cc/quads/render_pass_unittest.cc

   1 // Copyright 2012 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/quads/render_pass.h"
   6
   7 #include "cc/base/math_util.h"
   8 #include "cc/base/scoped_ptr_vector.h"
   9 #include "cc/output/copy_output_request.h"
  10 #include "cc/quads/render_pass_draw_quad.h"
  11 #include "cc/quads/solid_color_draw_quad.h"
  12 #include "cc/test/geometry_test_utils.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "third_party/skia/include/effects/SkBlurImageFilter.h"
  15 #include "ui/gfx/transform.h"
  16
  17 namespace cc {
  18 namespace {
  19
  20 struct RenderPassSize {
  21   // If you add a new field to this class, make sure to add it to the
  22   // Copy() tests.
  23   RenderPassId id;
  24   QuadList quad_list;
  25   SharedQuadStateList shared_quad_state_list;
  26   gfx::Transform transform_to_root_target;
  27   gfx::Rect output_rect;
  28   gfx::Rect damage_rect;
  29   bool has_transparent_background;
  30   std::vector<SurfaceId> referenced_surfaces;
  31   ScopedPtrVector<CopyOutputRequest> copy_callbacks;
  32 };
  33
  34 static void CompareRenderPassLists(const RenderPassList& expected_list,
  35                                    const RenderPassList& actual_list) {
  36   EXPECT_EQ(expected_list.size(), actual_list.size());
  37   for (size_t i = 0; i < actual_list.size(); ++i) {
  38     RenderPass* expected = expected_list[i];
  39     RenderPass* actual = actual_list[i];
  40
  41     EXPECT_EQ(expected->id, actual->id);
  42     EXPECT_EQ(expected->output_rect, actual->output_rect);
  43     EXPECT_EQ(expected->transform_to_root_target,
  44               actual->transform_to_root_target);
  45     EXPECT_EQ(expected->damage_rect, actual->damage_rect);
  46     EXPECT_EQ(expected->has_transparent_background,
  47               actual->has_transparent_background);
  48
  49     EXPECT_EQ(expected->shared_quad_state_list.size(),
  50               actual->shared_quad_state_list.size());
  51     EXPECT_EQ(expected->quad_list.size(), actual->quad_list.size());
  52     EXPECT_EQ(expected->referenced_surfaces, actual->referenced_surfaces);
  53
  54     for (auto exp_iter = expected->quad_list.cbegin(),
  55               act_iter = actual->quad_list.cbegin();
  56          exp_iter != expected->quad_list.cend();
  57          ++exp_iter, ++act_iter) {
  58       EXPECT_EQ(exp_iter->rect.ToString(), act_iter->rect.ToString());
  59       EXPECT_EQ(exp_iter->shared_quad_state->quad_layer_bounds.ToString(),
  60                 act_iter->shared_quad_state->quad_layer_bounds.ToString());
  61     }
  62   }
  63 }
  64
  65 TEST(RenderPassTest, CopyShouldBeIdenticalExceptIdAndQuads) {
  66   RenderPassId id(3, 2);
  67   gfx::Rect output_rect(45, 22, 120, 13);
  68   gfx::Transform transform_to_root =
  69       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
  70   gfx::Rect damage_rect(56, 123, 19, 43);
  71   bool has_transparent_background = true;
  72
  73   scoped_ptr<RenderPass> pass = RenderPass::Create();
  74   pass->SetAll(id,
  75                output_rect,
  76                damage_rect,
  77                transform_to_root,
  78                has_transparent_background);
  79   pass->copy_requests.push_back(CopyOutputRequest::CreateEmptyRequest());
  80
  81   // Stick a quad in the pass, this should not get copied.
  82   SharedQuadState* shared_state = pass->CreateAndAppendSharedQuadState();
  83   shared_state->SetAll(gfx::Transform(),
  84                        gfx::Size(),
  85                        gfx::Rect(),
  86                        gfx::Rect(),
  87                        false,
  88                        1,
  89                        SkXfermode::kSrcOver_Mode,
  90                        0);
  91
  92   SolidColorDrawQuad* color_quad =
  93       pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
  94   color_quad->SetNew(pass->shared_quad_state_list.back(), gfx::Rect(),
  95                      gfx::Rect(), SkColor(), false);
  96
  97   RenderPassId new_id(63, 4);
  98
  99   scoped_ptr<RenderPass> copy = pass->Copy(new_id);
 100   EXPECT_EQ(new_id, copy->id);
 101   EXPECT_EQ(pass->output_rect, copy->output_rect);
 102   EXPECT_EQ(pass->transform_to_root_target, copy->transform_to_root_target);
 103   EXPECT_EQ(pass->damage_rect, copy->damage_rect);
 104   EXPECT_EQ(pass->has_transparent_background, copy->has_transparent_background);
 105   EXPECT_EQ(0u, copy->quad_list.size());
 106   EXPECT_EQ(0u, copy->referenced_surfaces.size());
 107
 108   // The copy request should not be copied/duplicated.
 109   EXPECT_EQ(1u, pass->copy_requests.size());
 110   EXPECT_EQ(0u, copy->copy_requests.size());
 111
 112   EXPECT_EQ(sizeof(RenderPassSize), sizeof(RenderPass));
 113 }
 114
 115 TEST(RenderPassTest, CopyAllShouldBeIdentical) {
 116   RenderPassList pass_list;
 117
 118   RenderPassId id(3, 2);
 119   gfx::Rect output_rect(45, 22, 120, 13);
 120   gfx::Transform transform_to_root =
 121       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
 122   gfx::Rect damage_rect(56, 123, 19, 43);
 123   bool has_transparent_background = true;
 124
 125   scoped_ptr<RenderPass> pass = RenderPass::Create();
 126   pass->SetAll(id,
 127                output_rect,
 128                damage_rect,
 129                transform_to_root,
 130                has_transparent_background);
 131
 132   // Two quads using one shared state.
 133   SharedQuadState* shared_state1 = pass->CreateAndAppendSharedQuadState();
 134   shared_state1->SetAll(gfx::Transform(),
 135                         gfx::Size(1, 1),
 136                         gfx::Rect(),
 137                         gfx::Rect(),
 138                         false,
 139                         1,
 140                         SkXfermode::kSrcOver_Mode,
 141                         0);
 142
 143   SolidColorDrawQuad* color_quad1 =
 144       pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
 145   color_quad1->SetNew(pass->shared_quad_state_list.back(),
 146                       gfx::Rect(1, 1, 1, 1), gfx::Rect(1, 1, 1, 1), SkColor(),
 147                       false);
 148
 149   SolidColorDrawQuad* color_quad2 =
 150       pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
 151   color_quad2->SetNew(pass->shared_quad_state_list.back(),
 152                       gfx::Rect(2, 2, 2, 2), gfx::Rect(2, 2, 2, 2), SkColor(),
 153                       false);
 154
 155   // And two quads using another shared state.
 156   SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
 157   shared_state2->SetAll(gfx::Transform(),
 158                         gfx::Size(2, 2),
 159                         gfx::Rect(),
 160                         gfx::Rect(),
 161                         false,
 162                         1,
 163                         SkXfermode::kSrcOver_Mode,
 164                         0);
 165
 166   SolidColorDrawQuad* color_quad3 =
 167       pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
 168   color_quad3->SetNew(pass->shared_quad_state_list.back(),
 169                       gfx::Rect(3, 3, 3, 3), gfx::Rect(3, 3, 3, 3), SkColor(),
 170                       false);
 171
 172   SolidColorDrawQuad* color_quad4 =
 173       pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
 174   color_quad4->SetNew(pass->shared_quad_state_list.back(),
 175                       gfx::Rect(4, 4, 4, 4), gfx::Rect(4, 4, 4, 4), SkColor(),
 176                       false);
 177
 178   // A second render pass with a quad.
 179   RenderPassId contrib_id(4, 1);
 180   gfx::Rect contrib_output_rect(10, 15, 12, 17);
 181   gfx::Transform contrib_transform_to_root =
 182       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
 183   gfx::Rect contrib_damage_rect(11, 16, 10, 15);
 184   bool contrib_has_transparent_background = true;
 185
 186   scoped_ptr<RenderPass> contrib = RenderPass::Create();
 187   contrib->SetAll(contrib_id,
 188                   contrib_output_rect,
 189                   contrib_damage_rect,
 190                   contrib_transform_to_root,
 191                   contrib_has_transparent_background);
 192
 193   SharedQuadState* contrib_shared_state =
 194       contrib->CreateAndAppendSharedQuadState();
 195   contrib_shared_state->SetAll(gfx::Transform(),
 196                                gfx::Size(2, 2),
 197                                gfx::Rect(),
 198                                gfx::Rect(),
 199                                false,
 200                                1,
 201                                SkXfermode::kSrcOver_Mode,
 202                                0);
 203
 204   SolidColorDrawQuad* contrib_quad =
 205       contrib->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
 206   contrib_quad->SetNew(contrib->shared_quad_state_list.back(),
 207                        gfx::Rect(3, 3, 3, 3), gfx::Rect(3, 3, 3, 3), SkColor(),
 208                        false);
 209
 210   // And a RenderPassDrawQuad for the contributing pass.
 211   scoped_ptr<RenderPassDrawQuad> pass_quad =
 212       make_scoped_ptr(new RenderPassDrawQuad);
 213   pass_quad->SetNew(pass->shared_quad_state_list.back(),
 214                     contrib_output_rect,
 215                     contrib_output_rect,
 216                     contrib_id,
 217                     0,
 218                     gfx::Vector2dF(),
 219                     gfx::Size(),
 220                     FilterOperations(),
 221                     gfx::Vector2dF(),
 222                     FilterOperations());
 223
 224   pass_list.push_back(pass.Pass());
 225   pass_list.push_back(contrib.Pass());
 226
 227   // Make a copy with CopyAll().
 228   RenderPassList copy_list;
 229   RenderPass::CopyAll(pass_list, &copy_list);
 230
 231   CompareRenderPassLists(pass_list, copy_list);
 232 }
 233
 234 TEST(RenderPassTest, CopyAllWithCulledQuads) {
 235   RenderPassList pass_list;
 236
 237   RenderPassId id(3, 2);
 238   gfx::Rect output_rect(45, 22, 120, 13);
 239   gfx::Transform transform_to_root =
 240       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
 241   gfx::Rect damage_rect(56, 123, 19, 43);
 242   bool has_transparent_background = true;
 243
 244   scoped_ptr<RenderPass> pass = RenderPass::Create();
 245   pass->SetAll(id,
 246                output_rect,
 247                damage_rect,
 248                transform_to_root,
 249                has_transparent_background);
 250
 251   // A shared state with a quad.
 252   SharedQuadState* shared_state1 = pass->CreateAndAppendSharedQuadState();
 253   shared_state1->SetAll(gfx::Transform(),
 254                         gfx::Size(1, 1),
 255                         gfx::Rect(),
 256                         gfx::Rect(),
 257                         false,
 258                         1,
 259                         SkXfermode::kSrcOver_Mode,
 260                         0);
 261
 262   SolidColorDrawQuad* color_quad1 =
 263       pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
 264   color_quad1->SetNew(pass->shared_quad_state_list.back(),
 265                       gfx::Rect(1, 1, 1, 1), gfx::Rect(1, 1, 1, 1), SkColor(),
 266                       false);
 267
 268   // A shared state with no quads, they were culled.
 269   SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
 270   shared_state2->SetAll(gfx::Transform(),
 271                         gfx::Size(2, 2),
 272                         gfx::Rect(),
 273                         gfx::Rect(),
 274                         false,
 275                         1,
 276                         SkXfermode::kSrcOver_Mode,
 277                         0);
 278
 279   // A second shared state with no quads.
 280   SharedQuadState* shared_state3 = pass->CreateAndAppendSharedQuadState();
 281   shared_state3->SetAll(gfx::Transform(),
 282                         gfx::Size(2, 2),
 283                         gfx::Rect(),
 284                         gfx::Rect(),
 285                         false,
 286                         1,
 287                         SkXfermode::kSrcOver_Mode,
 288                         0);
 289
 290   // A last shared state with a quad again.
 291   SharedQuadState* shared_state4 = pass->CreateAndAppendSharedQuadState();
 292   shared_state4->SetAll(gfx::Transform(),
 293                         gfx::Size(2, 2),
 294                         gfx::Rect(),
 295                         gfx::Rect(),
 296                         false,
 297                         1,
 298                         SkXfermode::kSrcOver_Mode,
 299                         0);
 300
 301   SolidColorDrawQuad* color_quad2 =
 302       pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
 303   color_quad2->SetNew(pass->shared_quad_state_list.back(),
 304                       gfx::Rect(3, 3, 3, 3), gfx::Rect(3, 3, 3, 3), SkColor(),
 305                       false);
 306
 307   pass_list.push_back(pass.Pass());
 308
 309   // Make a copy with CopyAll().
 310   RenderPassList copy_list;
 311   RenderPass::CopyAll(pass_list, &copy_list);
 312
 313   CompareRenderPassLists(pass_list, copy_list);
 314 }
 315
 316 }  // namespace
 317 }  // namespace cc