cc/layers/ui_resource_layer_impl_unittest.cc

   1 // Copyright 2013 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
   5 #include "cc/layers/append_quads_data.h"
   6 #include "cc/layers/ui_resource_layer_impl.h"
   7 #include "cc/quads/draw_quad.h"
   8 #include "cc/resources/ui_resource_bitmap.h"
   9 #include "cc/resources/ui_resource_client.h"
  10 #include "cc/test/fake_impl_proxy.h"
  11 #include "cc/test/fake_layer_tree_host_impl.h"
  12 #include "cc/test/fake_output_surface.h"
  13 #include "cc/test/fake_ui_resource_layer_tree_host_impl.h"
  14 #include "cc/test/layer_test_common.h"
  15 #include "cc/test/test_shared_bitmap_manager.h"
  16 #include "cc/test/test_task_graph_runner.h"
  17 #include "cc/trees/single_thread_proxy.h"
  18 #include "testing/gmock/include/gmock/gmock.h"
  19 #include "testing/gtest/include/gtest/gtest.h"
  20 #include "ui/gfx/transform.h"
  21
  22 namespace cc {
  23 namespace {
  24
  25 scoped_ptr<UIResourceLayerImpl> GenerateUIResourceLayer(
  26     FakeUIResourceLayerTreeHostImpl* host_impl,
  27     const gfx::Size& bitmap_size,
  28     const gfx::Size& layer_size,
  29     bool opaque,
  30     UIResourceId uid) {
  31   gfx::Rect visible_layer_rect(layer_size);
  32   scoped_ptr<UIResourceLayerImpl> layer =
  33       UIResourceLayerImpl::Create(host_impl->active_tree(), 1);
  34   layer->draw_properties().visible_layer_rect = visible_layer_rect;
  35   layer->SetBounds(layer_size);
  36   layer->SetHasRenderSurface(true);
  37   layer->draw_properties().render_target = layer.get();
  38
  39   UIResourceBitmap bitmap(bitmap_size, opaque);
  40
  41   host_impl->CreateUIResource(uid, bitmap);
  42   layer->SetUIResourceId(uid);
  43
  44   return layer.Pass();
  45 }
  46
  47 void QuadSizeTest(scoped_ptr<UIResourceLayerImpl> layer,
  48                   size_t expected_quad_size) {
  49   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
  50
  51   AppendQuadsData data;
  52   layer->AppendQuads(render_pass.get(), &data);
  53
  54   // Verify quad rects
  55   const QuadList& quads = render_pass->quad_list;
  56   EXPECT_EQ(expected_quad_size, quads.size());
  57 }
  58
  59 TEST(UIResourceLayerImplTest, VerifyDrawQuads) {
  60   FakeImplProxy proxy;
  61   TestSharedBitmapManager shared_bitmap_manager;
  62   TestTaskGraphRunner task_graph_runner;
  63   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
  64                                             &task_graph_runner);
  65   host_impl.InitializeRenderer(FakeOutputSurface::Create3d());
  66
  67   // Make sure we're appending quads when there are valid values.
  68   gfx::Size bitmap_size(100, 100);
  69   gfx::Size layer_size(100, 100);;
  70   size_t expected_quad_size = 1;
  71   bool opaque = true;
  72   UIResourceId uid = 1;
  73   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(&host_impl,
  74                                                                   bitmap_size,
  75                                                                   layer_size,
  76                                                                   opaque,
  77                                                                   uid);
  78   QuadSizeTest(layer.Pass(), expected_quad_size);
  79
  80   // Make sure we're not appending quads when there are invalid values.
  81   expected_quad_size = 0;
  82   uid = 0;
  83   layer = GenerateUIResourceLayer(&host_impl,
  84                                   bitmap_size,
  85                                   layer_size,
  86                                   opaque,
  87                                   uid);
  88   QuadSizeTest(layer.Pass(), expected_quad_size);
  89 }
  90
  91 void OpaqueBoundsTest(scoped_ptr<UIResourceLayerImpl> layer,
  92                  const gfx::Rect& expected_opaque_bounds) {
  93   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
  94
  95   AppendQuadsData data;
  96   layer->AppendQuads(render_pass.get(), &data);
  97
  98   // Verify quad rects
  99   const QuadList& quads = render_pass->quad_list;
 100   EXPECT_GE(quads.size(), (size_t)0);
 101   gfx::Rect opaque_rect = quads.front()->opaque_rect;
 102   EXPECT_EQ(expected_opaque_bounds, opaque_rect);
 103 }
 104
 105 TEST(UIResourceLayerImplTest, VerifySetOpaqueOnSkBitmap) {
 106   FakeImplProxy proxy;
 107   TestSharedBitmapManager shared_bitmap_manager;
 108   TestTaskGraphRunner task_graph_runner;
 109   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
 110                                             &task_graph_runner);
 111   host_impl.InitializeRenderer(FakeOutputSurface::Create3d());
 112
 113   gfx::Size bitmap_size(100, 100);
 114   gfx::Size layer_size(100, 100);;
 115   bool opaque = false;
 116   UIResourceId uid = 1;
 117   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(&host_impl,
 118                                                                   bitmap_size,
 119                                                                   layer_size,
 120                                                                   opaque,
 121                                                                   uid);
 122   gfx::Rect expected_opaque_bounds;
 123   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 124
 125   opaque = true;
 126   layer = GenerateUIResourceLayer(&host_impl,
 127                                   bitmap_size,
 128                                   layer_size,
 129                                   opaque,
 130                                   uid);
 131   expected_opaque_bounds = gfx::Rect(layer->bounds());
 132   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 133 }
 134
 135 TEST(UIResourceLayerImplTest, VerifySetOpaqueOnLayer) {
 136   FakeImplProxy proxy;
 137   TestSharedBitmapManager shared_bitmap_manager;
 138   TestTaskGraphRunner task_graph_runner;
 139   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager,
 140                                             &task_graph_runner);
 141   host_impl.InitializeRenderer(FakeOutputSurface::Create3d());
 142
 143   gfx::Size bitmap_size(100, 100);
 144   gfx::Size layer_size(100, 100);
 145   bool skbitmap_opaque = false;
 146   UIResourceId uid = 1;
 147   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(
 148       &host_impl, bitmap_size, layer_size, skbitmap_opaque, uid);
 149   layer->SetContentsOpaque(false);
 150   gfx::Rect expected_opaque_bounds;
 151   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 152
 153   layer = GenerateUIResourceLayer(
 154       &host_impl, bitmap_size, layer_size, skbitmap_opaque, uid);
 155   layer->SetContentsOpaque(true);
 156   expected_opaque_bounds = gfx::Rect(layer->bounds());
 157   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 158 }
 159
 160 TEST(UIResourceLayerImplTest, Occlusion) {
 161   gfx::Size layer_size(1000, 1000);
 162   gfx::Size viewport_size(1000, 1000);
 163
 164   LayerTestCommon::LayerImplTest impl;
 165
 166   SkBitmap sk_bitmap;
 167   sk_bitmap.allocN32Pixels(10, 10);
 168   sk_bitmap.setImmutable();
 169   UIResourceId uid = 5;
 170   UIResourceBitmap bitmap(sk_bitmap);
 171   impl.host_impl()->CreateUIResource(uid, bitmap);
 172
 173   UIResourceLayerImpl* ui_resource_layer_impl =
 174       impl.AddChildToRoot<UIResourceLayerImpl>();
 175   ui_resource_layer_impl->SetBounds(layer_size);
 176   ui_resource_layer_impl->SetDrawsContent(true);
 177   ui_resource_layer_impl->SetUIResourceId(uid);
 178
 179   impl.CalcDrawProps(viewport_size);
 180
 181   {
 182     SCOPED_TRACE("No occlusion");
 183     gfx::Rect occluded;
 184     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 185
 186     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
 187                                                  gfx::Rect(layer_size));
 188     EXPECT_EQ(1u, impl.quad_list().size());
 189   }
 190
 191   {
 192     SCOPED_TRACE("Full occlusion");
 193     gfx::Rect occluded(ui_resource_layer_impl->visible_layer_rect());
 194     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 195
 196     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
 197     EXPECT_EQ(impl.quad_list().size(), 0u);
 198   }
 199
 200   {
 201     SCOPED_TRACE("Partial occlusion");
 202     gfx::Rect occluded(200, 0, 800, 1000);
 203     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 204
 205     size_t partially_occluded_count = 0;
 206     LayerTestCommon::VerifyQuadsAreOccluded(
 207         impl.quad_list(), occluded, &partially_occluded_count);
 208     // The layer outputs one quad, which is partially occluded.
 209     EXPECT_EQ(1u, impl.quad_list().size());
 210     EXPECT_EQ(1u, partially_occluded_count);
 211   }
 212 }
 213
 214 }  // namespace
 215 }  // namespace cc