src/cobalt/renderer/backend/egl/pbuffer_render_target.h

/*
 * Copyright 2015 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef COBALT_RENDERER_BACKEND_EGL_PBUFFER_RENDER_TARGET_H_
#define COBALT_RENDERER_BACKEND_EGL_PBUFFER_RENDER_TARGET_H_

#include <EGL/egl.h>

#include "cobalt/math/size.h"
#include "cobalt/renderer/backend/egl/render_target.h"

namespace cobalt {
namespace renderer {
namespace backend {

// A PBuffer render target provides an encapsulation around an EGL PBO
// (Pixel Buffer Object) which can be used as an offscreen rendering target.
class PBufferRenderTargetEGL : public RenderTargetEGL {
 public:
  PBufferRenderTargetEGL(
      EGLDisplay display, EGLConfig config, const math::Size& dimensions);

  const math::Size& GetSize() OVERRIDE;

  EGLSurface GetSurface() const OVERRIDE;

  EGLDisplay display() const { return display_; }
  EGLConfig config() const { return config_; }

 private:
  ~PBufferRenderTargetEGL() OVERRIDE;

  EGLDisplay display_;
  EGLConfig config_;
  EGLSurface surface_;

  math::Size size_;
};

}  // namespace backend
}  // namespace renderer
}  // namespace cobalt

#endif  // COBALT_RENDERER_BACKEND_EGL_PBUFFER_RENDER_TARGET_H_