diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_scan.c | 105 |
1 files changed, 57 insertions, 48 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c index a3b0d9f4129..39e4dd93e63 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.c +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c @@ -102,6 +102,7 @@ scan_instruction(struct tgsi_shader_info *info, { unsigned i; bool is_mem_inst = false; + bool is_interp_instruction = false; assert(fullinst->Instruction.Opcode < TGSI_OPCODE_LAST); info->opcode_count[fullinst->Instruction.Opcode]++; @@ -127,6 +128,8 @@ scan_instruction(struct tgsi_shader_info *info, const struct tgsi_full_src_register *src0 = &fullinst->Src[0]; unsigned input; + is_interp_instruction = true; + if (src0->Register.Indirect && src0->Indirect.ArrayID) input = info->input_array_first[src0->Indirect.ArrayID]; else @@ -190,12 +193,16 @@ scan_instruction(struct tgsi_shader_info *info, 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 (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 || @@ -213,6 +220,50 @@ scan_instruction(struct tgsi_shader_info *info, 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[index]) { + case TGSI_INTERPOLATE_COLOR: + case TGSI_INTERPOLATE_PERSPECTIVE: + switch (info->input_interpolate_loc[index]) { + 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[index]) { + 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. */ + } + } } } @@ -357,48 +408,6 @@ scan_declaration(struct tgsi_shader_info *info, assert(reg < 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) { - 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 == PIPE_SHADER_FRAGMENT) { |