wayland_dmabuf.h

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/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#pragma once
 
#include <stdint.h>
 
#include <map>
 
#include "android-base/unique_fd.h"
#include "wayland-server-core.h"
 
namespace wayland {
 
struct DmabufPlane {
  android::base::unique_fd fd;
  uint32_t plane = 0;
  uint32_t offset = 0;
  uint32_t stride = 0;
  uint32_t modifier_hi = 0;
  uint32_t modifier_lo = 0;
};
 
struct DmabufParams {
  DmabufParams() = default;
 
  DmabufParams(const DmabufParams& rhs) = delete;
  DmabufParams& operator=(const DmabufParams& rhs) = delete;
 
  DmabufParams(DmabufParams&& rhs) = default;
  DmabufParams& operator=(DmabufParams&& rhs) = default;
 
  std::map<int32_t, DmabufPlane> planes;
};
 
struct Dmabuf {
  uint32_t width = 0;
  uint32_t height = 0;
  uint32_t format = 0;
  uint32_t flags = 0;
  DmabufParams params;
};
 
// Binds the dmabuf interface to the given wayland server.
void BindDmabufInterface(wl_display* display);
 
bool IsDmabufResource(struct wl_resource* resource);
 
}  // namespace wayland