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/trees/single_thread_proxy.h"
  17 #include "testing/gmock/include/gmock/gmock.h"
  18 #include "testing/gtest/include/gtest/gtest.h"
  19 #include "ui/gfx/transform.h"
  20
  21 namespace cc {
  22 namespace {
  23
  24 scoped_ptr<UIResourceLayerImpl> GenerateUIResourceLayer(
  25     FakeUIResourceLayerTreeHostImpl* host_impl,
  26     const gfx::Size& bitmap_size,
  27     const gfx::Size& layer_size,
  28     bool opaque,
  29     UIResourceId uid) {
  30   gfx::Rect visible_content_rect(layer_size);
  31   scoped_ptr<UIResourceLayerImpl> layer =
  32       UIResourceLayerImpl::Create(host_impl->active_tree(), 1);
  33   layer->draw_properties().visible_content_rect = visible_content_rect;
  34   layer->SetBounds(layer_size);
  35   layer->SetContentBounds(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   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
  63   host_impl.InitializeRenderer(FakeOutputSurface::Create3d());
  64
  65   // Make sure we're appending quads when there are valid values.
  66   gfx::Size bitmap_size(100, 100);
  67   gfx::Size layer_size(100, 100);;
  68   size_t expected_quad_size = 1;
  69   bool opaque = true;
  70   UIResourceId uid = 1;
  71   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(&host_impl,
  72                                                                   bitmap_size,
  73                                                                   layer_size,
  74                                                                   opaque,
  75                                                                   uid);
  76   QuadSizeTest(layer.Pass(), expected_quad_size);
  77
  78   // Make sure we're not appending quads when there are invalid values.
  79   expected_quad_size = 0;
  80   uid = 0;
  81   layer = GenerateUIResourceLayer(&host_impl,
  82                                   bitmap_size,
  83                                   layer_size,
  84                                   opaque,
  85                                   uid);
  86   QuadSizeTest(layer.Pass(), expected_quad_size);
  87 }
  88
  89 void OpaqueBoundsTest(scoped_ptr<UIResourceLayerImpl> layer,
  90                  const gfx::Rect& expected_opaque_bounds) {
  91   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
  92
  93   AppendQuadsData data;
  94   layer->AppendQuads(render_pass.get(), &data);
  95
  96   // Verify quad rects
  97   const QuadList& quads = render_pass->quad_list;
  98   EXPECT_GE(quads.size(), (size_t)0);
  99   gfx::Rect opaque_rect = quads.front()->opaque_rect;
 100   EXPECT_EQ(expected_opaque_bounds, opaque_rect);
 101 }
 102
 103 TEST(UIResourceLayerImplTest, VerifySetOpaqueOnSkBitmap) {
 104   FakeImplProxy proxy;
 105   TestSharedBitmapManager shared_bitmap_manager;
 106   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
 107   host_impl.InitializeRenderer(FakeOutputSurface::Create3d());
 108
 109   gfx::Size bitmap_size(100, 100);
 110   gfx::Size layer_size(100, 100);;
 111   bool opaque = false;
 112   UIResourceId uid = 1;
 113   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(&host_impl,
 114                                                                   bitmap_size,
 115                                                                   layer_size,
 116                                                                   opaque,
 117                                                                   uid);
 118   gfx::Rect expected_opaque_bounds;
 119   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 120
 121   opaque = true;
 122   layer = GenerateUIResourceLayer(&host_impl,
 123                                   bitmap_size,
 124                                   layer_size,
 125                                   opaque,
 126                                   uid);
 127   expected_opaque_bounds = gfx::Rect(layer->bounds());
 128   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 129 }
 130
 131 TEST(UIResourceLayerImplTest, VerifySetOpaqueOnLayer) {
 132   FakeImplProxy proxy;
 133   TestSharedBitmapManager shared_bitmap_manager;
 134   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
 135   host_impl.InitializeRenderer(FakeOutputSurface::Create3d());
 136
 137   gfx::Size bitmap_size(100, 100);
 138   gfx::Size layer_size(100, 100);
 139   bool skbitmap_opaque = false;
 140   UIResourceId uid = 1;
 141   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(
 142       &host_impl, bitmap_size, layer_size, skbitmap_opaque, uid);
 143   layer->SetContentsOpaque(false);
 144   gfx::Rect expected_opaque_bounds;
 145   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 146
 147   layer = GenerateUIResourceLayer(
 148       &host_impl, bitmap_size, layer_size, skbitmap_opaque, uid);
 149   layer->SetContentsOpaque(true);
 150   expected_opaque_bounds = gfx::Rect(layer->bounds());
 151   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 152 }
 153
 154 TEST(UIResourceLayerImplTest, Occlusion) {
 155   gfx::Size layer_size(1000, 1000);
 156   gfx::Size viewport_size(1000, 1000);
 157
 158   LayerTestCommon::LayerImplTest impl;
 159
 160   SkBitmap sk_bitmap;
 161   sk_bitmap.allocN32Pixels(10, 10);
 162   sk_bitmap.setImmutable();
 163   UIResourceId uid = 5;
 164   UIResourceBitmap bitmap(sk_bitmap);
 165   impl.host_impl()->CreateUIResource(uid, bitmap);
 166
 167   UIResourceLayerImpl* ui_resource_layer_impl =
 168       impl.AddChildToRoot<UIResourceLayerImpl>();
 169   ui_resource_layer_impl->SetBounds(layer_size);
 170   ui_resource_layer_impl->SetContentBounds(layer_size);
 171   ui_resource_layer_impl->SetDrawsContent(true);
 172   ui_resource_layer_impl->SetUIResourceId(uid);
 173
 174   impl.CalcDrawProps(viewport_size);
 175
 176   {
 177     SCOPED_TRACE("No occlusion");
 178     gfx::Rect occluded;
 179     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 180
 181     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
 182                                                  gfx::Rect(layer_size));
 183     EXPECT_EQ(1u, impl.quad_list().size());
 184   }
 185
 186   {
 187     SCOPED_TRACE("Full occlusion");
 188     gfx::Rect occluded(ui_resource_layer_impl->visible_content_rect());
 189     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 190
 191     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
 192     EXPECT_EQ(impl.quad_list().size(), 0u);
 193   }
 194
 195   {
 196     SCOPED_TRACE("Partial occlusion");
 197     gfx::Rect occluded(200, 0, 800, 1000);
 198     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 199
 200     size_t partially_occluded_count = 0;
 201     LayerTestCommon::VerifyQuadsAreOccluded(
 202         impl.quad_list(), occluded, &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