services/ui/gpu/interfaces/gpu_service_internal.mojom

// Copyright 2016 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.

module ui.mojom;

import "cc/ipc/display_compositor.mojom";
import "gpu/ipc/common/gpu_info.mojom";
import "gpu/ipc/common/surface_handle.mojom";
import "gpu/ipc/common/sync_token.mojom";
import "ui/gfx/geometry/mojo/geometry.mojom";
import "ui/gfx/mojo/buffer_types.mojom";

interface GpuServiceInternal {
  // Tells the GPU service to create a new channel for communication with a
  // client. The GPU service responds with an IPC handle.
  EstablishGpuChannel(int32 client_id,
                      uint64 client_tracing_id,
                      bool is_gpu_host)
      => (handle<message_pipe> channel_handle);

  [Sync]
  CreateGpuMemoryBuffer(gfx.mojom.GpuMemoryBufferId id,
                        gfx.mojom.Size size,
                        gfx.mojom.BufferFormat format,
                        gfx.mojom.BufferUsage usage,
                        int32 client_id,
                        gpu.mojom.SurfaceHandle surface_handle)
      => (gfx.mojom.GpuMemoryBufferHandle buffer_handle);

  DestroyGpuMemoryBuffer(gfx.mojom.GpuMemoryBufferId id,
                         int32 client_id,
                         gpu.mojom.SyncToken sync_token);
};