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// Copyright 2018 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_WAYLAND_GPU_GBM_PIXMAP_WAYLAND_H_
#define UI_OZONE_PLATFORM_WAYLAND_GPU_GBM_PIXMAP_WAYLAND_H_
#include <memory>
#include <vector>
#include "base/files/scoped_file.h"
#include "base/macros.h"
#include "ui/gfx/buffer_types.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/linux/gbm_buffer.h"
#include "ui/gfx/native_pixmap.h"
namespace ui {
class WaylandBufferManagerGpu;
class GbmPixmapWayland : public gfx::NativePixmap {
public:
explicit GbmPixmapWayland(WaylandBufferManagerGpu* buffer_manager);
// Creates a buffer object and initializes the pixmap buffer.
bool InitializeBuffer(gfx::Size size,
gfx::BufferFormat format,
gfx::BufferUsage usage);
// The widget that this pixmap backs can be assigned later. Can be assigned
// only once.
void SetAcceleratedWiget(gfx::AcceleratedWidget widget);
// gfx::NativePixmap overrides:
bool AreDmaBufFdsValid() const override;
int GetDmaBufFd(size_t plane) const override;
uint32_t GetDmaBufPitch(size_t plane) const override;
size_t GetDmaBufOffset(size_t plane) const override;
size_t GetDmaBufPlaneSize(size_t plane) const override;
size_t GetNumberOfPlanes() const override;
uint64_t GetBufferFormatModifier() const override;
gfx::BufferFormat GetBufferFormat() const override;
gfx::Size GetBufferSize() const override;
uint32_t GetUniqueId() const override;
bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget,
int plane_z_order,
gfx::OverlayTransform plane_transform,
const gfx::Rect& display_bounds,
const gfx::RectF& crop_rect,
bool enable_blend,
std::unique_ptr<gfx::GpuFence> gpu_fence) override;
gfx::NativePixmapHandle ExportHandle() override;
private:
~GbmPixmapWayland() override;
// Asks Wayland to create a dmabuf based wl_buffer.
void CreateDmabufBasedBuffer();
// gbm_bo wrapper for struct gbm_bo.
std::unique_ptr<GbmBuffer> gbm_bo_;
// Represents a connection to Wayland.
WaylandBufferManagerGpu* const buffer_manager_;
// Represents widget this pixmap backs.
gfx::AcceleratedWidget widget_ = gfx::kNullAcceleratedWidget;
// A unique ID to identify the buffer for this pixmap.
const uint32_t buffer_id_;
DISALLOW_COPY_AND_ASSIGN(GbmPixmapWayland);
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_WAYLAND_GPU_GBM_PIXMAP_WAYLAND_H_
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