X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fcell%2Fcommon.h;h=a8cdde34aa7717b6738c746511d897909c949455;hb=a2ef38368b638caba26418a68c157d52b6bcf797;hp=8ae78265f2ef023828ef0ddd32d996d8b8c6a6c1;hpb=ddeec1ed10d6c12403fe8d30c072ea68f044db99;p=mesa.git diff --git a/src/gallium/drivers/cell/common.h b/src/gallium/drivers/cell/common.h index 8ae78265f2e..a8cdde34aa7 100644 --- a/src/gallium/drivers/cell/common.h +++ b/src/gallium/drivers/cell/common.h @@ -36,7 +36,7 @@ #include "pipe/p_compiler.h" #include "pipe/p_format.h" #include "pipe/p_state.h" - +#include /** The standard assert macro doesn't seem to work reliably */ #define ASSERT(x) \ @@ -49,6 +49,14 @@ } +#define JOIN(x, y) JOIN_AGAIN(x, y) +#define JOIN_AGAIN(x, y) x ## y + +#define STATIC_ASSERT(e) \ +{typedef char JOIN(assertion_failed_at_line_, __LINE__) [(e) ? 1 : -1];} + + + /** for sanity checking */ #define ASSERT_ALIGN16(ptr) \ ASSERT((((unsigned long) (ptr)) & 0xf) == 0); @@ -64,10 +72,13 @@ #define ROUNDUP16(k) (((k) + 0xf) & ~0xf) -#define CELL_MAX_SPUS 6 +#define CELL_MAX_SPUS 8 #define CELL_MAX_SAMPLERS 4 #define CELL_MAX_TEXTURE_LEVELS 12 /* 2k x 2k */ +#define CELL_MAX_CONSTANTS 32 /**< number of float[4] constants */ +#define CELL_MAX_WIDTH 1024 /**< max framebuffer width */ +#define CELL_MAX_HEIGHT 1024 /**< max framebuffer width */ #define TILE_SIZE 32 @@ -96,40 +107,91 @@ #define CELL_CMD_STATE_FRAGMENT_PROGRAM 19 #define CELL_CMD_STATE_ATTRIB_FETCH 20 #define CELL_CMD_STATE_FS_CONSTANTS 21 -#define CELL_CMD_VS_EXECUTE 22 -#define CELL_CMD_FLUSH_BUFFER_RANGE 23 +#define CELL_CMD_STATE_RASTERIZER 22 +#define CELL_CMD_VS_EXECUTE 23 +#define CELL_CMD_FLUSH_BUFFER_RANGE 24 +#define CELL_CMD_FENCE 25 +/** Command/batch buffers */ #define CELL_NUM_BUFFERS 4 #define CELL_BUFFER_SIZE (4*1024) /**< 16KB would be the max */ #define CELL_BUFFER_STATUS_FREE 10 #define CELL_BUFFER_STATUS_USED 20 +/** Debug flags */ #define CELL_DEBUG_CHECKER (1 << 0) #define CELL_DEBUG_ASM (1 << 1) #define CELL_DEBUG_SYNC (1 << 2) #define CELL_DEBUG_FRAGMENT_OPS (1 << 3) #define CELL_DEBUG_FRAGMENT_OP_FALLBACK (1 << 4) #define CELL_DEBUG_CMD (1 << 5) +#define CELL_DEBUG_CACHE (1 << 6) + +#define CELL_FENCE_IDLE 0 +#define CELL_FENCE_EMITTED 1 +#define CELL_FENCE_SIGNALLED 2 + +#define CELL_FACING_FRONT 0 +#define CELL_FACING_BACK 1 -/** Max instructions for doing per-fragment operations */ -#define SPU_MAX_FRAGMENT_OPS_INSTS 64 +struct cell_fence +{ + /** There's a 16-byte status qword per SPU */ + volatile uint status[CELL_MAX_SPUS][4]; +}; + +#ifdef __SPU__ +typedef vector unsigned int opcode_t; +#else +typedef unsigned int opcode_t[4]; +#endif + +/** + * Fence command sent to SPUs. In response, the SPUs will write + * CELL_FENCE_STATUS_SIGNALLED back to the fence status word in main memory. + */ +struct cell_command_fence +{ + opcode_t opcode; /**< CELL_CMD_FENCE */ + struct cell_fence *fence; + uint32_t pad_[3]; +}; /** * Command to specify per-fragment operations state and generated code. - * Note that the dsa, blend, blend_color fields are really only needed + * Note that this is a variant-length structure, allocated with as + * much memory as needed to hold the generated code; the "code" + * field *must* be the last field in the structure. Also, the entire + * length of the structure (including the variant code field) must be + * a multiple of 8 bytes; we require that this structure itself be + * a multiple of 8 bytes, and that the generated code also be a multiple + * of 8 bytes. + * + * Also note that the dsa, blend, blend_color fields are really only needed * for the fallback/C per-pixel code. They're not used when we generate - * dynamic SPU fragment code (which is the normal case). + * dynamic SPU fragment code (which is the normal case), and will eventually + * be removed from this structure. */ struct cell_command_fragment_ops { - uint64_t opcode; /**< CELL_CMD_STATE_FRAGMENT_OPS */ + opcode_t opcode; /**< CELL_CMD_STATE_FRAGMENT_OPS */ + + /* Fields for the fallback case */ struct pipe_depth_stencil_alpha_state dsa; struct pipe_blend_state blend; struct pipe_blend_color blend_color; - unsigned code[SPU_MAX_FRAGMENT_OPS_INSTS]; + + /* Fields for the generated SPU code */ + unsigned total_code_size; + unsigned front_code_index; + unsigned back_code_index; + /* this field has variant length, and must be the last field in + * the structure + */ + unsigned code[0]; }; @@ -141,8 +203,9 @@ struct cell_command_fragment_ops */ struct cell_command_fragment_program { - uint64_t opcode; /**< CELL_CMD_STATE_FRAGMENT_PROGRAM */ + opcode_t opcode; /**< CELL_CMD_STATE_FRAGMENT_PROGRAM */ uint num_inst; /**< Number of instructions */ + uint32_t pad[3]; unsigned code[SPU_MAX_FRAGMENT_PROGRAM_INSTS]; }; @@ -152,10 +215,22 @@ struct cell_command_fragment_program */ struct cell_command_framebuffer { - uint64_t opcode; /**< CELL_CMD_FRAMEBUFFER */ + opcode_t opcode; /**< CELL_CMD_STATE_FRAMEBUFFER */ int width, height; void *color_start, *depth_start; enum pipe_format color_format, depth_format; + uint32_t pad_[2]; +}; + + +/** + * Tell SPUs about rasterizer state. + */ +struct cell_command_rasterizer +{ + opcode_t opcode; /**< CELL_CMD_STATE_RASTERIZER */ + struct pipe_rasterizer_state rasterizer; + /*uint32_t pad[1];*/ }; @@ -164,9 +239,10 @@ struct cell_command_framebuffer */ struct cell_command_clear_surface { - uint64_t opcode; /**< CELL_CMD_CLEAR_SURFACE */ + opcode_t opcode; /**< CELL_CMD_CLEAR_SURFACE */ uint surface; /**< Temporary: 0=color, 1=Z */ uint value; + uint32_t pad[2]; }; @@ -213,7 +289,7 @@ struct cell_shader_info #define SPU_VERTS_PER_BATCH 64 struct cell_command_vs { - uint64_t opcode; /**< CELL_CMD_VS_EXECUTE */ + opcode_t opcode; /**< CELL_CMD_VS_EXECUTE */ uint64_t vOut[SPU_VERTS_PER_BATCH]; unsigned num_elts; unsigned elts[SPU_VERTS_PER_BATCH]; @@ -225,7 +301,7 @@ struct cell_command_vs struct cell_command_render { - uint64_t opcode; /**< CELL_CMD_RENDER */ + opcode_t opcode; /**< CELL_CMD_RENDER */ uint prim_type; /**< PIPE_PRIM_x */ uint num_verts; uint vertex_size; /**< bytes per vertex */ @@ -234,28 +310,30 @@ struct cell_command_render float xmin, ymin, xmax, ymax; /* XXX another dummy field */ uint min_index; boolean inline_verts; - uint front_winding; /* the rasterizer needs to be able to determine facing to apply front/back-facing stencil */ + uint32_t pad_[1]; }; struct cell_command_release_verts { - uint64_t opcode; /**< CELL_CMD_RELEASE_VERTS */ + opcode_t opcode; /**< CELL_CMD_RELEASE_VERTS */ uint vertex_buf; /**< in [0, CELL_NUM_BUFFERS-1] */ + uint32_t pad_[3]; }; struct cell_command_sampler { - uint64_t opcode; /**< CELL_CMD_STATE_SAMPLER */ + opcode_t opcode; /**< CELL_CMD_STATE_SAMPLER */ uint unit; struct pipe_sampler_state state; + uint32_t pad_[3]; }; struct cell_command_texture { - uint64_t opcode; /**< CELL_CMD_STATE_TEXTURE */ + opcode_t opcode; /**< CELL_CMD_STATE_TEXTURE */ uint target; /**< PIPE_TEXTURE_x */ uint unit; void *start[CELL_MAX_TEXTURE_LEVELS]; /**< Address in main memory */ @@ -265,19 +343,6 @@ struct cell_command_texture }; -/** XXX unions don't seem to work */ -/* XXX this should go away; all commands should be placed in batch buffers */ -struct cell_command -{ -#if 0 - struct cell_command_framebuffer fb; - struct cell_command_clear_surface clear; - struct cell_command_render render; -#endif - struct cell_command_vs vs; -} ALIGN16_ATTRIB; - - #define MAX_SPU_FUNCTIONS 12 /** * Used to tell the PPU about the address of particular functions in the @@ -293,19 +358,20 @@ struct cell_spu_function_info /** This is the object passed to spe_create_thread() */ +PIPE_ALIGN_TYPE(16, struct cell_init_info { unsigned id; unsigned num_spus; unsigned debug_flags; /**< mask of CELL_DEBUG_x flags */ - struct cell_command *cmd; + float inv_timebase; /**< 1.0/timebase, for perf measurement */ /** Buffers for command batches, vertex/index data */ ubyte *buffers[CELL_NUM_BUFFERS]; uint *buffer_status; /**< points at cell_context->buffer_status */ struct cell_spu_function_info *spu_functions; -} ALIGN16_ATTRIB; +}); #endif /* CELL_COMMON_H */