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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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47
Test/300.frag
View File

@ -28,32 +28,31 @@ in ivec2 ic2D;
in ivec3 ic3D;
in ivec4 ic4D;
out vec4 FragData;
void main()
{
vec4 v = texture(s2D, c2D);
v += textureProj(s3D, c4D);
v += textureLod(s2DArray, c3D, 1.2);
v.y += textureOffset(s2DShadow, c3D, ic2D, c1D);
v += texelFetch(s3D, ic3D, ic1D);
v += texelFetchOffset(s2D, ic2D, 4, ic2D);
v.y += textureLodOffset(s2DShadow, c3D, c1D, ic2D);
v += textureProjLodOffset(s2D, c3D, c1D, ic2D);
v += textureGrad(sCube, c3D, c3D, c3D);
v.x += textureGradOffset(s2DArrayShadow, c4D, c2D, c2D, ic2D);
v += textureProjGrad(s3D, c4D, c3D, c3D);
v += textureProjGradOffset(s2D, c3D, c2D, c2D, ic2D);
float f;
vec4 v;
v = texture(s2D, c2D);
v = textureProj(s3D, c4D);
v = textureLod(s2DArray, c3D, 1.2);
f = textureOffset(s2DShadow, c3D, ic2D, c1D);
v = texelFetch(s3D, ic3D, ic1D);
v = texelFetchOffset(s2D, ic2D, 4, ic2D);
f = textureLodOffset(s2DShadow, c3D, c1D, ic2D);
v = textureProjLodOffset(s2D, c3D, c1D, ic2D);
v = textureGrad(sCube, c3D, c3D, c3D);
f = textureGradOffset(s2DArrayShadow, c4D, c2D, c2D, ic2D);
v = textureProjGrad(s3D, c4D, c3D, c3D);
v = textureProjGradOffset(s2D, c3D, c2D, c2D, ic2D);
ivec4 iv = texture(is2D, c2D);
iv += textureProjOffset(is2D, c4D, ic2D);
iv += textureProjLod(is2D, c3D, c1D);
iv += textureProjGrad(is2D, c3D, c2D, c2D);
iv += texture(is3D, c3D, 4.2);
iv += textureLod(isCube, c3D, c1D);
iv += texelFetch(is2DArray, ic3D, ic1D);
ivec4 iv;
iv = texture(is2D, c2D);
iv = textureProjOffset(is2D, c4D, ic2D);
iv = textureProjLod(is2D, c3D, c1D);
iv = textureProjGrad(is2D, c3D, c2D, c2D);
iv = texture(is3D, c3D, 4.2);
iv = textureLod(isCube, c3D, c1D);
iv = texelFetch(is2DArray, ic3D, ic1D);
iv.xy += textureSize(sCubeShadow, 2);
FragData = v + vec4(iv);
iv.xy = textureSize(sCubeShadow, 2);
}

6
glslang/MachineIndependent/Initialize.cpp
View File

@ -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;