SPU_MAIN_H +#define SPU_MAIN_H + + +#include <spu_mfcio.h> + +#include "cell/common.h" +#include "draw/draw_vertex.h" +#include "pipe/p_state.h" + + +#if DEBUG +/* These debug macros use the unusual construction ", ##__VA_ARGS__" + * which expands to the expected comma + args if variadic arguments + * are supplied, but swallows the comma if there are no variadic + * arguments (which avoids syntax errors that would otherwise occur). + */ +#define D_PRINTF(flag, format,...) \ + if (spu.init.debug_flags & (flag)) \ + printf("SPU %u: " format, spu.init.id, ##__VA_ARGS__) +#else +#define D_PRINTF(...) +#endif + + +/** + * A tile is basically a TILE_SIZE x TILE_SIZE block of 4-byte pixels. + * The data may be addressed through several different types. + */ +typedef union { + ushort us[TILE_SIZE][TILE_SIZE]; + uint ui[TILE_SIZE][TILE_SIZE]; + vector unsigned short us8[TILE_SIZE/2][TILE_SIZE/4]; + vector unsigned int ui4[TILE_SIZE/2][TILE_SIZE/2]; +} tile_t; + + +#define TILE_STATUS_CLEAR 1 +#define TILE_STATUS_DEFINED 2 /**< defined in FB, but not in local store */ +#define TILE_STATUS_CLEAN 3 /**< in local store, but not changed */ +#define TILE_STATUS_DIRTY 4 /**< modified locally, but not put back yet */ +#define TILE_STATUS_GETTING 5 /**< mfc_get() called but not yet arrived */ + + +/** Function for sampling textures */ +typedef void (*spu_sample_texture_2d_func)(vector float s, + vector float t, + uint unit, uint level, uint face, + vector float colors[4]); + + +/** Function for performing per-fragment ops */ +typedef void (*spu_fragment_ops_func)(uint x, uint y, + tile_t *colorTile, + tile_t *depthStencilTile, + vector float fragZ, + vector float fragRed, + vector float fragGreen, + vector float fragBlue, + vector float fragAlpha, + vector unsigned int mask); + +/** Function for running fragment program */ +typedef vector unsigned int (*spu_fragment_program_func)(vector float *inputs, + vector float *outputs, + vector float *constants); + + +struct spu_framebuffer +{ + void *color_start; /**< addr of color surface in main memory */ + void *depth_start; /**< addr of depth surface in main memory */ + enum pipe_format color_format; + enum pipe_format depth_format; + uint width, height; /**< size in pixels */ + uint width_tiles, height_tiles; /**< width and height in tiles */ + + uint color_clear_value; + uint depth_clear_value; + + uint zsize; /**< 0, 2 or 4 bytes per Z */ + float zscale; /**< 65535.0, 2^24-1 or 2^32-1 */ +} ALIGN16_ATTRIB; + + +/** per-texture level info */ +struct spu_texture_level +{ + void *start; + ushort width, height, depth; + ushort tiles_per_row; + uint bytes_per_image; + /** texcoord scale factors */ + vector float scale_s, scale_t, scale_r; + /** texcoord masks (if REPEAT then size-1, else ~0) */ + vector signed int mask_s, mask_t, mask_r; + /** texcoord clamp limits */ + vector signed int max_s, max_t, max_r; +} ALIGN16_ATTRIB; + + +struct spu_texture +{ + struct spu_texture_level level[CELL_MAX_TEXTURE_LEVELS]; + uint max_level; + uint target; /**< PIPE_TEXTURE_x */ +} ALIGN16_ATTRIB; + + +/** + * All SPU global/context state will be in a singleton object of this type: + */ +struct spu_global +{ + /** One-time init/constant info */ + struct cell_init_info init; + + /* + * Current state + */ + struct spu_framebuffer fb; + struct pipe_depth_stencil_alpha_state depth_stencil_alpha; + struct pipe_blend_state blend; + struct pipe_blend_color blend_color; + struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS]; + struct pipe_rasterizer_state rasterizer; + struct spu_texture texture[PIPE_MAX_SAMPLERS]; + struct vertex_info vertex_info; + + /** Current color and Z tiles */ + tile_t ctile ALIGN16_ATTRIB; + tile_t ztile ALIGN16_ATTRIB; + + /** Read depth/stencil tiles? */ + boolean read_depth_stencil; + + /** Current tiles' status */ + ubyte cur_ctile_status, cur_ztile_status; + + /** Status of all tiles in framebuffer */ + ubyte ctile_status[CELL_MAX_HEIGHT/TILE_SIZE][CELL_MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB; + ubyte ztile_status[CELL_MAX_HEIGHT/TILE_SIZE][CELL_MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB; + + /** Current fragment ops machine code, at 8-byte boundary */ + uint *fragment_ops_code; + uint fragment_ops_code_size; + /** Current fragment ops functions, 0 = frontfacing, 1 = backfacing */ + spu_fragment_ops_func fragment_ops[2]; + + /** Current fragment program machine code, at 8-byte boundary */ + uint fragment_program_code[SPU_MAX_FRAGMENT_PROGRAM_INSTS] ALIGN8_ATTRIB; + /** Current fragment ops function */ + spu_fragment_program_func fragment_program; + + /** Current texture sampler function */ + spu_sample_texture_2d_func sample_texture_2d[CELL_MAX_SAMPLERS]; + spu_sample_texture_2d_func min_sample_texture_2d[CELL_MAX_SAMPLERS]; + spu_sample_texture_2d_func mag_sample_texture_2d[CELL_MAX_SAMPLERS]; + + /** Fragment program constants */ + vector float constants[4 * CELL_MAX_CONSTANTS]; + +} ALIGN16_ATTRIB; + + +extern struct spu_global spu; + + + +/* DMA TAGS */ + +#define TAG_SURFACE_CLEAR 10 +#define TAG_VERTEX_BUFFER 11 +#define TAG_READ_TILE_COLOR 12 +#define TAG_READ_TILE_Z 13 +#define TAG_WRITE_TILE_COLOR 14 +#define TAG_WRITE_TILE_Z 15 +#define TAG_INDEX_BUFFER 16 +#define TAG_BATCH_BUFFER 17 +#define TAG_MISC 18 +#define TAG_DCACHE0 20 +#define TAG_DCACHE1 21 +#define TAG_DCACHE2 22 +#define TAG_DCACHE3 23 +#define TAG_FENCE 24 + + +static INLINE void +wait_on_mask(unsigned tagMask) +{ + mfc_write_tag_mask( tagMask ); + /* wait for completion of _any_ DMAs specified by tagMask */ + mfc_read_tag_status_any(); +} + + +static INLINE void +wait_on_mask_all(unsigned tagMask) +{ + mfc_write_tag_mask( tagMask ); + /* wait for completion of _any_ DMAs specified by tagMask */ + mfc_read_tag_status_all(); +} + + + + + +static INLINE void +memset16(ushort *d, ushort value, uint count) +{ + uint i; + for (i = 0; i < count; i++) + d[i] = value; +} + + +static INLINE void +memset32(uint *d, uint value, uint count) +{ + uint i; + for (i = 0; i < count; i++) + d[i] = value; +} + + +#endif /* SPU_MAIN_H */ diff --git a/src/gallium/drivers/cell/spu/spu_per_fragment_op.c b/src/gallium/drivers/cell/spu/spu_per_fragment_op.c new file mode 100644 index 00000000000..eba9f95cf1f --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_per_fragment_op.c @@ -0,0 +1,631 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * \author Brian Paul + */ + + +#include <transpose_matrix4x4.h> +#include "pipe/p_format.h" +#include "spu_main.h" +#include "spu_colorpack.h" +#include "spu_per_fragment_op.h" + + +#define LINEAR_QUAD_LAYOUT 1 + + +static INLINE vector float +spu_min(vector float a, vector float b) +{ + vector unsigned int m; + m = spu_cmpgt(a, b); /* m = a > b ? ~0 : 0 */ + return spu_sel(a, b, m); +} + + +static INLINE vector float +spu_max(vector float a, vector float b) +{ + vector unsigned int m; + m = spu_cmpgt(a, b); /* m = a > b ? ~0 : 0 */ + return spu_sel(b, a, m); +} + + +/** + * Called by rasterizer for each quad after the shader has run. Do + * all the per-fragment operations including alpha test, z test, + * stencil test, blend, colormask and logicops. This is a + * fallback/debug function. In reality we'll use a generated function + * produced by the PPU. But this function is useful for + * debug/validation. + */ +void +spu_fallback_fragment_ops(uint x, uint y, + tile_t *colorTile, + tile_t *depthStencilTile, + vector float fragZ, + vector float fragR, + vector float fragG, + vector float fragB, + vector float fragA, + vector unsigned int mask) +{ + vector float frag_aos[4]; + unsigned int fbc0, fbc1, fbc2, fbc3 ; /* framebuffer/tile colors */ + unsigned int fragc0, fragc1, fragc2, fragc3; /* fragment colors */ + + /* + * Do alpha test + */ + if (spu.depth_stencil_alpha.alpha.enabled) { + vector float ref = spu_splats(spu.depth_stencil_alpha.alpha.ref_value); + vector unsigned int amask; + + switch (spu.depth_stencil_alpha.alpha.func) { + case PIPE_FUNC_LESS: + amask = spu_cmpgt(ref, fragA); /* mask = (fragA < ref) */ + break; + case PIPE_FUNC_GREATER: + amask = spu_cmpgt(fragA, ref); /* mask = (fragA > ref) */ + break; + case PIPE_FUNC_GEQUAL: + amask = spu_cmpgt(ref, fragA); + amask = spu_nor(amask, amask); + break; + case PIPE_FUNC_LEQUAL: + amask = spu_cmpgt(fragA, ref); + amask = spu_nor(amask, amask); + break; + case PIPE_FUNC_EQUAL: + amask = spu_cmpeq(ref, fragA); + break; + case PIPE_FUNC_NOTEQUAL: + amask = spu_cmpeq(ref, fragA); + amask = spu_nor(amask, amask); + break; + case PIPE_FUNC_ALWAYS: + amask = spu_splats(0xffffffffU); + break; + case PIPE_FUNC_NEVER: + amask = spu_splats( 0x0U); + break; + default: + ; + } + + mask = spu_and(mask, amask); + } + + + /* + * Z and/or stencil testing... + */ + if (spu.depth_stencil_alpha.depth.enabled || + spu.depth_stencil_alpha.stencil[0].enabled) { + + /* get four Z/Stencil values from tile */ + vector unsigned int mask24 = spu_splats((unsigned int)0x00ffffffU); + vector unsigned int ifbZS = depthStencilTile->ui4[y/2][x/2]; + vector unsigned int ifbZ = spu_and(ifbZS, mask24); + vector unsigned int ifbS = spu_andc(ifbZS, mask24); + + if (spu.depth_stencil_alpha.stencil[0].enabled) { + /* do stencil test */ + ASSERT(spu.fb.depth_format == PIPE_FORMAT_S8Z24_UNORM); + + } + else if (spu.depth_stencil_alpha.depth.enabled) { + /* do depth test */ + + ASSERT(spu.fb.depth_format == PIPE_FORMAT_S8Z24_UNORM || + spu.fb.depth_format == PIPE_FORMAT_X8Z24_UNORM); + + vector unsigned int ifragZ; + vector unsigned int zmask; + + /* convert four fragZ from float to uint */ + fragZ = spu_mul(fragZ, spu_splats((float) 0xffffff)); + ifragZ = spu_convtu(fragZ, 0); + + /* do depth comparison, setting zmask with results */ + switch (spu.depth_stencil_alpha.depth.func) { + case PIPE_FUNC_LESS: + zmask = spu_cmpgt(ifbZ, ifragZ); /* mask = (ifragZ < ifbZ) */ + break; + case PIPE_FUNC_GREATER: + zmask = spu_cmpgt(ifragZ, ifbZ); /* mask = (ifbZ > ifragZ) */ + break; + case PIPE_FUNC_GEQUAL: + zmask = spu_cmpgt(ifbZ, ifragZ); + zmask = spu_nor(zmask, zmask); + break; + case PIPE_FUNC_LEQUAL: + zmask = spu_cmpgt(ifragZ, ifbZ); + zmask = spu_nor(zmask, zmask); + break; + case PIPE_FUNC_EQUAL: + zmask = spu_cmpeq(ifbZ, ifragZ); + break; + case PIPE_FUNC_NOTEQUAL: + zmask = spu_cmpeq(ifbZ, ifragZ); + zmask = spu_nor(zmask, zmask); + break; + case PIPE_FUNC_ALWAYS: + zmask = spu_splats(0xffffffffU); + break; + case PIPE_FUNC_NEVER: + zmask = spu_splats( 0x0U); + break; + default: + ; + } + + mask = spu_and(mask, zmask); + + /* merge framebuffer Z and fragment Z according to the mask */ + ifbZ = spu_or(spu_and(ifragZ, mask), + spu_andc(ifbZ, mask)); + } + + if (spu_extract(spu_orx(mask), 0)) { + /* put new fragment Z/Stencil values back into Z/Stencil tile */ + depthStencilTile->ui4[y/2][x/2] = spu_or(ifbZ, ifbS); + + spu.cur_ztile_status = TILE_STATUS_DIRTY; + } + } + + + /* + * If we'll need the current framebuffer/tile colors for blending + * or logicop or colormask, fetch them now. + */ + if (spu.blend.blend_enable || + spu.blend.logicop_enable || + spu.blend.colormask != 0xf) { + +#if LINEAR_QUAD_LAYOUT /* See comments/diagram below */ + fbc0 = colorTile->ui[y][x*2+0]; + fbc1 = colorTile->ui[y][x*2+1]; + fbc2 = colorTile->ui[y][x*2+2]; + fbc3 = colorTile->ui[y][x*2+3]; +#else + fbc0 = colorTile->ui[y+0][x+0]; + fbc1 = colorTile->ui[y+0][x+1]; + fbc2 = colorTile->ui[y+1][x+0]; + fbc3 = colorTile->ui[y+1][x+1]; +#endif + } + + + /* + * Do blending + */ + if (spu.blend.blend_enable) { + /* blending terms, misc regs */ + vector float term1r, term1g, term1b, term1a; + vector float term2r, term2g, term2b, term2a; + vector float one, tmp; + + vector float fbRGBA[4]; /* current framebuffer colors */ + + /* convert framebuffer colors from packed int to vector float */ + { + vector float temp[4]; /* float colors in AOS form */ + switch (spu.fb.color_format) { + case PIPE_FORMAT_B8G8R8A8_UNORM: + temp[0] = spu_unpack_B8G8R8A8(fbc0); + temp[1] = spu_unpack_B8G8R8A8(fbc1); + temp[2] = spu_unpack_B8G8R8A8(fbc2); + temp[3] = spu_unpack_B8G8R8A8(fbc3); + break; + case PIPE_FORMAT_A8R8G8B8_UNORM: + temp[0] = spu_unpack_A8R8G8B8(fbc0); + temp[1] = spu_unpack_A8R8G8B8(fbc1); + temp[2] = spu_unpack_A8R8G8B8(fbc2); + temp[3] = spu_unpack_A8R8G8B8(fbc3); + break; + default: + ASSERT(0); + } + _transpose_matrix4x4(fbRGBA, temp); /* fbRGBA = transpose(temp) */ + } + + /* + * Compute Src RGB terms (fragment color * factor) + */ + switch (spu.blend.rgb_src_factor) { + case PIPE_BLENDFACTOR_ONE: + term1r = fragR; + term1g = fragG; + term1b = fragB; + break; + case PIPE_BLENDFACTOR_ZERO: + term1r = + term1g = + term1b = spu_splats(0.0f); + break; + case PIPE_BLENDFACTOR_SRC_COLOR: + term1r = spu_mul(fragR, fragR); + term1g = spu_mul(fragG, fragG); + term1b = spu_mul(fragB, fragB); + break; + case PIPE_BLENDFACTOR_SRC_ALPHA: + term1r = spu_mul(fragR, fragA); + term1g = spu_mul(fragG, fragA); + term1b = spu_mul(fragB, fragA); + break; + case PIPE_BLENDFACTOR_DST_COLOR: + term1r = spu_mul(fragR, fbRGBA[0]); + term1g = spu_mul(fragG, fbRGBA[1]); + term1b = spu_mul(fragB, fbRGBA[1]); + break; + case PIPE_BLENDFACTOR_DST_ALPHA: + term1r = spu_mul(fragR, fbRGBA[3]); + term1g = spu_mul(fragG, fbRGBA[3]); + term1b = spu_mul(fragB, fbRGBA[3]); + break; + case PIPE_BLENDFACTOR_CONST_COLOR: + term1r = spu_mul(fragR, spu_splats(spu.blend_color.color[0])); + term1g = spu_mul(fragG, spu_splats(spu.blend_color.color[1])); + term1b = spu_mul(fragB, spu_splats(spu.blend_color.color[2])); + break; + case PIPE_BLENDFACTOR_CONST_ALPHA: + term1r = spu_mul(fragR, spu_splats(spu.blend_color.color[3])); + term1g = spu_mul(fragG, spu_splats(spu.blend_color.color[3])); + term1b = spu_mul(fragB, spu_splats(spu.blend_color.color[3])); + break; + /* XXX more cases */ + default: + ASSERT(0); + } + + /* + * Compute Src Alpha term (fragment alpha * factor) + */ + switch (spu.blend.alpha_src_factor) { + case PIPE_BLENDFACTOR_ONE: + term1a = fragA; + break; + case PIPE_BLENDFACTOR_SRC_COLOR: + term1a = spu_splats(0.0f); + break; + case PIPE_BLENDFACTOR_SRC_ALPHA: + term1a = spu_mul(fragA, fragA); + break; + case PIPE_BLENDFACTOR_DST_COLOR: + /* fall-through */ + case PIPE_BLENDFACTOR_DST_ALPHA: + term1a = spu_mul(fragA, fbRGBA[3]); + break; + case PIPE_BLENDFACTOR_CONST_COLOR: + /* fall-through */ + case PIPE_BLENDFACTOR_CONST_ALPHA: + term1a = spu_mul(fragR, spu_splats(spu.blend_color.color[3])); + break; + /* XXX more cases */ + default: + ASSERT(0); + } + + /* + * Compute Dest RGB terms (framebuffer color * factor) + */ + switch (spu.blend.rgb_dst_factor) { + case PIPE_BLENDFACTOR_ONE: + term2r = fbRGBA[0]; + term2g = fbRGBA[1]; + term2b = fbRGBA[2]; + break; + case PIPE_BLENDFACTOR_ZERO: + term2r = + term2g = + term2b = spu_splats(0.0f); + break; + case PIPE_BLENDFACTOR_SRC_COLOR: + term2r = spu_mul(fbRGBA[0], fragR); + term2g = spu_mul(fbRGBA[1], fragG); + term2b = spu_mul(fbRGBA[2], fragB); + break; + case PIPE_BLENDFACTOR_SRC_ALPHA: + term2r = spu_mul(fbRGBA[0], fragA); + term2g = spu_mul(fbRGBA[1], fragA); + term2b = spu_mul(fbRGBA[2], fragA); + break; + case PIPE_BLENDFACTOR_INV_SRC_ALPHA: + one = spu_splats(1.0f); + tmp = spu_sub(one, fragA); + term2r = spu_mul(fbRGBA[0], tmp); + term2g = spu_mul(fbRGBA[1], tmp); + term2b = spu_mul(fbRGBA[2], tmp); + break; + case PIPE_BLENDFACTOR_DST_COLOR: + term2r = spu_mul(fbRGBA[0], fbRGBA[0]); + term2g = spu_mul(fbRGBA[1], fbRGBA[1]); + term2b = spu_mul(fbRGBA[2], fbRGBA[2]); + break; + case PIPE_BLENDFACTOR_DST_ALPHA: + term2r = spu_mul(fbRGBA[0], fbRGBA[3]); + term2g = spu_mul(fbRGBA[1], fbRGBA[3]); + term2b = spu_mul(fbRGBA[2], fbRGBA[3]); + break; + case PIPE_BLENDFACTOR_CONST_COLOR: + term2r = spu_mul(fbRGBA[0], spu_splats(spu.blend_color.color[0])); + term2g = spu_mul(fbRGBA[1], spu_splats(spu.blend_color.color[1])); + term2b = spu_mul(fbRGBA[2], spu_splats(spu.blend_color.color[2])); + break; + case PIPE_BLENDFACTOR_CONST_ALPHA: + term2r = spu_mul(fbRGBA[0], spu_splats(spu.blend_color.color[3])); + term2g = spu_mul(fbRGBA[1], spu_splats(spu.blend_color.color[3])); + term2b = spu_mul(fbRGBA[2], spu_splats(spu.blend_color.color[3])); + break; + /* XXX more cases */ + default: + ASSERT(0); + } + + /* + * Compute Dest Alpha term (framebuffer alpha * factor) + */ + switch (spu.blend.alpha_dst_factor) { + case PIPE_BLENDFACTOR_ONE: + term2a = fbRGBA[3]; + break; + case PIPE_BLENDFACTOR_SRC_COLOR: + term2a = spu_splats(0.0f); + break; + case PIPE_BLENDFACTOR_SRC_ALPHA: + term2a = spu_mul(fbRGBA[3], fragA); + break; + case PIPE_BLENDFACTOR_INV_SRC_ALPHA: + one = spu_splats(1.0f); + tmp = spu_sub(one, fragA); + term2a = spu_mul(fbRGBA[3], tmp); + break; + case PIPE_BLENDFACTOR_DST_COLOR: + /* fall-through */ + case PIPE_BLENDFACTOR_DST_ALPHA: + term2a = spu_mul(fbRGBA[3], fbRGBA[3]); + break; + case PIPE_BLENDFACTOR_CONST_COLOR: + /* fall-through */ + case PIPE_BLENDFACTOR_CONST_ALPHA: + term2a = spu_mul(fbRGBA[3], spu_splats(spu.blend_color.color[3])); + break; + /* XXX more cases */ + default: + ASSERT(0); + } + + /* + * Combine Src/Dest RGB terms + */ + switch (spu.blend.rgb_func) { + case PIPE_BLEND_ADD: + fragR = spu_add(term1r, term2r); + fragG = spu_add(term1g, term2g); + fragB = spu_add(term1b, term2b); + break; + case PIPE_BLEND_SUBTRACT: + fragR = spu_sub(term1r, term2r); + fragG = spu_sub(term1g, term2g); + fragB = spu_sub(term1b, term2b); + break; + case PIPE_BLEND_REVERSE_SUBTRACT: + fragR = spu_sub(term2r, term1r); + fragG = spu_sub(term2g, term1g); + fragB = spu_sub(term2b, term1b); + break; + case PIPE_BLEND_MIN: + fragR = spu_min(term1r, term2r); + fragG = spu_min(term1g, term2g); + fragB = spu_min(term1b, term2b); + break; + case PIPE_BLEND_MAX: + fragR = spu_max(term1r, term2r); + fragG = spu_max(term1g, term2g); + fragB = spu_max(term1b, term2b); + break; + default: + ASSERT(0); + } + + /* + * Combine Src/Dest A term + */ + switch (spu.blend.alpha_func) { + case PIPE_BLEND_ADD: + fragA = spu_add(term1a, term2a); + break; + case PIPE_BLEND_SUBTRACT: + fragA = spu_sub(term1a, term2a); + break; + case PIPE_BLEND_REVERSE_SUBTRACT: + fragA = spu_sub(term2a, term1a); + break; + case PIPE_BLEND_MIN: + fragA = spu_min(term1a, term2a); + break; + case PIPE_BLEND_MAX: + fragA = spu_max(term1a, term2a); + break; + default: + ASSERT(0); + } + } + + + /* + * Convert RRRR,GGGG,BBBB,AAAA to RGBA,RGBA,RGBA,RGBA. + */ +#if 0 + /* original code */ + { + vector float frag_soa[4]; + frag_soa[0] = fragR; + frag_soa[1] = fragG; + frag_soa[2] = fragB; + frag_soa[3] = fragA; + _transpose_matrix4x4(frag_aos, frag_soa); + } +#else + /* short-cut relying on function parameter layout: */ + _transpose_matrix4x4(frag_aos, &fragR); + (void) fragG; + (void) fragB; +#endif + + /* + * Pack fragment float colors into 32-bit RGBA words. + */ + switch (spu.fb.color_format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + fragc0 = spu_pack_A8R8G8B8(frag_aos[0]); + fragc1 = spu_pack_A8R8G8B8(frag_aos[1]); + fragc2 = spu_pack_A8R8G8B8(frag_aos[2]); + fragc3 = spu_pack_A8R8G8B8(frag_aos[3]); + break; + case PIPE_FORMAT_B8G8R8A8_UNORM: + fragc0 = spu_pack_B8G8R8A8(frag_aos[0]); + fragc1 = spu_pack_B8G8R8A8(frag_aos[1]); + fragc2 = spu_pack_B8G8R8A8(frag_aos[2]); + fragc3 = spu_pack_B8G8R8A8(frag_aos[3]); + break; + default: + fprintf(stderr, "SPU: Bad pixel format in spu_default_fragment_ops\n"); + ASSERT(0); + } + + + /* + * Do color masking + */ + if (spu.blend.colormask != 0xf) { + uint cmask = 0x0; /* each byte corresponds to a color channel */ + + /* Form bitmask depending on color buffer format and colormask bits */ + switch (spu.fb.color_format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + if (spu.blend.colormask & PIPE_MASK_R) + cmask |= 0x00ff0000; /* red */ + if (spu.blend.colormask & PIPE_MASK_G) + cmask |= 0x0000ff00; /* green */ + if (spu.blend.colormask & PIPE_MASK_B) + cmask |= 0x000000ff; /* blue */ + if (spu.blend.colormask & PIPE_MASK_A) + cmask |= 0xff000000; /* alpha */ + break; + case PIPE_FORMAT_B8G8R8A8_UNORM: + if (spu.blend.colormask & PIPE_MASK_R) + cmask |= 0x0000ff00; /* red */ + if (spu.blend.colormask & PIPE_MASK_G) + cmask |= 0x00ff0000; /* green */ + if (spu.blend.colormask & PIPE_MASK_B) + cmask |= 0xff000000; /* blue */ + if (spu.blend.colormask & PIPE_MASK_A) + cmask |= 0x000000ff; /* alpha */ + break; + default: + ASSERT(0); + } + + /* + * Apply color mask to the 32-bit packed colors. + * if (cmask[i]) + * frag color[i] = frag color[i]; + * else + * frag color[i] = framebuffer color[i]; + */ + fragc0 = (fragc0 & cmask) | (fbc0 & ~cmask); + fragc1 = (fragc1 & cmask) | (fbc1 & ~cmask); + fragc2 = (fragc2 & cmask) | (fbc2 & ~cmask); + fragc3 = (fragc3 & cmask) | (fbc3 & ~cmask); + } + + + /* + * Do logic ops + */ + if (spu.blend.logicop_enable) { + /* XXX to do */ + /* apply logicop to 32-bit packed colors (fragcx and fbcx) */ + } + + + /* + * If mask is non-zero, mark tile as dirty. + */ + if (spu_extract(spu_orx(mask), 0)) { + spu.cur_ctile_status = TILE_STATUS_DIRTY; + } + else { + /* write no fragments */ + return; + } + + + /* + * Write new fragment/quad colors to the framebuffer/tile. + * Only write pixels where the corresponding mask word is set. + */ +#if LINEAR_QUAD_LAYOUT + /* + * Quad layout: + * +--+--+--+--+ + * |p0|p1|p2|p3|... + * +--+--+--+--+ + */ + if (spu_extract(mask, 0)) + colorTile->ui[y][x*2] = fragc0; + if (spu_extract(mask, 1)) + colorTile->ui[y][x*2+1] = fragc1; + if (spu_extract(mask, 2)) + colorTile->ui[y][x*2+2] = fragc2; + if (spu_extract(mask, 3)) + colorTile->ui[y][x*2+3] = fragc3; +#else + /* + * Quad layout: + * +--+--+ + * |p0|p1|... + * +--+--+ + * |p2|p3|... + * +--+--+ + */ + if (spu_extract(mask, 0)) + colorTile->ui[y+0][x+0] = fragc0; + if (spu_extract(mask, 1)) + colorTile->ui[y+0][x+1] = fragc1; + if (spu_extract(mask, 2)) + colorTile->ui[y+1][x+0] = fragc2; + if (spu_extract(mask, 3)) + colorTile->ui[y+1][x+1] = fragc3; +#endif +} diff --git a/src/gallium/drivers/cell/spu/spu_per_fragment_op.h b/src/gallium/drivers/cell/spu/spu_per_fragment_op.h new file mode 100644 index 00000000000..f817abf0463 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_per_fragment_op.h @@ -0,0 +1,44 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef SPU_PER_FRAGMENT_OP +#define SPU_PER_FRAGMENT_OP + + +extern void +spu_fallback_fragment_ops(uint x, uint y, + tile_t *colorTile, + tile_t *depthStencilTile, + vector float fragZ, + vector float fragRed, + vector float fragGreen, + vector float fragBlue, + vector float fragAlpha, + vector unsigned int mask); + + +#endif /* SPU_PER_FRAGMENT_OP */ diff --git a/src/gallium/drivers/cell/spu/spu_render.c b/src/gallium/drivers/cell/spu/spu_render.c new file mode 100644 index 00000000000..7c225e2f27c --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_render.c @@ -0,0 +1,295 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include <stdio.h> +#include <libmisc.h> +#include <spu_mfcio.h> + +#include "spu_main.h" +#include "spu_render.h" +#include "spu_tri.h" +#include "spu_tile.h" +#include "cell/common.h" +#include "util/u_memory.h" + + +/** + * Given a rendering command's bounding box (in pixels) compute the + * location of the corresponding screen tile bounding box. + */ +static INLINE void +tile_bounding_box(const struct cell_command_render *render, + uint *txmin, uint *tymin, + uint *box_num_tiles, uint *box_width_tiles) +{ +#if 0 + /* Debug: full-window bounding box */ + uint txmax = spu.fb.width_tiles - 1; + uint tymax = spu.fb.height_tiles - 1; + *txmin = 0; + *tymin = 0; + *box_num_tiles = spu.fb.width_tiles * spu.fb.height_tiles; + *box_width_tiles = spu.fb.width_tiles; + (void) render; + (void) txmax; + (void) tymax; +#else + uint txmax, tymax, box_height_tiles; + + *txmin = (uint) render->xmin / TILE_SIZE; + *tymin = (uint) render->ymin / TILE_SIZE; + txmax = (uint) render->xmax / TILE_SIZE; + tymax = (uint) render->ymax / TILE_SIZE; + if (txmax >= spu.fb.width_tiles) + txmax = spu.fb.width_tiles-1; + if (tymax >= spu.fb.height_tiles) + tymax = spu.fb.height_tiles-1; + *box_width_tiles = txmax - *txmin + 1; + box_height_tiles = tymax - *tymin + 1; + *box_num_tiles = *box_width_tiles * box_height_tiles; +#endif +#if 0 + printf("SPU %u: bounds: %g, %g ... %g, %g\n", spu.init.id, + render->xmin, render->ymin, render->xmax, render->ymax); + printf("SPU %u: tiles: %u, %u .. %u, %u\n", + spu.init.id, *txmin, *tymin, txmax, tymax); + ASSERT(render->xmin <= render->xmax); + ASSERT(render->ymin <= render->ymax); +#endif +} + + +/** Check if the tile at (tx,ty) belongs to this SPU */ +static INLINE boolean +my_tile(uint tx, uint ty) +{ + return (spu.fb.width_tiles * ty + tx) % spu.init.num_spus == spu.init.id; +} + + +/** + * Start fetching non-clear color/Z tiles from main memory + */ +static INLINE void +get_cz_tiles(uint tx, uint ty) +{ + if (spu.read_depth_stencil) { + if (spu.cur_ztile_status != TILE_STATUS_CLEAR) { + //printf("SPU %u: getting Z tile %u, %u\n", spu.init.id, tx, ty); + get_tile(tx, ty, &spu.ztile, TAG_READ_TILE_Z, 1); + spu.cur_ztile_status = TILE_STATUS_GETTING; + } + } + + if (spu.cur_ctile_status != TILE_STATUS_CLEAR) { + //printf("SPU %u: getting C tile %u, %u\n", spu.init.id, tx, ty); + get_tile(tx, ty, &spu.ctile, TAG_READ_TILE_COLOR, 0); + spu.cur_ctile_status = TILE_STATUS_GETTING; + } +} + + +/** + * Start putting dirty color/Z tiles back to main memory + */ +static INLINE void +put_cz_tiles(uint tx, uint ty) +{ + if (spu.cur_ztile_status == TILE_STATUS_DIRTY) { + /* tile was modified and needs to be written back */ + //printf("SPU %u: put dirty Z tile %u, %u\n", spu.init.id, tx, ty); + put_tile(tx, ty, &spu.ztile, TAG_WRITE_TILE_Z, 1); + spu.cur_ztile_status = TILE_STATUS_DEFINED; + } + else if (spu.cur_ztile_status == TILE_STATUS_GETTING) { + /* tile was never used */ + spu.cur_ztile_status = TILE_STATUS_DEFINED; + //printf("SPU %u: put getting Z tile %u, %u\n", spu.init.id, tx, ty); + } + + if (spu.cur_ctile_status == TILE_STATUS_DIRTY) { + /* tile was modified and needs to be written back */ + //printf("SPU %u: put dirty C tile %u, %u\n", spu.init.id, tx, ty); + put_tile(tx, ty, &spu.ctile, TAG_WRITE_TILE_COLOR, 0); + spu.cur_ctile_status = TILE_STATUS_DEFINED; + } + else if (spu.cur_ctile_status == TILE_STATUS_GETTING) { + /* tile was never used */ + spu.cur_ctile_status = TILE_STATUS_DEFINED; + //printf("SPU %u: put getting C tile %u, %u\n", spu.init.id, tx, ty); + } +} + + +/** + * Wait for 'put' of color/z tiles to complete. + */ +static INLINE void +wait_put_cz_tiles(void) +{ + wait_on_mask(1 << TAG_WRITE_TILE_COLOR); + if (spu.read_depth_stencil) { + wait_on_mask(1 << TAG_WRITE_TILE_Z); + } +} + + +/** + * Render primitives + * \param pos_incr returns value indicating how may words to skip after + * this command in the batch buffer + */ +void +cmd_render(const struct cell_command_render *render, uint *pos_incr) +{ + /* we'll DMA into these buffers */ + ubyte vertex_data[CELL_BUFFER_SIZE] ALIGN16_ATTRIB; + const uint vertex_size = render->vertex_size; /* in bytes */ + /*const*/ uint total_vertex_bytes = render->num_verts * vertex_size; + uint index_bytes; + const ubyte *vertices; + const ushort *indexes; + uint i, j; + uint num_tiles; + + D_PRINTF(CELL_DEBUG_CMD, + "RENDER prim=%u num_vert=%u num_ind=%u inline_vert=%u\n", + render->prim_type, + render->num_verts, + render->num_indexes, + render->inline_verts); + + ASSERT(sizeof(*render) % 4 == 0); + ASSERT(total_vertex_bytes % 16 == 0); + ASSERT(render->prim_type == PIPE_PRIM_TRIANGLES); + ASSERT(render->num_indexes % 3 == 0); + + + /* indexes are right after the render command in the batch buffer */ + indexes = (const ushort *) (render + 1); + index_bytes = ROUNDUP8(render->num_indexes * 2); + *pos_incr = index_bytes / 8 + sizeof(*render) / 8; + + + if (render->inline_verts) { + /* Vertices are after indexes in batch buffer at next 16-byte addr */ + vertices = (const ubyte *) render + (*pos_incr * 8); + vertices = (const ubyte *) align_pointer((void *) vertices, 16); + ASSERT_ALIGN16(vertices); + *pos_incr = ((vertices + total_vertex_bytes) - (ubyte *) render) / 8; + } + else { + /* Begin DMA fetch of vertex buffer */ + ubyte *src = spu.init.buffers[render->vertex_buf]; + ubyte *dest = vertex_data; + + /* skip vertex data we won't use */ +#if 01 + src += render->min_index * vertex_size; + dest += render->min_index * vertex_size; + total_vertex_bytes -= render->min_index * vertex_size; +#endif + ASSERT(total_vertex_bytes % 16 == 0); + ASSERT_ALIGN16(dest); + ASSERT_ALIGN16(src); + + mfc_get(dest, /* in vertex_data[] array */ + (unsigned int) src, /* src in main memory */ + total_vertex_bytes, /* size */ + TAG_VERTEX_BUFFER, + 0, /* tid */ + 0 /* rid */); + + vertices = vertex_data; + + wait_on_mask(1 << TAG_VERTEX_BUFFER); + } + + + /** + ** find tiles which intersect the prim bounding box + **/ + uint txmin, tymin, box_width_tiles, box_num_tiles; + tile_bounding_box(render, &txmin, &tymin, + &box_num_tiles, &box_width_tiles); + + + /* make sure any pending clears have completed */ + wait_on_mask(1 << TAG_SURFACE_CLEAR); /* XXX temporary */ + + + num_tiles = 0; + + /** + ** loop over tiles, rendering tris + **/ + for (i = 0; i < box_num_tiles; i++) { + const uint tx = txmin + i % box_width_tiles; + const uint ty = tymin + i / box_width_tiles; + + ASSERT(tx < spu.fb.width_tiles); + ASSERT(ty < spu.fb.height_tiles); + + if (!my_tile(tx, ty)) + continue; + + num_tiles++; + + spu.cur_ctile_status = spu.ctile_status[ty][tx]; + spu.cur_ztile_status = spu.ztile_status[ty][tx]; + + get_cz_tiles(tx, ty); + + uint drawn = 0; + + /* loop over tris */ + for (j = 0; j < render->num_indexes; j += 3) { + const float *v0, *v1, *v2; + + v0 = (const float *) (vertices + indexes[j+0] * vertex_size); + v1 = (const float *) (vertices + indexes[j+1] * vertex_size); + v2 = (const float *) (vertices + indexes[j+2] * vertex_size); + + drawn += tri_draw(v0, v1, v2, tx, ty); + } + + //printf("SPU %u: drew %u of %u\n", spu.init.id, drawn, render->num_indexes/3); + + /* write color/z tiles back to main framebuffer, if dirtied */ + put_cz_tiles(tx, ty); + + wait_put_cz_tiles(); /* XXX seems unnecessary... */ + + spu.ctile_status[ty][tx] = spu.cur_ctile_status; + spu.ztile_status[ty][tx] = spu.cur_ztile_status; + } + + D_PRINTF(CELL_DEBUG_CMD, + "RENDER done (%u tiles hit)\n", + num_tiles); +} diff --git a/src/gallium/drivers/cell/spu/spu_render.h b/src/gallium/drivers/cell/spu/spu_render.h new file mode 100644 index 00000000000..493434f0878 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_render.h @@ -0,0 +1,38 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef SPU_RENDER_H +#define SPU_RENDER_H + +#include "cell/common.h" + +extern void +cmd_render(const struct cell_command_render *render, uint *pos_incr); + +#endif /* SPU_RENDER_H */ + diff --git a/src/gallium/drivers/cell/spu/spu_shuffle.h b/src/gallium/drivers/cell/spu/spu_shuffle.h new file mode 100644 index 00000000000..74f2a0b6d2e --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_shuffle.h @@ -0,0 +1,186 @@ +#ifndef SPU_SHUFFLE_H +#define SPU_SHUFFLE_H + +/* + * Generate shuffle patterns with minimal fuss. + * + * Based on ideas from + * http://www.insomniacgames.com/tech/articles/0408/files/shuffles.pdf + * + * A-P indicates 0-15th position in first vector + * a-p indicates 0-15th position in second vector + * + * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ + * |00|01|02|03|04|05|06|07|08|09|0a|0b|0c|0d|0e|0f| + * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ + * | A| B| C| D| + * +-----+-----+-----+-----+-----+-----+-----+-----+ + * | A| B| C| D| E| F| G| H| + * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ + * | A| B| C| D| E| F| G| H| I| J| K| L| M| N| O| P| + * +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ + * + * x or X indicates 0xff + * 8 indicates 0x80 + * 0 indicates 0x00 + * + * The macros SHUFFLE4() SHUFFLE8() and SHUFFLE16() provide a const vector + * unsigned char literal suitable for use with spu_shuffle(). + * + * The macros SHUFB4() SHUFB8() and SHUFB16() provide a const qword vector + * literal suitable for use with si_shufb(). + * + * + * For example : + * SHUFB4(A,A,A,A) + * expands to : + * ((const qword){0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3}) + * + * SHUFFLE8(A,B,a,b,C,c,8,8) + * expands to : + * ((const vector unsigned char){0x00,0x01,0x02,0x03,0x10,0x11,0x12,0x13, + * 0x04,0x05,0x14,0x15,0xe0,0xe0,0xe0,0xe0}) + * + */ + +#include <spu_intrinsics.h> + +#define SHUFFLE_PATTERN_4_A__ 0x00, 0x01, 0x02, 0x03 +#define SHUFFLE_PATTERN_4_B__ 0x04, 0x05, 0x06, 0x07 +#define SHUFFLE_PATTERN_4_C__ 0x08, 0x09, 0x0a, 0x0b +#define SHUFFLE_PATTERN_4_D__ 0x0c, 0x0d, 0x0e, 0x0f +#define SHUFFLE_PATTERN_4_a__ 0x10, 0x11, 0x12, 0x13 +#define SHUFFLE_PATTERN_4_b__ 0x14, 0x15, 0x16, 0x17 +#define SHUFFLE_PATTERN_4_c__ 0x18, 0x19, 0x1a, 0x1b +#define SHUFFLE_PATTERN_4_d__ 0x1c, 0x1d, 0x1e, 0x1f +#define SHUFFLE_PATTERN_4_X__ 0xc0, 0xc0, 0xc0, 0xc0 +#define SHUFFLE_PATTERN_4_x__ 0xc0, 0xc0, 0xc0, 0xc0 +#define SHUFFLE_PATTERN_4_0__ 0x80, 0x80, 0x80, 0x80 +#define SHUFFLE_PATTERN_4_8__ 0xe0, 0xe0, 0xe0, 0xe0 + +#define SHUFFLE_VECTOR_4__(A, B, C, D) \ + SHUFFLE_PATTERN_4_##A##__, \ + SHUFFLE_PATTERN_4_##B##__, \ + SHUFFLE_PATTERN_4_##C##__, \ + SHUFFLE_PATTERN_4_##D##__ + +#define SHUFFLE4(A, B, C, D) \ + ((const vector unsigned char){ \ + SHUFFLE_VECTOR_4__(A, B, C, D) \ + }) + +#define SHUFB4(A, B, C, D) \ + ((const qword){ \ + SHUFFLE_VECTOR_4__(A, B, C, D) \ + }) + + +#define SHUFFLE_PATTERN_8_A__ 0x00, 0x01 +#define SHUFFLE_PATTERN_8_B__ 0x02, 0x03 +#define SHUFFLE_PATTERN_8_C__ 0x04, 0x05 +#define SHUFFLE_PATTERN_8_D__ 0x06, 0x07 +#define SHUFFLE_PATTERN_8_E__ 0x08, 0x09 +#define SHUFFLE_PATTERN_8_F__ 0x0a, 0x0b +#define SHUFFLE_PATTERN_8_G__ 0x0c, 0x0d +#define SHUFFLE_PATTERN_8_H__ 0x0e, 0x0f +#define SHUFFLE_PATTERN_8_a__ 0x10, 0x11 +#define SHUFFLE_PATTERN_8_b__ 0x12, 0x13 +#define SHUFFLE_PATTERN_8_c__ 0x14, 0x15 +#define SHUFFLE_PATTERN_8_d__ 0x16, 0x17 +#define SHUFFLE_PATTERN_8_e__ 0x18, 0x19 +#define SHUFFLE_PATTERN_8_f__ 0x1a, 0x1b +#define SHUFFLE_PATTERN_8_g__ 0x1c, 0x1d +#define SHUFFLE_PATTERN_8_h__ 0x1e, 0x1f +#define SHUFFLE_PATTERN_8_X__ 0xc0, 0xc0 +#define SHUFFLE_PATTERN_8_x__ 0xc0, 0xc0 +#define SHUFFLE_PATTERN_8_0__ 0x80, 0x80 +#define SHUFFLE_PATTERN_8_8__ 0xe0, 0xe0 + + +#define SHUFFLE_VECTOR_8__(A, B, C, D, E, F, G, H) \ + SHUFFLE_PATTERN_8_##A##__, \ + SHUFFLE_PATTERN_8_##B##__, \ + SHUFFLE_PATTERN_8_##C##__, \ + SHUFFLE_PATTERN_8_##D##__, \ + SHUFFLE_PATTERN_8_##E##__, \ + SHUFFLE_PATTERN_8_##F##__, \ + SHUFFLE_PATTERN_8_##G##__, \ + SHUFFLE_PATTERN_8_##H##__ + +#define SHUFFLE8(A, B, C, D, E, F, G, H) \ + ((const vector unsigned char){ \ + SHUFFLE_VECTOR_8__(A, B, C, D, E, F, G, H) \ + }) + +#define SHUFB8(A, B, C, D, E, F, G, H) \ + ((const qword){ \ + SHUFFLE_VECTOR_8__(A, B, C, D, E, F, G, H) \ + }) + + +#define SHUFFLE_PATTERN_16_A__ 0x00 +#define SHUFFLE_PATTERN_16_B__ 0x01 +#define SHUFFLE_PATTERN_16_C__ 0x02 +#define SHUFFLE_PATTERN_16_D__ 0x03 +#define SHUFFLE_PATTERN_16_E__ 0x04 +#define SHUFFLE_PATTERN_16_F__ 0x05 +#define SHUFFLE_PATTERN_16_G__ 0x06 +#define SHUFFLE_PATTERN_16_H__ 0x07 +#define SHUFFLE_PATTERN_16_I__ 0x08 +#define SHUFFLE_PATTERN_16_J__ 0x09 +#define SHUFFLE_PATTERN_16_K__ 0x0a +#define SHUFFLE_PATTERN_16_L__ 0x0b +#define SHUFFLE_PATTERN_16_M__ 0x0c +#define SHUFFLE_PATTERN_16_N__ 0x0d +#define SHUFFLE_PATTERN_16_O__ 0x0e +#define SHUFFLE_PATTERN_16_P__ 0x0f +#define SHUFFLE_PATTERN_16_a__ 0x10 +#define SHUFFLE_PATTERN_16_b__ 0x11 +#define SHUFFLE_PATTERN_16_c__ 0x12 +#define SHUFFLE_PATTERN_16_d__ 0x13 +#define SHUFFLE_PATTERN_16_e__ 0x14 +#define SHUFFLE_PATTERN_16_f__ 0x15 +#define SHUFFLE_PATTERN_16_g__ 0x16 +#define SHUFFLE_PATTERN_16_h__ 0x17 +#define SHUFFLE_PATTERN_16_i__ 0x18 +#define SHUFFLE_PATTERN_16_j__ 0x19 +#define SHUFFLE_PATTERN_16_k__ 0x1a +#define SHUFFLE_PATTERN_16_l__ 0x1b +#define SHUFFLE_PATTERN_16_m__ 0x1c +#define SHUFFLE_PATTERN_16_n__ 0x1d +#define SHUFFLE_PATTERN_16_o__ 0x1e +#define SHUFFLE_PATTERN_16_p__ 0x1f +#define SHUFFLE_PATTERN_16_X__ 0xc0 +#define SHUFFLE_PATTERN_16_x__ 0xc0 +#define SHUFFLE_PATTERN_16_0__ 0x80 +#define SHUFFLE_PATTERN_16_8__ 0xe0 + +#define SHUFFLE_VECTOR_16__(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + SHUFFLE_PATTERN_16_##A##__, \ + SHUFFLE_PATTERN_16_##B##__, \ + SHUFFLE_PATTERN_16_##C##__, \ + SHUFFLE_PATTERN_16_##D##__, \ + SHUFFLE_PATTERN_16_##E##__, \ + SHUFFLE_PATTERN_16_##F##__, \ + SHUFFLE_PATTERN_16_##G##__, \ + SHUFFLE_PATTERN_16_##H##__, \ + SHUFFLE_PATTERN_16_##I##__, \ + SHUFFLE_PATTERN_16_##J##__, \ + SHUFFLE_PATTERN_16_##K##__, \ + SHUFFLE_PATTERN_16_##L##__, \ + SHUFFLE_PATTERN_16_##M##__, \ + SHUFFLE_PATTERN_16_##N##__, \ + SHUFFLE_PATTERN_16_##O##__, \ + SHUFFLE_PATTERN_16_##P##__ + +#define SHUFFLE16(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + ((const vector unsigned char){ \ + SHUFFLE_VECTOR_16__(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + }) + +#define SHUFB16(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + ((const qword){ \ + SHUFFLE_VECTOR_16__(A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P) \ + }) + +#endif diff --git a/src/gallium/drivers/cell/spu/spu_texture.c b/src/gallium/drivers/cell/spu/spu_texture.c new file mode 100644 index 00000000000..69784c89788 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_texture.c @@ -0,0 +1,641 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#include <math.h> + +#include "pipe/p_compiler.h" +#include "spu_main.h" +#include "spu_texture.h" +#include "spu_tile.h" +#include "spu_colorpack.h" +#include "spu_dcache.h" + + +/** + * Mark all tex cache entries as invalid. + */ +void +invalidate_tex_cache(void) +{ + uint lvl; + for (lvl = 0; lvl < CELL_MAX_TEXTURE_LEVELS; lvl++) { + uint unit = 0; + uint bytes = 4 * spu.texture[unit].level[lvl].width + * spu.texture[unit].level[lvl].height; + + if (spu.texture[unit].target == PIPE_TEXTURE_CUBE) + bytes *= 6; + else if (spu.texture[unit].target == PIPE_TEXTURE_3D) + bytes *= spu.texture[unit].level[lvl].depth; + + spu_dcache_mark_dirty((unsigned) spu.texture[unit].level[lvl].start, bytes); + } +} + + +/** + * Get four texels from locations (x[0], y[0]), (x[1], y[1]) ... + * + * NOTE: in the typical case of bilinear filtering, the four texels + * are in a 2x2 group so we could get by with just two dcache fetches + * (two side-by-side texels per fetch). But when bilinear filtering + * wraps around a texture edge, we'll probably need code like we have + * now. + * FURTHERMORE: since we're rasterizing a quad of 2x2 pixels at a time, + * it's quite likely that the four pixels in a quad will need some of the + * same texels. So look into doing texture fetches for four pixels at + * a time. + */ +static void +get_four_texels(const struct spu_texture_level *tlevel, uint face, + vec_int4 x, vec_int4 y, + vec_uint4 *texels) +{ + unsigned texture_ea = (uintptr_t) tlevel->start; + const vec_int4 tile_x = spu_rlmask(x, -5); /* tile_x = x / 32 */ + const vec_int4 tile_y = spu_rlmask(y, -5); /* tile_y = y / 32 */ + const qword offset_x = si_andi((qword) x, 0x1f); /* offset_x = x & 0x1f */ + const qword offset_y = si_andi((qword) y, 0x1f); /* offset_y = y & 0x1f */ + + const qword tiles_per_row = (qword) spu_splats(tlevel->tiles_per_row); + const qword tile_size = (qword) spu_splats((unsigned) sizeof(tile_t)); + + qword tile_offset = si_mpya((qword) tile_y, tiles_per_row, (qword) tile_x); + tile_offset = si_mpy((qword) tile_offset, tile_size); + + qword texel_offset = si_a(si_mpyui(offset_y, 32), offset_x); + texel_offset = si_mpyui(texel_offset, 4); + + vec_uint4 offset = (vec_uint4) si_a(tile_offset, texel_offset); + + texture_ea = texture_ea + face * tlevel->bytes_per_image; + + spu_dcache_fetch_unaligned((qword *) & texels[0], + texture_ea + spu_extract(offset, 0), 4); + spu_dcache_fetch_unaligned((qword *) & texels[1], + texture_ea + spu_extract(offset, 1), 4); + spu_dcache_fetch_unaligned((qword *) & texels[2], + texture_ea + spu_extract(offset, 2), 4); + spu_dcache_fetch_unaligned((qword *) & texels[3], + texture_ea + spu_extract(offset, 3), 4); +} + + +/** clamp vec to [0, max] */ +static INLINE vector signed int +spu_clamp(vector signed int vec, vector signed int max) +{ + static const vector signed int zero = {0,0,0,0}; + vector unsigned int c; + c = spu_cmpgt(vec, zero); /* c = vec > zero ? ~0 : 0 */ + vec = spu_sel(zero, vec, c); + c = spu_cmpgt(vec, max); /* c = vec > max ? ~0 : 0 */ + vec = spu_sel(vec, max, c); + return vec; +} + + + +/** + * Do nearest texture sampling for four pixels. + * \param colors returned colors in SOA format (rrrr, gggg, bbbb, aaaa). + */ +void +sample_texture_2d_nearest(vector float s, vector float t, + uint unit, uint level, uint face, + vector float colors[4]) +{ + const struct spu_texture_level *tlevel = &spu.texture[unit].level[level]; + vector float ss = spu_mul(s, tlevel->scale_s); + vector float tt = spu_mul(t, tlevel->scale_t); + vector signed int is = spu_convts(ss, 0); + vector signed int it = spu_convts(tt, 0); + vec_uint4 texels[4]; + + /* PIPE_TEX_WRAP_REPEAT */ + is = spu_and(is, tlevel->mask_s); + it = spu_and(it, tlevel->mask_t); + + /* PIPE_TEX_WRAP_CLAMP */ + is = spu_clamp(is, tlevel->max_s); + it = spu_clamp(it, tlevel->max_t); + + get_four_texels(tlevel, face, is, it, texels); + + /* convert four packed ARGBA pixels to float RRRR,GGGG,BBBB,AAAA */ + spu_unpack_A8R8G8B8_transpose4(texels, colors); +} + + +/** + * Do bilinear texture sampling for four pixels. + * \param colors returned colors in SOA format (rrrr, gggg, bbbb, aaaa). + */ +void +sample_texture_2d_bilinear(vector float s, vector float t, + uint unit, uint level, uint face, + vector float colors[4]) +{ + const struct spu_texture_level *tlevel = &spu.texture[unit].level[level]; + static const vector float half = {-0.5f, -0.5f, -0.5f, -0.5f}; + + vector float ss = spu_madd(s, tlevel->scale_s, half); + vector float tt = spu_madd(t, tlevel->scale_t, half); + + vector signed int is0 = spu_convts(ss, 0); + vector signed int it0 = spu_convts(tt, 0); + + /* is + 1, it + 1 */ + vector signed int is1 = spu_add(is0, 1); + vector signed int it1 = spu_add(it0, 1); + + /* PIPE_TEX_WRAP_REPEAT */ + is0 = spu_and(is0, tlevel->mask_s); + it0 = spu_and(it0, tlevel->mask_t); + is1 = spu_and(is1, tlevel->mask_s); + it1 = spu_and(it1, tlevel->mask_t); + + /* PIPE_TEX_WRAP_CLAMP */ + is0 = spu_clamp(is0, tlevel->max_s); + it0 = spu_clamp(it0, tlevel->max_t); + is1 = spu_clamp(is1, tlevel->max_s); + it1 = spu_clamp(it1, tlevel->max_t); + + /* get packed int texels */ + vector unsigned int texels[16]; + get_four_texels(tlevel, face, is0, it0, texels + 0); /* upper-left */ + get_four_texels(tlevel, face, is1, it0, texels + 4); /* upper-right */ + get_four_texels(tlevel, face, is0, it1, texels + 8); /* lower-left */ + get_four_texels(tlevel, face, is1, it1, texels + 12); /* lower-right */ + + /* convert packed int texels to float colors */ + vector float ftexels[16]; + spu_unpack_A8R8G8B8_transpose4(texels + 0, ftexels + 0); + spu_unpack_A8R8G8B8_transpose4(texels + 4, ftexels + 4); + spu_unpack_A8R8G8B8_transpose4(texels + 8, ftexels + 8); + spu_unpack_A8R8G8B8_transpose4(texels + 12, ftexels + 12); + + /* Compute weighting factors in [0,1] + * Multiply texcoord by 1024, AND with 1023, convert back to float. + */ + vector float ss1024 = spu_mul(ss, spu_splats(1024.0f)); + vector signed int iss1024 = spu_convts(ss1024, 0); + iss1024 = spu_and(iss1024, 1023); + vector float sWeights0 = spu_convtf(iss1024, 10); + + vector float tt1024 = spu_mul(tt, spu_splats(1024.0f)); + vector signed int itt1024 = spu_convts(tt1024, 0); + itt1024 = spu_and(itt1024, 1023); + vector float tWeights0 = spu_convtf(itt1024, 10); + + /* 1 - sWeight and 1 - tWeight */ + vector float sWeights1 = spu_sub(spu_splats(1.0f), sWeights0); + vector float tWeights1 = spu_sub(spu_splats(1.0f), tWeights0); + + /* reds, for four pixels */ + ftexels[ 0] = spu_mul(ftexels[ 0], spu_mul(sWeights1, tWeights1)); /*ul*/ + ftexels[ 4] = spu_mul(ftexels[ 4], spu_mul(sWeights0, tWeights1)); /*ur*/ + ftexels[ 8] = spu_mul(ftexels[ 8], spu_mul(sWeights1, tWeights0)); /*ll*/ + ftexels[12] = spu_mul(ftexels[12], spu_mul(sWeights0, tWeights0)); /*lr*/ + colors[0] = spu_add(spu_add(ftexels[0], ftexels[4]), + spu_add(ftexels[8], ftexels[12])); + + /* greens, for four pixels */ + ftexels[ 1] = spu_mul(ftexels[ 1], spu_mul(sWeights1, tWeights1)); /*ul*/ + ftexels[ 5] = spu_mul(ftexels[ 5], spu_mul(sWeights0, tWeights1)); /*ur*/ + ftexels[ 9] = spu_mul(ftexels[ 9], spu_mul(sWeights1, tWeights0)); /*ll*/ + ftexels[13] = spu_mul(ftexels[13], spu_mul(sWeights0, tWeights0)); /*lr*/ + colors[1] = spu_add(spu_add(ftexels[1], ftexels[5]), + spu_add(ftexels[9], ftexels[13])); + + /* blues, for four pixels */ + ftexels[ 2] = spu_mul(ftexels[ 2], spu_mul(sWeights1, tWeights1)); /*ul*/ + ftexels[ 6] = spu_mul(ftexels[ 6], spu_mul(sWeights0, tWeights1)); /*ur*/ + ftexels[10] = spu_mul(ftexels[10], spu_mul(sWeights1, tWeights0)); /*ll*/ + ftexels[14] = spu_mul(ftexels[14], spu_mul(sWeights0, tWeights0)); /*lr*/ + colors[2] = spu_add(spu_add(ftexels[2], ftexels[6]), + spu_add(ftexels[10], ftexels[14])); + + /* alphas, for four pixels */ + ftexels[ 3] = spu_mul(ftexels[ 3], spu_mul(sWeights1, tWeights1)); /*ul*/ + ftexels[ 7] = spu_mul(ftexels[ 7], spu_mul(sWeights0, tWeights1)); /*ur*/ + ftexels[11] = spu_mul(ftexels[11], spu_mul(sWeights1, tWeights0)); /*ll*/ + ftexels[15] = spu_mul(ftexels[15], spu_mul(sWeights0, tWeights0)); /*lr*/ + colors[3] = spu_add(spu_add(ftexels[3], ftexels[7]), + spu_add(ftexels[11], ftexels[15])); +} + + + +/** + * Adapted from /opt/cell/sdk/usr/spu/include/transpose_matrix4x4.h + */ +static INLINE void +transpose(vector unsigned int *mOut0, + vector unsigned int *mOut1, + vector unsigned int *mOut2, + vector unsigned int *mOut3, + vector unsigned int *mIn) +{ + vector unsigned int abcd, efgh, ijkl, mnop; /* input vectors */ + vector unsigned int aeim, bfjn, cgko, dhlp; /* output vectors */ + vector unsigned int aibj, ckdl, emfn, gohp; /* intermediate vectors */ + + vector unsigned char shufflehi = ((vector unsigned char) { + 0x00, 0x01, 0x02, 0x03, + 0x10, 0x11, 0x12, 0x13, + 0x04, 0x05, 0x06, 0x07, + 0x14, 0x15, 0x16, 0x17}); + vector unsigned char shufflelo = ((vector unsigned char) { + 0x08, 0x09, 0x0A, 0x0B, + 0x18, 0x19, 0x1A, 0x1B, + 0x0C, 0x0D, 0x0E, 0x0F, + 0x1C, 0x1D, 0x1E, 0x1F}); + abcd = *(mIn+0); + efgh = *(mIn+1); + ijkl = *(mIn+2); + mnop = *(mIn+3); + + aibj = spu_shuffle(abcd, ijkl, shufflehi); + ckdl = spu_shuffle(abcd, ijkl, shufflelo); + emfn = spu_shuffle(efgh, mnop, shufflehi); + gohp = spu_shuffle(efgh, mnop, shufflelo); + + aeim = spu_shuffle(aibj, emfn, shufflehi); + bfjn = spu_shuffle(aibj, emfn, shufflelo); + cgko = spu_shuffle(ckdl, gohp, shufflehi); + dhlp = spu_shuffle(ckdl, gohp, shufflelo); + + *mOut0 = aeim; + *mOut1 = bfjn; + *mOut2 = cgko; + *mOut3 = dhlp; +} + + +/** + * Bilinear filtering, using int instead of float arithmetic for computing + * sample weights. + */ +void +sample_texture_2d_bilinear_int(vector float s, vector float t, + uint unit, uint level, uint face, + vector float colors[4]) +{ + const struct spu_texture_level *tlevel = &spu.texture[unit].level[level]; + static const vector float half = {-0.5f, -0.5f, -0.5f, -0.5f}; + + /* Scale texcoords by size of texture, and add half pixel bias */ + vector float ss = spu_madd(s, tlevel->scale_s, half); + vector float tt = spu_madd(t, tlevel->scale_t, half); + + /* convert float coords to fixed-pt coords with 7 fraction bits */ + vector signed int is = spu_convts(ss, 7); /* XXX really need floor() here */ + vector signed int it = spu_convts(tt, 7); /* XXX really need floor() here */ + + /* compute integer texel weights in [0, 127] */ + vector signed int sWeights0 = spu_and(is, 127); + vector signed int tWeights0 = spu_and(it, 127); + vector signed int sWeights1 = spu_sub(127, sWeights0); + vector signed int tWeights1 = spu_sub(127, tWeights0); + + /* texel coords: is0 = is / 128, it0 = is / 128 */ + vector signed int is0 = spu_rlmask(is, -7); + vector signed int it0 = spu_rlmask(it, -7); + + /* texel coords: i1 = is0 + 1, it1 = it0 + 1 */ + vector signed int is1 = spu_add(is0, 1); + vector signed int it1 = spu_add(it0, 1); + + /* PIPE_TEX_WRAP_REPEAT */ + is0 = spu_and(is0, tlevel->mask_s); + it0 = spu_and(it0, tlevel->mask_t); + is1 = spu_and(is1, tlevel->mask_s); + it1 = spu_and(it1, tlevel->mask_t); + + /* PIPE_TEX_WRAP_CLAMP */ + is0 = spu_clamp(is0, tlevel->max_s); + it0 = spu_clamp(it0, tlevel->max_t); + is1 = spu_clamp(is1, tlevel->max_s); + it1 = spu_clamp(it1, tlevel->max_t); + + /* get packed int texels */ + vector unsigned int texels[16]; + get_four_texels(tlevel, face, is0, it0, texels + 0); /* upper-left */ + get_four_texels(tlevel, face, is1, it0, texels + 4); /* upper-right */ + get_four_texels(tlevel, face, is0, it1, texels + 8); /* lower-left */ + get_four_texels(tlevel, face, is1, it1, texels + 12); /* lower-right */ + + /* twiddle packed 32-bit BGRA pixels into RGBA as four unsigned ints */ + { + static const unsigned char ZERO = 0x80; + int i; + for (i = 0; i < 16; i++) { + texels[i] = spu_shuffle(texels[i], texels[i], + ((vector unsigned char) { + ZERO, ZERO, ZERO, 1, + ZERO, ZERO, ZERO, 2, + ZERO, ZERO, ZERO, 3, + ZERO, ZERO, ZERO, 0})); + } + } + + /* convert RGBA,RGBA,RGBA,RGBA to RRRR,GGGG,BBBB,AAAA */ + vector unsigned int texel0, texel1, texel2, texel3, texel4, texel5, texel6, texel7, + texel8, texel9, texel10, texel11, texel12, texel13, texel14, texel15; + transpose(&texel0, &texel1, &texel2, &texel3, texels + 0); + transpose(&texel4, &texel5, &texel6, &texel7, texels + 4); + transpose(&texel8, &texel9, &texel10, &texel11, texels + 8); + transpose(&texel12, &texel13, &texel14, &texel15, texels + 12); + + /* computed weighted colors */ + vector unsigned int c0, c1, c2, c3, cSum; + + /* red */ + c0 = (vector unsigned int) si_mpy((qword) texel0, si_mpy((qword) sWeights1, (qword) tWeights1)); /*ul*/ + c1 = (vector unsigned int) si_mpy((qword) texel4, si_mpy((qword) sWeights0, (qword) tWeights1)); /*ur*/ + c2 = (vector unsigned int) si_mpy((qword) texel8, si_mpy((qword) sWeights1, (qword) tWeights0)); /*ll*/ + c3 = (vector unsigned int) si_mpy((qword) texel12, si_mpy((qword) sWeights0, (qword) tWeights0)); /*lr*/ + cSum = spu_add(spu_add(c0, c1), spu_add(c2, c3)); + colors[0] = spu_convtf(cSum, 22); + + /* green */ + c0 = (vector unsigned int) si_mpy((qword) texel1, si_mpy((qword) sWeights1, (qword) tWeights1)); /*ul*/ + c1 = (vector unsigned int) si_mpy((qword) texel5, si_mpy((qword) sWeights0, (qword) tWeights1)); /*ur*/ + c2 = (vector unsigned int) si_mpy((qword) texel9, si_mpy((qword) sWeights1, (qword) tWeights0)); /*ll*/ + c3 = (vector unsigned int) si_mpy((qword) texel13, si_mpy((qword) sWeights0, (qword) tWeights0)); /*lr*/ + cSum = spu_add(spu_add(c0, c1), spu_add(c2, c3)); + colors[1] = spu_convtf(cSum, 22); + + /* blue */ + c0 = (vector unsigned int) si_mpy((qword) texel2, si_mpy((qword) sWeights1, (qword) tWeights1)); /*ul*/ + c1 = (vector unsigned int) si_mpy((qword) texel6, si_mpy((qword) sWeights0, (qword) tWeights1)); /*ur*/ + c2 = (vector unsigned int) si_mpy((qword) texel10, si_mpy((qword) sWeights1, (qword) tWeights0)); /*ll*/ + c3 = (vector unsigned int) si_mpy((qword) texel14, si_mpy((qword) sWeights0, (qword) tWeights0)); /*lr*/ + cSum = spu_add(spu_add(c0, c1), spu_add(c2, c3)); + colors[2] = spu_convtf(cSum, 22); + + /* alpha */ + c0 = (vector unsigned int) si_mpy((qword) texel3, si_mpy((qword) sWeights1, (qword) tWeights1)); /*ul*/ + c1 = (vector unsigned int) si_mpy((qword) texel7, si_mpy((qword) sWeights0, (qword) tWeights1)); /*ur*/ + c2 = (vector unsigned int) si_mpy((qword) texel11, si_mpy((qword) sWeights1, (qword) tWeights0)); /*ll*/ + c3 = (vector unsigned int) si_mpy((qword) texel15, si_mpy((qword) sWeights0, (qword) tWeights0)); /*lr*/ + cSum = spu_add(spu_add(c0, c1), spu_add(c2, c3)); + colors[3] = spu_convtf(cSum, 22); +} + + + +/** + * Compute level of detail factor from texcoords. + */ +static INLINE float +compute_lambda_2d(uint unit, vector float s, vector float t) +{ + uint baseLevel = 0; + float width = spu.texture[unit].level[baseLevel].width; + float height = spu.texture[unit].level[baseLevel].width; + float dsdx = width * (spu_extract(s, 1) - spu_extract(s, 0)); + float dsdy = width * (spu_extract(s, 2) - spu_extract(s, 0)); + float dtdx = height * (spu_extract(t, 1) - spu_extract(t, 0)); + float dtdy = height * (spu_extract(t, 2) - spu_extract(t, 0)); +#if 0 + /* ideal value */ + float x = dsdx * dsdx + dtdx * dtdx; + float y = dsdy * dsdy + dtdy * dtdy; + float rho = x > y ? x : y; + rho = sqrtf(rho); +#else + /* approximation */ + dsdx = fabsf(dsdx); + dsdy = fabsf(dsdy); + dtdx = fabsf(dtdx); + dtdy = fabsf(dtdy); + float rho = (dsdx + dsdy + dtdx + dtdy) * 0.5; +#endif + float lambda = logf(rho) * 1.442695f; /* compute logbase2(rho) */ + return lambda; +} + + +/** + * Blend two sets of colors according to weight. + */ +static void +blend_colors(vector float c0[4], const vector float c1[4], float weight) +{ + vector float t = spu_splats(weight); + vector float dc0 = spu_sub(c1[0], c0[0]); + vector float dc1 = spu_sub(c1[1], c0[1]); + vector float dc2 = spu_sub(c1[2], c0[2]); + vector float dc3 = spu_sub(c1[3], c0[3]); + c0[0] = spu_madd(dc0, t, c0[0]); + c0[1] = spu_madd(dc1, t, c0[1]); + c0[2] = spu_madd(dc2, t, c0[2]); + c0[3] = spu_madd(dc3, t, c0[3]); +} + + +/** + * Texture sampling with level of detail selection and possibly mipmap + * interpolation. + */ +void +sample_texture_2d_lod(vector float s, vector float t, + uint unit, uint level_ignored, uint face, + vector float colors[4]) +{ + /* + * Note that we're computing a lambda/lod here that's used for all + * four pixels in the quad. + */ + float lambda = compute_lambda_2d(unit, s, t); + + (void) face; + (void) level_ignored; + + /* apply lod bias */ + lambda += spu.sampler[unit].lod_bias; + + /* clamp */ + if (lambda < spu.sampler[unit].min_lod) + lambda = spu.sampler[unit].min_lod; + else if (lambda > spu.sampler[unit].max_lod) + lambda = spu.sampler[unit].max_lod; + + if (lambda <= 0.0f) { + /* magnify */ + spu.mag_sample_texture_2d[unit](s, t, unit, 0, face, colors); + } + else { + /* minify */ + if (spu.sampler[unit].min_img_filter == PIPE_TEX_FILTER_LINEAR) { + /* sample two mipmap levels and interpolate */ + int level = (int) lambda; + if (level > (int) spu.texture[unit].max_level) + level = spu.texture[unit].max_level; + spu.min_sample_texture_2d[unit](s, t, unit, level, face, colors); + if (spu.sampler[unit].min_img_filter == PIPE_TEX_FILTER_LINEAR) { + /* sample second mipmap level */ + float weight = lambda - (float) level; + level++; + if (level <= (int) spu.texture[unit].max_level) { + vector float colors2[4]; + spu.min_sample_texture_2d[unit](s, t, unit, level, face, colors2); + blend_colors(colors, colors2, weight); + } + } + } + else { + /* sample one mipmap level */ + int level = (int) (lambda + 0.5f); + if (level > (int) spu.texture[unit].max_level) + level = spu.texture[unit].max_level; + spu.min_sample_texture_2d[unit](s, t, unit, level, face, colors); + } + } +} + + +/** XXX need a SIMD version of this */ +static unsigned +choose_cube_face(float rx, float ry, float rz, float *newS, float *newT) +{ + /* + major axis + direction target sc tc ma + ---------- ------------------------------- --- --- --- + +rx TEXTURE_CUBE_MAP_POSITIVE_X_EXT -rz -ry rx + -rx TEXTURE_CUBE_MAP_NEGATIVE_X_EXT +rz -ry rx + +ry TEXTURE_CUBE_MAP_POSITIVE_Y_EXT +rx +rz ry + -ry TEXTURE_CUBE_MAP_NEGATIVE_Y_EXT +rx -rz ry + +rz TEXTURE_CUBE_MAP_POSITIVE_Z_EXT +rx -ry rz + -rz TEXTURE_CUBE_MAP_NEGATIVE_Z_EXT -rx -ry rz + */ + const float arx = fabsf(rx); + const float ary = fabsf(ry); + const float arz = fabsf(rz); + unsigned face; + float sc, tc, ma; + + if (arx > ary && arx > arz) { + if (rx >= 0.0F) { + face = PIPE_TEX_FACE_POS_X; + sc = -rz; + tc = -ry; + ma = arx; + } + else { + face = PIPE_TEX_FACE_NEG_X; + sc = rz; + tc = -ry; + ma = arx; + } + } + else if (ary > arx && ary > arz) { + if (ry >= 0.0F) { + face = PIPE_TEX_FACE_POS_Y; + sc = rx; + tc = rz; + ma = ary; + } + else { + face = PIPE_TEX_FACE_NEG_Y; + sc = rx; + tc = -rz; + ma = ary; + } + } + else { + if (rz > 0.0F) { + face = PIPE_TEX_FACE_POS_Z; + sc = rx; + tc = -ry; + ma = arz; + } + else { + face = PIPE_TEX_FACE_NEG_Z; + sc = -rx; + tc = -ry; + ma = arz; + } + } + + *newS = (sc / ma + 1.0F) * 0.5F; + *newT = (tc / ma + 1.0F) * 0.5F; + + return face; +} + + + +void +sample_texture_cube(vector float s, vector float t, vector float r, + uint unit, vector float colors[4]) +{ + uint p, faces[4], level = 0; + float newS[4], newT[4]; + + /* Compute cube faces referenced by the four sets of texcoords. + * XXX we should SIMD-ize this. + */ + for (p = 0; p < 4; p++) { + float rx = spu_extract(s, p); + float ry = spu_extract(t, p); + float rz = spu_extract(r, p); + faces[p] = choose_cube_face(rx, ry, rz, &newS[p], &newT[p]); + } + + if (faces[0] == faces[1] && + faces[0] == faces[2] && + faces[0] == faces[3]) { + /* GOOD! All four texcoords refer to the same cube face */ + s = (vector float) {newS[0], newS[1], newS[2], newS[3]}; + t = (vector float) {newT[0], newT[1], newT[2], newT[3]}; + spu.sample_texture_2d[unit](s, t, unit, level, faces[0], colors); + } + else { + /* BAD! The four texcoords refer to different faces */ + for (p = 0; p < 4; p++) { + vector float c[4]; + + spu.sample_texture_2d[unit](spu_splats(newS[p]), spu_splats(newT[p]), + unit, level, faces[p], c); + + float red = spu_extract(c[0], p); + float green = spu_extract(c[1], p); + float blue = spu_extract(c[2], p); + float alpha = spu_extract(c[3], p); + + colors[0] = spu_insert(red, colors[0], p); + colors[1] = spu_insert(green, colors[1], p); + colors[2] = spu_insert(blue, colors[2], p); + colors[3] = spu_insert(alpha, colors[3], p); + } + } +} diff --git a/src/gallium/drivers/cell/spu/spu_texture.h b/src/gallium/drivers/cell/spu/spu_texture.h new file mode 100644 index 00000000000..7b75b007b5a --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_texture.h @@ -0,0 +1,67 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef SPU_TEXTURE_H +#define SPU_TEXTURE_H + + +#include "pipe/p_compiler.h" + + +extern void +invalidate_tex_cache(void); + + +extern void +sample_texture_2d_nearest(vector float s, vector float t, + uint unit, uint level, uint face, + vector float colors[4]); + + +extern void +sample_texture_2d_bilinear(vector float s, vector float t, + uint unit, uint level, uint face, + vector float colors[4]); + +extern void +sample_texture_2d_bilinear_int(vector float s, vector float t, + uint unit, uint level, uint face, + vector float colors[4]); + + +extern void +sample_texture_2d_lod(vector float s, vector float t, + uint unit, uint level, uint face, + vector float colors[4]); + + +extern void +sample_texture_cube(vector float s, vector float t, vector float r, + uint unit, vector float colors[4]); + + +#endif /* SPU_TEXTURE_H */ diff --git a/src/gallium/drivers/cell/spu/spu_tile.c b/src/gallium/drivers/cell/spu/spu_tile.c new file mode 100644 index 00000000000..6905015a483 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_tile.c @@ -0,0 +1,126 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + + +#include "spu_tile.h" +#include "spu_main.h" + + +/** + * Get tile of color or Z values from main memory, put into SPU memory. + */ +void +get_tile(uint tx, uint ty, tile_t *tile, int tag, int zBuf) +{ + const uint offset = ty * spu.fb.width_tiles + tx; + const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? spu.fb.zsize : 4); + const ubyte *src = zBuf ? spu.fb.depth_start : spu.fb.color_start; + + src += offset * bytesPerTile; + + ASSERT(tx < spu.fb.width_tiles); + ASSERT(ty < spu.fb.height_tiles); + ASSERT_ALIGN16(tile); + /* + printf("get_tile: dest: %p src: 0x%x size: %d\n", + tile, (unsigned int) src, bytesPerTile); + */ + mfc_get(tile->ui, /* dest in local memory */ + (unsigned int) src, /* src in main memory */ + bytesPerTile, + tag, + 0, /* tid */ + 0 /* rid */); +} + + +/** + * Move tile of color or Z values from SPU memory to main memory. + */ +void +put_tile(uint tx, uint ty, const tile_t *tile, int tag, int zBuf) +{ + const uint offset = ty * spu.fb.width_tiles + tx; + const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? spu.fb.zsize : 4); + ubyte *dst = zBuf ? spu.fb.depth_start : spu.fb.color_start; + + dst += offset * bytesPerTile; + + ASSERT(tx < spu.fb.width_tiles); + ASSERT(ty < spu.fb.height_tiles); + ASSERT_ALIGN16(tile); + /* + printf("SPU %u: put_tile: src: %p dst: 0x%x size: %d\n", + spu.init.id, + tile, (unsigned int) dst, bytesPerTile); + */ + mfc_put((void *) tile->ui, /* src in local memory */ + (unsigned int) dst, /* dst in main memory */ + bytesPerTile, + tag, + 0, /* tid */ + 0 /* rid */); +} + + +/** + * For tiles whose status is TILE_STATUS_CLEAR, write solid-filled + * tiles back to the main framebuffer. + */ +void +really_clear_tiles(uint surfaceIndex) +{ + const uint num_tiles = spu.fb.width_tiles * spu.fb.height_tiles; + uint i; + + if (surfaceIndex == 0) { + clear_c_tile(&spu.ctile); + + for (i = spu.init.id; i < num_tiles; i += spu.init.num_spus) { + uint tx = i % spu.fb.width_tiles; + uint ty = i / spu.fb.width_tiles; + if (spu.ctile_status[ty][tx] == TILE_STATUS_CLEAR) { + put_tile(tx, ty, &spu.ctile, TAG_SURFACE_CLEAR, 0); + } + } + } + else { + clear_z_tile(&spu.ztile); + + for (i = spu.init.id; i < num_tiles; i += spu.init.num_spus) { + uint tx = i % spu.fb.width_tiles; + uint ty = i / spu.fb.width_tiles; + if (spu.ztile_status[ty][tx] == TILE_STATUS_CLEAR) + put_tile(tx, ty, &spu.ctile, TAG_SURFACE_CLEAR, 1); + } + } + +#if 0 + wait_on_mask(1 << TAG_SURFACE_CLEAR); +#endif +} diff --git a/src/gallium/drivers/cell/spu/spu_tile.h b/src/gallium/drivers/cell/spu/spu_tile.h new file mode 100644 index 00000000000..7bfb52be8f3 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_tile.h @@ -0,0 +1,75 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef SPU_TILE_H +#define SPU_TILE_H + + +#include <libmisc.h> +#include <spu_mfcio.h> +#include "spu_main.h" +#include "cell/common.h" + + + +extern void +get_tile(uint tx, uint ty, tile_t *tile, int tag, int zBuf); + +extern void +put_tile(uint tx, uint ty, const tile_t *tile, int tag, int zBuf); + +extern void +really_clear_tiles(uint surfaceIndex); + + +static INLINE void +clear_c_tile(tile_t *ctile) +{ + memset32((uint*) ctile->ui, + spu.fb.color_clear_value, + TILE_SIZE * TILE_SIZE); +} + + +static INLINE void +clear_z_tile(tile_t *ztile) +{ + if (spu.fb.zsize == 2) { + memset16((ushort*) ztile->us, + spu.fb.depth_clear_value, + TILE_SIZE * TILE_SIZE); + } + else { + ASSERT(spu.fb.zsize != 0); + memset32((uint*) ztile->ui, + spu.fb.depth_clear_value, + TILE_SIZE * TILE_SIZE); + } +} + + +#endif /* SPU_TILE_H */ diff --git a/src/gallium/drivers/cell/spu/spu_tri.c b/src/gallium/drivers/cell/spu/spu_tri.c new file mode 100644 index 00000000000..0d9fcb99970 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_tri.c @@ -0,0 +1,809 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * Triangle rendering within a tile. + */ + +#include <transpose_matrix4x4.h> +#include "pipe/p_compiler.h" +#include "pipe/p_format.h" +#include "util/u_math.h" +#include "spu_colorpack.h" +#include "spu_main.h" +#include "spu_shuffle.h" +#include "spu_texture.h" +#include "spu_tile.h" +#include "spu_tri.h" + + +/** Masks are uint[4] vectors with each element being 0 or 0xffffffff */ +typedef vector unsigned int mask_t; + + + +/** + * Simplified types taken from other parts of Gallium + */ +struct vertex_header { + vector float data[1]; +}; + + + +/* XXX fix this */ +#undef CEILF +#define CEILF(X) ((float) (int) ((X) + 0.99999f)) + + +#define QUAD_TOP_LEFT 0 +#define QUAD_TOP_RIGHT 1 +#define QUAD_BOTTOM_LEFT 2 +#define QUAD_BOTTOM_RIGHT 3 +#define MASK_TOP_LEFT (1 << QUAD_TOP_LEFT) +#define MASK_TOP_RIGHT (1 << QUAD_TOP_RIGHT) +#define MASK_BOTTOM_LEFT (1 << QUAD_BOTTOM_LEFT) +#define MASK_BOTTOM_RIGHT (1 << QUAD_BOTTOM_RIGHT) +#define MASK_ALL 0xf + + +#define DEBUG_VERTS 0 + +/** + * Triangle edge info + */ +struct edge { + union { + struct { + float dx; /**< X(v1) - X(v0), used only during setup */ + float dy; /**< Y(v1) - Y(v0), used only during setup */ + }; + vec_float4 ds; /**< vector accessor for dx and dy */ + }; + float dxdy; /**< dx/dy */ + float sx, sy; /**< first sample point coord */ + int lines; /**< number of lines on this edge */ +}; + + +struct interp_coef +{ + vector float a0; + vector float dadx; + vector float dady; +}; + + +/** + * Triangle setup info (derived from draw_stage). + * Also used for line drawing (taking some liberties). + */ +struct setup_stage { + + /* Vertices are just an array of floats making up each attribute in + * turn. Currently fixed at 4 floats, but should change in time. + * Codegen will help cope with this. + */ + union { + struct { + const struct vertex_header *vmin; + const struct vertex_header *vmid; + const struct vertex_header *vmax; + const struct vertex_header *vprovoke; + }; + qword vertex_headers; + }; + + struct edge ebot; + struct edge etop; + struct edge emaj; + + float oneOverArea; /* XXX maybe make into vector? */ + + uint facing; + + uint tx, ty; /**< position of current tile (x, y) */ + + int cliprect_minx, cliprect_maxx, cliprect_miny, cliprect_maxy; + + struct interp_coef coef[PIPE_MAX_SHADER_INPUTS]; + + struct { + vec_int4 quad; /**< [0] = row0, [1] = row1; {left[0],left[1],right[0],right[1]} */ + int y; + unsigned y_flags; + unsigned mask; /**< mask of MASK_BOTTOM/TOP_LEFT/RIGHT bits */ + } span; +}; + + +static struct setup_stage setup; + + +/** + * Evaluate attribute coefficients (plane equations) to compute + * attribute values for the four fragments in a quad. + * Eg: four colors will be computed (in AoS format). + */ +static INLINE void +eval_coeff(uint slot, float x, float y, vector float w, vector float result[4]) +{ + switch (spu.vertex_info.attrib[slot].interp_mode) { + case INTERP_CONSTANT: + result[QUAD_TOP_LEFT] = + result[QUAD_TOP_RIGHT] = + result[QUAD_BOTTOM_LEFT] = + result[QUAD_BOTTOM_RIGHT] = setup.coef[slot].a0; + break; + case INTERP_LINEAR: + { + vector float dadx = setup.coef[slot].dadx; + vector float dady = setup.coef[slot].dady; + vector float topLeft = + spu_add(setup.coef[slot].a0, + spu_add(spu_mul(spu_splats(x), dadx), + spu_mul(spu_splats(y), dady))); + + result[QUAD_TOP_LEFT] = topLeft; + result[QUAD_TOP_RIGHT] = spu_add(topLeft, dadx); + result[QUAD_BOTTOM_LEFT] = spu_add(topLeft, dady); + result[QUAD_BOTTOM_RIGHT] = spu_add(spu_add(topLeft, dadx), dady); + } + break; + case INTERP_PERSPECTIVE: + { + vector float dadx = setup.coef[slot].dadx; + vector float dady = setup.coef[slot].dady; + vector float topLeft = + spu_add(setup.coef[slot].a0, + spu_add(spu_mul(spu_splats(x), dadx), + spu_mul(spu_splats(y), dady))); + + vector float wInv = spu_re(w); /* 1.0 / w */ + + result[QUAD_TOP_LEFT] = spu_mul(topLeft, wInv); + result[QUAD_TOP_RIGHT] = spu_mul(spu_add(topLeft, dadx), wInv); + result[QUAD_BOTTOM_LEFT] = spu_mul(spu_add(topLeft, dady), wInv); + result[QUAD_BOTTOM_RIGHT] = spu_mul(spu_add(spu_add(topLeft, dadx), dady), wInv); + } + break; + case INTERP_POS: + case INTERP_NONE: + break; + default: + ASSERT(0); + } +} + + +/** + * As above, but return 4 vectors in SOA format. + * XXX this will all be re-written someday. + */ +static INLINE void +eval_coeff_soa(uint slot, float x, float y, vector float w, vector float result[4]) +{ + eval_coeff(slot, x, y, w, result); + _transpose_matrix4x4(result, result); +} + + +/** Evalute coefficients to get Z for four pixels in a quad */ +static INLINE vector float +eval_z(float x, float y) +{ + const uint slot = 0; + const float dzdx = spu_extract(setup.coef[slot].dadx, 2); + const float dzdy = spu_extract(setup.coef[slot].dady, 2); + const float topLeft = spu_extract(setup.coef[slot].a0, 2) + x * dzdx + y * dzdy; + const vector float topLeftv = spu_splats(topLeft); + const vector float derivs = (vector float) { 0.0, dzdx, dzdy, dzdx + dzdy }; + return spu_add(topLeftv, derivs); +} + + +/** Evalute coefficients to get W for four pixels in a quad */ +static INLINE vector float +eval_w(float x, float y) +{ + const uint slot = 0; + const float dwdx = spu_extract(setup.coef[slot].dadx, 3); + const float dwdy = spu_extract(setup.coef[slot].dady, 3); + const float topLeft = spu_extract(setup.coef[slot].a0, 3) + x * dwdx + y * dwdy; + const vector float topLeftv = spu_splats(topLeft); + const vector float derivs = (vector float) { 0.0, dwdx, dwdy, dwdx + dwdy }; + return spu_add(topLeftv, derivs); +} + + +/** + * Emit a quad (pass to next stage). No clipping is done. + * Note: about 1/5 to 1/7 of the time, mask is zero and this function + * should be skipped. But adding the test for that slows things down + * overall. + */ +static INLINE void +emit_quad( int x, int y, mask_t mask) +{ + /* If any bits in mask are set... */ + if (spu_extract(spu_orx(mask), 0)) { + const int ix = x - setup.cliprect_minx; + const int iy = y - setup.cliprect_miny; + + spu.cur_ctile_status = TILE_STATUS_DIRTY; + spu.cur_ztile_status = TILE_STATUS_DIRTY; + + { + /* + * Run fragment shader, execute per-fragment ops, update fb/tile. + */ + vector float inputs[4*4], outputs[2*4]; + vector float fragZ = eval_z((float) x, (float) y); + vector float fragW = eval_w((float) x, (float) y); + vector unsigned int kill_mask; + + /* setup inputs */ +#if 0 + eval_coeff_soa(1, (float) x, (float) y, fragW, inputs); +#else + uint i; + for (i = 0; i < spu.vertex_info.num_attribs; i++) { + eval_coeff_soa(i+1, (float) x, (float) y, fragW, inputs + i * 4); + } +#endif + ASSERT(spu.fragment_program); + ASSERT(spu.fragment_ops); + + /* Execute the current fragment program */ + kill_mask = spu.fragment_program(inputs, outputs, spu.constants); + + mask = spu_andc(mask, kill_mask); + + /* Execute per-fragment/quad operations, including: + * alpha test, z test, stencil test, blend and framebuffer writing. + * Note that there are two different fragment operations functions + * that can be called, one for front-facing fragments, and one + * for back-facing fragments. (Often the two are the same; + * but in some cases, like two-sided stenciling, they can be + * very different.) So choose the correct function depending + * on the calculated facing. + */ + spu.fragment_ops[setup.facing](ix, iy, &spu.ctile, &spu.ztile, + fragZ, + outputs[0*4+0], + outputs[0*4+1], + outputs[0*4+2], + outputs[0*4+3], + mask); + } + } +} + + +/** + * Given an X or Y coordinate, return the block/quad coordinate that it + * belongs to. + */ +static INLINE int +block(int x) +{ + return x & ~1; +} + + +/** + * Render a horizontal span of quads + */ +static void +flush_spans(void) +{ + int minleft, maxright; + + const int l0 = spu_extract(setup.span.quad, 0); + const int l1 = spu_extract(setup.span.quad, 1); + const int r0 = spu_extract(setup.span.quad, 2); + const int r1 = spu_extract(setup.span.quad, 3); + + switch (setup.span.y_flags) { + case 0x3: + /* both odd and even lines written (both quad rows) */ + minleft = MIN2(l0, l1); + maxright = MAX2(r0, r1); + break; + + case 0x1: + /* only even line written (quad top row) */ + minleft = l0; + maxright = r0; + break; + + case 0x2: + /* only odd line written (quad bottom row) */ + minleft = l1; + maxright = r1; + break; + + default: + return; + } + + /* OK, we're very likely to need the tile data now. + * clear or finish waiting if needed. + */ + if (spu.cur_ctile_status == TILE_STATUS_GETTING) { + /* wait for mfc_get() to complete */ + //printf("SPU: %u: waiting for ctile\n", spu.init.id); + wait_on_mask(1 << TAG_READ_TILE_COLOR); + spu.cur_ctile_status = TILE_STATUS_CLEAN; + } + else if (spu.cur_ctile_status == TILE_STATUS_CLEAR) { + //printf("SPU %u: clearing C tile %u, %u\n", spu.init.id, setup.tx, setup.ty); + clear_c_tile(&spu.ctile); + spu.cur_ctile_status = TILE_STATUS_DIRTY; + } + ASSERT(spu.cur_ctile_status != TILE_STATUS_DEFINED); + + if (spu.read_depth_stencil) { + if (spu.cur_ztile_status == TILE_STATUS_GETTING) { + /* wait for mfc_get() to complete */ + //printf("SPU: %u: waiting for ztile\n", spu.init.id); + wait_on_mask(1 << TAG_READ_TILE_Z); + spu.cur_ztile_status = TILE_STATUS_CLEAN; + } + else if (spu.cur_ztile_status == TILE_STATUS_CLEAR) { + //printf("SPU %u: clearing Z tile %u, %u\n", spu.init.id, setup.tx, setup.ty); + clear_z_tile(&spu.ztile); + spu.cur_ztile_status = TILE_STATUS_DIRTY; + } + ASSERT(spu.cur_ztile_status != TILE_STATUS_DEFINED); + } + + /* XXX this loop could be moved into the above switch cases... */ + + /* Setup for mask calculation */ + const vec_int4 quad_LlRr = setup.span.quad; + const vec_int4 quad_RrLl = spu_rlqwbyte(quad_LlRr, 8); + const vec_int4 quad_LLll = spu_shuffle(quad_LlRr, quad_LlRr, SHUFFLE4(A,A,B,B)); + const vec_int4 quad_RRrr = spu_shuffle(quad_RrLl, quad_RrLl, SHUFFLE4(A,A,B,B)); + + const vec_int4 twos = spu_splats(2); + + const int x = block(minleft); + vec_int4 xs = {x, x+1, x, x+1}; + + for (; spu_extract(xs, 0) <= block(maxright); xs += twos) { + /** + * Computes mask to indicate which pixels in the 2x2 quad are actually + * inside the triangle's bounds. + */ + + /* Calculate ({x,x+1,x,x+1} >= {l[0],l[0],l[1],l[1]}) */ + const mask_t gt_LLll_xs = spu_cmpgt(quad_LLll, xs); + const mask_t gte_xs_LLll = spu_nand(gt_LLll_xs, gt_LLll_xs); + + /* Calculate ({r[0],r[0],r[1],r[1]} > {x,x+1,x,x+1}) */ + const mask_t gt_RRrr_xs = spu_cmpgt(quad_RRrr, xs); + + /* Combine results to create mask */ + const mask_t mask = spu_and(gte_xs_LLll, gt_RRrr_xs); + + emit_quad(spu_extract(xs, 0), setup.span.y, mask); + } + + setup.span.y = 0; + setup.span.y_flags = 0; + /* Zero right elements */ + setup.span.quad = spu_shuffle(setup.span.quad, setup.span.quad, SHUFFLE4(A,B,0,0)); +} + + +#if DEBUG_VERTS +static void +print_vertex(const struct vertex_header *v) +{ + uint i; + fprintf(stderr, " Vertex: (%p)\n", v); + for (i = 0; i < spu.vertex_info.num_attribs; i++) { + fprintf(stderr, " %d: %f %f %f %f\n", i, + spu_extract(v->data[i], 0), + spu_extract(v->data[i], 1), + spu_extract(v->data[i], 2), + spu_extract(v->data[i], 3)); + } +} +#endif + + +/** + * Sort vertices from top to bottom. + * Compute area and determine front vs. back facing. + * Do coarse clip test against tile bounds + * \return FALSE if tri is totally outside tile, TRUE otherwise + */ +static boolean +setup_sort_vertices(const struct vertex_header *v0, + const struct vertex_header *v1, + const struct vertex_header *v2) +{ + float area, sign; + +#if DEBUG_VERTS + if (spu.init.id==0) { + fprintf(stderr, "SPU %u: Triangle:\n", spu.init.id); + print_vertex(v0); + print_vertex(v1); + print_vertex(v2); + } +#endif + + /* determine bottom to top order of vertices */ + { + /* A table of shuffle patterns for putting vertex_header pointers into + correct order. Quite magical. */ + const vec_uchar16 sort_order_patterns[] = { + SHUFFLE4(A,B,C,C), + SHUFFLE4(C,A,B,C), + SHUFFLE4(A,C,B,C), + SHUFFLE4(B,C,A,C), + SHUFFLE4(B,A,C,C), + SHUFFLE4(C,B,A,C) }; + + /* The vertex_header pointers, packed for easy shuffling later */ + const vec_uint4 vs = {(unsigned)v0, (unsigned)v1, (unsigned)v2}; + + /* Collate y values into two vectors for comparison. + Using only one shuffle constant! ;) */ + const vec_float4 y_02_ = spu_shuffle(v0->data[0], v2->data[0], SHUFFLE4(0,B,b,C)); + const vec_float4 y_10_ = spu_shuffle(v1->data[0], v0->data[0], SHUFFLE4(0,B,b,C)); + const vec_float4 y_012 = spu_shuffle(y_02_, v1->data[0], SHUFFLE4(0,B,b,C)); + const vec_float4 y_120 = spu_shuffle(y_10_, v2->data[0], SHUFFLE4(0,B,b,C)); + + /* Perform comparison: {y0,y1,y2} > {y1,y2,y0} */ + const vec_uint4 compare = spu_cmpgt(y_012, y_120); + /* Compress the result of the comparison into 4 bits */ + const vec_uint4 gather = spu_gather(compare); + /* Subtract one to attain the index into the LUT. Magical. */ + const unsigned int index = spu_extract(gather, 0) - 1; + + /* Load the appropriate pattern and construct the desired vector. */ + setup.vertex_headers = (qword)spu_shuffle(vs, vs, sort_order_patterns[index]); + + /* Using the result of the comparison, set sign. + Very magical. */ + sign = ((si_to_uint(si_cntb((qword)gather)) == 2) ? 1.0f : -1.0f); + } + + /* Check if triangle is completely outside the tile bounds */ + if (spu_extract(setup.vmin->data[0], 1) > setup.cliprect_maxy) + return FALSE; + if (spu_extract(setup.vmax->data[0], 1) < setup.cliprect_miny) + return FALSE; + if (spu_extract(setup.vmin->data[0], 0) < setup.cliprect_minx && + spu_extract(setup.vmid->data[0], 0) < setup.cliprect_minx && + spu_extract(setup.vmax->data[0], 0) < setup.cliprect_minx) + return FALSE; + if (spu_extract(setup.vmin->data[0], 0) > setup.cliprect_maxx && + spu_extract(setup.vmid->data[0], 0) > setup.cliprect_maxx && + spu_extract(setup.vmax->data[0], 0) > setup.cliprect_maxx) + return FALSE; + + setup.ebot.ds = spu_sub(setup.vmid->data[0], setup.vmin->data[0]); + setup.emaj.ds = spu_sub(setup.vmax->data[0], setup.vmin->data[0]); + setup.etop.ds = spu_sub(setup.vmax->data[0], setup.vmid->data[0]); + + /* + * Compute triangle's area. Use 1/area to compute partial + * derivatives of attributes later. + */ + area = setup.emaj.dx * setup.ebot.dy - setup.ebot.dx * setup.emaj.dy; + + setup.oneOverArea = 1.0f / area; + + /* The product of area * sign indicates front/back orientation (0/1). + * Just in case someone gets the bright idea of switching the front + * and back constants without noticing that we're assuming their + * values in this operation, also assert that the values are + * what we think they are. + */ + ASSERT(CELL_FACING_FRONT == 0); + ASSERT(CELL_FACING_BACK == 1); + setup.facing = (area * sign > 0.0f) + ^ (spu.rasterizer.front_winding == PIPE_WINDING_CW); + + return TRUE; +} + + +/** + * Compute a0 for a constant-valued coefficient (GL_FLAT shading). + * The value value comes from vertex->data[slot]. + * The result will be put into setup.coef[slot].a0. + * \param slot which attribute slot + */ +static INLINE void +const_coeff4(uint slot) +{ + setup.coef[slot].dadx = (vector float) {0.0, 0.0, 0.0, 0.0}; + setup.coef[slot].dady = (vector float) {0.0, 0.0, 0.0, 0.0}; + setup.coef[slot].a0 = setup.vprovoke->data[slot]; +} + + +/** + * As above, but interp setup all four vector components. + */ +static INLINE void +tri_linear_coeff4(uint slot) +{ + const vector float vmin_d = setup.vmin->data[slot]; + const vector float vmid_d = setup.vmid->data[slot]; + const vector float vmax_d = setup.vmax->data[slot]; + const vector float xxxx = spu_splats(spu_extract(setup.vmin->data[0], 0) - 0.5f); + const vector float yyyy = spu_splats(spu_extract(setup.vmin->data[0], 1) - 0.5f); + + vector float botda = vmid_d - vmin_d; + vector float majda = vmax_d - vmin_d; + + vector float a = spu_sub(spu_mul(spu_splats(setup.ebot.dy), majda), + spu_mul(botda, spu_splats(setup.emaj.dy))); + vector float b = spu_sub(spu_mul(spu_splats(setup.emaj.dx), botda), + spu_mul(majda, spu_splats(setup.ebot.dx))); + + setup.coef[slot].dadx = spu_mul(a, spu_splats(setup.oneOverArea)); + setup.coef[slot].dady = spu_mul(b, spu_splats(setup.oneOverArea)); + + vector float tempx = spu_mul(setup.coef[slot].dadx, xxxx); + vector float tempy = spu_mul(setup.coef[slot].dady, yyyy); + + setup.coef[slot].a0 = spu_sub(vmin_d, spu_add(tempx, tempy)); +} + + +/** + * Compute a0, dadx and dady for a perspective-corrected interpolant, + * for a triangle. + * We basically multiply the vertex value by 1/w before computing + * the plane coefficients (a0, dadx, dady). + * Later, when we compute the value at a particular fragment position we'll + * divide the interpolated value by the interpolated W at that fragment. + */ +static void +tri_persp_coeff4(uint slot) +{ + const vector float xxxx = spu_splats(spu_extract(setup.vmin->data[0], 0) - 0.5f); + const vector float yyyy = spu_splats(spu_extract(setup.vmin->data[0], 1) - 0.5f); + + const vector float vmin_w = spu_splats(spu_extract(setup.vmin->data[0], 3)); + const vector float vmid_w = spu_splats(spu_extract(setup.vmid->data[0], 3)); + const vector float vmax_w = spu_splats(spu_extract(setup.vmax->data[0], 3)); + + vector float vmin_d = setup.vmin->data[slot]; + vector float vmid_d = setup.vmid->data[slot]; + vector float vmax_d = setup.vmax->data[slot]; + + vmin_d = spu_mul(vmin_d, vmin_w); + vmid_d = spu_mul(vmid_d, vmid_w); + vmax_d = spu_mul(vmax_d, vmax_w); + + vector float botda = vmid_d - vmin_d; + vector float majda = vmax_d - vmin_d; + + vector float a = spu_sub(spu_mul(spu_splats(setup.ebot.dy), majda), + spu_mul(botda, spu_splats(setup.emaj.dy))); + vector float b = spu_sub(spu_mul(spu_splats(setup.emaj.dx), botda), + spu_mul(majda, spu_splats(setup.ebot.dx))); + + setup.coef[slot].dadx = spu_mul(a, spu_splats(setup.oneOverArea)); + setup.coef[slot].dady = spu_mul(b, spu_splats(setup.oneOverArea)); + + vector float tempx = spu_mul(setup.coef[slot].dadx, xxxx); + vector float tempy = spu_mul(setup.coef[slot].dady, yyyy); + + setup.coef[slot].a0 = spu_sub(vmin_d, spu_add(tempx, tempy)); +} + + + +/** + * Compute the setup.coef[] array dadx, dady, a0 values. + * Must be called after setup.vmin,vmid,vmax,vprovoke are initialized. + */ +static void +setup_tri_coefficients(void) +{ + uint i; + + for (i = 0; i < spu.vertex_info.num_attribs; i++) { + switch (spu.vertex_info.attrib[i].interp_mode) { + case INTERP_NONE: + break; + case INTERP_CONSTANT: + const_coeff4(i); + break; + case INTERP_POS: + /* fall-through */ + case INTERP_LINEAR: + tri_linear_coeff4(i); + break; + case INTERP_PERSPECTIVE: + tri_persp_coeff4(i); + break; + default: + ASSERT(0); + } + } +} + + +static void +setup_tri_edges(void) +{ + float vmin_x = spu_extract(setup.vmin->data[0], 0) + 0.5f; + float vmid_x = spu_extract(setup.vmid->data[0], 0) + 0.5f; + + float vmin_y = spu_extract(setup.vmin->data[0], 1) - 0.5f; + float vmid_y = spu_extract(setup.vmid->data[0], 1) - 0.5f; + float vmax_y = spu_extract(setup.vmax->data[0], 1) - 0.5f; + + setup.emaj.sy = CEILF(vmin_y); + setup.emaj.lines = (int) CEILF(vmax_y - setup.emaj.sy); + setup.emaj.dxdy = setup.emaj.dx / setup.emaj.dy; + setup.emaj.sx = vmin_x + (setup.emaj.sy - vmin_y) * setup.emaj.dxdy; + + setup.etop.sy = CEILF(vmid_y); + setup.etop.lines = (int) CEILF(vmax_y - setup.etop.sy); + setup.etop.dxdy = setup.etop.dx / setup.etop.dy; + setup.etop.sx = vmid_x + (setup.etop.sy - vmid_y) * setup.etop.dxdy; + + setup.ebot.sy = CEILF(vmin_y); + setup.ebot.lines = (int) CEILF(vmid_y - setup.ebot.sy); + setup.ebot.dxdy = setup.ebot.dx / setup.ebot.dy; + setup.ebot.sx = vmin_x + (setup.ebot.sy - vmin_y) * setup.ebot.dxdy; +} + + +/** + * Render the upper or lower half of a triangle. + * Scissoring/cliprect is applied here too. + */ +static void +subtriangle(struct edge *eleft, struct edge *eright, unsigned lines) +{ + const int minx = setup.cliprect_minx; + const int maxx = setup.cliprect_maxx; + const int miny = setup.cliprect_miny; + const int maxy = setup.cliprect_maxy; + int y, start_y, finish_y; + int sy = (int)eleft->sy; + + ASSERT((int)eleft->sy == (int) eright->sy); + + /* clip top/bottom */ + start_y = sy; + finish_y = sy + lines; + + if (start_y < miny) + start_y = miny; + + if (finish_y > maxy) + finish_y = maxy; + + start_y -= sy; + finish_y -= sy; + + /* + _mesa_printf("%s %d %d\n", __FUNCTION__, start_y, finish_y); + */ + + for (y = start_y; y < finish_y; y++) { + + /* avoid accumulating adds as floats don't have the precision to + * accurately iterate large triangle edges that way. luckily we + * can just multiply these days. + * + * this is all drowned out by the attribute interpolation anyway. + */ + int left = (int)(eleft->sx + y * eleft->dxdy); + int right = (int)(eright->sx + y * eright->dxdy); + + /* clip left/right */ + if (left < minx) + left = minx; + if (right > maxx) + right = maxx; + + if (left < right) { + int _y = sy + y; + if (block(_y) != setup.span.y) { + flush_spans(); + setup.span.y = block(_y); + } + + int offset = _y&1; + vec_int4 quad_LlRr = {left, left, right, right}; + /* Store left and right in 0 or 1 row of quad based on offset */ + setup.span.quad = spu_sel(quad_LlRr, setup.span.quad, spu_maskw(5<<offset)); + setup.span.y_flags |= 1<<offset; + } + } + + + /* save the values so that emaj can be restarted: + */ + eleft->sx += lines * eleft->dxdy; + eright->sx += lines * eright->dxdy; + eleft->sy += lines; + eright->sy += lines; +} + + +/** + * Draw triangle into tile at (tx, ty) (tile coords) + * The tile data should have already been fetched. + */ +boolean +tri_draw(const float *v0, const float *v1, const float *v2, + uint tx, uint ty) +{ + setup.tx = tx; + setup.ty = ty; + + /* set clipping bounds to tile bounds */ + setup.cliprect_minx = tx * TILE_SIZE; + setup.cliprect_miny = ty * TILE_SIZE; + setup.cliprect_maxx = (tx + 1) * TILE_SIZE; + setup.cliprect_maxy = (ty + 1) * TILE_SIZE; + + if (!setup_sort_vertices((struct vertex_header *) v0, + (struct vertex_header *) v1, + (struct vertex_header *) v2)) { + return FALSE; /* totally clipped */ + } + + setup_tri_coefficients(); + setup_tri_edges(); + + setup.span.y = 0; + setup.span.y_flags = 0; + /* Zero right elements */ + setup.span.quad = spu_shuffle(setup.span.quad, setup.span.quad, SHUFFLE4(A,B,0,0)); + + if (setup.oneOverArea < 0.0) { + /* emaj on left */ + subtriangle( &setup.emaj, &setup.ebot, setup.ebot.lines ); + subtriangle( &setup.emaj, &setup.etop, setup.etop.lines ); + } + else { + /* emaj on right */ + subtriangle( &setup.ebot, &setup.emaj, setup.ebot.lines ); + subtriangle( &setup.etop, &setup.emaj, setup.etop.lines ); + } + + flush_spans(); + + return TRUE; +} diff --git a/src/gallium/drivers/cell/spu/spu_tri.h b/src/gallium/drivers/cell/spu/spu_tri.h new file mode 100644 index 00000000000..aa694dd7c93 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_tri.h @@ -0,0 +1,37 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + +#ifndef SPU_TRI_H +#define SPU_TRI_H + + +extern boolean +tri_draw(const float *v0, const float *v1, const float *v2, uint tx, uint ty); + + +#endif /* SPU_TRI_H */ diff --git a/src/gallium/drivers/cell/spu/spu_util.c b/src/gallium/drivers/cell/spu/spu_util.c new file mode 100644 index 00000000000..b8a0d4a265f --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_util.c @@ -0,0 +1,167 @@ + +#include "cell/common.h" +#include "pipe/p_shader_tokens.h" +#include "pipe/p_debug.h" +#include "tgsi/tgsi_parse.h" +//#include "tgsi_build.h" +#include "tgsi/tgsi_util.h" + +unsigned +tgsi_util_get_src_register_swizzle( + const struct tgsi_src_register *reg, + unsigned component ) +{ + switch( component ) { + case 0: + return reg->SwizzleX; + case 1: + return reg->SwizzleY; + case 2: + return reg->SwizzleZ; + case 3: + return reg->SwizzleW; + default: + ASSERT( 0 ); + } + return 0; +} + +unsigned +tgsi_util_get_src_register_extswizzle( + const struct tgsi_src_register_ext_swz *reg, + unsigned component ) +{ + switch( component ) { + case 0: + return reg->ExtSwizzleX; + case 1: + return reg->ExtSwizzleY; + case 2: + return reg->ExtSwizzleZ; + case 3: + return reg->ExtSwizzleW; + default: + ASSERT( 0 ); + } + return 0; +} + +unsigned +tgsi_util_get_full_src_register_extswizzle( + const struct tgsi_full_src_register *reg, + unsigned component ) +{ + unsigned swizzle; + + /* + * First, calculate the extended swizzle for a given channel. This will give + * us either a channel index into the simple swizzle or a constant 1 or 0. + */ + swizzle = tgsi_util_get_src_register_extswizzle( + ®->SrcRegisterExtSwz, + component ); + + ASSERT (TGSI_SWIZZLE_X == TGSI_EXTSWIZZLE_X); + ASSERT (TGSI_SWIZZLE_Y == TGSI_EXTSWIZZLE_Y); + ASSERT (TGSI_SWIZZLE_Z == TGSI_EXTSWIZZLE_Z); + ASSERT (TGSI_SWIZZLE_W == TGSI_EXTSWIZZLE_W); + ASSERT (TGSI_EXTSWIZZLE_ZERO > TGSI_SWIZZLE_W); + ASSERT (TGSI_EXTSWIZZLE_ONE > TGSI_SWIZZLE_W); + + /* + * Second, calculate the simple swizzle for the unswizzled channel index. + * Leave the constants intact, they are not affected by the simple swizzle. + */ + if( swizzle <= TGSI_SWIZZLE_W ) { + swizzle = tgsi_util_get_src_register_swizzle( + ®->SrcRegister, + component ); + } + + return swizzle; +} + +unsigned +tgsi_util_get_src_register_extnegate( + const struct tgsi_src_register_ext_swz *reg, + unsigned component ) +{ + switch( component ) { + case 0: + return reg->NegateX; + case 1: + return reg->NegateY; + case 2: + return reg->NegateZ; + case 3: + return reg->NegateW; + default: + ASSERT( 0 ); + } + return 0; +} + +void +tgsi_util_set_src_register_extnegate( + struct tgsi_src_register_ext_swz *reg, + unsigned negate, + unsigned component ) +{ + switch( component ) { + case 0: + reg->NegateX = negate; + break; + case 1: + reg->NegateY = negate; + break; + case 2: + reg->NegateZ = negate; + break; + case 3: + reg->NegateW = negate; + break; + default: + ASSERT( 0 ); + } +} + +unsigned +tgsi_util_get_full_src_register_sign_mode( + const struct tgsi_full_src_register *reg, + unsigned component ) +{ + unsigned sign_mode; + + if( reg->SrcRegisterExtMod.Absolute ) { + /* Consider only the post-abs negation. */ + + if( reg->SrcRegisterExtMod.Negate ) { + sign_mode = TGSI_UTIL_SIGN_SET; + } + else { + sign_mode = TGSI_UTIL_SIGN_CLEAR; + } + } + else { + /* Accumulate the three negations. */ + + unsigned negate; + + negate = reg->SrcRegister.Negate; + if( tgsi_util_get_src_register_extnegate( ®->SrcRegisterExtSwz, component ) ) { + negate = !negate; + } + if( reg->SrcRegisterExtMod.Negate ) { + negate = !negate; + } + + if( negate ) { + sign_mode = TGSI_UTIL_SIGN_TOGGLE; + } + else { + sign_mode = TGSI_UTIL_SIGN_KEEP; + } + } + + return sign_mode; +} diff --git a/src/gallium/drivers/cell/spu/spu_vertex_fetch.c b/src/gallium/drivers/cell/spu/spu_vertex_fetch.c new file mode 100644 index 00000000000..03375d84a57 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_vertex_fetch.c @@ -0,0 +1,145 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * (C) Copyright IBM Corporation 2008 + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell <[email protected]> + * Ian Romanick <[email protected]> + */ + +#include "pipe/p_state.h" +#include "pipe/p_shader_tokens.h" +#include "spu_exec.h" +#include "spu_vertex_shader.h" +#include "spu_main.h" +#include "spu_dcache.h" + +typedef void (*spu_fetch_func)(qword *out, const qword *in, + const qword *shuffle_data); + + +static const qword fetch_shuffle_data[5] ALIGN16_ATTRIB = { + /* Shuffle used by CVT_64_FLOAT + */ + { + 0x00, 0x01, 0x02, 0x03, 0x10, 0x11, 0x12, 0x13, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + }, + + /* Shuffle used by CVT_8_USCALED and CVT_8_SSCALED + */ + { + 0x00, 0x80, 0x80, 0x80, 0x01, 0x80, 0x80, 0x80, + 0x02, 0x80, 0x80, 0x80, 0x03, 0x80, 0x80, 0x80, + }, + + /* Shuffle used by CVT_16_USCALED and CVT_16_SSCALED + */ + { + 0x00, 0x01, 0x80, 0x80, 0x02, 0x03, 0x80, 0x80, + 0x04, 0x05, 0x80, 0x80, 0x06, 0x07, 0x80, 0x80, + }, + + /* High value shuffle used by trans4x4. + */ + { + 0x00, 0x01, 0x02, 0x03, 0x10, 0x11, 0x12, 0x13, + 0x04, 0x05, 0x06, 0x07, 0x14, 0x15, 0x16, 0x17 + }, + + /* Low value shuffle used by trans4x4. + */ + { + 0x08, 0x09, 0x0A, 0x0B, 0x18, 0x19, 0x1A, 0x1B, + 0x0C, 0x0D, 0x0E, 0x0F, 0x1C, 0x1D, 0x1E, 0x1F + } +}; + + +/** + * Fetch vertex attributes for 'count' vertices. + */ +static void generic_vertex_fetch(struct spu_vs_context *draw, + struct spu_exec_machine *machine, + const unsigned *elts, + unsigned count) +{ + unsigned nr_attrs = draw->vertex_fetch.nr_attrs; + unsigned attr; + + ASSERT(count <= 4); + +#if DRAW_DBG + printf("SPU: %s count = %u, nr_attrs = %u\n", + __FUNCTION__, count, nr_attrs); +#endif + + /* loop over vertex attributes (vertex shader inputs) + */ + for (attr = 0; attr < nr_attrs; attr++) { + const unsigned pitch = draw->vertex_fetch.pitch[attr]; + const uint64_t src = draw->vertex_fetch.src_ptr[attr]; + const spu_fetch_func fetch = (spu_fetch_func) + (draw->vertex_fetch.code + draw->vertex_fetch.code_offset[attr]); + unsigned i; + unsigned idx; + const unsigned bytes_per_entry = draw->vertex_fetch.size[attr]; + const unsigned quads_per_entry = (bytes_per_entry + 15) / 16; + qword in[2 * 4] ALIGN16_ATTRIB; + + + /* Fetch four attributes for four vertices. + */ + idx = 0; + for (i = 0; i < count; i++) { + const uint64_t addr = src + (elts[i] * pitch); + +#if DRAW_DBG + printf("SPU: fetching = 0x%llx\n", addr); +#endif + + spu_dcache_fetch_unaligned(& in[idx], addr, bytes_per_entry); + idx += quads_per_entry; + } + + /* Be nice and zero out any missing vertices. + */ + (void) memset(& in[idx], 0, (8 - idx) * sizeof(qword)); + + + /* Convert all 4 vertices to vectors of float. + */ + (*fetch)(&machine->Inputs[attr].xyzw[0].q, in, fetch_shuffle_data); + } +} + + +void spu_update_vertex_fetch( struct spu_vs_context *draw ) +{ + draw->vertex_fetch.fetch_func = generic_vertex_fetch; +} diff --git a/src/gallium/drivers/cell/spu/spu_vertex_shader.c b/src/gallium/drivers/cell/spu/spu_vertex_shader.c new file mode 100644 index 00000000000..fbe5b34d397 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_vertex_shader.c @@ -0,0 +1,244 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell <[email protected]> + * Brian Paul + * Ian Romanick <[email protected]> + */ + +#include <spu_mfcio.h> + +#include "pipe/p_state.h" +#include "pipe/p_shader_tokens.h" +#include "util/u_math.h" +#include "draw/draw_private.h" +#include "draw/draw_context.h" +#include "cell/common.h" +#include "spu_vertex_shader.h" +#include "spu_exec.h" +#include "spu_main.h" + + +#define MAX_VERTEX_SIZE ((2 + PIPE_MAX_SHADER_OUTPUTS) * 4 * sizeof(float)) + + +#define CLIP_RIGHT_BIT 0x01 +#define CLIP_LEFT_BIT 0x02 +#define CLIP_TOP_BIT 0x04 +#define CLIP_BOTTOM_BIT 0x08 +#define CLIP_FAR_BIT 0x10 +#define CLIP_NEAR_BIT 0x20 + + +static INLINE float +dot4(const float *a, const float *b) +{ + return (a[0]*b[0] + + a[1]*b[1] + + a[2]*b[2] + + a[3]*b[3]); +} + +static INLINE unsigned +compute_clipmask(const float *clip, /*const*/ float plane[][4], unsigned nr) +{ + unsigned mask = 0; + unsigned i; + + /* Do the hardwired planes first: + */ + if (-clip[0] + clip[3] < 0) mask |= CLIP_RIGHT_BIT; + if ( clip[0] + clip[3] < 0) mask |= CLIP_LEFT_BIT; + if (-clip[1] + clip[3] < 0) mask |= CLIP_TOP_BIT; + if ( clip[1] + clip[3] < 0) mask |= CLIP_BOTTOM_BIT; + if (-clip[2] + clip[3] < 0) mask |= CLIP_FAR_BIT; + if ( clip[2] + clip[3] < 0) mask |= CLIP_NEAR_BIT; + + /* Followed by any remaining ones: + */ + for (i = 6; i < nr; i++) { + if (dot4(clip, plane[i]) < 0) + mask |= (1<<i); + } + + return mask; +} + + +/** + * Transform vertices with the current vertex program/shader + * Up to four vertices can be shaded at a time. + * \param vbuffer the input vertex data + * \param elts indexes of four input vertices + * \param count number of vertices to shade [1..4] + * \param vOut array of pointers to four output vertices + */ +static void +run_vertex_program(struct spu_vs_context *draw, + unsigned elts[4], unsigned count, + const uint64_t *vOut) +{ + struct spu_exec_machine *machine = &draw->machine; + unsigned int j; + + ALIGN16_DECL(struct spu_exec_vector, inputs, PIPE_MAX_ATTRIBS); + ALIGN16_DECL(struct spu_exec_vector, outputs, PIPE_MAX_ATTRIBS); + const float *scale = draw->viewport.scale; + const float *trans = draw->viewport.translate; + + ASSERT(count <= 4); + + machine->Processor = TGSI_PROCESSOR_VERTEX; + + ASSERT_ALIGN16(draw->constants); + machine->Consts = (float (*)[4]) draw->constants; + + machine->Inputs = ALIGN16_ASSIGN(inputs); + machine->Outputs = ALIGN16_ASSIGN(outputs); + + spu_vertex_fetch( draw, machine, elts, count ); + + /* run shader */ + spu_exec_machine_run( machine ); + + + /* store machine results */ + for (j = 0; j < count; j++) { + unsigned slot; + float x, y, z, w; + unsigned char buffer[sizeof(struct vertex_header) + + MAX_VERTEX_SIZE] ALIGN16_ATTRIB; + struct vertex_header *const tmpOut = + (struct vertex_header *) buffer; + const unsigned vert_size = ROUNDUP16(sizeof(struct vertex_header) + + (sizeof(float) * 4 + * draw->num_vs_outputs)); + + mfc_get(tmpOut, vOut[j], vert_size, TAG_VERTEX_BUFFER, 0, 0); + wait_on_mask(1 << TAG_VERTEX_BUFFER); + + + /* Handle attr[0] (position) specially: + * + * XXX: Computing the clipmask should be done in the vertex + * program as a set of DP4 instructions appended to the + * user-provided code. + */ + x = tmpOut->clip[0] = machine->Outputs[0].xyzw[0].f[j]; + y = tmpOut->clip[1] = machine->Outputs[0].xyzw[1].f[j]; + z = tmpOut->clip[2] = machine->Outputs[0].xyzw[2].f[j]; + w = tmpOut->clip[3] = machine->Outputs[0].xyzw[3].f[j]; + + tmpOut->clipmask = compute_clipmask(tmpOut->clip, draw->plane, + draw->nr_planes); + tmpOut->edgeflag = 1; + + /* divide by w */ + w = 1.0f / w; + x *= w; + y *= w; + z *= w; + + /* Viewport mapping */ + tmpOut->data[0][0] = x * scale[0] + trans[0]; + tmpOut->data[0][1] = y * scale[1] + trans[1]; + tmpOut->data[0][2] = z * scale[2] + trans[2]; + tmpOut->data[0][3] = w; + + /* Remaining attributes are packed into sequential post-transform + * vertex attrib slots. + */ + for (slot = 1; slot < draw->num_vs_outputs; slot++) { + tmpOut->data[slot][0] = machine->Outputs[slot].xyzw[0].f[j]; + tmpOut->data[slot][1] = machine->Outputs[slot].xyzw[1].f[j]; + tmpOut->data[slot][2] = machine->Outputs[slot].xyzw[2].f[j]; + tmpOut->data[slot][3] = machine->Outputs[slot].xyzw[3].f[j]; + } + + mfc_put(tmpOut, vOut[j], vert_size, TAG_VERTEX_BUFFER, 0, 0); + } /* loop over vertices */ +} + + +unsigned char immediates[(sizeof(float) * 4 * TGSI_EXEC_NUM_IMMEDIATES) + 32] + ALIGN16_ATTRIB; + + +void +spu_bind_vertex_shader(struct spu_vs_context *draw, + struct cell_shader_info *vs) +{ + const unsigned immediate_addr = vs->immediates; + const unsigned immediate_size = + ROUNDUP16((sizeof(float) * 4 * vs->num_immediates) + + (immediate_addr & 0x0f)); + + + mfc_get(immediates, immediate_addr & ~0x0f, immediate_size, + TAG_VERTEX_BUFFER, 0, 0); + + draw->machine.Instructions = (struct tgsi_full_instruction *) + vs->instructions; + draw->machine.NumInstructions = vs->num_instructions; + + draw->machine.Declarations = (struct tgsi_full_declaration *) + vs->declarations; + draw->machine.NumDeclarations = vs->num_declarations; + + draw->num_vs_outputs = vs->num_outputs; + + /* specify the shader to interpret/execute */ + spu_exec_machine_init(&draw->machine, + PIPE_MAX_SAMPLERS, + NULL /*samplers*/, + PIPE_SHADER_VERTEX); + + wait_on_mask(1 << TAG_VERTEX_BUFFER); + + (void) memcpy(& draw->machine.Imms, &immediates[immediate_addr & 0x0f], + sizeof(float) * 4 * vs->num_immediates); +} + + +void +spu_execute_vertex_shader(struct spu_vs_context *draw, + const struct cell_command_vs *vs) +{ + unsigned i; + + (void) memcpy(draw->plane, vs->plane, sizeof(float) * 4 * vs->nr_planes); + draw->nr_planes = vs->nr_planes; + draw->vertex_fetch.nr_attrs = vs->nr_attrs; + + for (i = 0; i < vs->num_elts; i += 4) { + const unsigned batch_size = MIN2(vs->num_elts - i, 4); + + run_vertex_program(draw, & vs->elts[i], batch_size, &vs->vOut[i]); + } +} diff --git a/src/gallium/drivers/cell/spu/spu_vertex_shader.h b/src/gallium/drivers/cell/spu/spu_vertex_shader.h new file mode 100644 index 00000000000..4c74f5e74d5 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_vertex_shader.h @@ -0,0 +1,66 @@ +#ifndef SPU_VERTEX_SHADER_H +#define SPU_VERTEX_SHADER_H + +#include "cell/common.h" +#include "pipe/p_format.h" +#include "spu_exec.h" + +struct spu_vs_context; + +typedef void (*spu_full_fetch_func)( struct spu_vs_context *draw, + struct spu_exec_machine *machine, + const unsigned *elts, + unsigned count ); + +struct spu_vs_context { + struct pipe_viewport_state viewport; + + struct { + uint64_t src_ptr[PIPE_MAX_ATTRIBS]; + unsigned pitch[PIPE_MAX_ATTRIBS]; + unsigned size[PIPE_MAX_ATTRIBS]; + unsigned code_offset[PIPE_MAX_ATTRIBS]; + unsigned nr_attrs; + boolean dirty; + + spu_full_fetch_func fetch_func; + void *code; + } vertex_fetch; + + /* Clip derived state: + */ + float plane[12][4]; + unsigned nr_planes; + + struct spu_exec_machine machine; + const float (*constants)[4]; + + unsigned num_vs_outputs; +}; + +extern void spu_update_vertex_fetch(struct spu_vs_context *draw); + +static INLINE void spu_vertex_fetch(struct spu_vs_context *draw, + struct spu_exec_machine *machine, + const unsigned *elts, + unsigned count) +{ + if (draw->vertex_fetch.dirty) { + spu_update_vertex_fetch(draw); + draw->vertex_fetch.dirty = 0; + } + + (*draw->vertex_fetch.fetch_func)(draw, machine, elts, count); +} + +struct cell_command_vs; + +extern void +spu_bind_vertex_shader(struct spu_vs_context *draw, + struct cell_shader_info *vs); + +extern void +spu_execute_vertex_shader(struct spu_vs_context *draw, + const struct cell_command_vs *vs); + +#endif /* SPU_VERTEX_SHADER_H */ |