Method addSubpassSampling

glslang/MachineIndependent/Initialize.cpp:7843–7852

Helper function for initialize(), when adding context-independent built-in functions. Add all the subpass access functions for the given type.

// Add all the subpass access functions for the given type.
//
void TBuiltIns::addSubpassSampling(TSampler sampler, const TString& typeName, int /*version*/, EProfile /*profile*/)
{
    stageBuiltins[EShLangFragment].append(prefixes[sampler.type]);
    stageBuiltins[EShLangFragment].append("vec4 subpassLoad");
    stageBuiltins[EShLangFragment].append("(");
    stageBuiltins[EShLangFragment].append(typeName.c_str());
    if (sampler.isMultiSample())
        stageBuiltins[EShLangFragment].append(", int");
    stageBuiltins[EShLangFragment].append(");\n");
}

//
// Helper function for add2ndGenerationSamplingImaging(),