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

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• Hash : dfc20daf
  Author :
  Date : 2019-10-28T13:51:42
  

  Plumb more logic for ANGLE_get_image.
  
  Also implements and tests validation / negative API.
  
  Bug: angleproject:3944
  Change-Id: I3385a4255f4fab6a12eee2abfa5ffcce2107359a
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1879961
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  

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• src/libANGLE/renderer/RenderbufferImpl.h

• //
  // Copyright 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
  {
  struct PixelPackState;
  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 void onDestroy(const gl::Context *context) {}
  
      virtual angle::Result setStorage(const gl::Context *context,
                                       GLenum internalformat,
                                       size_t width,
                                       size_t height)                   = 0;
      virtual angle::Result setStorageMultisample(const gl::Context *context,
                                                  size_t samples,
                                                  GLenum internalformat,
                                                  size_t width,
                                                  size_t height)        = 0;
      virtual angle::Result setStorageEGLImageTarget(const gl::Context *context,
                                                     egl::Image *image) = 0;
  
      virtual GLenum getColorReadFormat(const gl::Context *context);
      virtual GLenum getColorReadType(const gl::Context *context);
  
      virtual angle::Result getRenderbufferImage(const gl::Context *context,
                                                 const gl::PixelPackState &packState,
                                                 gl::Buffer *packBuffer,
                                                 GLenum format,
                                                 GLenum type,
                                                 void *pixels);
  
      // Override if accurate native memory size information is available
      virtual GLint getMemorySize() const;
  
    protected:
      const gl::RenderbufferState &mState;
  };
  
  inline GLint RenderbufferImpl::getMemorySize() const
  {
      return 0;
  }
  
  inline GLenum RenderbufferImpl::getColorReadFormat(const gl::Context *context)
  {
      UNREACHABLE();
      return GL_NONE;
  }
  
  inline GLenum RenderbufferImpl::getColorReadType(const gl::Context *context)
  {
      UNREACHABLE();
      return GL_NONE;
  }
  
  inline angle::Result RenderbufferImpl::getRenderbufferImage(const gl::Context *context,
                                                              const gl::PixelPackState &packState,
                                                              gl::Buffer *packBuffer,
                                                              GLenum format,
                                                              GLenum type,
                                                              void *pixels)
  {
      UNREACHABLE();
      return angle::Result::Stop;
  }
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_RENDERBUFFERIMPL_H_
  

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