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

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• Author : Le Quyen
  Date : 2019-10-29 18:38:53
  Hash : fe26bae4
  Message : Metal backend implementation pt 2 This is without Metal specific shader translator implemented yet. Bug: angleproject:2634 Change-Id: I95d589442251c9ba111bd05a2dc379a36739046c Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1855069 Reviewed-by: Jonah Ryan-Davis <jonahr@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

• 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,
                               size_t width,
                               size_t height) override;
      angle::Result setStorageMultisample(const gl::Context *context,
                                          size_t samples,
                                          GLenum internalformat,
                                          size_t width,
                                          size_t height) 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,
                                   size_t samples,
                                   GLenum internalformat,
                                   size_t width,
                                   size_t height);
  
      void releaseTexture();
  
      mtl::Format mFormat;
      mtl::TextureRef mTexture;
      RenderTargetMtl mRenderTarget;
  };
  
  }  // namespace rx
  
  #endif /* LIBANGLE_RENDERER_METAL_RENDERBUFFERMTL_H_ */