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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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31
Test/130.frag
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@ -65,3 +65,34 @@ void bar2()
int(bl4) <= int(bl4); // true
int(bl4.x) > int(bl4.y); // false
}
#extension GL_ARB_texture_gather : enable
#extension GL_ARB_texture_rectangle : enable
uniform sampler2D samp2D;
uniform sampler2DShadow samp2DS;
uniform sampler2DRect samp2DR;
uniform sampler2DArray samp2DA;
void bar23()
{
vec4 s;
s = textureGatherOffset(sampC, vec3(0.3), ivec2(1)); // ERROR
s = textureGatherOffset(samp2DR, vec2(0.3), ivec2(1)); // ERROR
s = textureGatherOffset(samp2D, vec2(0.3), ivec2(1));
s = textureGatherOffset(samp2DA, vec3(0.3), ivec2(1));
s = textureGatherOffset(samp2DS, vec2(0.3), 1.3, ivec2(1)); // ERROR
s = textureGatherOffset(samp2D, vec2(0.3), ivec2(1), 2); // ERROR
}
#extension GL_ARB_gpu_shader5 : enable
void bar234()
{
vec4 s;
s = textureGatherOffset(samp2D, vec2(0.3), ivec2(1));
s = textureGatherOffset(samp2DA, vec3(0.3), ivec2(1));
s = textureGatherOffset(samp2DR, vec2(0.3), ivec2(1));
s = textureGatherOffset(samp2DS, vec2(0.3), 1.3, ivec2(1));
s = textureGatherOffset(samp2D, vec2(0.3), ivec2(1), 2);
}