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Skip dummy unused second component for 1D non-array shadows.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@20704 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-02-26 19:48:48 +00:00
parent b3338b307f
commit df807514b6
2 changed files with 28 additions and 25 deletions
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6
glslang/MachineIndependent/Initialize.cpp
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@ -986,7 +986,11 @@ void TBuiltIns::addSamplingFunctions(TSampler sampler, TString& typeName, int ve
for (int extraProj = 0; extraProj <= 1; ++extraProj) {
bool compare = false;
int totalDims = dimMap[sampler.dim] + proj + (sampler.arrayed ? 1 : 0) + (sampler.shadow ? 1 : 0);
int totalDims = dimMap[sampler.dim] + (sampler.arrayed ? 1 : 0);
// skip dummy unused second component for 1D non-array shadows
if (sampler.shadow && totalDims < 2)
totalDims = 2;
totalDims += (sampler.shadow ? 1 : 0) + proj;
if (totalDims > 4 && sampler.shadow) {
compare = true;
totalDims = 4;