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// Copyright 2014 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_MEMORY_H_
#define UI_GL_GL_IMAGE_MEMORY_H_
#include "ui/gl/gl_image.h"
#if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || \
defined(USE_OZONE)
#include <EGL/egl.h>
#include <EGL/eglext.h>
#endif
#include "ui/gfx/gpu_memory_buffer.h"
namespace gfx {
class GL_EXPORT GLImageMemory : public GLImage {
public:
GLImageMemory(const gfx::Size& size, unsigned internalformat);
static size_t BytesPerPixel(gfx::GpuMemoryBuffer::Format format);
bool Initialize(const unsigned char* memory,
gfx::GpuMemoryBuffer::Format format);
// Overridden from GLImage:
void Destroy(bool have_context) override;
gfx::Size GetSize() override;
bool BindTexImage(unsigned target) override;
void ReleaseTexImage(unsigned target) override {}
bool CopyTexImage(unsigned target) override;
void WillUseTexImage() override;
void DidUseTexImage() override;
void WillModifyTexImage() override {}
void DidModifyTexImage() override {}
bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
int z_order,
OverlayTransform transform,
const Rect& bounds_rect,
const RectF& crop_rect) override;
protected:
~GLImageMemory() override;
private:
void DoBindTexImage(unsigned target);
const gfx::Size size_;
const unsigned internalformat_;
const unsigned char* memory_;
gfx::GpuMemoryBuffer::Format format_;
bool in_use_;
unsigned target_;
bool need_do_bind_tex_image_;
#if defined(OS_WIN) || defined(USE_X11) || defined(OS_ANDROID) || \
defined(USE_OZONE)
unsigned egl_texture_id_;
EGLImageKHR egl_image_;
#endif
DISALLOW_COPY_AND_ASSIGN(GLImageMemory);
};
} // namespace gfx
#endif // UI_GL_GL_IMAGE_MEMORY_H_
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