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

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• Hash : 8fbd9d96
  Author :
  Date : 2018-06-21T15:27:44
  

  Use ImmutableString in ImageFunctionHLSL
  
  This code is analoguous to the code in TextureFunctionHLSL and is now
  implemented in a similar manner.
  
  BUG=angleproject:2267
  TEST=angle_unittests, angle_end2end_tests
  
  Change-Id: Ie3503766217dad4f3848f2d4b2fc3f62b3edce0c
  Reviewed-on: https://chromium-review.googlesource.com/1110366
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
  

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• src/compiler/translator/ImageFunctionHLSL.h

• //
  // Copyright (c) 2017 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.
  //
  // ImageFunctionHLSL: Class for writing implementations of ESSL image functions into HLSL output.
  //
  
  #ifndef COMPILER_TRANSLATOR_IMAGEFUNCTIONHLSL_H_
  #define COMPILER_TRANSLATOR_IMAGEFUNCTIONHLSL_H_
  
  #include <set>
  
  #include "GLSLANG/ShaderLang.h"
  #include "compiler/translator/BaseTypes.h"
  #include "compiler/translator/Common.h"
  #include "compiler/translator/InfoSink.h"
  #include "compiler/translator/Types.h"
  
  namespace sh
  {
  
  class ImageFunctionHLSL final : angle::NonCopyable
  {
    public:
      // Returns the name of the image function implementation to caller.
      // The name that's passed in is the name of the GLSL image function that it should implement.
      ImmutableString useImageFunction(const ImmutableString &name,
                                       const TBasicType &type,
                                       TLayoutImageInternalFormat imageInternalFormat,
                                       bool readonly);
  
      void imageFunctionHeader(TInfoSinkBase &out);
  
    private:
      struct ImageFunction
      {
          // See ESSL 3.10.4 section 8.12 for reference about what the different methods below do.
          enum class Method
          {
              SIZE,
              LOAD,
              STORE
          };
  
          enum class DataType
          {
              NONE,
              FLOAT4,
              UINT4,
              INT4,
              UNORM_FLOAT4,
              SNORM_FLOAT4
          };
  
          ImmutableString name() const;
  
          bool operator<(const ImageFunction &rhs) const;
  
          DataType getDataType(TLayoutImageInternalFormat format) const;
  
          const char *getReturnType() const;
  
          TBasicType image;
          TLayoutImageInternalFormat imageInternalFormat;
          bool readonly;
          Method method;
          DataType type;
      };
  
      static ImmutableString GetImageReference(TInfoSinkBase &out,
                                               const ImageFunctionHLSL::ImageFunction &imageFunction);
      static void OutputImageFunctionArgumentList(
          TInfoSinkBase &out,
          const ImageFunctionHLSL::ImageFunction &imageFunction);
      static void OutputImageSizeFunctionBody(TInfoSinkBase &out,
                                              const ImageFunctionHLSL::ImageFunction &imageFunction,
                                              const ImmutableString &imageReference);
      static void OutputImageLoadFunctionBody(TInfoSinkBase &out,
                                              const ImageFunctionHLSL::ImageFunction &imageFunction,
                                              const ImmutableString &imageReference);
      static void OutputImageStoreFunctionBody(TInfoSinkBase &out,
                                               const ImageFunctionHLSL::ImageFunction &imageFunction,
                                               const ImmutableString &imageReference);
      using ImageFunctionSet = std::set<ImageFunction>;
      ImageFunctionSet mUsesImage;
  };
  
  }  // namespace sh
  
  #endif  // COMPILER_TRANSLATOR_IMAGEFUNCTIONHLSL_H_
  

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