render_surface_impl_unittest.cc 5.5 KB

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  1. // Copyright 2014 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.
  4. #include "cc/layers/render_surface_impl.h"
  5. #include <stddef.h>
  6. #include "cc/layers/append_quads_data.h"
  7. #include "cc/test/fake_mask_layer_impl.h"
  8. #include "cc/test/fake_raster_source.h"
  9. #include "cc/test/layer_tree_impl_test_base.h"
  10. #include "components/viz/common/quads/compositor_render_pass_draw_quad.h"
  11. #include "testing/gtest/include/gtest/gtest.h"
  12. namespace cc {
  13. namespace {
  14. TEST(RenderSurfaceLayerImplTest, Occlusion) {
  15. gfx::Size layer_size(1000, 1000);
  16. gfx::Size viewport_size(1000, 1000);
  17. LayerTreeImplTestBase impl;
  18. LayerImpl* owning_layer_impl = impl.AddLayer<LayerImpl>();
  19. owning_layer_impl->SetBounds(layer_size);
  20. owning_layer_impl->SetDrawsContent(true);
  21. CopyProperties(impl.root_layer(), owning_layer_impl);
  22. CreateEffectNode(owning_layer_impl).render_surface_reason =
  23. RenderSurfaceReason::kTest;
  24. impl.CalcDrawProps(viewport_size);
  25. RenderSurfaceImpl* render_surface_impl = GetRenderSurface(owning_layer_impl);
  26. ASSERT_TRUE(render_surface_impl);
  27. {
  28. SCOPED_TRACE("No occlusion");
  29. gfx::Rect occluded;
  30. impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded);
  31. VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect(layer_size));
  32. EXPECT_EQ(1u, impl.quad_list().size());
  33. }
  34. {
  35. SCOPED_TRACE("Full occlusion");
  36. gfx::Rect occluded(owning_layer_impl->visible_layer_rect());
  37. impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded);
  38. VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
  39. EXPECT_EQ(impl.quad_list().size(), 0u);
  40. }
  41. {
  42. SCOPED_TRACE("Partial occlusion");
  43. gfx::Rect occluded(200, 0, 800, 1000);
  44. impl.AppendSurfaceQuadsWithOcclusion(render_surface_impl, occluded);
  45. size_t partially_occluded_count = 0;
  46. VerifyQuadsAreOccluded(impl.quad_list(), occluded,
  47. &partially_occluded_count);
  48. // The layer outputs one quad, which is partially occluded.
  49. EXPECT_EQ(1u, impl.quad_list().size());
  50. EXPECT_EQ(1u, partially_occluded_count);
  51. }
  52. }
  53. static std::unique_ptr<viz::CompositorRenderPass> DoAppendQuadsWithScaledMask(
  54. DrawMode draw_mode,
  55. float device_scale_factor) {
  56. gfx::Size layer_size(1000, 1000);
  57. gfx::Rect viewport_rect(1000, 1000);
  58. float scale_factor = 2;
  59. scoped_refptr<FakeRasterSource> raster_source =
  60. FakeRasterSource::CreateFilledSolidColor(layer_size);
  61. LayerTreeImplTestBase impl;
  62. auto* root = impl.root_layer();
  63. auto* surface = impl.AddLayer<LayerImpl>();
  64. surface->SetBounds(layer_size);
  65. gfx::Transform scale;
  66. scale.Scale(scale_factor, scale_factor);
  67. CopyProperties(root, surface);
  68. CreateTransformNode(surface).local = scale;
  69. CreateEffectNode(surface).render_surface_reason = RenderSurfaceReason::kTest;
  70. auto* mask_layer = impl.AddLayer<FakeMaskLayerImpl>(raster_source);
  71. mask_layer->set_resource_size(
  72. gfx::ScaleToCeiledSize(layer_size, scale_factor));
  73. SetupMaskProperties(surface, mask_layer);
  74. auto* child = impl.AddLayer<LayerImpl>();
  75. child->SetDrawsContent(true);
  76. child->SetBounds(layer_size);
  77. CopyProperties(surface, child);
  78. LayerTreeImpl* active_tree = impl.host_impl()->active_tree();
  79. active_tree->SetDeviceScaleFactor(device_scale_factor);
  80. active_tree->SetDeviceViewportRect(viewport_rect);
  81. UpdateDrawProperties(active_tree);
  82. RenderSurfaceImpl* render_surface_impl = GetRenderSurface(surface);
  83. auto render_pass = viz::CompositorRenderPass::Create();
  84. AppendQuadsData append_quads_data;
  85. render_surface_impl->AppendQuads(draw_mode, render_pass.get(),
  86. &append_quads_data);
  87. return render_pass;
  88. }
  89. TEST(RenderSurfaceLayerImplTest, AppendQuadsWithScaledMask) {
  90. std::unique_ptr<viz::CompositorRenderPass> render_pass =
  91. DoAppendQuadsWithScaledMask(DRAW_MODE_HARDWARE, 1.f);
  92. DCHECK(render_pass->quad_list.front());
  93. const viz::CompositorRenderPassDrawQuad* quad =
  94. viz::CompositorRenderPassDrawQuad::MaterialCast(
  95. render_pass->quad_list.front());
  96. // Mask layers don't use quad's mask functionality.
  97. EXPECT_EQ(gfx::RectF(), quad->mask_uv_rect);
  98. EXPECT_EQ(gfx::Vector2dF(2.f, 2.f), quad->filters_scale);
  99. EXPECT_EQ(viz::kInvalidResourceId, quad->mask_resource_id());
  100. }
  101. TEST(RenderSurfaceLayerImplTest, ResourcelessAppendQuadsSkipMask) {
  102. std::unique_ptr<viz::CompositorRenderPass> render_pass =
  103. DoAppendQuadsWithScaledMask(DRAW_MODE_RESOURCELESS_SOFTWARE, 1.f);
  104. DCHECK(render_pass->quad_list.front());
  105. const viz::CompositorRenderPassDrawQuad* quad =
  106. viz::CompositorRenderPassDrawQuad::MaterialCast(
  107. render_pass->quad_list.front());
  108. EXPECT_EQ(viz::kInvalidResourceId, quad->mask_resource_id());
  109. }
  110. TEST(RenderSurfaceLayerImplTest,
  111. AppendQuadsWithSolidColorMaskAndDeviceScaleFactor) {
  112. std::unique_ptr<viz::CompositorRenderPass> render_pass =
  113. DoAppendQuadsWithScaledMask(DRAW_MODE_HARDWARE, 2.f);
  114. DCHECK(render_pass->quad_list.front());
  115. const viz::CompositorRenderPassDrawQuad* quad =
  116. viz::CompositorRenderPassDrawQuad::MaterialCast(
  117. render_pass->quad_list.front());
  118. EXPECT_EQ(gfx::Transform(),
  119. quad->shared_quad_state->quad_to_target_transform);
  120. // With tiled mask layer, we only generate mask quads for visible rect. In
  121. // this case |quad_layer_rect| is not fully covered, but
  122. // |visible_quad_layer_rect| is fully covered.
  123. VerifyQuadsExactlyCoverRect(render_pass->quad_list,
  124. quad->shared_quad_state->visible_quad_layer_rect);
  125. }
  126. } // namespace
  127. } // namespace cc