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//
// Copyright (c) 2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// UniformHLSL.h:
// Methods for GLSL to HLSL translation for uniforms and uniform blocks.
//
#ifndef COMPILER_TRANSLATOR_UNIFORMHLSL_H_
#define COMPILER_TRANSLATOR_UNIFORMHLSL_H_
#include "compiler/translator/OutputHLSL.h"
#include "compiler/translator/UtilsHLSL.h"
namespace sh
{
class StructureHLSL;
class TSymbolTable;
class UniformHLSL : angle::NonCopyable
{
public:
UniformHLSL(sh::GLenum shaderType,
StructureHLSL *structureHLSL,
ShShaderOutput outputType,
const std::vector<Uniform> &uniforms);
void reserveUniformRegisters(unsigned int registerCount);
void reserveUniformBlockRegisters(unsigned int registerCount);
void uniformsHeader(TInfoSinkBase &out,
ShShaderOutput outputType,
const ReferencedSymbols &referencedUniforms,
TSymbolTable *symbolTable);
// Must be called after uniformsHeader
void samplerMetadataUniforms(TInfoSinkBase &out, const char *reg);
TString uniformBlocksHeader(const ReferencedSymbols &referencedInterfaceBlocks);
// Used for direct index references
static TString uniformBlockInstanceString(const TInterfaceBlock &interfaceBlock,
unsigned int arrayIndex);
const std::map<std::string, unsigned int> &getUniformBlockRegisterMap() const
{
return mUniformBlockRegisterMap;
}
const std::map<std::string, unsigned int> &getUniformRegisterMap() const
{
return mUniformRegisterMap;
}
private:
TString uniformBlockString(const TInterfaceBlock &interfaceBlock,
unsigned int registerIndex,
unsigned int arrayIndex);
TString uniformBlockMembersString(const TInterfaceBlock &interfaceBlock,
TLayoutBlockStorage blockStorage);
TString uniformBlockStructString(const TInterfaceBlock &interfaceBlock);
const Uniform *findUniformByName(const TString &name) const;
void outputHLSL4_0_FL9_3Sampler(TInfoSinkBase &out,
const TType &type,
const TName &name,
const unsigned int registerIndex);
void outputHLSL4_1_FL11Texture(TInfoSinkBase &out,
const TType &type,
const TName &name,
const unsigned int registerIndex);
void outputHLSL4_1_FL11RWTexture(TInfoSinkBase &out,
const TType &type,
const TName &name,
const unsigned int registerIndex);
void outputUniform(TInfoSinkBase &out,
const TType &type,
const TName &name,
const unsigned int registerIndex);
// Returns the uniform's register index
unsigned int assignUniformRegister(const TType &type,
const TString &name,
unsigned int *outRegisterCount);
unsigned int assignSamplerInStructUniformRegister(const TType &type,
const TString &name,
unsigned int *outRegisterCount);
void outputHLSLSamplerUniformGroup(
TInfoSinkBase &out,
const HLSLTextureGroup textureGroup,
const TVector<const TIntermSymbol *> &group,
const TMap<const TIntermSymbol *, TString> &samplerInStructSymbolsToAPINames,
unsigned int *groupTextureRegisterIndex);
unsigned int mUniformRegister;
unsigned int mUniformBlockRegister;
unsigned int mTextureRegister;
unsigned int mRWTextureRegister;
unsigned int mSamplerCount;
sh::GLenum mShaderType;
StructureHLSL *mStructureHLSL;
ShShaderOutput mOutputType;
const std::vector<Uniform> &mUniforms;
std::map<std::string, unsigned int> mUniformBlockRegisterMap;
std::map<std::string, unsigned int> mUniformRegisterMap;
};
}
#endif // COMPILER_TRANSLATOR_UNIFORMHLSL_H_
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