diff options
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_scan.c | 91 | ||||
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_scan.h | 13 |
2 files changed, 101 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c index 66306d7d5d2..00b07c877a8 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.c +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c @@ -116,6 +116,53 @@ tgsi_scan_shader(const struct tgsi_token *tokens, break; } + if (fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_CENTROID || + fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_OFFSET || + fullinst->Instruction.Opcode == TGSI_OPCODE_INTERP_SAMPLE) { + 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; @@ -236,8 +283,48 @@ tgsi_scan_shader(const struct tgsi_token *tokens, info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap; info->num_inputs++; - if (fulldecl->Interp.Location == TGSI_INTERPOLATE_LOC_CENTROID) - info->uses_centroid = TRUE; + /* 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; diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h b/src/gallium/auxiliary/tgsi/tgsi_scan.h index 42539ee9f45..3ceb55717ee 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_scan.h +++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h @@ -82,7 +82,18 @@ struct tgsi_shader_info boolean writes_stencil; /**< does fragment shader write stencil value? */ boolean writes_edgeflag; /**< vertex shader outputs edgeflag */ boolean uses_kill; /**< KILL or KILL_IF instruction used? */ - boolean uses_centroid; + boolean uses_persp_center; + boolean uses_persp_centroid; + boolean uses_persp_sample; + boolean uses_linear_center; + boolean uses_linear_centroid; + boolean uses_linear_sample; + boolean uses_persp_opcode_interp_centroid; + boolean uses_persp_opcode_interp_offset; + boolean uses_persp_opcode_interp_sample; + boolean uses_linear_opcode_interp_centroid; + boolean uses_linear_opcode_interp_offset; + boolean uses_linear_opcode_interp_sample; boolean uses_instanceid; boolean uses_vertexid; boolean uses_vertexid_nobase; |