diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_scan.c | 354 |
1 files changed, 183 insertions, 171 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c index 517b98387a1..00f55c75cc6 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.c +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c @@ -103,6 +103,186 @@ computes_derivative(unsigned opcode) static void +scan_src_operand(struct tgsi_shader_info *info, + const struct tgsi_full_instruction *fullinst, + const struct tgsi_full_src_register *src, + unsigned src_index, + unsigned usage_mask, + bool is_interp_instruction, + bool *is_mem_inst) +{ + int ind = src->Register.Index; + + /* Mark which inputs are effectively used */ + if (src->Register.File == TGSI_FILE_INPUT) { + 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) { + unsigned name, index, input; + + if (src->Register.Indirect && src->Indirect.ArrayID) + input = info->input_array_first[src->Indirect.ArrayID]; + else + input = src->Register.Index; + + name = info->input_semantic_name[input]; + index = info->input_semantic_index[input]; + + 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); + } + + /* Process only interpolated varyings. Don't include POSITION. + * Don't include integer varyings, because they are not + * interpolated. Don't process inputs interpolated by INTERP + * opcodes. Those are tracked separately. + */ + if ((!is_interp_instruction || src_index != 0) && + (name == TGSI_SEMANTIC_GENERIC || + name == TGSI_SEMANTIC_TEXCOORD || + name == TGSI_SEMANTIC_COLOR || + name == TGSI_SEMANTIC_BCOLOR || + name == TGSI_SEMANTIC_FOG || + name == TGSI_SEMANTIC_CLIPDIST)) { + switch (info->input_interpolate[input]) { + case TGSI_INTERPOLATE_COLOR: + case TGSI_INTERPOLATE_PERSPECTIVE: + switch (info->input_interpolate_loc[input]) { + 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 (info->input_interpolate_loc[input]) { + 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. */ + } + } + } + } + + /* check for indirect register reads */ + if (src->Register.Indirect) { + info->indirect_files |= (1 << src->Register.File); + info->indirect_files_read |= (1 << src->Register.File); + + /* record indirect constant buffer indexing */ + if (src->Register.File == TGSI_FILE_CONSTANT) { + if (src->Register.Dimension) { + if (src->Dimension.Indirect) + info->const_buffers_indirect = info->const_buffers_declared; + else + info->const_buffers_indirect |= 1u << src->Dimension.Index; + } else { + info->const_buffers_indirect |= 1; + } + } + } + + if (src->Register.Dimension && src->Dimension.Indirect) + info->dim_indirect_files |= 1u << 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_query_inst(fullinst->Instruction.Opcode)) { + *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) { + if (src->Register.Indirect) + info->images_writemask = info->images_declared; + else + info->images_writemask |= 1 << src->Register.Index; + } else if (src->Register.File == TGSI_FILE_BUFFER) { + if (src->Register.Indirect) + info->shader_buffers_atomic = info->shader_buffers_declared; + else + info->shader_buffers_atomic |= 1 << src->Register.Index; + } + } else { + if (src->Register.File == TGSI_FILE_BUFFER) { + if (src->Register.Indirect) + info->shader_buffers_load = info->shader_buffers_declared; + else + info->shader_buffers_load |= 1 << src->Register.Index; + } + } + } +} + + +static void scan_instruction(struct tgsi_shader_info *info, const struct tgsi_full_instruction *fullinst, unsigned *current_depth) @@ -183,177 +363,9 @@ scan_instruction(struct tgsi_shader_info *info, 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) { - unsigned name, index, input; - - if (src->Register.Indirect && src->Indirect.ArrayID) - input = info->input_array_first[src->Indirect.ArrayID]; - else - input = src->Register.Index; - - name = info->input_semantic_name[input]; - index = info->input_semantic_index[input]; - - 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); - } - - /* Process only interpolated varyings. Don't include POSITION. - * Don't include integer varyings, because they are not - * interpolated. Don't process inputs interpolated by INTERP - * opcodes. Those are tracked separately. - */ - if ((!is_interp_instruction || i != 0) && - (name == TGSI_SEMANTIC_GENERIC || - name == TGSI_SEMANTIC_TEXCOORD || - name == TGSI_SEMANTIC_COLOR || - name == TGSI_SEMANTIC_BCOLOR || - name == TGSI_SEMANTIC_FOG || - name == TGSI_SEMANTIC_CLIPDIST)) { - switch (info->input_interpolate[input]) { - case TGSI_INTERPOLATE_COLOR: - case TGSI_INTERPOLATE_PERSPECTIVE: - switch (info->input_interpolate_loc[input]) { - 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 (info->input_interpolate_loc[input]) { - 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. */ - } - } - } - } - - /* check for indirect register reads */ - if (src->Register.Indirect) { - info->indirect_files |= (1 << src->Register.File); - info->indirect_files_read |= (1 << src->Register.File); - - /* record indirect constant buffer indexing */ - if (src->Register.File == TGSI_FILE_CONSTANT) { - if (src->Register.Dimension) { - if (src->Dimension.Indirect) - info->const_buffers_indirect = info->const_buffers_declared; - else - info->const_buffers_indirect |= 1u << src->Dimension.Index; - } else { - info->const_buffers_indirect |= 1; - } - } - } - - if (src->Register.Dimension && src->Dimension.Indirect) - info->dim_indirect_files |= 1u << 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_query_inst(fullinst->Instruction.Opcode)) { - 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) { - if (src->Register.Indirect) - info->images_writemask = info->images_declared; - else - info->images_writemask |= 1 << src->Register.Index; - } else if (src->Register.File == TGSI_FILE_BUFFER) { - if (src->Register.Indirect) - info->shader_buffers_atomic = info->shader_buffers_declared; - else - info->shader_buffers_atomic |= 1 << src->Register.Index; - } - } else { - if (src->Register.File == TGSI_FILE_BUFFER) { - if (src->Register.Indirect) - info->shader_buffers_load = info->shader_buffers_declared; - else - info->shader_buffers_load |= 1 << src->Register.Index; - } - } - } + scan_src_operand(info, fullinst, &fullinst->Src[i], i, + tgsi_util_get_inst_usage_mask(fullinst, i), + is_interp_instruction, &is_mem_inst); } /* check for indirect register writes */ |