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   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
  49
  50   AppendQuadsData data;
  51   layer->AppendQuads(render_pass.get(), Occlusion(), &data);
  52
  53   // Verify quad rects
  54   const QuadList& quads = render_pass->quad_list;
  55   EXPECT_EQ(expected_quad_size, quads.size());
  56 }
  57
  58 TEST(UIResourceLayerImplTest, VerifyDrawQuads) {
  59   FakeImplProxy proxy;
  60   TestSharedBitmapManager shared_bitmap_manager;
  61   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
  62   // Make sure we're appending quads when there are valid values.
  63   gfx::Size bitmap_size(100, 100);
  64   gfx::Size layer_size(100, 100);;
  65   size_t expected_quad_size = 1;
  66   bool opaque = true;
  67   UIResourceId uid = 1;
  68   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(&host_impl,
  69                                                                   bitmap_size,
  70                                                                   layer_size,
  71                                                                   opaque,
  72                                                                   uid);
  73   QuadSizeTest(layer.Pass(), expected_quad_size);
  74
  75   // Make sure we're not appending quads when there are invalid values.
  76   expected_quad_size = 0;
  77   uid = 0;
  78   layer = GenerateUIResourceLayer(&host_impl,
  79                                   bitmap_size,
  80                                   layer_size,
  81                                   opaque,
  82                                   uid);
  83   QuadSizeTest(layer.Pass(), expected_quad_size);
  84 }
  85
  86 void OpaqueBoundsTest(scoped_ptr<UIResourceLayerImpl> layer,
  87                  const gfx::Rect& expected_opaque_bounds) {
  88   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
  89
  90   AppendQuadsData data;
  91   layer->AppendQuads(render_pass.get(), Occlusion(), &data);
  92
  93   // Verify quad rects
  94   const QuadList& quads = render_pass->quad_list;
  95   EXPECT_GE(quads.size(), (size_t)0);
  96   gfx::Rect opaque_rect = quads.front()->opaque_rect;
  97   EXPECT_EQ(expected_opaque_bounds, opaque_rect);
  98 }
  99
 100 TEST(UIResourceLayerImplTest, VerifySetOpaqueOnSkBitmap) {
 101   FakeImplProxy proxy;
 102   TestSharedBitmapManager shared_bitmap_manager;
 103   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
 104
 105   gfx::Size bitmap_size(100, 100);
 106   gfx::Size layer_size(100, 100);;
 107   bool opaque = false;
 108   UIResourceId uid = 1;
 109   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(&host_impl,
 110                                                                   bitmap_size,
 111                                                                   layer_size,
 112                                                                   opaque,
 113                                                                   uid);
 114   gfx::Rect expected_opaque_bounds;
 115   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 116
 117   opaque = true;
 118   layer = GenerateUIResourceLayer(&host_impl,
 119                                   bitmap_size,
 120                                   layer_size,
 121                                   opaque,
 122                                   uid);
 123   expected_opaque_bounds = gfx::Rect(layer->bounds());
 124   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 125 }
 126
 127 TEST(UIResourceLayerImplTest, VerifySetOpaqueOnLayer) {
 128   FakeImplProxy proxy;
 129   TestSharedBitmapManager shared_bitmap_manager;
 130   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
 131
 132   gfx::Size bitmap_size(100, 100);
 133   gfx::Size layer_size(100, 100);
 134   bool skbitmap_opaque = false;
 135   UIResourceId uid = 1;
 136   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(
 137       &host_impl, bitmap_size, layer_size, skbitmap_opaque, uid);
 138   layer->SetContentsOpaque(false);
 139   gfx::Rect expected_opaque_bounds;
 140   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 141
 142   layer = GenerateUIResourceLayer(
 143       &host_impl, bitmap_size, layer_size, skbitmap_opaque, uid);
 144   layer->SetContentsOpaque(true);
 145   expected_opaque_bounds = gfx::Rect(layer->bounds());
 146   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 147 }
 148
 149 TEST(UIResourceLayerImplTest, Occlusion) {
 150   gfx::Size layer_size(1000, 1000);
 151   gfx::Size viewport_size(1000, 1000);
 152
 153   LayerTestCommon::LayerImplTest impl;
 154
 155   SkBitmap sk_bitmap;
 156   sk_bitmap.allocN32Pixels(10, 10);
 157   sk_bitmap.setImmutable();
 158   UIResourceId uid = 5;
 159   UIResourceBitmap bitmap(sk_bitmap);
 160   impl.host_impl()->CreateUIResource(uid, bitmap);
 161
 162   UIResourceLayerImpl* ui_resource_layer_impl =
 163       impl.AddChildToRoot<UIResourceLayerImpl>();
 164   ui_resource_layer_impl->SetBounds(layer_size);
 165   ui_resource_layer_impl->SetContentBounds(layer_size);
 166   ui_resource_layer_impl->SetDrawsContent(true);
 167   ui_resource_layer_impl->SetUIResourceId(uid);
 168
 169   impl.CalcDrawProps(viewport_size);
 170
 171   {
 172     SCOPED_TRACE("No occlusion");
 173     gfx::Rect occluded;
 174     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 175
 176     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
 177                                                  gfx::Rect(layer_size));
 178     EXPECT_EQ(1u, impl.quad_list().size());
 179   }
 180
 181   {
 182     SCOPED_TRACE("Full occlusion");
 183     gfx::Rect occluded(ui_resource_layer_impl->visible_content_rect());
 184     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 185
 186     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
 187     EXPECT_EQ(impl.quad_list().size(), 0u);
 188   }
 189
 190   {
 191     SCOPED_TRACE("Partial occlusion");
 192     gfx::Rect occluded(200, 0, 800, 1000);
 193     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 194
 195     size_t partially_occluded_count = 0;
 196     LayerTestCommon::VerifyQuadsAreOccluded(
 197         impl.quad_list(), occluded, &partially_occluded_count);
 198     // The layer outputs one quad, which is partially occluded.
 199     EXPECT_EQ(1u, impl.quad_list().size());
 200     EXPECT_EQ(1u, partially_occluded_count);
 201   }
 202 }
 203
 204 }  // namespace
 205 }  // namespace cc