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// Copyright 2013 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_IO_SURFACE_H_
#define UI_GL_GL_IMAGE_IO_SURFACE_H_
#include <IOSurface/IOSurface.h>
#include "base/mac/scoped_cftyperef.h"
#include "base/threading/thread_checker.h"
#include "ui/gfx/gpu_memory_buffer.h"
#include "ui/gl/gl_image.h"
#if defined(__OBJC__)
@class CALayer;
#else
typedef void* CALayer;
#endif
namespace gfx {
class GL_EXPORT GLImageIOSurface : public GLImage {
public:
GLImageIOSurface(const gfx::Size& size, unsigned internalformat);
bool Initialize(IOSurfaceRef io_surface,
gfx::GenericSharedMemoryId io_surface_id,
BufferFormat format);
// Overridden from GLImage:
void Destroy(bool have_context) override;
gfx::Size GetSize() override;
unsigned GetInternalFormat() override;
bool BindTexImage(unsigned target) override;
void ReleaseTexImage(unsigned target) override {}
bool CopyTexSubImage(unsigned target,
const Point& offset,
const Rect& rect) 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;
void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd,
uint64_t process_tracing_id,
const std::string& dump_name) override;
base::ScopedCFTypeRef<IOSurfaceRef> io_surface();
static void SetLayerForWidget(gfx::AcceleratedWidget widget,
CALayer* layer);
protected:
~GLImageIOSurface() override;
private:
const gfx::Size size_;
const unsigned internalformat_;
BufferFormat format_;
base::ScopedCFTypeRef<IOSurfaceRef> io_surface_;
gfx::GenericSharedMemoryId io_surface_id_;
base::ThreadChecker thread_checker_;
DISALLOW_COPY_AND_ASSIGN(GLImageIOSurface);
};
} // namespace gfx
#endif // UI_GL_GL_IMAGE_IO_SURFACE_H_
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