1// Copyright 2013 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 "cc/layers/append_quads_data.h"
6#include "cc/layers/heads_up_display_layer_impl.h"
7#include "cc/test/fake_impl_proxy.h"
8#include "cc/test/fake_layer_tree_host_impl.h"
9#include "cc/test/fake_output_surface.h"
10#include "cc/test/mock_occlusion_tracker.h"
11#include "cc/test/test_shared_bitmap_manager.h"
12#include "testing/gtest/include/gtest/gtest.h"
13
14namespace cc {
15namespace {
16
17void CheckDrawLayer(HeadsUpDisplayLayerImpl* layer,
18                    ResourceProvider* resource_provider,
19                    DrawMode draw_mode) {
20  MockOcclusionTracker<LayerImpl> occlusion_tracker;
21  scoped_ptr<RenderPass> render_pass = RenderPass::Create();
22  AppendQuadsData data;
23  bool will_draw = layer->WillDraw(draw_mode, resource_provider);
24  if (will_draw)
25    layer->AppendQuads(render_pass.get(), occlusion_tracker, &data);
26  layer->UpdateHudTexture(draw_mode, resource_provider);
27  if (will_draw)
28    layer->DidDraw(resource_provider);
29
30  size_t expected_quad_list_size = will_draw ? 1 : 0;
31  EXPECT_EQ(expected_quad_list_size, render_pass->quad_list.size());
32}
33
34TEST(HeadsUpDisplayLayerImplTest, ResourcelessSoftwareDrawAfterResourceLoss) {
35  FakeImplProxy proxy;
36  TestSharedBitmapManager shared_bitmap_manager;
37  FakeLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
38  host_impl.CreatePendingTree();
39  host_impl.InitializeRenderer(
40      FakeOutputSurface::Create3d().PassAs<OutputSurface>());
41  scoped_ptr<HeadsUpDisplayLayerImpl> layer =
42    HeadsUpDisplayLayerImpl::Create(host_impl.pending_tree(), 1);
43  layer->SetContentBounds(gfx::Size(100, 100));
44
45  // Check regular hardware draw is ok.
46  CheckDrawLayer(
47      layer.get(), host_impl.resource_provider(), DRAW_MODE_HARDWARE);
48
49  // Simulate a resource loss on transitioning to resourceless software mode.
50  layer->ReleaseResources();
51
52  // Should skip resourceless software draw and not crash in UpdateHudTexture.
53  CheckDrawLayer(layer.get(),
54                 host_impl.resource_provider(),
55                 DRAW_MODE_RESOURCELESS_SOFTWARE);
56}
57
58}  // namespace
59}  // namespace cc
60