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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"
#include "base/numerics/safe_math.h"
#include "ui/gfx/buffer_types.h"
namespace gl {
class GL_EXPORT GLImageMemory : public GLImage {
public:
GLImageMemory(const gfx::Size& size, unsigned internalformat);
bool Initialize(const unsigned char* memory,
gfx::BufferFormat format,
size_t stride);
// 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 CopyTexImage(unsigned target) override;
bool CopyTexSubImage(unsigned target,
const gfx::Point& offset,
const gfx::Rect& rect) override;
bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
int z_order,
gfx::OverlayTransform transform,
const gfx::Rect& bounds_rect,
const gfx::RectF& crop_rect) override;
static unsigned GetInternalFormatForTesting(gfx::BufferFormat format);
protected:
~GLImageMemory() override;
gfx::BufferFormat format() const { return format_; }
size_t stride() const { return stride_; }
private:
const gfx::Size size_;
const unsigned internalformat_;
const unsigned char* memory_;
gfx::BufferFormat format_;
size_t stride_;
DISALLOW_COPY_AND_ASSIGN(GLImageMemory);
};
} // namespace gl
#endif // UI_GL_GL_IMAGE_MEMORY_H_
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