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