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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GL_GL_IMAGE_H_
#define UI_GL_GL_IMAGE_H_
#include "base/memory/ref_counted.h"
#include "ui/gfx/gpu_memory_buffer.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/size.h"
#include "ui/gl/gl_export.h"
namespace gfx {
class GLSurface;
// Encapsulates an image that can be bound to a texture, hiding platform
// specific management.
class GL_EXPORT GLImage : public base::RefCounted<GLImage> {
public:
GLImage();
// Destroys the image.
virtual void Destroy() = 0;
// Get the size of the image.
virtual gfx::Size GetSize() = 0;
// Bind image to texture currently bound to GL_TEXTURE_2D target.
virtual bool BindTexImage();
// Release image from texture currently bound to GL_TEXTURE_2D target.
virtual void ReleaseTexImage();
// Create a GL image for a window.
static scoped_refptr<GLImage> CreateGLImage(gfx::PluginWindowHandle window);
// Create a GL image for a GPU Memory buffer.
static scoped_refptr<GLImage> CreateGLImageForGpuMemoryBuffer(
gfx::GpuMemoryBufferHandle buffer, gfx::Size size);
protected:
virtual ~GLImage();
private:
friend class base::RefCounted<GLImage>;
DISALLOW_COPY_AND_ASSIGN(GLImage);
};
} // namespace gfx
#endif // UI_GL_GL_IMAGE_H_
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