kc3-lang/angle/src/compiler/translator/blocklayoutHLSL.h

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• Hash : d7b1ab58
  Author :
  Date : 2016-12-12T14:42:19
  

  Fix up translator style.
  
  Using git cl format.
  
  BUG=angleproject:650
  
  Change-Id: I7d3f98d2b0dcfb0a8de6c35327db74e55c28d761
  Reviewed-on: https://chromium-review.googlesource.com/419059
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/compiler/translator/blocklayoutHLSL.h

• //
  // Copyright (c) 2013-2014 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.
  //
  // blocklayout.h:
  //   Methods and classes related to uniform layout and packing in GLSL and HLSL.
  //
  
  #ifndef COMMON_BLOCKLAYOUTHLSL_H_
  #define COMMON_BLOCKLAYOUTHLSL_H_
  
  #include <cstddef>
  #include <vector>
  
  #include "angle_gl.h"
  #include "blocklayout.h"
  #include <GLSLANG/ShaderLang.h>
  
  namespace sh
  {
  // Block layout packed according to the D3D9 or default D3D10+ register packing rules
  // See http://msdn.microsoft.com/en-us/library/windows/desktop/bb509632(v=vs.85).aspx
  // The strategy should be ENCODE_LOOSE for D3D9 constant blocks, and ENCODE_PACKED
  // for everything else (D3D10+ constant blocks and all attributes/varyings).
  
  class HLSLBlockEncoder : public BlockLayoutEncoder
  {
    public:
      enum HLSLBlockEncoderStrategy
      {
          ENCODE_PACKED,
          ENCODE_LOOSE
      };
  
      HLSLBlockEncoder(HLSLBlockEncoderStrategy strategy);
  
      virtual void enterAggregateType();
      virtual void exitAggregateType();
      void skipRegisters(unsigned int numRegisters);
  
      bool isPacked() const { return mEncoderStrategy == ENCODE_PACKED; }
      void setTransposeMatrices(bool enabled) { mTransposeMatrices = enabled; }
  
      static HLSLBlockEncoderStrategy GetStrategyFor(ShShaderOutput outputType);
  
    protected:
      virtual void getBlockLayoutInfo(GLenum type,
                                      unsigned int arraySize,
                                      bool isRowMajorMatrix,
                                      int *arrayStrideOut,
                                      int *matrixStrideOut);
      virtual void advanceOffset(GLenum type,
                                 unsigned int arraySize,
                                 bool isRowMajorMatrix,
                                 int arrayStride,
                                 int matrixStride);
  
      HLSLBlockEncoderStrategy mEncoderStrategy;
      bool mTransposeMatrices;
  };
  
  // This method returns the number of used registers for a ShaderVariable. It is dependent on the
  // HLSLBlockEncoder
  // class to count the number of used registers in a struct (which are individually packed according
  // to the same rules).
  unsigned int HLSLVariableRegisterCount(const Varying &variable, bool transposeMatrices);
  unsigned int HLSLVariableRegisterCount(const Uniform &variable, ShShaderOutput outputType);
  }
  
  #endif  // COMMON_BLOCKLAYOUTHLSL_H_
  

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