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// 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.
#include "cc/layers/render_surface_impl.h"
#include <stddef.h>
#include "cc/layers/append_quads_data.h"
#include "cc/quads/render_pass_draw_quad.h"
#include "cc/test/fake_mask_layer_impl.h"
#include "cc/test/layer_test_common.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace cc {
namespace {
TEST(RenderSurfaceLayerImplTest, Occlusion) {
gfx::Size layer_size(1000, 1000);
gfx::Size viewport_size(1000, 1000);
LayerTestCommon::LayerImplTest impl;
LayerImpl* owning_layer_impl = impl.AddChildToRoot<LayerImpl>();
owning_layer_impl->SetBounds(layer_size);
owning_layer_impl->SetDrawsContent(true);
owning_layer_impl->test_properties()->force_render_surface = true;
impl.CalcDrawProps(viewport_size);
RenderSurfaceImpl* render_surface_impl =
owning_layer_impl->GetRenderSurface();
ASSERT_TRUE(render_surface_impl);
{
SCOPED_TRACE("No occlusion");
gfx::Rect occluded;
impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded);
LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
gfx::Rect(layer_size));
EXPECT_EQ(1u, impl.quad_list().size());
}
{
SCOPED_TRACE("Full occlusion");
gfx::Rect occluded(owning_layer_impl->visible_layer_rect());
impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded);
LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
EXPECT_EQ(impl.quad_list().size(), 0u);
}
{
SCOPED_TRACE("Partial occlusion");
gfx::Rect occluded(200, 0, 800, 1000);
impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded);
size_t partially_occluded_count = 0;
LayerTestCommon::VerifyQuadsAreOccluded(
impl.quad_list(), occluded, &partially_occluded_count);
// The layer outputs one quad, which is partially occluded.
EXPECT_EQ(1u, impl.quad_list().size());
EXPECT_EQ(1u, partially_occluded_count);
}
}
TEST(RenderSurfaceLayerImplTest, AppendQuadsWithScaledMask) {
gfx::Size layer_size(1000, 1000);
gfx::Size viewport_size(1000, 1000);
LayerTestCommon::LayerImplTest impl;
std::unique_ptr<LayerImpl> root =
LayerImpl::Create(impl.host_impl()->active_tree(), 2);
std::unique_ptr<LayerImpl> surface =
LayerImpl::Create(impl.host_impl()->active_tree(), 3);
surface->SetBounds(layer_size);
surface->test_properties()->force_render_surface = true;
gfx::Transform scale;
scale.Scale(2, 2);
surface->test_properties()->transform = scale;
surface->test_properties()->SetMaskLayer(
FakeMaskLayerImpl::Create(impl.host_impl()->active_tree(), 4));
surface->test_properties()->mask_layer->SetDrawsContent(true);
surface->test_properties()->mask_layer->SetBounds(layer_size);
std::unique_ptr<LayerImpl> child =
LayerImpl::Create(impl.host_impl()->active_tree(), 5);
child->SetDrawsContent(true);
child->SetBounds(layer_size);
surface->test_properties()->AddChild(std::move(child));
root->test_properties()->AddChild(std::move(surface));
impl.host_impl()->active_tree()->SetRootLayerForTesting(std::move(root));
impl.host_impl()->SetViewportSize(viewport_size);
impl.host_impl()->active_tree()->BuildLayerListAndPropertyTreesForTesting();
impl.host_impl()->active_tree()->UpdateDrawProperties(false);
LayerImpl* surface_raw = impl.host_impl()
->active_tree()
->root_layer_for_testing()
->test_properties()
->children[0];
RenderSurfaceImpl* render_surface_impl = surface_raw->GetRenderSurface();
std::unique_ptr<RenderPass> render_pass = RenderPass::Create();
AppendQuadsData append_quads_data;
render_surface_impl->AppendQuads(render_pass.get(), &append_quads_data);
const RenderPassDrawQuad* quad =
RenderPassDrawQuad::MaterialCast(render_pass->quad_list.front());
EXPECT_EQ(gfx::RectF(0, 0, 1.f, 1.f), quad->mask_uv_rect);
EXPECT_EQ(gfx::Vector2dF(2.f, 2.f), quad->filters_scale);
}
} // namespace
} // namespace cc
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