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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/test/fake_mask_layer_impl.h"
#include "cc/test/fake_raster_source.h"
#include "cc/test/layer_tree_impl_test_base.h"
#include "components/viz/common/quads/render_pass_draw_quad.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);
LayerTreeImplTestBase impl;
LayerImpl* owning_layer_impl = impl.AddLayer<LayerImpl>();
owning_layer_impl->SetBounds(layer_size);
owning_layer_impl->SetDrawsContent(true);
CopyProperties(impl.root_layer(), owning_layer_impl);
CreateEffectNode(owning_layer_impl).render_surface_reason =
RenderSurfaceReason::kTest;
impl.CalcDrawProps(viewport_size);
RenderSurfaceImpl* render_surface_impl = GetRenderSurface(owning_layer_impl);
ASSERT_TRUE(render_surface_impl);
{
SCOPED_TRACE("No occlusion");
gfx::Rect occluded;
impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded);
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);
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;
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);
}
}
static std::unique_ptr<viz::RenderPass> DoAppendQuadsWithScaledMask(
DrawMode draw_mode,
float device_scale_factor) {
gfx::Size layer_size(1000, 1000);
gfx::Rect viewport_rect(1000, 1000);
float scale_factor = 2;
scoped_refptr<FakeRasterSource> raster_source =
FakeRasterSource::CreateFilledSolidColor(layer_size);
LayerTreeImplTestBase impl;
auto* root = impl.root_layer();
auto* surface = impl.AddLayer<LayerImpl>();
surface->SetBounds(layer_size);
gfx::Transform scale;
scale.Scale(scale_factor, scale_factor);
CopyProperties(root, surface);
CreateTransformNode(surface).local = scale;
CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest;
auto* mask_layer = impl.AddLayer<FakeMaskLayerImpl>(raster_source);
mask_layer->set_resource_size(
gfx::ScaleToCeiledSize(layer_size, scale_factor));
SetupMaskProperties(surface, mask_layer);
auto* child = impl.AddLayer<LayerImpl>();
child->SetDrawsContent(true);
child->SetBounds(layer_size);
CopyProperties(surface, child);
LayerTreeImpl* active_tree = impl.host_impl()->active_tree();
active_tree->SetDeviceScaleFactor(device_scale_factor);
active_tree->SetDeviceViewportRect(viewport_rect);
UpdateDrawProperties(active_tree);
RenderSurfaceImpl* render_surface_impl = GetRenderSurface(surface);
std::unique_ptr<viz::RenderPass> render_pass = viz::RenderPass::Create();
AppendQuadsData append_quads_data;
render_surface_impl->AppendQuads(draw_mode, render_pass.get(),
&append_quads_data);
return render_pass;
}
TEST(RenderSurfaceLayerImplTest, AppendQuadsWithScaledMask) {
std::unique_ptr<viz::RenderPass> render_pass =
DoAppendQuadsWithScaledMask(DRAW_MODE_HARDWARE, 1.f);
DCHECK(render_pass->quad_list.front());
const viz::RenderPassDrawQuad* quad =
viz::RenderPassDrawQuad::MaterialCast(render_pass->quad_list.front());
// Mask layers don't use quad's mask functionality.
EXPECT_EQ(gfx::RectF(), quad->mask_uv_rect);
EXPECT_EQ(gfx::Vector2dF(2.f, 2.f), quad->filters_scale);
EXPECT_EQ(0u, quad->mask_resource_id());
}
TEST(RenderSurfaceLayerImplTest, ResourcelessAppendQuadsSkipMask) {
std::unique_ptr<viz::RenderPass> render_pass =
DoAppendQuadsWithScaledMask(DRAW_MODE_RESOURCELESS_SOFTWARE, 1.f);
DCHECK(render_pass->quad_list.front());
const viz::RenderPassDrawQuad* quad =
viz::RenderPassDrawQuad::MaterialCast(render_pass->quad_list.front());
EXPECT_EQ(0u, quad->mask_resource_id());
}
TEST(RenderSurfaceLayerImplTest,
AppendQuadsWithSolidColorMaskAndDeviceScaleFactor) {
std::unique_ptr<viz::RenderPass> render_pass =
DoAppendQuadsWithScaledMask(DRAW_MODE_HARDWARE, 2.f);
DCHECK(render_pass->quad_list.front());
const viz::RenderPassDrawQuad* quad =
viz::RenderPassDrawQuad::MaterialCast(render_pass->quad_list.front());
EXPECT_EQ(gfx::Transform(),
quad->shared_quad_state->quad_to_target_transform);
// With tiled mask layer, we only generate mask quads for visible rect. In
// this case |quad_layer_rect| is not fully covered, but
// |visible_quad_layer_rect| is fully covered.
VerifyQuadsExactlyCoverRect(render_pass->quad_list,
quad->shared_quad_state->visible_quad_layer_rect);
}
} // namespace
} // namespace cc
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