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Merge pull request #835 from steve-lunarg/sb-counters

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HLSL: structuredbuffer counter functionality
This commit is contained in:
John Kessenich 2017-04-19 17:42:22 -06:00 • committed by GitHub
commit a8d3db6b32
15 changed files with 847 additions and 27 deletions
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1
glslang/MachineIndependent/ShaderLang.cpp
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@ -1778,6 +1778,7 @@ const char* TProgram::getUniformBlockName(int index) const { return reflection
int TProgram::getUniformBlockSize(int index) const { return reflection->getUniformBlock(index).size; }
int TProgram::getUniformIndex(const char* name) const { return reflection->getIndex(name); }
int TProgram::getUniformBlockIndex(int index) const { return reflection->getUniform(index).index; }
int TProgram::getUniformBlockCounterIndex(int index) const { return reflection->getUniformBlock(index).counterIndex; }
int TProgram::getUniformType(int index) const { return reflection->getUniform(index).glDefineType; }
int TProgram::getUniformBufferOffset(int index) const { return reflection->getUniform(index).offset; }
int TProgram::getUniformArraySize(int index) const { return reflection->getUniform(index).size; }

15
glslang/MachineIndependent/reflection.cpp
View file

@ -707,6 +707,19 @@ void TReflection::buildAttributeReflection(EShLanguage stage, const TIntermediat
}
}
// build counter block index associations for buffers
void TReflection::buildCounterIndices()
{
// search for ones that have counters
for (int i = 0; i < int(indexToUniformBlock.size()); ++i) {
const TString counterName(indexToUniformBlock[i].name + "@count");
const int index = getIndex(counterName);
if (index >= 0)
indexToUniformBlock[i].counterIndex = index;
}
}
// Merge live symbols from 'intermediate' into the existing reflection database.
//
// Returns false if the input is too malformed to do this.
@ -729,6 +742,8 @@ bool TReflection::addStage(EShLanguage stage, const TIntermediate& intermediate)
function->traverse(&it);
}
buildCounterIndices();
return true;
}

14
glslang/MachineIndependent/reflection.h
View file

@ -57,11 +57,16 @@ class TObjectReflection {
public:
TObjectReflection(const TString& pName, const TType& pType, int pOffset, int pGLDefineType, int pSize, int pIndex) :
name(pName), offset(pOffset),
glDefineType(pGLDefineType), size(pSize), index(pIndex), type(pType.clone()) { }
glDefineType(pGLDefineType), size(pSize), index(pIndex), counterIndex(-1), type(pType.clone()) { }
void dump() const {
printf("%s: offset %d, type %x, size %d, index %d, binding %d\n",
printf("%s: offset %d, type %x, size %d, index %d, binding %d",
name.c_str(), offset, glDefineType, size, index, getBinding() );
if (counterIndex != -1)
printf(", counter %d", counterIndex);
printf("\n");
}
const TType* const getType() const { return type; }
@ -71,6 +76,7 @@ public:
int glDefineType;
int size; // data size in bytes for a block, array size for a (non-block) object that's an array
int index;
int counterIndex;
static TObjectReflection badReflection() { return TObjectReflection(); }
@ -140,6 +146,9 @@ public:
return it->second;
}
// see getIndex(const char*)
int getIndex(const TString& name) const { return getIndex(name.c_str()); }
// Thread local size
unsigned getLocalSize(int dim) const { return dim <= 2 ? localSize[dim] : 0; }
@ -148,6 +157,7 @@ public:
protected:
friend class glslang::TReflectionTraverser;
void buildCounterIndices();
void buildAttributeReflection(EShLanguage, const TIntermediate&);
// Need a TString hash: typedef std::unordered_map<TString, int> TNameToIndex;