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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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9
glslang/MachineIndependent/Versions.cpp
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@ -157,8 +157,9 @@ void TParseContext::initializeExtensionBehavior()
extensionBehavior[GL_ARB_texture_rectangle] = EBhDisable;
extensionBehavior[GL_3DL_array_objects] = EBhDisable;
extensionBehavior[GL_ARB_shading_language_420pack] = EBhDisable;
extensionBehavior[GL_ARB_shading_language_420pack] = EBhDisablePartial;
extensionBehavior[GL_ARB_texture_gather] = EBhDisable;
extensionBehavior[GL_ARB_gpu_shader5] = EBhDisablePartial;
extensionBehavior[GL_ARB_separate_shader_objects] = EBhDisable;
}
@ -180,6 +181,7 @@ const char* TParseContext::getPreamble()
"#define GL_ARB_texture_rectangle 1\n"
"#define GL_ARB_shading_language_420pack 1\n"
"#define GL_ARB_texture_gather 1\n"
"#define GL_ARB_gpu_shader5 1\n"
"#define GL_ARB_separate_shader_objects 1\n";
}
}
@ -435,8 +437,11 @@ void TParseContext::updateExtensionBehavior(const char* extension, const char* b
}
return;
} else
} else {
if (iter->second == EBhDisablePartial)
warn(getCurrentLoc(), "extension is only partially supported:", "#extension", extension);
iter->second = behavior;
}
}
}