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Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/ImageFunctionHLSL.h')
-rw-r--r-- | src/3rdparty/angle/src/compiler/translator/ImageFunctionHLSL.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/ImageFunctionHLSL.h b/src/3rdparty/angle/src/compiler/translator/ImageFunctionHLSL.h new file mode 100644 index 0000000000..9db17a6bbf --- /dev/null +++ b/src/3rdparty/angle/src/compiler/translator/ImageFunctionHLSL.h @@ -0,0 +1,76 @@ +// +// 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. + TString useImageFunction(const TString &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 + }; + + TString name() const; + + bool operator<(const ImageFunction &rhs) const; + + const char *getReturnType() const; + + TBasicType image; + TLayoutImageInternalFormat imageInternalFormat; + bool readonly; + Method method; + }; + + static void OutputImageFunctionArgumentList( + TInfoSinkBase &out, + const ImageFunctionHLSL::ImageFunction &imageFunction); + static void OutputImageSizeFunctionBody(TInfoSinkBase &out, + const ImageFunctionHLSL::ImageFunction &imageFunction, + const TString &imageReference); + static void OutputImageLoadFunctionBody(TInfoSinkBase &out, + const ImageFunctionHLSL::ImageFunction &imageFunction, + const TString &imageReference); + static void OutputImageStoreFunctionBody(TInfoSinkBase &out, + const ImageFunctionHLSL::ImageFunction &imageFunction, + const TString &imageReference); + using ImageFunctionSet = std::set<ImageFunction>; + ImageFunctionSet mUsesImage; +}; + +} // namespace sh + +#endif // COMPILER_TRANSLATOR_IMAGEFUNCTIONHLSL_H_ |