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// Copyright 2016 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_YUV420_RGB_CONVERTER_H_
#define UI_GL_YUV420_RGB_CONVERTER_H_
#include "ui/gfx/geometry/size.h"
namespace gfx {
class ColorSpace;
} // namespace gfx
namespace gl {
struct GLVersionInfo;
class YUVToRGBConverter {
public:
explicit YUVToRGBConverter(const GLVersionInfo& gl_version_info,
const gfx::ColorSpace color_space);
~YUVToRGBConverter();
// The input Y and UV textures should be bound to these texture objects
// prior to calling CopyYUV420ToRGB.
unsigned y_texture() const { return y_texture_; }
unsigned uv_texture() const { return uv_texture_; }
void CopyYUV420ToRGB(unsigned target,
const gfx::Size& size,
unsigned rgb_texture);
private:
unsigned framebuffer_ = 0;
unsigned vertex_shader_ = 0;
unsigned fragment_shader_ = 0;
unsigned program_ = 0;
int size_location_ = -1;
unsigned vertex_buffer_ = 0;
unsigned y_texture_ = 0;
unsigned uv_texture_ = 0;
};
} // namespace gl
#endif // UI_GL_YUV420_RGB_CONVERTER_H_
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