src/mesa/pipe/llvm/storagesoa.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #ifndef STORAGESOA_H
  29 #define STORAGESOA_H
  30
  31 #include <vector>
  32 #include <map>
  33
  34 namespace llvm {
  35    class BasicBlock;
  36    class Constant;
  37    class ConstantInt;
  38    class LoadInst;
  39    class Value;
  40    class VectorType;
  41 }
  42
  43 class StorageSoa
  44 {
  45 public:
  46    StorageSoa(llvm::BasicBlock *block,
  47               llvm::Value *input,
  48               llvm::Value *output,
  49               llvm::Value *consts);
  50
  51    void addImmediate(float *vec);
  52
  53    llvm::Value  * addrElement(int idx) const;
  54
  55    std::vector<llvm::Value*> inputElement(int idx, int swizzle, llvm::Value *indIdx =0);
  56    std::vector<llvm::Value*> constElement(int idx, int swizzle, llvm::Value *indIdx =0);
  57    std::vector<llvm::Value*> outputElement(int idx, int swizzle, llvm::Value *indIdx =0);
  58    std::vector<llvm::Value*> tempElement(int idx, int swizzle, llvm::Value *indIdx =0);
  59    std::vector<llvm::Value*> immediateElement(int idx, int swizzle);
  60
  61    llvm::Value *extractIndex(llvm::Value *vec);
  62
  63    void storeOutput(int dstIdx, const std::vector<llvm::Value*> &val,
  64                          int mask);
  65    void storeTemp(int idx, const std::vector<llvm::Value*> &val,
  66                   int mask);
  67    void storeAddress(int idx, const std::vector<llvm::Value*> &val,
  68                      int mask);
  69 private:
  70    llvm::Value *elementPointer(llvm::Value *ptr, int index,
  71                                int channel) const;
  72    llvm::Value *element(llvm::Value *ptr, int index,
  73                         int channel) const;
  74    const char *name(const char *prefix) const;
  75    llvm::ConstantInt *constantInt(int) const;
  76 private:
  77    llvm::BasicBlock *m_block;
  78
  79    llvm::Value *m_input;
  80    llvm::Value *m_output;
  81    llvm::Value *m_consts;
  82
  83    mutable std::map<int, llvm::ConstantInt*> m_constInts;
  84    mutable char        m_name[32];
  85    mutable int         m_idx;
  86 };
  87
  88 #endif