int resolveBinding(EShLanguage /*stage*/, const char* /*name*/, const glslang::TType& type, bool is_live) override
{
int set;
if (type.getQualifier().hasSet())
set = type.getQualifier().layoutSet;
else
set = 0;
if (type.getQualifier().hasBinding()) {
if (type.getBasicType() == glslang::EbtSampler) {
const glslang::TSampler& sampler = type.getSampler();
if (sampler.isImage())
return reserveSlot(set, baseImageBinding + type.getQualifier().layoutBinding);
if (sampler.isPureSampler())
return reserveSlot(set, baseSamplerBinding + type.getQualifier().layoutBinding);
if (sampler.isTexture())
return reserveSlot(set, baseTextureBinding + type.getQualifier().layoutBinding);
}
if (type.getQualifier().storage == EvqUniform)
return reserveSlot(set, baseUboBinding + type.getQualifier().layoutBinding);
if (type.getQualifier().storage == EvqBuffer)
return reserveSlot(set, baseSsboBinding + type.getQualifier().layoutBinding);
} else if (is_live && doAutoMapping) {
// find free slot, the caller did make sure it passes all vars with binding
// first and now all are passed that do not have a binding and needs one
if (type.getBasicType() == glslang::EbtSampler) {
const glslang::TSampler& sampler = type.getSampler();
if (sampler.isImage())
return getFreeSlot(set, baseImageBinding);
if (sampler.isPureSampler())
return getFreeSlot(set, baseSamplerBinding);
if (sampler.isTexture())
return getFreeSlot(set, baseTextureBinding);
}
if (type.getQualifier().storage == EvqUniform)
return getFreeSlot(set, baseUboBinding);
if (type.getQualifier().storage == EvqBuffer)
return getFreeSlot(set, baseSsboBinding);
}
return -1;
}
bool validateBinding(EShLanguage /*stage*/, const char* /*name*/, const glslang::TType& type, bool /*is_live*/) override
{
if (type.getQualifier().hasBinding()) {
int set;
if (type.getQualifier().hasSet())
set = type.getQualifier().layoutSet;
else
set = 0;
if (type.getBasicType() == glslang::EbtSampler) {
const glslang::TSampler& sampler = type.getSampler();
if (sampler.isPureSampler())
return checkEmpty(set, baseSamplerBinding + type.getQualifier().layoutBinding);
if (sampler.isTexture())
return checkEmpty(set, baseTextureBinding + type.getQualifier().layoutBinding);
}
if (type.getQualifier().storage == EvqUniform)
return checkEmpty(set, baseUboBinding + type.getQualifier().layoutBinding);
if (type.getQualifier().storage == EvqBuffer)
return checkEmpty(set, baseSsboBinding + type.getQualifier().layoutBinding);
}
return true;
}
int resolveUniformLocation(EShLanguage /*stage*/, const char* /*name*/, const glslang::TType& type, bool /*is_live*/) override
{
// kick out of not doing this
if (!doAutoLocationMapping())
return -1;
// no locations added if already present, a built-in variable, a block, or an opaque
if (type.getQualifier().hasLocation() || type.isBuiltIn() ||
type.getBasicType() == EbtBlock ||
type.getBasicType() == EbtAtomicUint ||
(type.containsOpaque() && intermediate.getSpv().openGl == 0))
return -1;
// no locations on blocks of built-in variables
if (type.isStruct()) {
if (type.getStruct()->size() < 1)
return -1;
if ((*type.getStruct())[0].type->isBuiltIn())
return -1;
}
int location = nextUniformLocation;
nextUniformLocation += TIntermediate::computeTypeUniformLocationSize(type);
return location;
}