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Correct textureGather*() extension support:

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- add extension behavior and warning message for partial extension support
 - add partial support for gpu_shader5 for textureGather*
 - add interactions between texture rectangle and textureGather*
 - add checks to distinguish between gpu_shader5 and texture_gather extension feature differences


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24183 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-11-23 21:10:51 +00:00
parent 5b9f98854c
commit d6bef9186b
11 changed files with 347 additions and 140 deletions
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8
glslang/MachineIndependent/Initialize.cpp
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@ -1498,8 +1498,6 @@ void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile)
if ((dim == Esd1D || dim == EsdRect) && profile == EEsProfile)
continue;
if (dim == EsdRect && version < 140)
continue;
if (dim != Esd2D && ms)
continue;
if ((dim == Esd3D || dim == EsdRect) && arrayed)
@ -1518,6 +1516,9 @@ void TBuiltIns::add2ndGenerationSamplingImaging(int version, EProfile profile)
if (shadow && bType > 0)
continue;
if (dim == EsdRect && version < 140 && bType > 0)
continue;
//
// Now, make all the function prototypes for the type we just built...
//
@ -1800,6 +1801,9 @@ void TBuiltIns::addGatherFunctions(TSampler sampler, TString& typeName, int vers
if (sampler.ms)
return;
if (version < 140 && sampler.dim == EsdRect && sampler.type != EbtFloat)
return;
// make one string per stage to contain all functions of the passed-in type for that stage
TString functions[EShLangCount];