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Diffstat (limited to 'src/3rdparty/glslang/glslang/MachineIndependent/reflection.h')
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diff --git a/src/3rdparty/glslang/glslang/MachineIndependent/reflection.h b/src/3rdparty/glslang/glslang/MachineIndependent/reflection.h new file mode 100644 index 0000000..44b17a0 --- /dev/null +++ b/src/3rdparty/glslang/glslang/MachineIndependent/reflection.h @@ -0,0 +1,203 @@ +// +// Copyright (C) 2013-2016 LunarG, Inc. +// +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// +// Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// +// Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following +// disclaimer in the documentation and/or other materials provided +// with the distribution. +// +// Neither the name of 3Dlabs Inc. Ltd. nor the names of its +// contributors may be used to endorse or promote products derived +// from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +// POSSIBILITY OF SUCH DAMAGE. +// + +#ifndef _REFLECTION_INCLUDED +#define _REFLECTION_INCLUDED + +#include "../Public/ShaderLang.h" +#include "../Include/Types.h" + +#include <list> +#include <set> + +// +// A reflection database and its interface, consistent with the OpenGL API reflection queries. +// + +namespace glslang { + +class TIntermediate; +class TIntermAggregate; +class TReflectionTraverser; + +// The full reflection database +class TReflection { +public: + TReflection(EShReflectionOptions opts, EShLanguage first, EShLanguage last) + : options(opts), firstStage(first), lastStage(last), badReflection(TObjectReflection::badReflection()) + { + for (int dim=0; dim<3; ++dim) + localSize[dim] = 0; + } + + virtual ~TReflection() {} + + // grow the reflection stage by stage + bool addStage(EShLanguage, const TIntermediate&); + + // for mapping a uniform index to a uniform object's description + int getNumUniforms() { return (int)indexToUniform.size(); } + const TObjectReflection& getUniform(int i) const + { + if (i >= 0 && i < (int)indexToUniform.size()) + return indexToUniform[i]; + else + return badReflection; + } + + // for mapping a block index to the block's description + int getNumUniformBlocks() const { return (int)indexToUniformBlock.size(); } + const TObjectReflection& getUniformBlock(int i) const + { + if (i >= 0 && i < (int)indexToUniformBlock.size()) + return indexToUniformBlock[i]; + else + return badReflection; + } + + // for mapping an pipeline input index to the input's description + int getNumPipeInputs() { return (int)indexToPipeInput.size(); } + const TObjectReflection& getPipeInput(int i) const + { + if (i >= 0 && i < (int)indexToPipeInput.size()) + return indexToPipeInput[i]; + else + return badReflection; + } + + // for mapping an pipeline output index to the output's description + int getNumPipeOutputs() { return (int)indexToPipeOutput.size(); } + const TObjectReflection& getPipeOutput(int i) const + { + if (i >= 0 && i < (int)indexToPipeOutput.size()) + return indexToPipeOutput[i]; + else + return badReflection; + } + + // for mapping from an atomic counter to the uniform index + int getNumAtomicCounters() const { return (int)atomicCounterUniformIndices.size(); } + const TObjectReflection& getAtomicCounter(int i) const + { + if (i >= 0 && i < (int)atomicCounterUniformIndices.size()) + return getUniform(atomicCounterUniformIndices[i]); + else + return badReflection; + } + + // for mapping a buffer variable index to a buffer variable object's description + int getNumBufferVariables() { return (int)indexToBufferVariable.size(); } + const TObjectReflection& getBufferVariable(int i) const + { + if (i >= 0 && i < (int)indexToBufferVariable.size()) + return indexToBufferVariable[i]; + else + return badReflection; + } + + // for mapping a storage block index to the storage block's description + int getNumStorageBuffers() const { return (int)indexToBufferBlock.size(); } + const TObjectReflection& getStorageBufferBlock(int i) const + { + if (i >= 0 && i < (int)indexToBufferBlock.size()) + return indexToBufferBlock[i]; + else + return badReflection; + } + + // for mapping any name to its index (block names, uniform names and input/output names) + int getIndex(const char* name) const + { + TNameToIndex::const_iterator it = nameToIndex.find(name); + if (it == nameToIndex.end()) + return -1; + else + 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; } + + void dump(); + +protected: + friend class glslang::TReflectionTraverser; + + void buildCounterIndices(const TIntermediate&); + void buildUniformStageMask(const TIntermediate& intermediate); + void buildAttributeReflection(EShLanguage, const TIntermediate&); + + // Need a TString hash: typedef std::unordered_map<TString, int> TNameToIndex; + typedef std::map<std::string, int> TNameToIndex; + typedef std::vector<TObjectReflection> TMapIndexToReflection; + typedef std::vector<int> TIndices; + + TMapIndexToReflection& GetBlockMapForStorage(TStorageQualifier storage) + { + if ((options & EShReflectionSeparateBuffers) && storage == EvqBuffer) + return indexToBufferBlock; + return indexToUniformBlock; + } + TMapIndexToReflection& GetVariableMapForStorage(TStorageQualifier storage) + { + if ((options & EShReflectionSeparateBuffers) && storage == EvqBuffer) + return indexToBufferVariable; + return indexToUniform; + } + + EShReflectionOptions options; + + EShLanguage firstStage; + EShLanguage lastStage; + + TObjectReflection badReflection; // return for queries of -1 or generally out of range; has expected descriptions with in it for this + TNameToIndex nameToIndex; // maps names to indexes; can hold all types of data: uniform/buffer and which function names have been processed + TMapIndexToReflection indexToUniform; + TMapIndexToReflection indexToUniformBlock; + TMapIndexToReflection indexToBufferVariable; + TMapIndexToReflection indexToBufferBlock; + TMapIndexToReflection indexToPipeInput; + TMapIndexToReflection indexToPipeOutput; + TIndices atomicCounterUniformIndices; + + unsigned int localSize[3]; +}; + +} // end namespace glslang + +#endif // _REFLECTION_INCLUDED |