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// Copyright 2013 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.
#include "cc/layers/append_quads_data.h"
#include "cc/layers/heads_up_display_layer_impl.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/fake_output_surface.h"
#include "cc/test/mock_quad_culler.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
void CheckDrawLayer(HeadsUpDisplayLayerImpl* layer,
ResourceProvider* resource_provider,
DrawMode draw_mode) {
MockQuadCuller quad_culler;
AppendQuadsData data;
bool will_draw = layer->WillDraw(draw_mode, resource_provider);
if (will_draw)
layer->AppendQuads(&quad_culler, &data);
layer->UpdateHudTexture(draw_mode, resource_provider);
if (will_draw)
layer->DidDraw(resource_provider);
size_t expected_quad_list_size = will_draw ? 1 : 0;
EXPECT_EQ(expected_quad_list_size, quad_culler.quad_list().size());
}
TEST(HeadsUpDisplayLayerImplTest, ResourcelessSoftwareDrawAfterResourceLoss) {
FakeImplProxy proxy;
FakeLayerTreeHostImpl host_impl(&proxy);
host_impl.CreatePendingTree();
host_impl.InitializeRenderer(CreateFakeOutputSurface());
scoped_ptr<HeadsUpDisplayLayerImpl> layer =
HeadsUpDisplayLayerImpl::Create(host_impl.pending_tree(), 1);
layer->SetContentBounds(gfx::Size(100, 100));
// Check regular hardware draw is ok.
CheckDrawLayer(
layer.get(), host_impl.resource_provider(), DRAW_MODE_HARDWARE);
// Simulate a resource loss on transitioning to resourceless software mode.
layer->DidLoseOutputSurface();
// Should skip resourceless software draw and not crash in UpdateHudTexture.
CheckDrawLayer(layer.get(),
host_impl.resource_provider(),
DRAW_MODE_RESOURCELESS_SOFTWARE);
}
} // namespace
} // namespace cc
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