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// 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() const OVERRIDE;
EGLSurface GetSurface() const OVERRIDE;
EGLDisplay display() const { return display_; }
EGLConfig config() const { return config_; }
bool CreationError() OVERRIDE { return surface_ == EGL_NO_SURFACE; }
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_