kc3-lang/angle/src/libANGLE/renderer/RenderbufferImpl.h

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• Author : Geoff Lang
  Date : 2018-10-04 15:11:30
  Hash : 79b91407
  Message : Add an extension for querying esimated GPU memory size of resources. BUG=892288 Change-Id: I56fc3ab00c06d711e1a21eb1ad4b2224126730dc Reviewed-on: https://chromium-review.googlesource.com/c/1262021 Reviewed-by: Yuly Novikov <ynovikov@google.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/renderer/RenderbufferImpl.h

• //
  // Copyright (c) 2014 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.
  //
  
  // RenderbufferImpl.h: Defines the abstract class gl::RenderbufferImpl
  
  #ifndef LIBANGLE_RENDERER_RENDERBUFFERIMPL_H_
  #define LIBANGLE_RENDERER_RENDERBUFFERIMPL_H_
  
  #include "angle_gl.h"
  #include "common/angleutils.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
  
  namespace gl
  {
  class RenderbufferState;
  }  // namespace gl
  
  namespace egl
  {
  class Image;
  }  // namespace egl
  
  namespace rx
  {
  
  class RenderbufferImpl : public FramebufferAttachmentObjectImpl
  {
    public:
      RenderbufferImpl(const gl::RenderbufferState &state) : mState(state) {}
      ~RenderbufferImpl() override {}
      virtual gl::Error onDestroy(const gl::Context *context);
  
      virtual gl::Error setStorage(const gl::Context *context,
                                   GLenum internalformat,
                                   size_t width,
                                   size_t height) = 0;
      virtual gl::Error setStorageMultisample(const gl::Context *context,
                                              size_t samples,
                                              GLenum internalformat,
                                              size_t width,
                                              size_t height) = 0;
      virtual gl::Error setStorageEGLImageTarget(const gl::Context *context, egl::Image *image) = 0;
  
      // Override if accurate native memory size information is available
      virtual GLint getMemorySize() const { return 0; }
  
    protected:
      const gl::RenderbufferState &mState;
  };
  
  inline gl::Error RenderbufferImpl::onDestroy(const gl::Context *context)
  {
      return gl::NoError();
  }
  }  // namespace rx
  
  #endif   // LIBANGLE_RENDERER_RENDERBUFFERIMPL_H_