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/geometry/size_conversions.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->CreateRenderSurface();
  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(), Occlusion(), &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   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
  90
  91   AppendQuadsData data;
  92   layer->AppendQuads(render_pass.get(), Occlusion(), &data);
  93
  94   // Verify quad rects
  95   const QuadList& quads = render_pass->quad_list;
  96   EXPECT_GE(quads.size(), (size_t)0);
  97   gfx::Rect opaque_rect = quads.front()->opaque_rect;
  98   EXPECT_EQ(expected_opaque_bounds, opaque_rect);
  99 }
 100
 101 TEST(UIResourceLayerImplTest, VerifySetOpaqueOnSkBitmap) {
 102   FakeImplProxy proxy;
 103   TestSharedBitmapManager shared_bitmap_manager;
 104   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
 105
 106   gfx::Size bitmap_size(100, 100);
 107   gfx::Size layer_size(100, 100);;
 108   bool opaque = false;
 109   UIResourceId uid = 1;
 110   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(&host_impl,
 111                                                                   bitmap_size,
 112                                                                   layer_size,
 113                                                                   opaque,
 114                                                                   uid);
 115   gfx::Rect expected_opaque_bounds;
 116   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 117
 118   opaque = true;
 119   layer = GenerateUIResourceLayer(&host_impl,
 120                                   bitmap_size,
 121                                   layer_size,
 122                                   opaque,
 123                                   uid);
 124   expected_opaque_bounds = gfx::Rect(gfx::ToCeiledSize(layer->bounds()));
 125   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 126 }
 127
 128 TEST(UIResourceLayerImplTest, VerifySetOpaqueOnLayer) {
 129   FakeImplProxy proxy;
 130   TestSharedBitmapManager shared_bitmap_manager;
 131   FakeUIResourceLayerTreeHostImpl host_impl(&proxy, &shared_bitmap_manager);
 132
 133   gfx::Size bitmap_size(100, 100);
 134   gfx::Size layer_size(100, 100);
 135   bool skbitmap_opaque = false;
 136   UIResourceId uid = 1;
 137   scoped_ptr<UIResourceLayerImpl> layer = GenerateUIResourceLayer(
 138       &host_impl, bitmap_size, layer_size, skbitmap_opaque, uid);
 139   layer->SetContentsOpaque(false);
 140   gfx::Rect expected_opaque_bounds;
 141   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 142
 143   layer = GenerateUIResourceLayer(
 144       &host_impl, bitmap_size, layer_size, skbitmap_opaque, uid);
 145   layer->SetContentsOpaque(true);
 146   expected_opaque_bounds = gfx::Rect(gfx::ToCeiledSize(layer->bounds()));
 147   OpaqueBoundsTest(layer.Pass(), expected_opaque_bounds);
 148 }
 149
 150 TEST(UIResourceLayerImplTest, Occlusion) {
 151   gfx::Size layer_size(1000, 1000);
 152   gfx::Size viewport_size(1000, 1000);
 153
 154   LayerTestCommon::LayerImplTest impl;
 155
 156   SkBitmap sk_bitmap;
 157   sk_bitmap.allocN32Pixels(10, 10);
 158   sk_bitmap.setImmutable();
 159   UIResourceId uid = 5;
 160   UIResourceBitmap bitmap(sk_bitmap);
 161   impl.host_impl()->CreateUIResource(uid, bitmap);
 162
 163   UIResourceLayerImpl* ui_resource_layer_impl =
 164       impl.AddChildToRoot<UIResourceLayerImpl>();
 165   ui_resource_layer_impl->SetBounds(layer_size);
 166   ui_resource_layer_impl->SetContentBounds(layer_size);
 167   ui_resource_layer_impl->SetDrawsContent(true);
 168   ui_resource_layer_impl->SetUIResourceId(uid);
 169
 170   impl.CalcDrawProps(viewport_size);
 171
 172   {
 173     SCOPED_TRACE("No occlusion");
 174     gfx::Rect occluded;
 175     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 176
 177     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
 178                                                  gfx::Rect(layer_size));
 179     EXPECT_EQ(1u, impl.quad_list().size());
 180   }
 181
 182   {
 183     SCOPED_TRACE("Full occlusion");
 184     gfx::Rect occluded(ui_resource_layer_impl->visible_content_rect());
 185     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 186
 187     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
 188     EXPECT_EQ(impl.quad_list().size(), 0u);
 189   }
 190
 191   {
 192     SCOPED_TRACE("Partial occlusion");
 193     gfx::Rect occluded(200, 0, 800, 1000);
 194     impl.AppendQuadsWithOcclusion(ui_resource_layer_impl, occluded);
 195
 196     size_t partially_occluded_count = 0;
 197     LayerTestCommon::VerifyQuadsAreOccluded(
 198         impl.quad_list(), occluded, &partially_occluded_count);
 199     // The layer outputs one quad, which is partially occluded.
 200     EXPECT_EQ(1u, impl.quad_list().size());
 201     EXPECT_EQ(1u, partially_occluded_count);
 202   }
 203 }
 204
 205 }  // namespace
 206 }  // namespace cc