diff options
author | Michal Krol <[email protected]> | 2010-03-10 15:49:30 +0100 |
---|---|---|
committer | Michal Krol <[email protected]> | 2010-03-10 15:49:30 +0100 |
commit | 3ce4375912c8ea488460e593e07c5bb15b92dca9 (patch) | |
tree | 1011fa439bd829fd46a44fd99478135848800e73 /src/gallium/drivers/cell | |
parent | f59f28093ea827bd234d8e1a36bdd56a9fce5f09 (diff) | |
parent | 9b348d0ed125a22be3f318ac60cef6f201edfdab (diff) |
Merge branch 'master' into gallium-sampler-view
Conflicts:
src/gallium/auxiliary/Makefile
src/gallium/auxiliary/SConscript
src/gallium/auxiliary/tgsi/tgsi_exec.c
src/gallium/auxiliary/util/u_blitter.c
src/gallium/drivers/i915/i915_context.h
src/gallium/drivers/i965/brw_context.h
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/nv50/nv50_context.h
src/gallium/drivers/nv50/nv50_state_validate.c
src/gallium/drivers/nv50/nv50_tex.c
src/gallium/drivers/r300/r300_blit.c
src/gallium/drivers/r300/r300_context.h
src/gallium/drivers/r300/r300_emit.c
src/gallium/drivers/r300/r300_state.c
src/gallium/drivers/softpipe/sp_context.h
src/gallium/drivers/svga/svga_context.h
src/gallium/drivers/svga/svga_pipe_sampler.c
Diffstat (limited to 'src/gallium/drivers/cell')
22 files changed, 448 insertions, 173 deletions
diff --git a/src/gallium/drivers/cell/ppu/Makefile b/src/gallium/drivers/cell/ppu/Makefile index c92f8e5cba2..8769b826b5f 100644 --- a/src/gallium/drivers/cell/ppu/Makefile +++ b/src/gallium/drivers/cell/ppu/Makefile @@ -21,6 +21,7 @@ SPU_CODE_MODULE = ../spu/g3d_spu.a SOURCES = \ cell_batch.c \ + cell_buffer.c \ cell_clear.c \ cell_context.c \ cell_draw_arrays.c \ diff --git a/src/gallium/drivers/cell/ppu/cell_buffer.c b/src/gallium/drivers/cell/ppu/cell_buffer.c new file mode 100644 index 00000000000..f56a28d62e2 --- /dev/null +++ b/src/gallium/drivers/cell/ppu/cell_buffer.c @@ -0,0 +1,118 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * 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 VMWARE 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 "util/u_inlines.h" +#include "util/u_memory.h" +#include "util/u_math.h" + +#include "cell_screen.h" +#include "cell_buffer.h" + + +static void * +cell_buffer_map(struct pipe_screen *screen, + struct pipe_buffer *buf, + unsigned flags) +{ + struct cell_buffer *cell_buf = cell_buffer(buf); + return cell_buf->data; +} + + +static void +cell_buffer_unmap(struct pipe_screen *screen, + struct pipe_buffer *buf) +{ +} + + +static void +cell_buffer_destroy(struct pipe_buffer *buf) +{ + struct cell_buffer *sbuf = cell_buffer(buf); + + if (!sbuf->userBuffer) + align_free(sbuf->data); + + FREE(sbuf); +} + + +static struct pipe_buffer * +cell_buffer_create(struct pipe_screen *screen, + unsigned alignment, + unsigned usage, + unsigned size) +{ + struct cell_buffer *buffer = CALLOC_STRUCT(cell_buffer); + + pipe_reference_init(&buffer->base.reference, 1); + buffer->base.screen = screen; + buffer->base.alignment = MAX2(alignment, 16); + buffer->base.usage = usage; + buffer->base.size = size; + + buffer->data = align_malloc(size, alignment); + + return &buffer->base; +} + + +/** + * Create buffer which wraps user-space data. + */ +static struct pipe_buffer * +cell_user_buffer_create(struct pipe_screen *screen, + void *ptr, + unsigned bytes) +{ + struct cell_buffer *buffer; + + buffer = CALLOC_STRUCT(cell_buffer); + if(!buffer) + return NULL; + + pipe_reference_init(&buffer->base.reference, 1); + buffer->base.screen = screen; + buffer->base.size = bytes; + buffer->userBuffer = TRUE; + buffer->data = ptr; + + return &buffer->base; +} + + +void +cell_init_screen_buffer_funcs(struct pipe_screen *screen) +{ + screen->buffer_create = cell_buffer_create; + screen->user_buffer_create = cell_user_buffer_create; + screen->buffer_map = cell_buffer_map; + screen->buffer_unmap = cell_buffer_unmap; + screen->buffer_destroy = cell_buffer_destroy; +} diff --git a/src/gallium/drivers/cell/ppu/cell_winsys.h b/src/gallium/drivers/cell/ppu/cell_buffer.h index e227e065ff3..ef0a8a70e59 100644 --- a/src/gallium/drivers/cell/ppu/cell_winsys.h +++ b/src/gallium/drivers/cell/ppu/cell_buffer.h @@ -1,8 +1,8 @@ /************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * + * Copyright 2009 VMware, Inc. * 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 @@ -10,38 +10,46 @@ * 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 + * IN NO EVENT SHALL VMWARE 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 CELL_WINSYS_H -#define CELL_WINSYS_H +#ifndef SP_BUFFER_H +#define SP_BUFFER_H #include "pipe/p_compiler.h" +#include "pipe/p_state.h" -/** - * Very simple winsys at this time. - * Will probably eventually add SPU control info. - */ -struct cell_winsys +struct cell_buffer { - uint dummy; + struct pipe_buffer base; + boolean userBuffer; /** Is this a user-space buffer? */ + void *data; }; +/** Cast wrapper */ +static INLINE struct cell_buffer * +cell_buffer( struct pipe_buffer *buf ) +{ + return (struct cell_buffer *)buf; +} + + +void +cell_init_screen_buffer_funcs(struct pipe_screen *screen); -#endif +#endif /* SP_BUFFER_H */ diff --git a/src/gallium/drivers/cell/ppu/cell_context.c b/src/gallium/drivers/cell/ppu/cell_context.c index 5bff9869fd0..afcea616d59 100644 --- a/src/gallium/drivers/cell/ppu/cell_context.c +++ b/src/gallium/drivers/cell/ppu/cell_context.c @@ -36,7 +36,6 @@ #include "pipe/p_defines.h" #include "pipe/p_format.h" #include "util/u_memory.h" -#include "util/u_simple_screen.h" #include "pipe/p_screen.h" #include "draw/draw_context.h" @@ -137,7 +136,7 @@ cell_create_context(struct pipe_screen *screen, memset(cell, 0, sizeof(*cell)); cell->winsys = NULL; /* XXX: fixme - get this from screen? */ - cell->pipe.winsys = screen->winsys; + cell->pipe.winsys = NULL; cell->pipe.screen = screen; cell->pipe.priv = priv; cell->pipe.destroy = cell_destroy_context; diff --git a/src/gallium/drivers/cell/ppu/cell_context.h b/src/gallium/drivers/cell/ppu/cell_context.h index 0724da9a7aa..4d87f9a038a 100644 --- a/src/gallium/drivers/cell/ppu/cell_context.h +++ b/src/gallium/drivers/cell/ppu/cell_context.h @@ -34,7 +34,7 @@ #include "pipe/p_defines.h" #include "draw/draw_vertex.h" #include "draw/draw_vbuf.h" -#include "cell_winsys.h" +/*#include "cell_winsys.h"*/ #include "cell/common.h" #include "rtasm/rtasm_ppc_spe.h" #include "tgsi/tgsi_scan.h" @@ -93,6 +93,11 @@ struct cell_buffer_list struct cell_buffer_node *head; }; +struct cell_velems_state +{ + unsigned count; + struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS]; +} /** * Per-context state, subclass of pipe_context. @@ -110,6 +115,7 @@ struct cell_context const struct pipe_rasterizer_state *rasterizer; const struct cell_vertex_shader_state *vs; const struct cell_fragment_shader_state *fs; + const struct cell_velems_state *velems; struct spe_function logic_op; @@ -126,8 +132,6 @@ struct cell_context struct pipe_viewport_state viewport; struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; uint num_vertex_buffers; - struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS]; - uint num_vertex_elements; ubyte *cbuf_map[PIPE_MAX_COLOR_BUFS]; ubyte *zsbuf_map; diff --git a/src/gallium/drivers/cell/ppu/cell_draw_arrays.c b/src/gallium/drivers/cell/ppu/cell_draw_arrays.c index bffd0fac6fe..15d4e8338f4 100644 --- a/src/gallium/drivers/cell/ppu/cell_draw_arrays.c +++ b/src/gallium/drivers/cell/ppu/cell_draw_arrays.c @@ -33,48 +33,18 @@ #include "pipe/p_defines.h" #include "pipe/p_context.h" -#include "util/u_simple_screen.h" #include "util/u_inlines.h" #include "cell_context.h" #include "cell_draw_arrays.h" #include "cell_state.h" #include "cell_flush.h" +#include "cell_buffer.h" #include "draw/draw_context.h" -static void -cell_map_constant_buffers(struct cell_context *sp) -{ - struct pipe_winsys *ws = sp->pipe.winsys; - uint i; - for (i = 0; i < 2; i++) { - if (sp->constants[i] && sp->constants[i]->size) { - sp->mapped_constants[i] = ws->buffer_map(ws, sp->constants[i], - PIPE_BUFFER_USAGE_CPU_READ); - cell_flush_buffer_range(sp, sp->mapped_constants[i], - sp->constants[i]->size); - } - } - - draw_set_mapped_constant_buffer(sp->draw, PIPE_SHADER_VERTEX, 0, - sp->mapped_constants[PIPE_SHADER_VERTEX], - sp->constants[PIPE_SHADER_VERTEX]->size); -} - -static void -cell_unmap_constant_buffers(struct cell_context *sp) -{ - struct pipe_winsys *ws = sp->pipe.winsys; - uint i; - for (i = 0; i < 2; i++) { - if (sp->constants[i] && sp->constants[i]->size) - ws->buffer_unmap(ws, sp->constants[i]); - sp->mapped_constants[i] = NULL; - } -} @@ -93,33 +63,27 @@ cell_draw_range_elements(struct pipe_context *pipe, unsigned max_index, unsigned mode, unsigned start, unsigned count) { - struct cell_context *sp = cell_context(pipe); - struct draw_context *draw = sp->draw; + struct cell_context *cell = cell_context(pipe); + struct draw_context *draw = cell->draw; unsigned i; - if (sp->dirty) - cell_update_derived( sp ); + if (cell->dirty) + cell_update_derived( cell ); #if 0 - cell_map_surfaces(sp); + cell_map_surfaces(cell); #endif - cell_map_constant_buffers(sp); /* * Map vertex buffers */ - for (i = 0; i < sp->num_vertex_buffers; i++) { - void *buf = pipe_buffer_map(pipe->screen, - sp->vertex_buffer[i].buffer, - PIPE_BUFFER_USAGE_CPU_READ); - cell_flush_buffer_range(sp, buf, sp->vertex_buffer[i].buffer->size); + for (i = 0; i < cell->num_vertex_buffers; i++) { + void *buf = cell_buffer(cell->vertex_buffer[i].buffer)->data; draw_set_mapped_vertex_buffer(draw, i, buf); } /* Map index buffer, if present */ if (indexBuffer) { - void *mapped_indexes = pipe_buffer_map(pipe->screen, - indexBuffer, - PIPE_BUFFER_USAGE_CPU_READ); + void *mapped_indexes = cell_buffer(indexBuffer)->data; draw_set_mapped_element_buffer(draw, indexSize, mapped_indexes); } else { @@ -134,17 +98,19 @@ cell_draw_range_elements(struct pipe_context *pipe, /* * unmap vertex/index buffers - will cause draw module to flush */ - for (i = 0; i < sp->num_vertex_buffers; i++) { + for (i = 0; i < cell->num_vertex_buffers; i++) { draw_set_mapped_vertex_buffer(draw, i, NULL); - pipe_buffer_unmap(pipe->screen, sp->vertex_buffer[i].buffer); } if (indexBuffer) { draw_set_mapped_element_buffer(draw, 0, NULL); - pipe_buffer_unmap(pipe->screen, indexBuffer); } - /* Note: leave drawing surfaces mapped */ - cell_unmap_constant_buffers(sp); + /* + * TODO: Flush only when a user vertex/index buffer is present + * (or even better, modify draw module to do this + * internally when this condition is seen?) + */ + draw_flush(draw); } diff --git a/src/gallium/drivers/cell/ppu/cell_fence.c b/src/gallium/drivers/cell/ppu/cell_fence.c index e10071529a8..035ef41b898 100644 --- a/src/gallium/drivers/cell/ppu/cell_fence.c +++ b/src/gallium/drivers/cell/ppu/cell_fence.c @@ -92,7 +92,6 @@ cell_add_buffer_to_list(struct cell_context *cell, struct cell_buffer_list *list, struct pipe_buffer *buffer) { - struct pipe_screen *ps = cell->pipe.screen; struct cell_buffer_node *node = CALLOC_STRUCT(cell_buffer_node); /* create new list node which references the buffer, insert at head */ if (node) { @@ -157,8 +156,13 @@ cell_add_fenced_textures(struct cell_context *cell) printf("Adding texture %p buffer %p to list\n", ct, ct->tiled_buffer[level]); #endif - if (ct->buffer) +#if 00 + /* XXX this needs to be fixed/restored! + * Maybe keep pointers to textures, not buffers. + */ + if (ct->base.buffer) cell_add_buffer_to_list(cell, list, ct->buffer); +#endif } } } diff --git a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c index 70683bb3676..576d514741d 100644 --- a/src/gallium/drivers/cell/ppu/cell_gen_fragment.c +++ b/src/gallium/drivers/cell/ppu/cell_gen_fragment.c @@ -304,7 +304,7 @@ unpack_colors(struct spe_function *f, spe_comment(f, 0, "Unpack framebuffer colors, convert to floats"); switch (color_format) { - case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_B8G8R8A8_UNORM: /* fbB = fbRGBA & mask */ spe_and(f, fbB_reg, fbRGBA_reg, mask0_reg); @@ -327,7 +327,7 @@ unpack_colors(struct spe_function *f, spe_roti(f, fbA_reg, fbA_reg, -24); break; - case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_A8R8G8B8_UNORM: /* fbA = fbRGBA & mask */ spe_and(f, fbA_reg, fbRGBA_reg, mask0_reg); @@ -1043,12 +1043,12 @@ gen_pack_colors(struct spe_function *f, spe_rotmi(f, a_reg, a_reg, -24); /* Shift the color bytes according to the surface format */ - if (color_format == PIPE_FORMAT_A8R8G8B8_UNORM) { + if (color_format == PIPE_FORMAT_B8G8R8A8_UNORM) { spe_roti(f, g_reg, g_reg, 8); /* green <<= 8 */ spe_roti(f, r_reg, r_reg, 16); /* red <<= 16 */ spe_roti(f, a_reg, a_reg, 24); /* alpha <<= 24 */ } - else if (color_format == PIPE_FORMAT_B8G8R8A8_UNORM) { + else if (color_format == PIPE_FORMAT_A8R8G8B8_UNORM) { spe_roti(f, r_reg, r_reg, 8); /* red <<= 8 */ spe_roti(f, g_reg, g_reg, 16); /* green <<= 16 */ spe_roti(f, b_reg, b_reg, 24); /* blue <<= 24 */ @@ -1096,14 +1096,14 @@ gen_colormask(struct spe_function *f, * end up, so we can mask them correctly. */ switch(color_format) { - case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_B8G8R8A8_UNORM: /* ARGB */ a_mask = 0xff000000; r_mask = 0x00ff0000; g_mask = 0x0000ff00; b_mask = 0x000000ff; break; - case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_A8R8G8B8_UNORM: /* BGRA */ b_mask = 0xff000000; g_mask = 0x00ff0000; @@ -1859,8 +1859,8 @@ gen_depth_stencil(struct cell_context *cell, spe_comment(f, 0, "Fetch Z/stencil quad from tile"); switch(zs_format) { - case PIPE_FORMAT_S8Z24_UNORM: /* fall through */ - case PIPE_FORMAT_X8Z24_UNORM: + case PIPE_FORMAT_Z24S8_UNORM: /* fall through */ + case PIPE_FORMAT_Z24X8_UNORM: /* prepare mask to extract Z vals from ZS vals */ spe_load_uint(f, zmask_reg, 0x00ffffff); @@ -1880,8 +1880,8 @@ gen_depth_stencil(struct cell_context *cell, spe_rotmi(f, fbS_reg, fbZS_reg, -24); break; - case PIPE_FORMAT_Z24S8_UNORM: /* fall through */ - case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_S8Z24_UNORM: /* fall through */ + case PIPE_FORMAT_X8Z24_UNORM: /* convert fragment Z from [0,1] to 32-bit ints */ spe_cfltu(f, fragZ_reg, fragZ_reg, 32); @@ -1969,13 +1969,13 @@ gen_depth_stencil(struct cell_context *cell, * fbS_reg has four 8-bit Z values in bits [7..0]. */ spe_comment(f, 0, "Store quad's depth/stencil values in tile"); - if (zs_format == PIPE_FORMAT_S8Z24_UNORM || - zs_format == PIPE_FORMAT_X8Z24_UNORM) { + if (zs_format == PIPE_FORMAT_Z24S8_UNORM || + zs_format == PIPE_FORMAT_Z24X8_UNORM) { spe_shli(f, fbS_reg, fbS_reg, 24); /* fbS = fbS << 24 */ spe_or(f, fbZS_reg, fbS_reg, fbZ_reg); /* fbZS = fbS | fbZ */ } - else if (zs_format == PIPE_FORMAT_Z24S8_UNORM || - zs_format == PIPE_FORMAT_Z24X8_UNORM) { + else if (zs_format == PIPE_FORMAT_S8Z24_UNORM || + zs_format == PIPE_FORMAT_X8Z24_UNORM) { spe_shli(f, fbZ_reg, fbZ_reg, 8); /* fbZ = fbZ << 8 */ spe_or(f, fbZS_reg, fbS_reg, fbZ_reg); /* fbZS = fbS | fbZ */ } @@ -2015,7 +2015,7 @@ gen_depth_stencil(struct cell_context *cell, * code before the fragment shader to cull fragments/quads that are * totally occluded/discarded. * - * XXX we only support PIPE_FORMAT_Z24S8_UNORM z/stencil buffer right now. + * XXX we only support PIPE_FORMAT_S8Z24_UNORM z/stencil buffer right now. * * See the spu_default_fragment_ops() function to see how the per-fragment * operations would be done with ordinary C code. diff --git a/src/gallium/drivers/cell/ppu/cell_pipe_state.c b/src/gallium/drivers/cell/ppu/cell_pipe_state.c index e1cf9dbbee8..2fc82933e4d 100644 --- a/src/gallium/drivers/cell/ppu/cell_pipe_state.c +++ b/src/gallium/drivers/cell/ppu/cell_pipe_state.c @@ -323,17 +323,23 @@ cell_sampler_view_destroy(struct pipe_context *pipe, static void cell_map_surfaces(struct cell_context *cell) { +#if 0 struct pipe_screen *screen = cell->pipe.screen; +#endif uint i; for (i = 0; i < 1; i++) { struct pipe_surface *ps = cell->framebuffer.cbufs[i]; if (ps) { struct cell_texture *ct = cell_texture(ps->texture); +#if 0 cell->cbuf_map[i] = screen->buffer_map(screen, ct->buffer, (PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE)); +#else + cell->cbuf_map[i] = ct->data; +#endif } } @@ -341,10 +347,14 @@ cell_map_surfaces(struct cell_context *cell) struct pipe_surface *ps = cell->framebuffer.zsbuf; if (ps) { struct cell_texture *ct = cell_texture(ps->texture); +#if 0 cell->zsbuf_map = screen->buffer_map(screen, ct->buffer, (PIPE_BUFFER_USAGE_GPU_READ | PIPE_BUFFER_USAGE_GPU_WRITE)); +#else + cell->zsbuf_map = ct->data; +#endif } } } @@ -356,17 +366,17 @@ cell_map_surfaces(struct cell_context *cell) static void cell_unmap_surfaces(struct cell_context *cell) { - struct pipe_screen *screen = cell->pipe.screen; + /*struct pipe_screen *screen = cell->pipe.screen;*/ uint i; for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { struct pipe_surface *ps = cell->framebuffer.cbufs[i]; if (ps && cell->cbuf_map[i]) { - struct cell_texture *ct = cell_texture(ps->texture); + /*struct cell_texture *ct = cell_texture(ps->texture);*/ assert(ps->texture); - assert(ct->buffer); + /*assert(ct->buffer);*/ - screen->buffer_unmap(screen, ct->buffer); + /*screen->buffer_unmap(screen, ct->buffer);*/ cell->cbuf_map[i] = NULL; } } @@ -374,8 +384,8 @@ cell_unmap_surfaces(struct cell_context *cell) { struct pipe_surface *ps = cell->framebuffer.zsbuf; if (ps && cell->zsbuf_map) { - struct cell_texture *ct = cell_texture(ps->texture); - screen->buffer_unmap(screen, ct->buffer); + /*struct cell_texture *ct = cell_texture(ps->texture);*/ + /*screen->buffer_unmap(screen, ct->buffer);*/ cell->zsbuf_map = NULL; } } diff --git a/src/gallium/drivers/cell/ppu/cell_public.h b/src/gallium/drivers/cell/ppu/cell_public.h new file mode 100644 index 00000000000..7e2e093565d --- /dev/null +++ b/src/gallium/drivers/cell/ppu/cell_public.h @@ -0,0 +1,10 @@ +#ifndef CELL_PUBLIC_H +#define CELL_PUBLIC_H + +struct pipe_screen; +struct sw_winsys; + +struct pipe_screen * +cell_create_screen(struct sw_winsys *winsys); + +#endif diff --git a/src/gallium/drivers/cell/ppu/cell_screen.c b/src/gallium/drivers/cell/ppu/cell_screen.c index 449855f539d..31fd963d19a 100644 --- a/src/gallium/drivers/cell/ppu/cell_screen.c +++ b/src/gallium/drivers/cell/ppu/cell_screen.c @@ -28,7 +28,6 @@ #include "util/u_memory.h" #include "util/u_simple_screen.h" -#include "util/u_simple_screen.h" #include "pipe/p_defines.h" #include "pipe/p_screen.h" @@ -36,7 +35,10 @@ #include "cell_context.h" #include "cell_screen.h" #include "cell_texture.h" -#include "cell_winsys.h" +#include "cell_buffer.h" +#include "cell_public.h" + +#include "state_tracker/sw_winsys.h" static const char * @@ -134,19 +136,28 @@ cell_is_format_supported( struct pipe_screen *screen, unsigned tex_usage, unsigned geom_flags ) { - /* cell supports most formats, XXX for now anyway */ + struct sw_winsys *winsys = cell_screen(screen)->winsys; + if (format == PIPE_FORMAT_DXT5_RGBA || - format == PIPE_FORMAT_R8G8B8A8_SRGB) + format == PIPE_FORMAT_A8B8G8R8_SRGB) return FALSE; - else - return TRUE; + + if (tex_usage & PIPE_TEXTURE_USAGE_DISPLAY_TARGET) { + if (!winsys->is_displaytarget_format_supported(winsys, format)) + return FALSE; + } + + /* This is often a lie. Pull in logic from llvmpipe to fix. + */ + return TRUE; } static void cell_destroy_screen( struct pipe_screen *screen ) { - struct pipe_winsys *winsys = screen->winsys; + struct cell_screen *sp_screen = cell_screen(screen); + struct sw_winsys *winsys = sp_screen->winsys; if(winsys->destroy) winsys->destroy(winsys); @@ -155,32 +166,34 @@ cell_destroy_screen( struct pipe_screen *screen ) } + /** * Create a new pipe_screen object * Note: we're not presently subclassing pipe_screen (no cell_screen) but * that would be the place to put SPU thread/context info... */ struct pipe_screen * -cell_create_screen(struct pipe_winsys *winsys) +cell_create_screen(struct sw_winsys *winsys) { - struct pipe_screen *screen = CALLOC_STRUCT(pipe_screen); + struct cell_screen *screen = CALLOC_STRUCT(cell_screen); if (!screen) return NULL; screen->winsys = winsys; + screen->base.winsys = NULL; - screen->destroy = cell_destroy_screen; + screen->base.destroy = cell_destroy_screen; - screen->get_name = cell_get_name; - screen->get_vendor = cell_get_vendor; - screen->get_param = cell_get_param; - screen->get_paramf = cell_get_paramf; - screen->is_format_supported = cell_is_format_supported; - screen->context_create = cell_create_context; + screen->base.get_name = cell_get_name; + screen->base.get_vendor = cell_get_vendor; + screen->base.get_param = cell_get_param; + screen->base.get_paramf = cell_get_paramf; + screen->base.is_format_supported = cell_is_format_supported; + screen->base.context_create = cell_create_context; - cell_init_screen_texture_funcs(screen); - u_simple_screen_init(screen); + cell_init_screen_texture_funcs(&screen->base); + cell_init_screen_buffer_funcs(&screen->base); - return screen; + return &screen->base; } diff --git a/src/gallium/drivers/cell/ppu/cell_screen.h b/src/gallium/drivers/cell/ppu/cell_screen.h index c7e15889d66..baff9d3b7d4 100644 --- a/src/gallium/drivers/cell/ppu/cell_screen.h +++ b/src/gallium/drivers/cell/ppu/cell_screen.h @@ -30,12 +30,26 @@ #define CELL_SCREEN_H -struct pipe_screen; -struct pipe_winsys; +#include "pipe/p_screen.h" +struct sw_winsys; -extern struct pipe_screen * -cell_create_screen(struct pipe_winsys *winsys); +struct cell_screen { + struct pipe_screen base; + + struct sw_winsys *winsys; + + /* Increments whenever textures are modified. Contexts can track + * this. + */ + unsigned timestamp; +}; + +static INLINE struct cell_screen * +cell_screen( struct pipe_screen *pipe ) +{ + return (struct cell_screen *)pipe; +} #endif /* CELL_SCREEN_H */ diff --git a/src/gallium/drivers/cell/ppu/cell_state_emit.c b/src/gallium/drivers/cell/ppu/cell_state_emit.c index a59c7828ac3..424e2628a95 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_emit.c +++ b/src/gallium/drivers/cell/ppu/cell_state_emit.c @@ -245,16 +245,13 @@ cell_emit_state(struct cell_context *cell) uint i, j; float *buf = cell_batch_alloc16(cell, ROUNDUP16(32 + num_const * sizeof(float))); uint32_t *ibuf = (uint32_t *) buf; - const float *constants = pipe_buffer_map(cell->pipe.screen, - cell->constants[shader], - PIPE_BUFFER_USAGE_CPU_READ); + const float *constants = cell->mapped_constants[shader]; ibuf[0] = CELL_CMD_STATE_FS_CONSTANTS; ibuf[4] = num_const; j = 8; for (i = 0; i < num_const; i++) { buf[j++] = constants[i]; } - pipe_buffer_unmap(cell->pipe.screen, cell->constants[shader]); } if (cell->dirty & (CELL_NEW_FRAMEBUFFER | diff --git a/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c b/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c index 07be5e92ea7..dc33e7ccc2c 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c +++ b/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c @@ -1251,7 +1251,7 @@ cell_generate_logic_op(struct spe_function *f, /* Convert fragment colors to framebuffer format in AoS layout. */ switch (surf->format) { - case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_B8G8R8A8_UNORM: data[0] = 0x00010203; data[1] = 0x10111213; data[2] = 0x04050607; @@ -1261,7 +1261,7 @@ cell_generate_logic_op(struct spe_function *f, data[6] = 0x80808080; data[7] = 0x80808080; break; - case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_A8R8G8B8_UNORM: data[0] = 0x03020100; data[1] = 0x13121110; data[2] = 0x07060504; diff --git a/src/gallium/drivers/cell/ppu/cell_state_shader.c b/src/gallium/drivers/cell/ppu/cell_state_shader.c index 9b2f86fdfba..9e29ddc2d45 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_shader.c +++ b/src/gallium/drivers/cell/ppu/cell_state_shader.c @@ -28,13 +28,13 @@ #include "pipe/p_defines.h" #include "util/u_memory.h" #include "util/u_inlines.h" -#include "util/u_simple_screen.h" #include "draw/draw_context.h" #include "tgsi/tgsi_parse.h" #include "cell_context.h" #include "cell_state.h" #include "cell_gen_fp.h" +#include "cell_buffer.h" /** cast wrapper */ @@ -183,17 +183,29 @@ cell_delete_vs_state(struct pipe_context *pipe, void *vs) static void cell_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index, - struct pipe_buffer *buf) + struct pipe_buffer *constants) { struct cell_context *cell = cell_context(pipe); + unsigned size = constants ? constants->size : 0; + const void *data = constants ? cell_buffer(constants)->data : NULL; assert(shader < PIPE_SHADER_TYPES); assert(index == 0); + if (cell->constants[shader] == constants) + return; + draw_flush(cell->draw); /* note: reference counting */ - pipe_buffer_reference(&cell->constants[shader], buf); + pipe_buffer_reference(&cell->constants[shader], constants); + + if(shader == PIPE_SHADER_VERTEX) { + draw_set_mapped_constant_buffer(cell->draw, PIPE_SHADER_VERTEX, 0, + data, size); + } + + cell->mapped_constants[shader] = data; if (shader == PIPE_SHADER_VERTEX) cell->dirty |= CELL_NEW_VS_CONSTANTS; diff --git a/src/gallium/drivers/cell/ppu/cell_state_vertex.c b/src/gallium/drivers/cell/ppu/cell_state_vertex.c index fbe55c84721..d3efb8ecea2 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_vertex.c +++ b/src/gallium/drivers/cell/ppu/cell_state_vertex.c @@ -32,24 +32,43 @@ #include "cell_context.h" #include "cell_state.h" +#include "util/u_memory.h" #include "draw/draw_context.h" -static void -cell_set_vertex_elements(struct pipe_context *pipe, - unsigned count, - const struct pipe_vertex_element *elements) +void * +cell_create_vertex_elements_state(struct pipe_context *pipe, + unsigned count, + const struct pipe_vertex_element *attribs) { - struct cell_context *cell = cell_context(pipe); - + struct cell_velems_state *velems; assert(count <= PIPE_MAX_ATTRIBS); + velems = (struct cell_velems_state *) MALLOC(sizeof(struct cell_velems_state)); + if (velems) { + velems->count = count; + memcpy(velems->velem, attribs, sizeof(*attribs) * count); + } + return velems; +} + +void +cell_bind_vertex_elements_state(struct pipe_context *pipe, + void *velems) +{ + struct cell_context *cell = cell_context(pipe); + struct cell_velems_state *cell_velems = (struct cell_velems_state *) velems; - memcpy(cell->vertex_element, elements, count * sizeof(elements[0])); - cell->num_vertex_elements = count; + cell->velems = cell_velems; cell->dirty |= CELL_NEW_VERTEX; - draw_set_vertex_elements(cell->draw, count, elements); + draw_set_vertex_elements(cell->draw, cell_velems->count, cell_velems->velem); +} + +void +cell_delete_vertex_elements_state(struct pipe_context *pipe, void *velems) +{ + FREE( velems ); } @@ -75,5 +94,7 @@ void cell_init_vertex_functions(struct cell_context *cell) { cell->pipe.set_vertex_buffers = cell_set_vertex_buffers; - cell->pipe.set_vertex_elements = cell_set_vertex_elements; + cell->pipe.create_vertex_elements_state = cell_create_vertex_elements_state; + cell->pipe.bind_vertex_elements_state = cell_bind_vertex_elements_state; + cell->pipe.delete_vertex_elements_state = cell_delete_vertex_elements_state; } diff --git a/src/gallium/drivers/cell/ppu/cell_texture.c b/src/gallium/drivers/cell/ppu/cell_texture.c index fad290dfa0e..c8a1acd86a9 100644 --- a/src/gallium/drivers/cell/ppu/cell_texture.c +++ b/src/gallium/drivers/cell/ppu/cell_texture.c @@ -34,20 +34,23 @@ #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "util/u_inlines.h" -#include "util/u_simple_screen.h" #include "util/u_format.h" #include "util/u_math.h" #include "util/u_memory.h" #include "cell_context.h" +#include "cell_screen.h" #include "cell_state.h" #include "cell_texture.h" +#include "state_tracker/sw_winsys.h" -static void -cell_texture_layout(struct cell_texture *ct) + +static boolean +cell_texture_layout(struct pipe_screen *screen, + struct cell_texture *ct) { struct pipe_texture *pt = &ct->base; unsigned level; @@ -83,9 +86,34 @@ cell_texture_layout(struct cell_texture *ct) height = u_minify(height, 1); depth = u_minify(depth, 1); } + + ct->data = align_malloc(ct->buffer_size, 16); + + return ct->data != NULL; } +/** + * Texture layout for simple color buffers. + */ +static boolean +cell_displaytarget_layout(struct pipe_screen *screen, + struct cell_texture * ct) +{ + struct sw_winsys *winsys = cell_screen(screen)->winsys; + + /* Round up the surface size to a multiple of the tile size? + */ + ct->dt = winsys->displaytarget_create(winsys, + ct->base.format, + ct->base.width0, + ct->base.height0, + 16, + &ct->dt_stride ); + + return ct->dt != NULL; +} + static struct pipe_texture * cell_texture_create(struct pipe_screen *screen, const struct pipe_texture *templat) @@ -98,31 +126,46 @@ cell_texture_create(struct pipe_screen *screen, pipe_reference_init(&ct->base.reference, 1); ct->base.screen = screen; - cell_texture_layout(ct); + /* Create both a displaytarget (linear) and regular texture + * (twiddled). Convert twiddled->linear at flush_frontbuffer time. + */ + if (ct->base.tex_usage & (PIPE_TEXTURE_USAGE_DISPLAY_TARGET | + PIPE_TEXTURE_USAGE_SCANOUT | + PIPE_TEXTURE_USAGE_SHARED)) { + if (!cell_displaytarget_layout(screen, ct)) + goto fail; + } - ct->buffer = screen->buffer_create(screen, 32, PIPE_BUFFER_USAGE_PIXEL, - ct->buffer_size); + if (!cell_texture_layout(screen, ct)) + goto fail; - if (!ct->buffer) { - FREE(ct); - return NULL; + return &ct->base; + +fail: + if (ct->dt) { + struct sw_winsys *winsys = cell_screen(screen)->winsys; + winsys->displaytarget_destroy(winsys, ct->dt); } - return &ct->base; + FREE(ct); + + return NULL; } static void cell_texture_destroy(struct pipe_texture *pt) { + struct cell_screen *screen = cell_screen(pt->screen); + struct sw_winsys *winsys = screen->winsys; struct cell_texture *ct = cell_texture(pt); - if (ct->mapped) { - pipe_buffer_unmap(ct->buffer->screen, ct->buffer); - ct->mapped = NULL; + if (ct->dt) { + /* display target */ + winsys->displaytarget_destroy(winsys, ct->dt); } - pipe_buffer_reference(&ct->buffer, NULL); + align_free(ct->data); FREE(ct); } @@ -389,10 +432,8 @@ cell_transfer_map(struct pipe_screen *screen, struct pipe_transfer *transfer) assert(transfer->texture); - if (!ct->mapped) { - /* map now */ - ct->mapped = pipe_buffer_map(screen, ct->buffer, - pipe_transfer_buffer_flags(transfer)); + if (ct->mapped == NULL) { + ct->mapped = ct->data; } /* @@ -442,9 +483,8 @@ cell_transfer_unmap(struct pipe_screen *screen, const uint stride = ct->stride[level]; if (!ct->mapped) { - /* map now */ - ct->mapped = pipe_buffer_map(screen, ct->buffer, - PIPE_BUFFER_USAGE_CPU_READ); + assert(0); + return; } if (transfer->usage & PIPE_TRANSFER_WRITE) { @@ -467,6 +507,50 @@ cell_transfer_unmap(struct pipe_screen *screen, } + +/* This used to be overriden by the co-state tracker, but really needs + * to be active with sw_winsys. + * + * Contrasting with llvmpipe and softpipe, this is the only place + * where we use the ct->dt display target in any real sense. + * + * Basically just untwiddle our local data into the linear + * displaytarget. + */ +static void +cell_flush_frontbuffer(struct pipe_screen *_screen, + struct pipe_surface *surface, + void *context_private) +{ + struct cell_screen *screen = cell_screen(_screen); + struct sw_winsys *winsys = screen->winsys; + struct cell_texture *ct = cell_texture(surface->texture); + + if (!ct->dt) + return; + + /* Need to untwiddle from our internal representation here: + */ + { + unsigned *map = winsys->displaytarget_map(winsys, ct->dt, + (PIPE_BUFFER_USAGE_CPU_READ | + PIPE_BUFFER_USAGE_CPU_WRITE)); + unsigned *src = (unsigned *)(ct->data + ct->level_offset[surface->level]); + + untwiddle_image_uint(surface->width, + surface->height, + TILE_SIZE, + map, + ct->dt_stride, + src); + + winsys->displaytarget_unmap(winsys, ct->dt); + } + + winsys->displaytarget_display(winsys, ct->dt, context_private); +} + + void cell_init_screen_texture_funcs(struct pipe_screen *screen) { @@ -481,4 +565,6 @@ cell_init_screen_texture_funcs(struct pipe_screen *screen) screen->transfer_map = cell_transfer_map; screen->transfer_unmap = cell_transfer_unmap; + + screen->flush_frontbuffer = cell_flush_frontbuffer; } diff --git a/src/gallium/drivers/cell/ppu/cell_texture.h b/src/gallium/drivers/cell/ppu/cell_texture.h index 3ffc0bfdb51..2be05793122 100644 --- a/src/gallium/drivers/cell/ppu/cell_texture.h +++ b/src/gallium/drivers/cell/ppu/cell_texture.h @@ -28,6 +28,7 @@ #ifndef CELL_TEXTURE_H #define CELL_TEXTURE_H +#include "cell/common.h" struct cell_context; struct pipe_texture; @@ -43,8 +44,20 @@ struct cell_texture unsigned long level_offset[CELL_MAX_TEXTURE_LEVELS]; unsigned long stride[CELL_MAX_TEXTURE_LEVELS]; - /** The tiled texture data is held in this buffer */ - struct pipe_buffer *buffer; + /** + * Display target, for textures with the PIPE_TEXTURE_USAGE_DISPLAY_TARGET + * usage. + */ + struct sw_displaytarget *dt; + unsigned dt_stride; + + /** + * Malloc'ed data for regular textures, or a mapping to dt above. + */ + void *data; + + /* Size of the linear buffer?? + */ unsigned long buffer_size; /** The buffer above, mapped. This is the memory from which the diff --git a/src/gallium/drivers/cell/ppu/cell_vertex_shader.c b/src/gallium/drivers/cell/ppu/cell_vertex_shader.c index cf8cd411598..3d389d6ea36 100644 --- a/src/gallium/drivers/cell/ppu/cell_vertex_shader.c +++ b/src/gallium/drivers/cell/ppu/cell_vertex_shader.c @@ -31,7 +31,6 @@ #include "pipe/p_defines.h" #include "pipe/p_context.h" -#include "util/u_simple_screen.h" #include "util/u_math.h" #include "cell_context.h" diff --git a/src/gallium/drivers/cell/spu/spu_command.c b/src/gallium/drivers/cell/spu/spu_command.c index 55bd85bde2b..79f1fb7fb28 100644 --- a/src/gallium/drivers/cell/spu/spu_command.c +++ b/src/gallium/drivers/cell/spu/spu_command.c @@ -337,10 +337,10 @@ cmd_state_framebuffer(const struct cell_command_framebuffer *cmd) 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_Z24S8_UNORM: case PIPE_FORMAT_X8Z24_UNORM: + case PIPE_FORMAT_Z24X8_UNORM: spu.fb.zsize = 4; spu.fb.zscale = (float) 0x00ffffffu; break; diff --git a/src/gallium/drivers/cell/spu/spu_per_fragment_op.c b/src/gallium/drivers/cell/spu/spu_per_fragment_op.c index 53283740805..2c9e7458afe 100644 --- a/src/gallium/drivers/cell/spu/spu_per_fragment_op.c +++ b/src/gallium/drivers/cell/spu/spu_per_fragment_op.c @@ -138,14 +138,14 @@ spu_fallback_fragment_ops(uint x, uint y, if (spu.depth_stencil_alpha.stencil[0].enabled) { /* do stencil test */ - ASSERT(spu.fb.depth_format == PIPE_FORMAT_S8Z24_UNORM); + ASSERT(spu.fb.depth_format == PIPE_FORMAT_Z24S8_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); + ASSERT(spu.fb.depth_format == PIPE_FORMAT_Z24S8_UNORM || + spu.fb.depth_format == PIPE_FORMAT_Z24X8_UNORM); vector unsigned int ifragZ; vector unsigned int zmask; @@ -240,13 +240,13 @@ spu_fallback_fragment_ops(uint x, uint y, { vector float temp[4]; /* float colors in AOS form */ switch (spu.fb.color_format) { - case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_A8R8G8B8_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: + case PIPE_FORMAT_B8G8R8A8_UNORM: temp[0] = spu_unpack_A8R8G8B8(fbc0); temp[1] = spu_unpack_A8R8G8B8(fbc1); temp[2] = spu_unpack_A8R8G8B8(fbc2); @@ -506,13 +506,13 @@ spu_fallback_fragment_ops(uint x, uint y, * Pack fragment float colors into 32-bit RGBA words. */ switch (spu.fb.color_format) { - case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_B8G8R8A8_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: + case PIPE_FORMAT_A8R8G8B8_UNORM: fragc0 = spu_pack_B8G8R8A8(frag_aos[0]); fragc1 = spu_pack_B8G8R8A8(frag_aos[1]); fragc2 = spu_pack_B8G8R8A8(frag_aos[2]); @@ -532,7 +532,7 @@ spu_fallback_fragment_ops(uint x, uint y, /* Form bitmask depending on color buffer format and colormask bits */ switch (spu.fb.color_format) { - case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_B8G8R8A8_UNORM: if (spu.blend.rt[0].colormask & PIPE_MASK_R) cmask |= 0x00ff0000; /* red */ if (spu.blend.rt[0].colormask & PIPE_MASK_G) @@ -542,7 +542,7 @@ spu_fallback_fragment_ops(uint x, uint y, if (spu.blend.rt[0].colormask & PIPE_MASK_A) cmask |= 0xff000000; /* alpha */ break; - case PIPE_FORMAT_B8G8R8A8_UNORM: + case PIPE_FORMAT_A8R8G8B8_UNORM: if (spu.blend.rt[0].colormask & PIPE_MASK_R) cmask |= 0x0000ff00; /* red */ if (spu.blend.rt[0].colormask & PIPE_MASK_G) diff --git a/src/gallium/drivers/cell/spu/spu_tri.c b/src/gallium/drivers/cell/spu/spu_tri.c index 58be001be4c..f619380d807 100644 --- a/src/gallium/drivers/cell/spu/spu_tri.c +++ b/src/gallium/drivers/cell/spu/spu_tri.c @@ -752,7 +752,7 @@ subtriangle(struct edge *eleft, struct edge *eright, unsigned lines) finish_y -= sy; /* - _mesa_printf("%s %d %d\n", __FUNCTION__, start_y, finish_y); + printf("%s %d %d\n", __FUNCTION__, start_y, finish_y); */ for (y = start_y; y < finish_y; y++) { |