| // Copyright 2012 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/tiled_layer_impl.h" |
| |
| #include "cc/layers/append_quads_data.h" |
| #include "cc/quads/tile_draw_quad.h" |
| #include "cc/resources/layer_tiling_data.h" |
| #include "cc/test/fake_impl_proxy.h" |
| #include "cc/test/fake_layer_tree_host_impl.h" |
| #include "cc/test/layer_test_common.h" |
| #include "cc/trees/single_thread_proxy.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cc { |
| namespace { |
| |
| class TiledLayerImplTest : public testing::Test { |
| public: |
| TiledLayerImplTest() : host_impl_(&proxy_, &shared_bitmap_manager_) {} |
| |
| scoped_ptr<TiledLayerImpl> CreateLayerNoTiles( |
| const gfx::Size& tile_size, |
| const gfx::Size& layer_size, |
| LayerTilingData::BorderTexelOption border_texels) { |
| scoped_ptr<TiledLayerImpl> layer = |
| TiledLayerImpl::Create(host_impl_.active_tree(), 1); |
| scoped_ptr<LayerTilingData> tiler = |
| LayerTilingData::Create(tile_size, border_texels); |
| tiler->SetTilingSize(layer_size); |
| layer->SetTilingData(*tiler); |
| layer->set_skips_draw(false); |
| layer->draw_properties().visible_content_rect = |
| gfx::Rect(layer_size); |
| layer->draw_properties().opacity = 1; |
| layer->SetBounds(layer_size); |
| layer->SetContentBounds(layer_size); |
| layer->CreateRenderSurface(); |
| layer->draw_properties().render_target = layer.get(); |
| return layer.Pass(); |
| } |
| |
| // Create a default tiled layer with textures for all tiles and a default |
| // visibility of the entire layer size. |
| scoped_ptr<TiledLayerImpl> CreateLayer( |
| const gfx::Size& tile_size, |
| const gfx::Size& layer_size, |
| LayerTilingData::BorderTexelOption border_texels) { |
| scoped_ptr<TiledLayerImpl> layer = |
| CreateLayerNoTiles(tile_size, layer_size, border_texels); |
| |
| ResourceProvider::ResourceId resource_id = 1; |
| for (int i = 0; i < layer->TilingForTesting()->num_tiles_x(); ++i) { |
| for (int j = 0; j < layer->TilingForTesting()->num_tiles_y(); ++j) { |
| gfx::Rect opaque_rect( |
| layer->TilingForTesting()->tile_bounds(i, j).origin(), |
| gfx::Size(1, 1)); |
| layer->PushTileProperties(i, j, resource_id++, opaque_rect, false); |
| } |
| } |
| |
| return layer.Pass(); |
| } |
| |
| void GetQuads(RenderPass* render_pass, |
| const gfx::Size& tile_size, |
| const gfx::Size& layer_size, |
| LayerTilingData::BorderTexelOption border_texel_option, |
| const gfx::Rect& visible_content_rect) { |
| scoped_ptr<TiledLayerImpl> layer = |
| CreateLayer(tile_size, layer_size, border_texel_option); |
| layer->draw_properties().visible_content_rect = visible_content_rect; |
| layer->SetBounds(layer_size); |
| |
| MockOcclusionTracker<LayerImpl> occlusion_tracker; |
| AppendQuadsData data; |
| layer->AppendQuads(render_pass, occlusion_tracker, &data); |
| } |
| |
| protected: |
| FakeImplProxy proxy_; |
| TestSharedBitmapManager shared_bitmap_manager_; |
| FakeLayerTreeHostImpl host_impl_; |
| }; |
| |
| TEST_F(TiledLayerImplTest, EmptyQuadList) { |
| gfx::Size tile_size(90, 90); |
| int num_tiles_x = 8; |
| int num_tiles_y = 4; |
| gfx::Size layer_size(tile_size.width() * num_tiles_x, |
| tile_size.height() * num_tiles_y); |
| |
| // Verify default layer does creates quads |
| { |
| scoped_ptr<TiledLayerImpl> layer = |
| CreateLayer(tile_size, layer_size, LayerTilingData::NO_BORDER_TEXELS); |
| MockOcclusionTracker<LayerImpl> occlusion_tracker; |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| |
| AppendQuadsData data; |
| EXPECT_TRUE(layer->WillDraw(DRAW_MODE_HARDWARE, NULL)); |
| layer->AppendQuads(render_pass.get(), occlusion_tracker, &data); |
| layer->DidDraw(NULL); |
| unsigned num_tiles = num_tiles_x * num_tiles_y; |
| EXPECT_EQ(render_pass->quad_list.size(), num_tiles); |
| } |
| |
| // Layer with empty visible layer rect produces no quads |
| { |
| scoped_ptr<TiledLayerImpl> layer = |
| CreateLayer(tile_size, layer_size, LayerTilingData::NO_BORDER_TEXELS); |
| layer->draw_properties().visible_content_rect = gfx::Rect(); |
| |
| MockOcclusionTracker<LayerImpl> occlusion_tracker; |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| |
| EXPECT_FALSE(layer->WillDraw(DRAW_MODE_HARDWARE, NULL)); |
| } |
| |
| // Layer with non-intersecting visible layer rect produces no quads |
| { |
| scoped_ptr<TiledLayerImpl> layer = |
| CreateLayer(tile_size, layer_size, LayerTilingData::NO_BORDER_TEXELS); |
| |
| gfx::Rect outside_bounds(-100, -100, 50, 50); |
| layer->draw_properties().visible_content_rect = outside_bounds; |
| |
| MockOcclusionTracker<LayerImpl> occlusion_tracker; |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| |
| AppendQuadsData data; |
| EXPECT_TRUE(layer->WillDraw(DRAW_MODE_HARDWARE, NULL)); |
| layer->AppendQuads(render_pass.get(), occlusion_tracker, &data); |
| layer->DidDraw(NULL); |
| EXPECT_EQ(render_pass->quad_list.size(), 0u); |
| } |
| |
| // Layer with skips draw produces no quads |
| { |
| scoped_ptr<TiledLayerImpl> layer = |
| CreateLayer(tile_size, layer_size, LayerTilingData::NO_BORDER_TEXELS); |
| layer->set_skips_draw(true); |
| |
| MockOcclusionTracker<LayerImpl> occlusion_tracker; |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| |
| AppendQuadsData data; |
| layer->AppendQuads(render_pass.get(), occlusion_tracker, &data); |
| EXPECT_EQ(render_pass->quad_list.size(), 0u); |
| } |
| } |
| |
| TEST_F(TiledLayerImplTest, Checkerboarding) { |
| gfx::Size tile_size(10, 10); |
| int num_tiles_x = 2; |
| int num_tiles_y = 2; |
| gfx::Size layer_size(tile_size.width() * num_tiles_x, |
| tile_size.height() * num_tiles_y); |
| |
| scoped_ptr<TiledLayerImpl> layer = |
| CreateLayer(tile_size, layer_size, LayerTilingData::NO_BORDER_TEXELS); |
| |
| // No checkerboarding |
| { |
| MockOcclusionTracker<LayerImpl> occlusion_tracker; |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| |
| AppendQuadsData data; |
| layer->AppendQuads(render_pass.get(), occlusion_tracker, &data); |
| EXPECT_EQ(render_pass->quad_list.size(), 4u); |
| EXPECT_EQ(0u, data.num_missing_tiles); |
| |
| for (size_t i = 0; i < render_pass->quad_list.size(); ++i) |
| EXPECT_EQ(render_pass->quad_list[i]->material, DrawQuad::TILED_CONTENT); |
| } |
| |
| for (int i = 0; i < num_tiles_x; ++i) |
| for (int j = 0; j < num_tiles_y; ++j) |
| layer->PushTileProperties(i, j, 0, gfx::Rect(), false); |
| |
| // All checkerboarding |
| { |
| MockOcclusionTracker<LayerImpl> occlusion_tracker; |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| |
| AppendQuadsData data; |
| layer->AppendQuads(render_pass.get(), occlusion_tracker, &data); |
| EXPECT_LT(0u, data.num_missing_tiles); |
| EXPECT_EQ(render_pass->quad_list.size(), 4u); |
| for (size_t i = 0; i < render_pass->quad_list.size(); ++i) |
| EXPECT_NE(render_pass->quad_list[i]->material, DrawQuad::TILED_CONTENT); |
| } |
| } |
| |
| // Test with both border texels and without. |
| #define WITH_AND_WITHOUT_BORDER_TEST(text_fixture_name) \ |
| TEST_F(TiledLayerImplBorderTest, text_fixture_name##NoBorders) { \ |
| text_fixture_name(LayerTilingData::NO_BORDER_TEXELS); \ |
| } \ |
| TEST_F(TiledLayerImplBorderTest, text_fixture_name##HasBorders) { \ |
| text_fixture_name(LayerTilingData::HAS_BORDER_TEXELS); \ |
| } |
| |
| class TiledLayerImplBorderTest : public TiledLayerImplTest { |
| public: |
| void CoverageVisibleRectOnTileBoundaries( |
| LayerTilingData::BorderTexelOption borders) { |
| gfx::Size layer_size(1000, 1000); |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| GetQuads(render_pass.get(), |
| gfx::Size(100, 100), |
| layer_size, |
| borders, |
| gfx::Rect(layer_size)); |
| LayerTestCommon::VerifyQuadsExactlyCoverRect(render_pass->quad_list, |
| gfx::Rect(layer_size)); |
| } |
| |
| void CoverageVisibleRectIntersectsTiles( |
| LayerTilingData::BorderTexelOption borders) { |
| // This rect intersects the middle 3x3 of the 5x5 tiles. |
| gfx::Point top_left(65, 73); |
| gfx::Point bottom_right(182, 198); |
| gfx::Rect visible_content_rect = gfx::BoundingRect(top_left, bottom_right); |
| |
| gfx::Size layer_size(250, 250); |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| GetQuads(render_pass.get(), |
| gfx::Size(50, 50), |
| gfx::Size(250, 250), |
| LayerTilingData::NO_BORDER_TEXELS, |
| visible_content_rect); |
| LayerTestCommon::VerifyQuadsExactlyCoverRect(render_pass->quad_list, |
| visible_content_rect); |
| } |
| |
| void CoverageVisibleRectIntersectsBounds( |
| LayerTilingData::BorderTexelOption borders) { |
| gfx::Size layer_size(220, 210); |
| gfx::Rect visible_content_rect(layer_size); |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| GetQuads(render_pass.get(), |
| gfx::Size(100, 100), |
| layer_size, |
| LayerTilingData::NO_BORDER_TEXELS, |
| visible_content_rect); |
| LayerTestCommon::VerifyQuadsExactlyCoverRect(render_pass->quad_list, |
| visible_content_rect); |
| } |
| }; |
| WITH_AND_WITHOUT_BORDER_TEST(CoverageVisibleRectOnTileBoundaries); |
| |
| WITH_AND_WITHOUT_BORDER_TEST(CoverageVisibleRectIntersectsTiles); |
| |
| WITH_AND_WITHOUT_BORDER_TEST(CoverageVisibleRectIntersectsBounds); |
| |
| TEST_F(TiledLayerImplTest, TextureInfoForLayerNoBorders) { |
| gfx::Size tile_size(50, 50); |
| gfx::Size layer_size(250, 250); |
| scoped_ptr<RenderPass> render_pass = RenderPass::Create(); |
| GetQuads(render_pass.get(), |
| tile_size, |
| layer_size, |
| LayerTilingData::NO_BORDER_TEXELS, |
| gfx::Rect(layer_size)); |
| |
| for (size_t i = 0; i < render_pass->quad_list.size(); ++i) { |
| const TileDrawQuad* quad = |
| TileDrawQuad::MaterialCast(render_pass->quad_list[i]); |
| |
| EXPECT_NE(0u, quad->resource_id) << LayerTestCommon::quad_string << i; |
| EXPECT_EQ(gfx::RectF(gfx::PointF(), tile_size), quad->tex_coord_rect) |
| << LayerTestCommon::quad_string << i; |
| EXPECT_EQ(tile_size, quad->texture_size) << LayerTestCommon::quad_string |
| << i; |
| EXPECT_EQ(gfx::Size(1, 1).ToString(), quad->opaque_rect.size().ToString()) |
| << LayerTestCommon::quad_string << i; |
| } |
| } |
| |
| TEST_F(TiledLayerImplTest, GPUMemoryUsage) { |
| gfx::Size tile_size(20, 30); |
| int num_tiles_x = 12; |
| int num_tiles_y = 32; |
| gfx::Size layer_size(tile_size.width() * num_tiles_x, |
| tile_size.height() * num_tiles_y); |
| |
| scoped_ptr<TiledLayerImpl> layer = CreateLayerNoTiles( |
| tile_size, layer_size, LayerTilingData::NO_BORDER_TEXELS); |
| |
| EXPECT_EQ(layer->GPUMemoryUsageInBytes(), 0u); |
| |
| ResourceProvider::ResourceId resource_id = 1; |
| layer->PushTileProperties(0, 1, resource_id++, gfx::Rect(0, 0, 1, 1), false); |
| layer->PushTileProperties(2, 3, resource_id++, gfx::Rect(0, 0, 1, 1), false); |
| layer->PushTileProperties(2, 0, resource_id++, gfx::Rect(0, 0, 1, 1), false); |
| |
| EXPECT_EQ( |
| layer->GPUMemoryUsageInBytes(), |
| static_cast<size_t>(3 * 4 * tile_size.width() * tile_size.height())); |
| |
| ResourceProvider::ResourceId empty_resource(0); |
| layer->PushTileProperties(0, 1, empty_resource, gfx::Rect(0, 0, 1, 1), false); |
| layer->PushTileProperties(2, 3, empty_resource, gfx::Rect(0, 0, 1, 1), false); |
| layer->PushTileProperties(2, 0, empty_resource, gfx::Rect(0, 0, 1, 1), false); |
| |
| EXPECT_EQ(layer->GPUMemoryUsageInBytes(), 0u); |
| } |
| |
| TEST_F(TiledLayerImplTest, EmptyMask) { |
| gfx::Size tile_size(20, 20); |
| gfx::Size layer_size(0, 0); |
| scoped_ptr<TiledLayerImpl> layer = |
| CreateLayer(tile_size, layer_size, LayerTilingData::NO_BORDER_TEXELS); |
| |
| EXPECT_EQ(0u, layer->ContentsResourceId()); |
| EXPECT_EQ(0, layer->TilingForTesting()->num_tiles_x()); |
| EXPECT_EQ(0, layer->TilingForTesting()->num_tiles_y()); |
| } |
| |
| TEST_F(TiledLayerImplTest, Occlusion) { |
| gfx::Size tile_size(100, 100); |
| gfx::Size layer_bounds(1000, 1000); |
| gfx::Size viewport_size(1000, 1000); |
| |
| LayerTestCommon::LayerImplTest impl; |
| |
| TiledLayerImpl* tiled_layer = impl.AddChildToRoot<TiledLayerImpl>(); |
| tiled_layer->SetBounds(layer_bounds); |
| tiled_layer->SetContentBounds(layer_bounds); |
| tiled_layer->SetDrawsContent(true); |
| tiled_layer->set_skips_draw(false); |
| |
| scoped_ptr<LayerTilingData> tiler = |
| LayerTilingData::Create(tile_size, LayerTilingData::NO_BORDER_TEXELS); |
| tiler->SetTilingSize(layer_bounds); |
| tiled_layer->SetTilingData(*tiler); |
| |
| ResourceProvider::ResourceId resource_id = 1; |
| for (int i = 0; i < tiled_layer->TilingForTesting()->num_tiles_x(); ++i) { |
| for (int j = 0; j < tiled_layer->TilingForTesting()->num_tiles_y(); ++j) |
| tiled_layer->PushTileProperties(i, j, resource_id++, gfx::Rect(), false); |
| } |
| |
| impl.CalcDrawProps(viewport_size); |
| |
| { |
| SCOPED_TRACE("No occlusion"); |
| gfx::Rect occluded; |
| impl.AppendQuadsWithOcclusion(tiled_layer, occluded); |
| |
| LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), |
| gfx::Rect(layer_bounds)); |
| EXPECT_EQ(100u, impl.quad_list().size()); |
| } |
| |
| { |
| SCOPED_TRACE("Full occlusion"); |
| gfx::Rect occluded(tiled_layer->visible_content_rect()); |
| impl.AppendQuadsWithOcclusion(tiled_layer, occluded); |
| |
| LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect()); |
| EXPECT_EQ(impl.quad_list().size(), 0u); |
| } |
| |
| { |
| SCOPED_TRACE("Partial occlusion"); |
| gfx::Rect occluded(150, 0, 200, 1000); |
| impl.AppendQuadsWithOcclusion(tiled_layer, occluded); |
| |
| size_t partially_occluded_count = 0; |
| LayerTestCommon::VerifyQuadsCoverRectWithOcclusion( |
| impl.quad_list(), |
| gfx::Rect(layer_bounds), |
| occluded, |
| &partially_occluded_count); |
| // The layer outputs one quad, which is partially occluded. |
| EXPECT_EQ(100u - 10u, impl.quad_list().size()); |
| EXPECT_EQ(10u + 10u, partially_occluded_count); |
| } |
| } |
| |
| } // namespace |
| } // namespace cc |