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

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• src/libANGLE/renderer/ImageImpl.h

• //
  // Copyright 2015 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.
  //
  
  // ImageImpl.h: Defines the rx::ImageImpl class representing the EGLimage object.
  
  #ifndef LIBANGLE_RENDERER_IMAGEIMPL_H_
  #define LIBANGLE_RENDERER_IMAGEIMPL_H_
  
  #include "common/angleutils.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/formatutils.h"
  #include "libANGLE/renderer/FramebufferAttachmentObjectImpl.h"
  
  namespace gl
  {
  class Context;
  }  // namespace gl
  
  namespace egl
  {
  class Display;
  class ImageSibling;
  struct ImageState;
  }  // namespace egl
  
  namespace rx
  {
  class ExternalImageSiblingImpl : public FramebufferAttachmentObjectImpl
  {
    public:
      ~ExternalImageSiblingImpl() override {}
  
      virtual egl::Error initialize(const egl::Display *display) = 0;
      virtual void onDestroy(const egl::Display *display) {}
  
      virtual gl::Format getFormat() const                        = 0;
      virtual bool isRenderable(const gl::Context *context) const = 0;
      virtual bool isTexturable(const gl::Context *context) const = 0;
      virtual bool isYUV() const                                  = 0;
      virtual bool hasProtectedContent() const                    = 0;
      virtual gl::Extents getSize() const                         = 0;
      virtual size_t getSamples() const                           = 0;
  };
  
  class ImageImpl : angle::NonCopyable
  {
    public:
      ImageImpl(const egl::ImageState &state) : mState(state) {}
      virtual ~ImageImpl() {}
      virtual void onDestroy(const egl::Display *display) {}
  
      virtual egl::Error initialize(const egl::Display *display) = 0;
  
      virtual angle::Result orphan(const gl::Context *context, egl::ImageSibling *sibling) = 0;
  
    protected:
      const egl::ImageState &mState;
  };
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_IMAGEIMPL_H_