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.
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_quad_culler.h"
11 #include "testing/gtest/include/gtest/gtest.h"
16 void CheckDrawLayer(HeadsUpDisplayLayerImpl* layer,
17 ResourceProvider* resource_provider,
19 MockQuadCuller quad_culler;
21 bool will_draw = layer->WillDraw(draw_mode, resource_provider);
23 layer->AppendQuads(&quad_culler, &data);
24 layer->UpdateHudTexture(draw_mode, resource_provider);
26 layer->DidDraw(resource_provider);
28 size_t expected_quad_list_size = will_draw ? 1 : 0;
29 EXPECT_EQ(expected_quad_list_size, quad_culler.quad_list().size());
32 TEST(HeadsUpDisplayLayerImplTest, ResourcelessSoftwareDrawAfterResourceLoss) {
34 FakeLayerTreeHostImpl host_impl(&proxy);
35 host_impl.CreatePendingTree();
36 host_impl.InitializeRenderer(
37 FakeOutputSurface::Create3d().PassAs<OutputSurface>());
38 scoped_ptr<HeadsUpDisplayLayerImpl> layer =
39 HeadsUpDisplayLayerImpl::Create(host_impl.pending_tree(), 1);
40 layer->SetContentBounds(gfx::Size(100, 100));
42 // Check regular hardware draw is ok.
44 layer.get(), host_impl.resource_provider(), DRAW_MODE_HARDWARE);
46 // Simulate a resource loss on transitioning to resourceless software mode.
47 layer->ReleaseResources();
49 // Should skip resourceless software draw and not crash in UpdateHudTexture.
50 CheckDrawLayer(layer.get(),
51 host_impl.resource_provider(),
52 DRAW_MODE_RESOURCELESS_SOFTWARE);