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

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• Hash : d33a2222
  Author :
  Date : 2021-04-26T16:56:15
  

  Upstream Apple's direct-to-Metal backend: compile libANGLE.
  
  This change is meant to merge the metal backend changes from Apple's
  direct-to-Metal backend. Taken from Kyle Piddington's CL:
  https://chromium-review.googlesource.com/c/angle/angle/+/2857366/
  The goal of this CL is to merge the metal backend code in a state
  that compiles, but not to switch the Metal backend over to using
  the direct-to-metal backend yet.
  
  Bug: angleproject:5505
  Bug: angleproject:6127
  Change-Id: If6783e06e0086b3a1dd25c6f53caca5cfc96cb86
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2950067
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
  

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

• //
  // Copyright 2019 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.
  //
  // RenderBufferMtl.h:
  //    Defines the class interface for RenderBufferMtl, implementing RenderBufferImpl.
  //
  
  #ifndef LIBANGLE_RENDERER_METAL_RENDERBUFFERMTL_H_
  #define LIBANGLE_RENDERER_METAL_RENDERBUFFERMTL_H_
  
  #include "libANGLE/renderer/RenderbufferImpl.h"
  #include "libANGLE/renderer/metal/RenderTargetMtl.h"
  #include "libANGLE/renderer/metal/mtl_resources.h"
  
  namespace rx
  {
  
  class RenderbufferMtl : public RenderbufferImpl
  {
    public:
      RenderbufferMtl(const gl::RenderbufferState &state);
      ~RenderbufferMtl() override;
  
      void onDestroy(const gl::Context *context) override;
  
      angle::Result setStorage(const gl::Context *context,
                               GLenum internalformat,
                               GLsizei width,
                               GLsizei height) override;
      angle::Result setStorageMultisample(const gl::Context *context,
                                          GLsizei samples,
                                          GLenum internalformat,
                                          GLsizei width,
                                          GLsizei height,
                                          gl::MultisamplingMode mode) override;
      angle::Result setStorageEGLImageTarget(const gl::Context *context, egl::Image *image) override;
  
      angle::Result getAttachmentRenderTarget(const gl::Context *context,
                                              GLenum binding,
                                              const gl::ImageIndex &imageIndex,
                                              GLsizei samples,
                                              FramebufferAttachmentRenderTarget **rtOut) override;
  
      angle::Result initializeContents(const gl::Context *context,
                                       const gl::ImageIndex &imageIndex) override;
  
    private:
      angle::Result setStorageImpl(const gl::Context *context,
                                   GLsizei samples,
                                   GLenum internalformat,
                                   GLsizei width,
                                   GLsizei height);
  
      void releaseTexture();
  
      mtl::Format mFormat;
      mtl::TextureRef mTexture;
      mtl::TextureRef mImplicitMSTexture;
      RenderTargetMtl mRenderTarget;
  };
  
  }  // namespace rx
  
  #endif /* LIBANGLE_RENDERER_METAL_RENDERBUFFERMTL_H_ */
  

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