/** * Scan the given TGSI shader to collect information such as number of * registers used, special instructions used, etc. * \return info the result of the scan */ void tgsi_scan_shader(const struct tgsi_token *tokens, struct tgsi_shader_info *info) { uint procType, i; struct tgsi_parse_context parse; memset(info, 0, sizeof(*info)); for (i = 0; i < TGSI_FILE_COUNT; i++) info->file_max[i] = -1; /** ** Setup to begin parsing input shader **/ if (tgsi_parse_init( &parse, tokens ) != TGSI_PARSE_OK) { debug_printf("tgsi_parse_init() failed in tgsi_scan_shader()!\n"); return; } procType = parse.FullHeader.Processor.Processor; assert(procType == TGSI_PROCESSOR_FRAGMENT || procType == TGSI_PROCESSOR_VERTEX || procType == TGSI_PROCESSOR_GEOMETRY || procType == TGSI_PROCESSOR_COMPUTE); info->processor = procType; /** ** Loop over incoming program tokens/instructions */ while( !tgsi_parse_end_of_tokens( &parse ) ) { info->num_tokens++; tgsi_parse_token( &parse ); switch( parse.FullToken.Token.Type ) { case TGSI_TOKEN_TYPE_INSTRUCTION: { const struct tgsi_full_instruction *fullinst = &parse.FullToken.FullInstruction; uint i; assert(fullinst->Instruction.Opcode < TGSI_OPCODE_LAST); info->opcode_count[fullinst->Instruction.Opcode]++; for (i = 0; i < fullinst->Instruction.NumSrcRegs; i++) { const struct tgsi_full_src_register *src = &fullinst->Src[i]; int ind = src->Register.Index; /* Mark which inputs are effectively used */ if (src->Register.File == TGSI_FILE_INPUT) { unsigned usage_mask; usage_mask = tgsi_util_get_inst_usage_mask(fullinst, i); if (src->Register.Indirect) { for (ind = 0; ind < info->num_inputs; ++ind) { info->input_usage_mask[ind] |= usage_mask; } } else { assert(ind >= 0); assert(ind < PIPE_MAX_SHADER_INPUTS); info->input_usage_mask[ind] |= usage_mask; } if (procType == TGSI_PROCESSOR_FRAGMENT && src->Register.File == TGSI_FILE_INPUT && info->reads_position && src->Register.Index == 0 && (src->Register.SwizzleX == TGSI_SWIZZLE_Z || src->Register.SwizzleY == TGSI_SWIZZLE_Z || src->Register.SwizzleZ == TGSI_SWIZZLE_Z || src->Register.SwizzleW == TGSI_SWIZZLE_Z)) { info->reads_z = TRUE; } } /* check for indirect register reads */ if (src->Register.Indirect) { info->indirect_files |= (1 << src->Register.File); } } /* check for indirect register writes */ for (i = 0; i < fullinst->Instruction.NumDstRegs; i++) { const struct tgsi_full_dst_register *dst = &fullinst->Dst[i]; if (dst->Register.Indirect) { info->indirect_files |= (1 << dst->Register.File); } } info->num_instructions++; } break; case TGSI_TOKEN_TYPE_DECLARATION: { const struct tgsi_full_declaration *fulldecl = &parse.FullToken.FullDeclaration; const uint file = fulldecl->Declaration.File; uint reg; for (reg = fulldecl->Range.First; reg <= fulldecl->Range.Last; reg++) { /* only first 32 regs will appear in this bitfield */ info->file_mask[file] |= (1 << reg); info->file_count[file]++; info->file_max[file] = MAX2(info->file_max[file], (int)reg); if (file == TGSI_FILE_INPUT) { info->input_semantic_name[reg] = (ubyte)fulldecl->Semantic.Name; info->input_semantic_index[reg] = (ubyte)fulldecl->Semantic.Index; info->input_interpolate[reg] = (ubyte)fulldecl->Interp.Interpolate; info->input_centroid[reg] = (ubyte)fulldecl->Interp.Centroid; info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap; info->num_inputs++; if (procType == TGSI_PROCESSOR_FRAGMENT && fulldecl->Semantic.Name == TGSI_SEMANTIC_POSITION) info->reads_position = TRUE; } else if (file == TGSI_FILE_SYSTEM_VALUE) { unsigned index = fulldecl->Range.First; unsigned semName = fulldecl->Semantic.Name; info->system_value_semantic_name[index] = semName; info->num_system_values = MAX2(info->num_system_values, index + 1); /* info->system_value_semantic_name[info->num_system_values++] = fulldecl->Semantic.Name; */ if (fulldecl->Semantic.Name == TGSI_SEMANTIC_INSTANCEID) { info->uses_instanceid = TRUE; } else if (fulldecl->Semantic.Name == TGSI_SEMANTIC_VERTEXID) { info->uses_vertexid = TRUE; } else if (fulldecl->Semantic.Name == TGSI_SEMANTIC_PRIMID) { info->uses_primid = TRUE; } } else if (file == TGSI_FILE_OUTPUT) { info->output_semantic_name[reg] = (ubyte)fulldecl->Semantic.Name; info->output_semantic_index[reg] = (ubyte)fulldecl->Semantic.Index; info->num_outputs++; if ((procType == TGSI_PROCESSOR_VERTEX || procType == TGSI_PROCESSOR_GEOMETRY) && fulldecl->Semantic.Name == TGSI_SEMANTIC_CLIPDIST) { info->num_written_clipdistance += util_bitcount(fulldecl->Declaration.UsageMask); } if ((procType == TGSI_PROCESSOR_VERTEX || procType == TGSI_PROCESSOR_GEOMETRY) && fulldecl->Semantic.Name == TGSI_SEMANTIC_CULLDIST) { info->num_written_culldistance += util_bitcount(fulldecl->Declaration.UsageMask); } /* extra info for special outputs */ if (procType == TGSI_PROCESSOR_FRAGMENT && fulldecl->Semantic.Name == TGSI_SEMANTIC_POSITION) info->writes_z = TRUE; if (procType == TGSI_PROCESSOR_FRAGMENT && fulldecl->Semantic.Name == TGSI_SEMANTIC_STENCIL) info->writes_stencil = TRUE; if (procType == TGSI_PROCESSOR_VERTEX && fulldecl->Semantic.Name == TGSI_SEMANTIC_EDGEFLAG) { info->writes_edgeflag = TRUE; } if (procType == TGSI_PROCESSOR_GEOMETRY && fulldecl->Semantic.Name == TGSI_SEMANTIC_VIEWPORT_INDEX) { info->writes_viewport_index = TRUE; } if (procType == TGSI_PROCESSOR_GEOMETRY && fulldecl->Semantic.Name == TGSI_SEMANTIC_LAYER) { info->writes_layer = TRUE; } } } } break; case TGSI_TOKEN_TYPE_IMMEDIATE: { uint reg = info->immediate_count++; uint file = TGSI_FILE_IMMEDIATE; info->file_mask[file] |= (1 << reg); info->file_count[file]++; info->file_max[file] = MAX2(info->file_max[file], (int)reg); } break; case TGSI_TOKEN_TYPE_PROPERTY: { const struct tgsi_full_property *fullprop = &parse.FullToken.FullProperty; info->properties[info->num_properties].name = fullprop->Property.PropertyName; memcpy(info->properties[info->num_properties].data, fullprop->u, 8 * sizeof(unsigned));; ++info->num_properties; } break; default: assert( 0 ); } } info->uses_kill = (info->opcode_count[TGSI_OPCODE_KIL] || info->opcode_count[TGSI_OPCODE_KILP]); /* extract simple properties */ for (i = 0; i < info->num_properties; ++i) { switch (info->properties[i].name) { case TGSI_PROPERTY_FS_COORD_ORIGIN: info->origin_lower_left = info->properties[i].data[0]; break; case TGSI_PROPERTY_FS_COORD_PIXEL_CENTER: info->pixel_center_integer = info->properties[i].data[0]; break; case TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS: info->color0_writes_all_cbufs = info->properties[i].data[0]; break; case TGSI_PROPERTY_GS_INPUT_PRIM: /* The dimensions of the IN decleration in geometry shader have * to be deduced from the type of the input primitive. */ if (procType == TGSI_PROCESSOR_GEOMETRY) { unsigned input_primitive = info->properties[i].data[0]; int num_verts = u_vertices_per_prim(input_primitive); unsigned j; info->file_count[TGSI_FILE_INPUT] = num_verts; info->file_max[TGSI_FILE_INPUT] = MAX2(info->file_max[TGSI_FILE_INPUT], num_verts - 1); for (j = 0; j < num_verts; ++j) { info->file_mask[TGSI_FILE_INPUT] |= (1 << j); } } break; default: ; } } tgsi_parse_free (&parse); }
/** * Scan the given TGSI shader to collect information such as number of * registers used, special instructions used, etc. * \return info the result of the scan */ void tgsi_scan_shader(const struct tgsi_token *tokens, struct tgsi_shader_info *info) { uint procType, i; struct tgsi_parse_context parse; memset(info, 0, sizeof(*info)); for (i = 0; i < TGSI_FILE_COUNT; i++) info->file_max[i] = -1; for (i = 0; i < Elements(info->const_file_max); i++) info->const_file_max[i] = -1; /** ** Setup to begin parsing input shader **/ if (tgsi_parse_init( &parse, tokens ) != TGSI_PARSE_OK) { debug_printf("tgsi_parse_init() failed in tgsi_scan_shader()!\n"); return; } procType = parse.FullHeader.Processor.Processor; assert(procType == TGSI_PROCESSOR_FRAGMENT || procType == TGSI_PROCESSOR_VERTEX || procType == TGSI_PROCESSOR_GEOMETRY || procType == TGSI_PROCESSOR_COMPUTE); info->processor = procType; /** ** Loop over incoming program tokens/instructions */ while( !tgsi_parse_end_of_tokens( &parse ) ) { info->num_tokens++; tgsi_parse_token( &parse ); switch( parse.FullToken.Token.Type ) { case TGSI_TOKEN_TYPE_INSTRUCTION: { const struct tgsi_full_instruction *fullinst = &parse.FullToken.FullInstruction; uint i; assert(fullinst->Instruction.Opcode < TGSI_OPCODE_LAST); info->opcode_count[fullinst->Instruction.Opcode]++; for (i = 0; i < fullinst->Instruction.NumSrcRegs; i++) { const struct tgsi_full_src_register *src = &fullinst->Src[i]; int ind = src->Register.Index; /* Mark which inputs are effectively used */ if (src->Register.File == TGSI_FILE_INPUT) { unsigned usage_mask; usage_mask = tgsi_util_get_inst_usage_mask(fullinst, i); if (src->Register.Indirect) { for (ind = 0; ind < info->num_inputs; ++ind) { info->input_usage_mask[ind] |= usage_mask; } } else { assert(ind >= 0); assert(ind < PIPE_MAX_SHADER_INPUTS); info->input_usage_mask[ind] |= usage_mask; } if (procType == TGSI_PROCESSOR_FRAGMENT && info->reads_position && src->Register.Index == 0 && (src->Register.SwizzleX == TGSI_SWIZZLE_Z || src->Register.SwizzleY == TGSI_SWIZZLE_Z || src->Register.SwizzleZ == TGSI_SWIZZLE_Z || src->Register.SwizzleW == TGSI_SWIZZLE_Z)) { info->reads_z = TRUE; } } /* check for indirect register reads */ if (src->Register.Indirect) { info->indirect_files |= (1 << src->Register.File); } /* MSAA samplers */ if (src->Register.File == TGSI_FILE_SAMPLER) { assert(fullinst->Instruction.Texture); assert(src->Register.Index < Elements(info->is_msaa_sampler)); if (fullinst->Instruction.Texture && (fullinst->Texture.Texture == TGSI_TEXTURE_2D_MSAA || fullinst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY_MSAA)) { info->is_msaa_sampler[src->Register.Index] = TRUE; } } } /* check for indirect register writes */ for (i = 0; i < fullinst->Instruction.NumDstRegs; i++) { const struct tgsi_full_dst_register *dst = &fullinst->Dst[i]; if (dst->Register.Indirect) { info->indirect_files |= (1 << dst->Register.File); } } info->num_instructions++; } break; case TGSI_TOKEN_TYPE_DECLARATION: { const struct tgsi_full_declaration *fulldecl = &parse.FullToken.FullDeclaration; const uint file = fulldecl->Declaration.File; uint reg; for (reg = fulldecl->Range.First; reg <= fulldecl->Range.Last; reg++) { unsigned semName = fulldecl->Semantic.Name; unsigned semIndex = fulldecl->Semantic.Index; /* only first 32 regs will appear in this bitfield */ info->file_mask[file] |= (1 << reg); info->file_count[file]++; info->file_max[file] = MAX2(info->file_max[file], (int)reg); if (file == TGSI_FILE_CONSTANT) { int buffer = 0; if (fulldecl->Declaration.Dimension) buffer = fulldecl->Dim.Index2D; info->const_file_max[buffer] = MAX2(info->const_file_max[buffer], (int)reg); } else if (file == TGSI_FILE_INPUT) { info->input_semantic_name[reg] = (ubyte) semName; info->input_semantic_index[reg] = (ubyte) semIndex; info->input_interpolate[reg] = (ubyte)fulldecl->Interp.Interpolate; info->input_interpolate_loc[reg] = (ubyte)fulldecl->Interp.Location; info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap; info->num_inputs++; if (semName == TGSI_SEMANTIC_PRIMID) info->uses_primid = TRUE; else if (procType == TGSI_PROCESSOR_FRAGMENT) { if (semName == TGSI_SEMANTIC_POSITION) info->reads_position = TRUE; else if (semName == TGSI_SEMANTIC_FACE) info->uses_frontface = TRUE; } } else if (file == TGSI_FILE_SYSTEM_VALUE) { unsigned index = fulldecl->Range.First; info->system_value_semantic_name[index] = semName; info->num_system_values = MAX2(info->num_system_values, index + 1); if (semName == TGSI_SEMANTIC_INSTANCEID) { info->uses_instanceid = TRUE; } else if (semName == TGSI_SEMANTIC_VERTEXID) { info->uses_vertexid = TRUE; } else if (semName == TGSI_SEMANTIC_PRIMID) { info->uses_primid = TRUE; } } else if (file == TGSI_FILE_OUTPUT) { info->output_semantic_name[reg] = (ubyte) semName; info->output_semantic_index[reg] = (ubyte) semIndex; info->num_outputs++; if (procType == TGSI_PROCESSOR_VERTEX || procType == TGSI_PROCESSOR_GEOMETRY) { if (semName == TGSI_SEMANTIC_CLIPDIST) { info->num_written_clipdistance += util_bitcount(fulldecl->Declaration.UsageMask); } else if (semName == TGSI_SEMANTIC_CULLDIST) { info->num_written_culldistance += util_bitcount(fulldecl->Declaration.UsageMask); } } if (procType == TGSI_PROCESSOR_FRAGMENT) { if (semName == TGSI_SEMANTIC_POSITION) { info->writes_z = TRUE; } else if (semName == TGSI_SEMANTIC_STENCIL) { info->writes_stencil = TRUE; } } if (procType == TGSI_PROCESSOR_VERTEX) { if (semName == TGSI_SEMANTIC_EDGEFLAG) { info->writes_edgeflag = TRUE; } } if (procType == TGSI_PROCESSOR_GEOMETRY) { if (semName == TGSI_SEMANTIC_VIEWPORT_INDEX) { info->writes_viewport_index = TRUE; } else if (semName == TGSI_SEMANTIC_LAYER) { info->writes_layer = TRUE; } } } } } break; case TGSI_TOKEN_TYPE_IMMEDIATE: { uint reg = info->immediate_count++; uint file = TGSI_FILE_IMMEDIATE; info->file_mask[file] |= (1 << reg); info->file_count[file]++; info->file_max[file] = MAX2(info->file_max[file], (int)reg); } break; case TGSI_TOKEN_TYPE_PROPERTY: { const struct tgsi_full_property *fullprop = &parse.FullToken.FullProperty; unsigned name = fullprop->Property.PropertyName; assert(name < Elements(info->properties)); info->properties[name] = fullprop->u[0].Data; } break; default: assert( 0 ); } } info->uses_kill = (info->opcode_count[TGSI_OPCODE_KILL_IF] || info->opcode_count[TGSI_OPCODE_KILL]); /* The dimensions of the IN decleration in geometry shader have * to be deduced from the type of the input primitive. */ if (procType == TGSI_PROCESSOR_GEOMETRY) { unsigned input_primitive = info->properties[TGSI_PROPERTY_GS_INPUT_PRIM]; int num_verts = u_vertices_per_prim(input_primitive); int j; info->file_count[TGSI_FILE_INPUT] = num_verts; info->file_max[TGSI_FILE_INPUT] = MAX2(info->file_max[TGSI_FILE_INPUT], num_verts - 1); for (j = 0; j < num_verts; ++j) { info->file_mask[TGSI_FILE_INPUT] |= (1 << j); } } tgsi_parse_free (&parse); }
static void scan_instruction(struct tgsi_shader_info *info, const struct tgsi_full_instruction *fullinst, unsigned *current_depth) { unsigned i; bool is_mem_inst = false; assert(fullinst->Instruction.Opcode < TGSI_OPCODE_LAST); info->opcode_count[fullinst->Instruction.Opcode]++; switch (fullinst->Instruction.Opcode) { case TGSI_OPCODE_IF: case TGSI_OPCODE_UIF: case TGSI_OPCODE_BGNLOOP: (*current_depth)++; info->max_depth = MAX2(info->max_depth, *current_depth); break; case TGSI_OPCODE_ENDIF: case TGSI_OPCODE_ENDLOOP: (*current_depth)--; break; default: break; } if (fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_CENTROID || fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET || fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE) { const struct tgsi_full_src_register *src0 = &fullinst->Src[0]; unsigned input; if (src0->Register.Indirect && src0->Indirect.ArrayID) input = info->input_array_first[src0->Indirect.ArrayID]; else input = src0->Register.Index; /* For the INTERP opcodes, the interpolation is always * PERSPECTIVE unless LINEAR is specified. */ switch (info->input_interpolate[input]) { case TGSI_INTERPOLATE_COLOR: case TGSI_INTERPOLATE_CONSTANT: case TGSI_INTERPOLATE_PERSPECTIVE: switch (fullinst->Instruction.Opcode) { case TGSI_OPCODE_INTERP_CENTROID: info->uses_persp_opcode_interp_centroid = TRUE; break; case TGSI_OPCODE_INTERP_OFFSET: info->uses_persp_opcode_interp_offset = TRUE; break; case TGSI_OPCODE_INTERP_SAMPLE: info->uses_persp_opcode_interp_sample = TRUE; break; } break; case TGSI_INTERPOLATE_LINEAR: switch (fullinst->Instruction.Opcode) { case TGSI_OPCODE_INTERP_CENTROID: info->uses_linear_opcode_interp_centroid = TRUE; break; case TGSI_OPCODE_INTERP_OFFSET: info->uses_linear_opcode_interp_offset = TRUE; break; case TGSI_OPCODE_INTERP_SAMPLE: info->uses_linear_opcode_interp_sample = TRUE; break; } break; } } if (fullinst->Instruction.Opcode >= TGSI_OPCODE_F2D && fullinst->Instruction.Opcode <= TGSI_OPCODE_DSSG) info->uses_doubles = TRUE; for (i = 0; i < fullinst->Instruction.NumSrcRegs; i++) { const struct tgsi_full_src_register *src = &fullinst->Src[i]; int ind = src->Register.Index; /* Mark which inputs are effectively used */ if (src->Register.File == TGSI_FILE_INPUT) { unsigned usage_mask; usage_mask = tgsi_util_get_inst_usage_mask(fullinst, i); if (src->Register.Indirect) { for (ind = 0; ind < info->num_inputs; ++ind) { info->input_usage_mask[ind] |= usage_mask; } } else { assert(ind >= 0); assert(ind < PIPE_MAX_SHADER_INPUTS); info->input_usage_mask[ind] |= usage_mask; } if (info->processor == PIPE_SHADER_FRAGMENT && !src->Register.Indirect) { unsigned name = info->input_semantic_name[src->Register.Index]; unsigned index = info->input_semantic_index[src->Register.Index]; if (name == TGSI_SEMANTIC_POSITION && (src->Register.SwizzleX == TGSI_SWIZZLE_Z || src->Register.SwizzleY == TGSI_SWIZZLE_Z || src->Register.SwizzleZ == TGSI_SWIZZLE_Z || src->Register.SwizzleW == TGSI_SWIZZLE_Z)) info->reads_z = TRUE; if (name == TGSI_SEMANTIC_COLOR) { unsigned mask = (1 << src->Register.SwizzleX) | (1 << src->Register.SwizzleY) | (1 << src->Register.SwizzleZ) | (1 << src->Register.SwizzleW); info->colors_read |= mask << (index * 4); } } } /* check for indirect register reads */ if (src->Register.Indirect) { info->indirect_files |= (1 << src->Register.File); info->indirect_files_read |= (1 << src->Register.File); } /* Texture samplers */ if (src->Register.File == TGSI_FILE_SAMPLER) { const unsigned index = src->Register.Index; assert(fullinst->Instruction.Texture); assert(index < ARRAY_SIZE(info->is_msaa_sampler)); assert(index < PIPE_MAX_SAMPLERS); if (is_texture_inst(fullinst->Instruction.Opcode)) { const unsigned target = fullinst->Texture.Texture; assert(target < TGSI_TEXTURE_UNKNOWN); /* for texture instructions, check that the texture instruction * target matches the previous sampler view declaration (if there * was one.) */ if (info->sampler_targets[index] == TGSI_TEXTURE_UNKNOWN) { /* probably no sampler view declaration */ info->sampler_targets[index] = target; } else { /* Make sure the texture instruction's sampler/target info * agrees with the sampler view declaration. */ assert(info->sampler_targets[index] == target); } /* MSAA samplers */ if (target == TGSI_TEXTURE_2D_MSAA || target == TGSI_TEXTURE_2D_ARRAY_MSAA) { info->is_msaa_sampler[src->Register.Index] = TRUE; } } } if (is_memory_file(src->Register.File)) { is_mem_inst = true; if (tgsi_get_opcode_info(fullinst->Instruction.Opcode)->is_store) { info->writes_memory = TRUE; if (src->Register.File == TGSI_FILE_IMAGE && !src->Register.Indirect) info->images_writemask |= 1 << src->Register.Index; } } } /* check for indirect register writes */ for (i = 0; i < fullinst->Instruction.NumDstRegs; i++) { const struct tgsi_full_dst_register *dst = &fullinst->Dst[i]; if (dst->Register.Indirect) { info->indirect_files |= (1 << dst->Register.File); info->indirect_files_written |= (1 << dst->Register.File); } if (is_memory_file(dst->Register.File)) { assert(fullinst->Instruction.Opcode == TGSI_OPCODE_STORE); is_mem_inst = true; info->writes_memory = TRUE; if (dst->Register.File == TGSI_FILE_IMAGE && !dst->Register.Indirect) info->images_writemask |= 1 << dst->Register.Index; } } if (is_mem_inst) info->num_memory_instructions++; info->num_instructions++; }
/** * Scan the given TGSI shader to collect information such as number of * registers used, special instructions used, etc. * \return info the result of the scan */ void tgsi_scan_shader(const struct tgsi_token *tokens, struct tgsi_shader_info *info) { uint procType, i; struct tgsi_parse_context parse; unsigned current_depth = 0; memset(info, 0, sizeof(*info)); for (i = 0; i < TGSI_FILE_COUNT; i++) info->file_max[i] = -1; for (i = 0; i < Elements(info->const_file_max); i++) info->const_file_max[i] = -1; info->properties[TGSI_PROPERTY_GS_INVOCATIONS] = 1; /** ** Setup to begin parsing input shader **/ if (tgsi_parse_init( &parse, tokens ) != TGSI_PARSE_OK) { debug_printf("tgsi_parse_init() failed in tgsi_scan_shader()!\n"); return; } procType = parse.FullHeader.Processor.Processor; assert(procType == TGSI_PROCESSOR_FRAGMENT || procType == TGSI_PROCESSOR_VERTEX || procType == TGSI_PROCESSOR_GEOMETRY || procType == TGSI_PROCESSOR_TESS_CTRL || procType == TGSI_PROCESSOR_TESS_EVAL || procType == TGSI_PROCESSOR_COMPUTE); info->processor = procType; /** ** Loop over incoming program tokens/instructions */ while( !tgsi_parse_end_of_tokens( &parse ) ) { info->num_tokens++; tgsi_parse_token( &parse ); switch( parse.FullToken.Token.Type ) { case TGSI_TOKEN_TYPE_INSTRUCTION: { const struct tgsi_full_instruction *fullinst = &parse.FullToken.FullInstruction; uint i; assert(fullinst->Instruction.Opcode < TGSI_OPCODE_LAST); info->opcode_count[fullinst->Instruction.Opcode]++; switch (fullinst->Instruction.Opcode) { case TGSI_OPCODE_IF: case TGSI_OPCODE_UIF: case TGSI_OPCODE_BGNLOOP: current_depth++; info->max_depth = MAX2(info->max_depth, current_depth); break; case TGSI_OPCODE_ENDIF: case TGSI_OPCODE_ENDLOOP: current_depth--; break; default: break; } if (fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_CENTROID || fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET || fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE) { const struct tgsi_full_src_register *src0 = &fullinst->Src[0]; unsigned input; if (src0->Register.Indirect && src0->Indirect.ArrayID) input = info->input_array_first[src0->Indirect.ArrayID]; else input = src0->Register.Index; /* For the INTERP opcodes, the interpolation is always * PERSPECTIVE unless LINEAR is specified. */ switch (info->input_interpolate[input]) { case TGSI_INTERPOLATE_COLOR: case TGSI_INTERPOLATE_CONSTANT: case TGSI_INTERPOLATE_PERSPECTIVE: switch (fullinst->Instruction.Opcode) { case TGSI_OPCODE_INTERP_CENTROID: info->uses_persp_opcode_interp_centroid = true; break; case TGSI_OPCODE_INTERP_OFFSET: info->uses_persp_opcode_interp_offset = true; break; case TGSI_OPCODE_INTERP_SAMPLE: info->uses_persp_opcode_interp_sample = true; break; } break; case TGSI_INTERPOLATE_LINEAR: switch (fullinst->Instruction.Opcode) { case TGSI_OPCODE_INTERP_CENTROID: info->uses_linear_opcode_interp_centroid = true; break; case TGSI_OPCODE_INTERP_OFFSET: info->uses_linear_opcode_interp_offset = true; break; case TGSI_OPCODE_INTERP_SAMPLE: info->uses_linear_opcode_interp_sample = true; break; } break; } } if (fullinst->Instruction.Opcode >= TGSI_OPCODE_F2D && fullinst->Instruction.Opcode <= TGSI_OPCODE_DSSG) info->uses_doubles = true; for (i = 0; i < fullinst->Instruction.NumSrcRegs; i++) { const struct tgsi_full_src_register *src = &fullinst->Src[i]; int ind = src->Register.Index; /* Mark which inputs are effectively used */ if (src->Register.File == TGSI_FILE_INPUT) { unsigned usage_mask; usage_mask = tgsi_util_get_inst_usage_mask(fullinst, i); if (src->Register.Indirect) { for (ind = 0; ind < info->num_inputs; ++ind) { info->input_usage_mask[ind] |= usage_mask; } } else { assert(ind >= 0); assert(ind < PIPE_MAX_SHADER_INPUTS); info->input_usage_mask[ind] |= usage_mask; } if (procType == TGSI_PROCESSOR_FRAGMENT && !src->Register.Indirect) { unsigned name = info->input_semantic_name[src->Register.Index]; unsigned index = info->input_semantic_index[src->Register.Index]; if (name == TGSI_SEMANTIC_POSITION && (src->Register.SwizzleX == TGSI_SWIZZLE_Z || src->Register.SwizzleY == TGSI_SWIZZLE_Z || src->Register.SwizzleZ == TGSI_SWIZZLE_Z || src->Register.SwizzleW == TGSI_SWIZZLE_Z)) info->reads_z = TRUE; if (name == TGSI_SEMANTIC_COLOR) { unsigned mask = (1 << src->Register.SwizzleX) | (1 << src->Register.SwizzleY) | (1 << src->Register.SwizzleZ) | (1 << src->Register.SwizzleW); info->colors_read |= mask << (index * 4); } } } /* check for indirect register reads */ if (src->Register.Indirect) { info->indirect_files |= (1 << src->Register.File); info->indirect_files_read |= (1 << src->Register.File); } /* MSAA samplers */ if (src->Register.File == TGSI_FILE_SAMPLER) { assert(fullinst->Instruction.Texture); assert(src->Register.Index < Elements(info->is_msaa_sampler)); if (fullinst->Instruction.Texture && (fullinst->Texture.Texture == TGSI_TEXTURE_2D_MSAA || fullinst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY_MSAA)) { info->is_msaa_sampler[src->Register.Index] = TRUE; } } } /* check for indirect register writes */ for (i = 0; i < fullinst->Instruction.NumDstRegs; i++) { const struct tgsi_full_dst_register *dst = &fullinst->Dst[i]; if (dst->Register.Indirect) { info->indirect_files |= (1 << dst->Register.File); info->indirect_files_written |= (1 << dst->Register.File); } } info->num_instructions++; } break; case TGSI_TOKEN_TYPE_DECLARATION: { const struct tgsi_full_declaration *fulldecl = &parse.FullToken.FullDeclaration; const uint file = fulldecl->Declaration.File; uint reg; if (fulldecl->Declaration.Array) { unsigned array_id = fulldecl->Array.ArrayID; switch (file) { case TGSI_FILE_INPUT: assert(array_id < ARRAY_SIZE(info->input_array_first)); info->input_array_first[array_id] = fulldecl->Range.First; info->input_array_last[array_id] = fulldecl->Range.Last; break; case TGSI_FILE_OUTPUT: assert(array_id < ARRAY_SIZE(info->output_array_first)); info->output_array_first[array_id] = fulldecl->Range.First; info->output_array_last[array_id] = fulldecl->Range.Last; break; } info->array_max[file] = MAX2(info->array_max[file], array_id); } for (reg = fulldecl->Range.First; reg <= fulldecl->Range.Last; reg++) { unsigned semName = fulldecl->Semantic.Name; unsigned semIndex = fulldecl->Semantic.Index + (reg - fulldecl->Range.First); /* only first 32 regs will appear in this bitfield */ info->file_mask[file] |= (1 << reg); info->file_count[file]++; info->file_max[file] = MAX2(info->file_max[file], (int)reg); if (file == TGSI_FILE_CONSTANT) { int buffer = 0; if (fulldecl->Declaration.Dimension) buffer = fulldecl->Dim.Index2D; info->const_file_max[buffer] = MAX2(info->const_file_max[buffer], (int)reg); } else if (file == TGSI_FILE_INPUT) { info->input_semantic_name[reg] = (ubyte) semName; info->input_semantic_index[reg] = (ubyte) semIndex; info->input_interpolate[reg] = (ubyte)fulldecl->Interp.Interpolate; info->input_interpolate_loc[reg] = (ubyte)fulldecl->Interp.Location; info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap; info->num_inputs++; /* Only interpolated varyings. Don't include POSITION. * Don't include integer varyings, because they are not * interpolated. */ if (semName == TGSI_SEMANTIC_GENERIC || semName == TGSI_SEMANTIC_TEXCOORD || semName == TGSI_SEMANTIC_COLOR || semName == TGSI_SEMANTIC_BCOLOR || semName == TGSI_SEMANTIC_FOG || semName == TGSI_SEMANTIC_CLIPDIST || semName == TGSI_SEMANTIC_CULLDIST) { switch (fulldecl->Interp.Interpolate) { case TGSI_INTERPOLATE_COLOR: case TGSI_INTERPOLATE_PERSPECTIVE: switch (fulldecl->Interp.Location) { case TGSI_INTERPOLATE_LOC_CENTER: info->uses_persp_center = true; break; case TGSI_INTERPOLATE_LOC_CENTROID: info->uses_persp_centroid = true; break; case TGSI_INTERPOLATE_LOC_SAMPLE: info->uses_persp_sample = true; break; } break; case TGSI_INTERPOLATE_LINEAR: switch (fulldecl->Interp.Location) { case TGSI_INTERPOLATE_LOC_CENTER: info->uses_linear_center = true; break; case TGSI_INTERPOLATE_LOC_CENTROID: info->uses_linear_centroid = true; break; case TGSI_INTERPOLATE_LOC_SAMPLE: info->uses_linear_sample = true; break; } break; /* TGSI_INTERPOLATE_CONSTANT doesn't do any interpolation. */ } } if (semName == TGSI_SEMANTIC_PRIMID) info->uses_primid = TRUE; else if (procType == TGSI_PROCESSOR_FRAGMENT) { if (semName == TGSI_SEMANTIC_POSITION) info->reads_position = TRUE; else if (semName == TGSI_SEMANTIC_FACE) info->uses_frontface = TRUE; } } else if (file == TGSI_FILE_SYSTEM_VALUE) { unsigned index = fulldecl->Range.First; info->system_value_semantic_name[index] = semName; info->num_system_values = MAX2(info->num_system_values, index + 1); if (semName == TGSI_SEMANTIC_INSTANCEID) { info->uses_instanceid = TRUE; } else if (semName == TGSI_SEMANTIC_VERTEXID) { info->uses_vertexid = TRUE; } else if (semName == TGSI_SEMANTIC_VERTEXID_NOBASE) { info->uses_vertexid_nobase = TRUE; } else if (semName == TGSI_SEMANTIC_BASEVERTEX) { info->uses_basevertex = TRUE; } else if (semName == TGSI_SEMANTIC_PRIMID) { info->uses_primid = TRUE; } else if (semName == TGSI_SEMANTIC_INVOCATIONID) { info->uses_invocationid = TRUE; } } else if (file == TGSI_FILE_OUTPUT) { info->output_semantic_name[reg] = (ubyte) semName; info->output_semantic_index[reg] = (ubyte) semIndex; info->num_outputs++; if (semName == TGSI_SEMANTIC_COLOR) info->colors_written |= 1 << semIndex; if (procType == TGSI_PROCESSOR_VERTEX || procType == TGSI_PROCESSOR_GEOMETRY || procType == TGSI_PROCESSOR_TESS_CTRL || procType == TGSI_PROCESSOR_TESS_EVAL) { if (semName == TGSI_SEMANTIC_VIEWPORT_INDEX) { info->writes_viewport_index = TRUE; } else if (semName == TGSI_SEMANTIC_LAYER) { info->writes_layer = TRUE; } else if (semName == TGSI_SEMANTIC_PSIZE) { info->writes_psize = TRUE; } else if (semName == TGSI_SEMANTIC_CLIPVERTEX) { info->writes_clipvertex = TRUE; } } if (procType == TGSI_PROCESSOR_FRAGMENT) { if (semName == TGSI_SEMANTIC_POSITION) { info->writes_z = TRUE; } else if (semName == TGSI_SEMANTIC_STENCIL) { info->writes_stencil = TRUE; } else if (semName == TGSI_SEMANTIC_SAMPLEMASK) { info->writes_samplemask = TRUE; } } if (procType == TGSI_PROCESSOR_VERTEX) { if (semName == TGSI_SEMANTIC_EDGEFLAG) { info->writes_edgeflag = TRUE; } } } else if (file == TGSI_FILE_SAMPLER) { info->samplers_declared |= 1 << reg; } } } break; case TGSI_TOKEN_TYPE_IMMEDIATE: { uint reg = info->immediate_count++; uint file = TGSI_FILE_IMMEDIATE; info->file_mask[file] |= (1 << reg); info->file_count[file]++; info->file_max[file] = MAX2(info->file_max[file], (int)reg); } break; case TGSI_TOKEN_TYPE_PROPERTY: { const struct tgsi_full_property *fullprop = &parse.FullToken.FullProperty; unsigned name = fullprop->Property.PropertyName; unsigned value = fullprop->u[0].Data; assert(name < Elements(info->properties)); info->properties[name] = value; switch (name) { case TGSI_PROPERTY_NUM_CLIPDIST_ENABLED: info->num_written_clipdistance = value; info->clipdist_writemask |= (1 << value) - 1; break; case TGSI_PROPERTY_NUM_CULLDIST_ENABLED: info->num_written_culldistance = value; info->culldist_writemask |= (1 << value) - 1; break; } } break; default: assert( 0 ); } } info->uses_kill = (info->opcode_count[TGSI_OPCODE_KILL_IF] || info->opcode_count[TGSI_OPCODE_KILL]); /* The dimensions of the IN decleration in geometry shader have * to be deduced from the type of the input primitive. */ if (procType == TGSI_PROCESSOR_GEOMETRY) { unsigned input_primitive = info->properties[TGSI_PROPERTY_GS_INPUT_PRIM]; int num_verts = u_vertices_per_prim(input_primitive); int j; info->file_count[TGSI_FILE_INPUT] = num_verts; info->file_max[TGSI_FILE_INPUT] = MAX2(info->file_max[TGSI_FILE_INPUT], num_verts - 1); for (j = 0; j < num_verts; ++j) { info->file_mask[TGSI_FILE_INPUT] |= (1 << j); } } tgsi_parse_free (&parse); }