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Diffstat (limited to 'src/gallium/auxiliary/gallivm/storage.h')
-rw-r--r-- | src/gallium/auxiliary/gallivm/storage.h | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/gallivm/storage.h b/src/gallium/auxiliary/gallivm/storage.h new file mode 100644 index 0000000000..8574f7554e --- /dev/null +++ b/src/gallium/auxiliary/gallivm/storage.h @@ -0,0 +1,133 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + + /* + * Authors: + * Zack Rusin zack@tungstengraphics.com + */ + +#ifndef STORAGE_H +#define STORAGE_H + +#include <map> +#include <set> +#include <stack> +#include <vector> + +namespace llvm { + class BasicBlock; + class Constant; + class ConstantInt; + class LoadInst; + class Value; + class VectorType; +} + +class Storage +{ +public: + Storage(llvm::BasicBlock *block, + llvm::Value *input); + + llvm::Value *inputPtr() const; + + void setCurrentBlock(llvm::BasicBlock *block); + + llvm::ConstantInt *constantInt(int); + llvm::Constant *shuffleMask(int vec); + llvm::Value *inputElement(int idx, llvm::Value *indIdx =0); + llvm::Value *constElement(int idx, llvm::Value *indIdx =0); + llvm::Value *outputElement(int idx, llvm::Value *indIdx =0); + llvm::Value *tempElement(int idx, llvm::Value *indIdx =0); + llvm::Value *immediateElement(int idx); + + void setOutputElement(int dstIdx, llvm::Value *val, int mask); + void setTempElement(int idx, llvm::Value *val, int mask); + + llvm::Value *addrElement(int idx) const; + void setAddrElement(int idx, llvm::Value *val, int mask); + + void setKilElement(llvm::Value *val); + + llvm::Value *shuffleVector(llvm::Value *vec, int shuffle); + + llvm::Value *extractIndex(llvm::Value *vec); + + int numConsts() const; + + void pushArguments(llvm::Value *input); + void popArguments(); + void pushTemps(); + void popTemps(); + + void addImmediate(float *val); + +private: + llvm::Value *maskWrite(llvm::Value *src, int mask, llvm::Value *templ); + const char *name(const char *prefix); + + enum Args { + DestsArg = 0, + InputsArg = 1, + TempsArg = 2, + ConstsArg = 3, + KilArg = 4 + }; + llvm::Value *elemPtr(Args arg); + llvm::Value *elemIdx(llvm::Value *ptr, int idx, + llvm::Value *indIdx = 0); + llvm::Value *element(Args arg, int idx, llvm::Value *indIdx = 0); + +private: + llvm::BasicBlock *m_block; + llvm::Value *m_INPUT; + + std::map<int, llvm::ConstantInt*> m_constInts; + std::map<int, llvm::Constant*> m_intVecs; + std::vector<llvm::Value*> m_addrs; + std::vector<llvm::Constant*> m_immediates; + + llvm::VectorType *m_floatVecType; + llvm::VectorType *m_intVecType; + + char m_name[32]; + int m_idx; + + int m_numConsts; + + std::map<int, bool > m_destWriteMap; + std::map<int, bool > m_tempWriteMap; + + llvm::Value *m_undefFloatVec; + llvm::Value *m_undefIntVec; + llvm::Value *m_extSwizzleVec; + + std::stack<llvm::Value*> m_argStack; + std::stack<std::vector<llvm::Value*> > m_tempStack; +}; + +#endif |