1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "mojo/examples/surfaces_app/embedder.h"
6
7#include "cc/output/compositor_frame.h"
8#include "cc/output/delegated_frame_data.h"
9#include "cc/quads/render_pass.h"
10#include "cc/quads/solid_color_draw_quad.h"
11#include "cc/quads/surface_draw_quad.h"
12#include "mojo/examples/surfaces_app/surfaces_util.h"
13#include "mojo/services/public/cpp/surfaces/surfaces_type_converters.h"
14#include "mojo/services/public/interfaces/surfaces/surface_id.mojom.h"
15#include "ui/gfx/rect.h"
16#include "ui/gfx/size.h"
17#include "ui/gfx/transform.h"
18
19namespace mojo {
20namespace examples {
21
22using cc::RenderPass;
23using cc::RenderPassId;
24using cc::SurfaceDrawQuad;
25using cc::DrawQuad;
26using cc::SolidColorDrawQuad;
27using cc::DelegatedFrameData;
28using cc::CompositorFrame;
29
30Embedder::Embedder(Surface* surface) : surface_(surface) {
31}
32
33Embedder::~Embedder() {
34}
35
36void Embedder::ProduceFrame(cc::SurfaceId child_one,
37                            cc::SurfaceId child_two,
38                            const gfx::Size& child_size,
39                            const gfx::Size& size,
40                            int offset) {
41  gfx::Rect rect(size);
42  RenderPassId pass_id(1, 1);
43  scoped_ptr<RenderPass> pass = RenderPass::Create();
44  pass->SetNew(pass_id, rect, rect, gfx::Transform());
45
46  if (!child_one.is_null()) {
47    gfx::Transform one_transform;
48    one_transform.Translate(10 + child_size.width() / 2,
49                            50 + child_size.height() / 2);
50    one_transform.Translate(0, offset);
51    one_transform.Translate(-child_size.width() / 2, -child_size.height() / 2);
52    CreateAndAppendSimpleSharedQuadState(pass.get(), one_transform, size);
53
54    SurfaceDrawQuad* surface_one_quad =
55        pass->CreateAndAppendDrawQuad<SurfaceDrawQuad>();
56    gfx::Rect one_rect(child_size);
57    surface_one_quad->SetNew(
58        pass->shared_quad_state_list.back(), one_rect, one_rect, child_one);
59  }
60
61  if (!child_two.is_null()) {
62    gfx::Transform two_transform;
63    two_transform.Translate(10 + size.width() / 2 + child_size.width() / 2,
64                            50 + child_size.height() / 2);
65    two_transform.Translate(0, 200 - offset);
66    two_transform.Translate(-child_size.width() / 2, -child_size.height() / 2);
67    CreateAndAppendSimpleSharedQuadState(pass.get(), two_transform, size);
68
69    SurfaceDrawQuad* surface_two_quad =
70        pass->CreateAndAppendDrawQuad<SurfaceDrawQuad>();
71    gfx::Rect two_rect(child_size);
72    surface_two_quad->SetNew(
73        pass->shared_quad_state_list.back(), two_rect, two_rect, child_two);
74  }
75
76  CreateAndAppendSimpleSharedQuadState(pass.get(), gfx::Transform(), size);
77  SolidColorDrawQuad* color_quad =
78      pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
79  bool force_anti_aliasing_off = false;
80  color_quad->SetNew(pass->shared_quad_state_list.back(),
81                     rect,
82                     rect,
83                     SK_ColorYELLOW,
84                     force_anti_aliasing_off);
85
86  scoped_ptr<DelegatedFrameData> delegated_frame_data(new DelegatedFrameData);
87  delegated_frame_data->render_pass_list.push_back(pass.Pass());
88
89  scoped_ptr<CompositorFrame> frame(new CompositorFrame);
90  frame->delegated_frame_data = delegated_frame_data.Pass();
91
92  surface_->SubmitFrame(mojo::SurfaceId::From(id_),
93                        mojo::Frame::From(*frame));
94}
95
96}  // namespace examples
97}  // namespace mojo
98