services/ui/public/interfaces/gpu.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 "gpu/ipc/common/gpu_info.mojom";
import "gpu/ipc/common/sync_token.mojom";
import "ui/gfx/geometry/mojo/geometry.mojom";
import "ui/gfx/mojo/buffer_types.mojom";

interface Gpu {
  // Tells the GPU service to create a new channel for communication with a
  // client. The GPU service responds with client ID, IPC handle and
  // GPUInfo.
  [Sync]
  EstablishGpuChannel() => (int32 client_id,
                            handle<message_pipe>? channel_handle,
                            gpu.mojom.GpuInfo gpu_info);

  // Tells the GPU service to create a new GPU memory buffer.
  CreateGpuMemoryBuffer(gfx.mojom.GpuMemoryBufferId id,
                        gfx.mojom.Size size,
                        gfx.mojom.BufferFormat format,
                        gfx.mojom.BufferUsage usage)
      => (gfx.mojom.GpuMemoryBufferHandle buffer_handle);

  // Tells the GPU process to destroy GPU memory buffer.
  DestroyGpuMemoryBuffer(gfx.mojom.GpuMemoryBufferId id,
                         gpu.mojom.SyncToken sync_token);
};