mojo/services/public/interfaces/surfaces/surfaces.mojom

// Copyright 2014 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.

import "mojo/services/public/interfaces/geometry/geometry.mojom"
import "mojo/services/public/interfaces/gpu/command_buffer.mojom"
import "mojo/services/public/interfaces/surfaces/quads.mojom"
import "mojo/services/public/interfaces/surfaces/surface_id.mojom"

module mojo {

enum ResourceFormat {
  RGBA_8888,
  RGBA_4444,
  BGRA_8888,
  ALPHA_8,
  LUMINANCE_8,
  RGB_565,
  ETC1,
};

struct Mailbox {
  array<int8, 64> name;
};

struct MailboxHolder {
  Mailbox mailbox;
  uint32 texture_target;
  uint32 sync_point;
};

struct TransferableResource {
  uint32 id;
  ResourceFormat format;
  uint32 filter;
  Size size;
  MailboxHolder mailbox_holder;
  bool is_repeated;
  bool is_software;
};

struct ReturnedResource {
  uint32 id;
  uint32 sync_point;
  int32 count;
  bool lost;
};

struct Frame {
  array<TransferableResource> resources;
  array<Pass> passes;
};

interface SurfaceClient {
  ReturnResources(array<ReturnedResource> resources);
};

[Client=SurfaceClient]
interface Surface {
  // The id is created by the client and must be unique and contain the
  // connection's namespace in the upper 32 bits.
  CreateSurface(SurfaceId id, Size size);

  // The client can only submit frames to surfaces created with this connection.
  SubmitFrame(SurfaceId id, Frame frame);
  DestroySurface(SurfaceId id);

  CreateGLES2BoundSurface(CommandBuffer gles2_client,
                          SurfaceId id,
                          Size size);
};

}