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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/compositor_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::CompositorRenderPass> 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);
- auto render_pass = viz::CompositorRenderPass::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::CompositorRenderPass> render_pass =
- DoAppendQuadsWithScaledMask(DRAW_MODE_HARDWARE, 1.f);
- DCHECK(render_pass->quad_list.front());
- const viz::CompositorRenderPassDrawQuad* quad =
- viz::CompositorRenderPassDrawQuad::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(viz::kInvalidResourceId, quad->mask_resource_id());
- }
- TEST(RenderSurfaceLayerImplTest, ResourcelessAppendQuadsSkipMask) {
- std::unique_ptr<viz::CompositorRenderPass> render_pass =
- DoAppendQuadsWithScaledMask(DRAW_MODE_RESOURCELESS_SOFTWARE, 1.f);
- DCHECK(render_pass->quad_list.front());
- const viz::CompositorRenderPassDrawQuad* quad =
- viz::CompositorRenderPassDrawQuad::MaterialCast(
- render_pass->quad_list.front());
- EXPECT_EQ(viz::kInvalidResourceId, quad->mask_resource_id());
- }
- TEST(RenderSurfaceLayerImplTest,
- AppendQuadsWithSolidColorMaskAndDeviceScaleFactor) {
- std::unique_ptr<viz::CompositorRenderPass> render_pass =
- DoAppendQuadsWithScaledMask(DRAW_MODE_HARDWARE, 2.f);
- DCHECK(render_pass->quad_list.front());
- const viz::CompositorRenderPassDrawQuad* quad =
- viz::CompositorRenderPassDrawQuad::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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