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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GFX_LINUX_CLIENT_NATIVE_PIXMAP_DMABUF_H_
#define UI_GFX_LINUX_CLIENT_NATIVE_PIXMAP_DMABUF_H_
#include <stdint.h>
#include <array>
#include <memory>
#include "base/component_export.h"
#include "base/files/scoped_file.h"
#include "base/memory/raw_ptr.h"
#include "ui/gfx/buffer_types.h"
#include "ui/gfx/client_native_pixmap.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/native_pixmap_handle.h"
namespace gfx {
class ClientNativePixmapDmaBuf : public gfx::ClientNativePixmap {
public:
static COMPONENT_EXPORT(GFX) bool IsConfigurationSupported(
gfx::BufferFormat format,
gfx::BufferUsage usage);
// Note: |handle| is expected to have been validated as in
// ClientNativePixmapFactoryDmabuf::ImportFromHandle().
// TODO(andrescj): consider not exposing this class outside of
// client_native_pixmap_factory_dmabuf.cc.
static std::unique_ptr<gfx::ClientNativePixmap> ImportFromDmabuf(
gfx::NativePixmapHandle handle,
const gfx::Size& size,
gfx::BufferFormat format);
ClientNativePixmapDmaBuf(const ClientNativePixmapDmaBuf&) = delete;
ClientNativePixmapDmaBuf& operator=(const ClientNativePixmapDmaBuf&) = delete;
~ClientNativePixmapDmaBuf() override;
// Overridden from ClientNativePixmap.
bool Map() override;
void Unmap() override;
size_t GetNumberOfPlanes() const override;
void* GetMemoryAddress(size_t plane) const override;
int GetStride(size_t plane) const override;
NativePixmapHandle CloneHandleForIPC() const override;
private:
static constexpr size_t kMaxPlanes = 4;
struct PlaneInfo {
PlaneInfo();
PlaneInfo(PlaneInfo&& plane_info);
~PlaneInfo();
raw_ptr<void> data = nullptr;
size_t offset = 0;
size_t size = 0;
};
ClientNativePixmapDmaBuf(gfx::NativePixmapHandle handle,
const gfx::Size& size,
std::array<PlaneInfo, kMaxPlanes> plane_info);
const gfx::NativePixmapHandle pixmap_handle_;
const gfx::Size size_;
std::array<PlaneInfo, kMaxPlanes> plane_info_;
bool mapped_ = false;
};
} // namespace gfx
#endif // UI_GFX_LINUX_CLIENT_NATIVE_PIXMAP_DMABUF_H_
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