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Diffstat (limited to 'src/gallium/drivers/cell/spu/spu_main.h')
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_main.h | 254 |
1 files changed, 254 insertions, 0 deletions
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 */ |