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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_OZONE_PLATFORM_DRM_GPU_GBM_BUFFER_BASE_H_
#define UI_OZONE_PLATFORM_DRM_GPU_GBM_BUFFER_BASE_H_
#include <stdint.h>
#include "base/macros.h"
#include "ui/ozone/platform/drm/gpu/scanout_buffer.h"
struct gbm_bo;
namespace ui {
class GbmDevice;
// Wrapper for a GBM buffer. The base class provides common functionality
// required to prepare the buffer for scanout. It does not provide any ownership
// of the buffer. Implementations of this base class should deal with buffer
// ownership.
class GbmBufferBase : public ScanoutBuffer {
public:
gbm_bo* bo() const { return bo_; }
const scoped_refptr<GbmDevice>& drm() const { return drm_; }
// ScanoutBuffer:
uint32_t GetFramebufferId() const override;
uint32_t GetHandle() const override;
gfx::Size GetSize() const override;
uint32_t GetFramebufferPixelFormat() const override;
const DrmDevice* GetDrmDevice() const override;
bool RequiresGlFinish() const override;
protected:
GbmBufferBase(const scoped_refptr<GbmDevice>& drm,
gbm_bo* bo,
gfx::BufferFormat format,
gfx::BufferUsage usage);
~GbmBufferBase() override;
private:
scoped_refptr<GbmDevice> drm_;
gbm_bo* bo_;
uint32_t framebuffer_ = 0;
uint32_t framebuffer_pixel_format_ = 0;
DISALLOW_COPY_AND_ASSIGN(GbmBufferBase);
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_GPU_GBM_BUFFER_BASE_H_