BeeEngine/glslang-zig
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Fix issues from review comments and those relevant to texelFetch

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This commit is contained in:
Rex Xu 2015-09-16 11:44:02 +08:00
parent 30f9258d5e
commit 04db3f5aa4
4 changed files with 45 additions and 26 deletions
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16
glslang/Include/intermediate.h
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@ -617,6 +617,7 @@ struct TCrackedTextureOp {
bool query;
bool proj;
bool lod;
bool sample;
bool fetch;
bool offset;
bool offsets;
@ -639,11 +640,12 @@ public:
bool isImage() const { return op > EOpImageGuardBegin && op < EOpImageGuardEnd; }
// Crack the op into the individual dimensions of texturing operation.
void crackTexture(TCrackedTextureOp& cracked) const
void crackTexture(TSampler sampler, TCrackedTextureOp& cracked) const
{
cracked.query = false;
cracked.proj = false;
cracked.lod = false;
cracked.sample = false;
cracked.fetch = false;
cracked.offset = false;
cracked.offsets = false;
@ -670,10 +672,22 @@ public:
break;
case EOpTextureFetch:
cracked.fetch = true;
if (sampler.dim == Esd1D || sampler.dim == Esd2D || sampler.dim == Esd3D) {
if (sampler.ms)
cracked.sample = true;
else
cracked.lod = true;
}
break;
case EOpTextureFetchOffset:
cracked.fetch = true;
cracked.offset = true;
if (sampler.dim == Esd1D || sampler.dim == Esd2D || sampler.dim == Esd3D) {
if (sampler.ms)
cracked.sample = true;
else
cracked.lod = true;
}
break;
case EOpTextureProjOffset:
cracked.offset = true;