SPV: Fix an issue related with using CubeArrayShadow for texture()

2015-11-11 15:35:47 +08:00
parent 2c03478442
commit 71519fe70b
5 changed files with 298 additions and 311 deletions
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -1901,9 +1901,11 @@ spv::Id TGlslangToSpvTraverser::createImageTextureFunctionCall(glslang::TIntermO

    // Check for texture functions other than queries

+    bool cubeCompare = sampler.dim == glslang::EsdCube && sampler.arrayed && sampler.shadow;
+
    // check for bias argument
    bool bias = false;
-    if (! cracked.lod && ! cracked.gather && ! cracked.grad && ! cracked.fetch) {
+    if (! cracked.lod && ! cracked.gather && ! cracked.grad && ! cracked.fetch && ! cubeCompare) {
        int nonBiasArgCount = 2;
        if (cracked.offset)
            ++nonBiasArgCount;