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nv50/ir: using sampleid/pos shouldn't force per-sample interpolation

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See https://www.khronos.org/bugzilla/show_bug.cgi?id=1462

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin
2016-02-27 11:05:04 -05:00
parent 313205cb8f
commit fa43c4bd99
2 changed files with 1 additions and 6 deletions
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1
src/gallium/drivers/nouveau/codegen/nv50_ir_driver.h
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@@ -146,7 +146,6 @@ struct nv50_ir_prog_info
bool earlyFragTests;
bool separateFragData;
bool usesDiscard;
bool sampleInterp; /* perform sample interp on all fp inputs */
} fp;
struct {
uint32_t inputOffset; /* base address for user args */

6
src/gallium/drivers/nouveau/codegen/nv50_ir_from_tgsi.cpp
View File

@@ -1182,10 +1182,6 @@ bool Source::scanDeclaration(const struct tgsi_full_declaration *decl)
case TGSI_SEMANTIC_VERTEXID:
info->io.vertexId = first;
break;
case TGSI_SEMANTIC_SAMPLEID:
case TGSI_SEMANTIC_SAMPLEPOS:
info->prop.fp.sampleInterp = 1;
break;
case TGSI_SEMANTIC_BASEVERTEX:
case TGSI_SEMANTIC_BASEINSTANCE:
case TGSI_SEMANTIC_DRAWID:
@@ -1564,7 +1560,7 @@ Converter::translateInterpMode(const struct nv50_ir_varying *var, operation& op)
op = (mode == NV50_IR_INTERP_PERSPECTIVE || mode == NV50_IR_INTERP_SC)
? OP_PINTERP : OP_LINTERP;
if (var->centroid || info->prop.fp.sampleInterp)
if (var->centroid)
mode |= NV50_IR_INTERP_CENTROID;
return mode;