kc3-lang/angle/src/libANGLE/renderer/metal/ImageMtl.h

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• Hash : f2aa9d5d
  Author :
  Date : 2021-04-11T14:55:19
  

  Reland: Metal: Support importing external metal textures
  
  This relands I4d4a88cfbb77d8b7508b787c7fec44073d3b11b0.
  
  Fixes:
  - uninstantiated ImageTestMetal error
  - failed ImageTest.ANGLEExtensionAvailability on ARM mac.
  
  Bug: angleproject:5763
  Bug: angleproject:5814
  Change-Id: I906fe52baefd6be3c6e00f594795bd527df01616
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2820178
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Le Hoang Quyen <le.hoang.q@gmail.com>
  

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• src/libANGLE/renderer/metal/ImageMtl.h

• //
  // Copyright 2021 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.
  //
  // ImageMtl.h:
  //    Defines the class interface for ImageMtl, implementing ImageImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_METAL_IMAGEMTL_H
  #define LIBANGLE_RENDERER_METAL_IMAGEMTL_H
  
  #include "libANGLE/renderer/ImageImpl.h"
  #include "libANGLE/renderer/metal/mtl_resources.h"
  
  namespace rx
  {
  
  class DisplayMtl;
  
  class TextureImageSiblingMtl : public ExternalImageSiblingImpl
  {
    public:
      TextureImageSiblingMtl(EGLClientBuffer buffer);
      ~TextureImageSiblingMtl() override;
  
      static bool ValidateClientBuffer(const DisplayMtl *display, EGLClientBuffer buffer);
  
      egl::Error initialize(const egl::Display *display) override;
      void onDestroy(const egl::Display *display) override;
  
      // ExternalImageSiblingImpl interface
      gl::Format getFormat() const override;
      bool isRenderable(const gl::Context *context) const override;
      bool isTexturable(const gl::Context *context) const override;
      gl::Extents getSize() const override;
      size_t getSamples() const override;
  
      bool isYUV() const override;
  
      const mtl::TextureRef &getTexture() const { return mNativeTexture; }
      const mtl::Format &getFormatMtl() const { return mFormat; }
  
    private:
      angle::Result initImpl(DisplayMtl *display);
  
      EGLClientBuffer mBuffer;
      gl::Format mGLFormat;
      mtl::Format mFormat;
  
      bool mRenderable  = false;
      bool mTextureable = false;
  
      mtl::TextureRef mNativeTexture;
  };
  
  class ImageMtl : public ImageImpl
  {
    public:
      ImageMtl(const egl::ImageState &state, const gl::Context *context);
      ~ImageMtl() override;
      void onDestroy(const egl::Display *display) override;
  
      egl::Error initialize(const egl::Display *display) override;
  
      angle::Result orphan(const gl::Context *context, egl::ImageSibling *sibling) override;
  
      const mtl::TextureRef &getTexture() const { return mNativeTexture; }
      gl::TextureType getImageTextureType() const { return mImageTextureType; }
      uint32_t getImageLevel() const { return mImageLevel; }
      uint32_t getImageLayer() const { return mImageLayer; }
  
    private:
      gl::TextureType mImageTextureType;
      uint32_t mImageLevel = 0;
      uint32_t mImageLayer = 0;
  
      mtl::TextureRef mNativeTexture;
  };
  }  // namespace rx
  
  #endif /* LIBANGLE_RENDERER_METAL_IMAGEMTL_H */
  

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