src/gallium/auxiliary/gallivm/storagesoa.h

   1 /**************************************************************************
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   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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  11  * permit persons to whom the Software is furnished to do so, subject to
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  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
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  27
  28 #ifndef STORAGESOA_H
  29 #define STORAGESOA_H
  30
  31 #include <pipe/p_shader_tokens.h>
  32 #include <llvm/Support/IRBuilder.h>
  33
  34 #include <vector>
  35 #include <list>
  36 #include <map>
  37
  38 namespace llvm {
  39    class BasicBlock;
  40    class Constant;
  41    class ConstantInt;
  42    class GlobalVariable;
  43    class LoadInst;
  44    class Value;
  45    class VectorType;
  46    class Module;
  47 }
  48
  49 class StorageSoa
  50 {
  51 public:
  52    StorageSoa(llvm::BasicBlock *block,
  53               llvm::Value *input,
  54               llvm::Value *output,
  55               llvm::Value *consts);
  56
  57
  58    std::vector<llvm::Value*> load(enum tgsi_file_type type, int idx, int swizzle,
  59                                   llvm::IRBuilder<>* m_builder, llvm::Value *indIdx =0);
  60    void store(enum tgsi_file_type type, int idx, const std::vector<llvm::Value*> &val,
  61               int mask, llvm::IRBuilder<>* m_builder);
  62
  63    void addImmediate(float *vec);
  64    void declareImmediates();
  65
  66    void addAddress(int idx);
  67
  68    llvm::Value  * addrElement(int idx) const;
  69
  70    llvm::ConstantInt *constantInt(int) const;
  71 private:
  72    llvm::Value *elementPointer(llvm::Value *ptr, llvm::Value *indIdx,
  73                                int channel) const;
  74    llvm::Value *element(llvm::Value *ptr, llvm::Value *idx,
  75                         int channel) const;
  76    const char *name(const char *prefix) const;
  77    llvm::Value  *alignedArrayLoad(llvm::Value *val);
  78    llvm::Module *currentModule() const;
  79    llvm::Constant  *createConstGlobalFloat(const float val);
  80    llvm::Constant  *createConstGlobalVector(const std::vector<float> &vec);
  81
  82    std::vector<llvm::Value*> inputElement(llvm::Value *indIdx);
  83    llvm::Value* unpackConstElement(llvm::IRBuilder<>* m_builder, llvm::Value *indIdx, int cc);
  84    std::vector<llvm::Value*> constElement(llvm::IRBuilder<>* m_builder, llvm::Value *indIdx);
  85    std::vector<llvm::Value*> outputElement(llvm::Value *indIdx);
  86    std::vector<llvm::Value*> tempElement(llvm::IRBuilder<>* m_builder, int idx);
  87    std::vector<llvm::Value*> immediateElement(llvm::Value *indIdx);
  88 private:
  89    llvm::BasicBlock *m_block;
  90
  91    llvm::Value *m_input;
  92    llvm::Value *m_output;
  93    llvm::Value *m_consts;
  94    std::map<int, llvm::Value*> m_temps;
  95    llvm::GlobalVariable *m_immediates;
  96
  97    std::map<int, llvm::Value*> m_addresses;
  98
  99    std::vector<std::vector<float> > m_immediatesToFlush;
 100    llvm::Value * allocaTemp(llvm::IRBuilder<>* m_builder);
 101
 102    mutable std::map<int, llvm::ConstantInt*> m_constInts;
 103    mutable char        m_name[32];
 104    mutable int         m_idx;
 105 };
 106
 107 #endif