src/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/checkerboard_draw_quad.h"
  11 #include "cc/quads/render_pass_draw_quad.h"
  12 #include "cc/test/geometry_test_utils.h"
  13 #include "cc/test/render_pass_test_common.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "third_party/skia/include/effects/SkBlurImageFilter.h"
  16 #include "ui/gfx/transform.h"
  17
  18 using cc::TestRenderPass;
  19
  20 namespace cc {
  21 namespace {
  22
  23 struct RenderPassSize {
  24   // If you add a new field to this class, make sure to add it to the
  25   // Copy() tests.
  26   RenderPassId id;
  27   QuadList quad_list;
  28   SharedQuadStateList shared_quad_state_list;
  29   gfx::Transform transform_to_root_target;
  30   gfx::Rect output_rect;
  31   gfx::Rect damage_rect;
  32   bool has_transparent_background;
  33   ScopedPtrVector<CopyOutputRequest> copy_callbacks;
  34 };
  35
  36 static void CompareRenderPassLists(const RenderPassList& expected_list,
  37                                    const RenderPassList& actual_list) {
  38   EXPECT_EQ(expected_list.size(), actual_list.size());
  39   for (size_t i = 0; i < actual_list.size(); ++i) {
  40     RenderPass* expected = expected_list[i];
  41     RenderPass* actual = actual_list[i];
  42
  43     EXPECT_EQ(expected->id, actual->id);
  44     EXPECT_RECT_EQ(expected->output_rect, actual->output_rect);
  45     EXPECT_EQ(expected->transform_to_root_target,
  46               actual->transform_to_root_target);
  47     EXPECT_RECT_EQ(expected->damage_rect, actual->damage_rect);
  48     EXPECT_EQ(expected->has_transparent_background,
  49               actual->has_transparent_background);
  50
  51     EXPECT_EQ(expected->shared_quad_state_list.size(),
  52               actual->shared_quad_state_list.size());
  53     EXPECT_EQ(expected->quad_list.size(), actual->quad_list.size());
  54
  55     for (auto exp_iter = expected->quad_list.cbegin(),
  56               act_iter = actual->quad_list.cbegin();
  57          exp_iter != expected->quad_list.cend();
  58          ++exp_iter, ++act_iter) {
  59       EXPECT_EQ(exp_iter->rect.ToString(), act_iter->rect.ToString());
  60       EXPECT_EQ(exp_iter->shared_quad_state->content_bounds.ToString(),
  61                 act_iter->shared_quad_state->content_bounds.ToString());
  62     }
  63   }
  64 }
  65
  66 TEST(RenderPassTest, CopyShouldBeIdenticalExceptIdAndQuads) {
  67   RenderPassId id(3, 2);
  68   gfx::Rect output_rect(45, 22, 120, 13);
  69   gfx::Transform transform_to_root =
  70       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
  71   gfx::Rect damage_rect(56, 123, 19, 43);
  72   bool has_transparent_background = true;
  73
  74   scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
  75   pass->SetAll(id,
  76                output_rect,
  77                damage_rect,
  78                transform_to_root,
  79                has_transparent_background);
  80   pass->copy_requests.push_back(CopyOutputRequest::CreateEmptyRequest());
  81
  82   // Stick a quad in the pass, this should not get copied.
  83   SharedQuadState* shared_state = pass->CreateAndAppendSharedQuadState();
  84   shared_state->SetAll(gfx::Transform(),
  85                        gfx::Size(),
  86                        gfx::Rect(),
  87                        gfx::Rect(),
  88                        false,
  89                        1,
  90                        SkXfermode::kSrcOver_Mode,
  91                        0);
  92
  93   CheckerboardDrawQuad* checkerboard_quad =
  94       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
  95   checkerboard_quad->SetNew(
  96       pass->shared_quad_state_list.back(), gfx::Rect(), gfx::Rect(), SkColor());
  97
  98   RenderPassId new_id(63, 4);
  99
 100   scoped_ptr<RenderPass> copy = pass->Copy(new_id);
 101   EXPECT_EQ(new_id, copy->id);
 102   EXPECT_RECT_EQ(pass->output_rect, copy->output_rect);
 103   EXPECT_EQ(pass->transform_to_root_target, copy->transform_to_root_target);
 104   EXPECT_RECT_EQ(pass->damage_rect, copy->damage_rect);
 105   EXPECT_EQ(pass->has_transparent_background, copy->has_transparent_background);
 106   EXPECT_EQ(0u, copy->quad_list.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<TestRenderPass> pass = TestRenderPass::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   CheckerboardDrawQuad* checkerboard_quad1 =
 144       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 145   checkerboard_quad1->SetNew(pass->shared_quad_state_list.back(),
 146                              gfx::Rect(1, 1, 1, 1),
 147                              gfx::Rect(1, 1, 1, 1),
 148                              SkColor());
 149
 150   CheckerboardDrawQuad* checkerboard_quad2 =
 151       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 152   checkerboard_quad2->SetNew(pass->shared_quad_state_list.back(),
 153                              gfx::Rect(2, 2, 2, 2),
 154                              gfx::Rect(2, 2, 2, 2),
 155                              SkColor());
 156
 157   // And two quads using another shared state.
 158   SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
 159   shared_state2->SetAll(gfx::Transform(),
 160                         gfx::Size(2, 2),
 161                         gfx::Rect(),
 162                         gfx::Rect(),
 163                         false,
 164                         1,
 165                         SkXfermode::kSrcOver_Mode,
 166                         0);
 167
 168   CheckerboardDrawQuad* checkerboard_quad3 =
 169       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 170   checkerboard_quad3->SetNew(pass->shared_quad_state_list.back(),
 171                              gfx::Rect(3, 3, 3, 3),
 172                              gfx::Rect(3, 3, 3, 3),
 173                              SkColor());
 174
 175   CheckerboardDrawQuad* checkerboard_quad4 =
 176       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 177   checkerboard_quad4->SetNew(pass->shared_quad_state_list.back(),
 178                              gfx::Rect(4, 4, 4, 4),
 179                              gfx::Rect(4, 4, 4, 4),
 180                              SkColor());
 181
 182   // A second render pass with a quad.
 183   RenderPassId contrib_id(4, 1);
 184   gfx::Rect contrib_output_rect(10, 15, 12, 17);
 185   gfx::Transform contrib_transform_to_root =
 186       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
 187   gfx::Rect contrib_damage_rect(11, 16, 10, 15);
 188   bool contrib_has_transparent_background = true;
 189
 190   scoped_ptr<TestRenderPass> contrib = TestRenderPass::Create();
 191   contrib->SetAll(contrib_id,
 192                   contrib_output_rect,
 193                   contrib_damage_rect,
 194                   contrib_transform_to_root,
 195                   contrib_has_transparent_background);
 196
 197   SharedQuadState* contrib_shared_state =
 198       contrib->CreateAndAppendSharedQuadState();
 199   contrib_shared_state->SetAll(gfx::Transform(),
 200                                gfx::Size(2, 2),
 201                                gfx::Rect(),
 202                                gfx::Rect(),
 203                                false,
 204                                1,
 205                                SkXfermode::kSrcOver_Mode,
 206                                0);
 207
 208   CheckerboardDrawQuad* contrib_quad =
 209       contrib->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 210   contrib_quad->SetNew(contrib->shared_quad_state_list.back(),
 211                        gfx::Rect(3, 3, 3, 3),
 212                        gfx::Rect(3, 3, 3, 3),
 213                        SkColor());
 214
 215   // And a RenderPassDrawQuad for the contributing pass.
 216   scoped_ptr<RenderPassDrawQuad> pass_quad =
 217       make_scoped_ptr(new RenderPassDrawQuad);
 218   pass_quad->SetNew(pass->shared_quad_state_list.back(),
 219                     contrib_output_rect,
 220                     contrib_output_rect,
 221                     contrib_id,
 222                     0,
 223                     gfx::Vector2dF(),
 224                     gfx::Size(),
 225                     FilterOperations(),
 226                     gfx::Vector2dF(),
 227                     FilterOperations());
 228
 229   pass_list.push_back(pass.Pass());
 230   pass_list.push_back(contrib.Pass());
 231
 232   // Make a copy with CopyAll().
 233   RenderPassList copy_list;
 234   RenderPass::CopyAll(pass_list, &copy_list);
 235
 236   CompareRenderPassLists(pass_list, copy_list);
 237 }
 238
 239 TEST(RenderPassTest, CopyAllWithCulledQuads) {
 240   RenderPassList pass_list;
 241
 242   RenderPassId id(3, 2);
 243   gfx::Rect output_rect(45, 22, 120, 13);
 244   gfx::Transform transform_to_root =
 245       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
 246   gfx::Rect damage_rect(56, 123, 19, 43);
 247   bool has_transparent_background = true;
 248
 249   scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
 250   pass->SetAll(id,
 251                output_rect,
 252                damage_rect,
 253                transform_to_root,
 254                has_transparent_background);
 255
 256   // A shared state with a quad.
 257   SharedQuadState* shared_state1 = pass->CreateAndAppendSharedQuadState();
 258   shared_state1->SetAll(gfx::Transform(),
 259                         gfx::Size(1, 1),
 260                         gfx::Rect(),
 261                         gfx::Rect(),
 262                         false,
 263                         1,
 264                         SkXfermode::kSrcOver_Mode,
 265                         0);
 266
 267   CheckerboardDrawQuad* checkerboard_quad1 =
 268       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 269   checkerboard_quad1->SetNew(pass->shared_quad_state_list.back(),
 270                              gfx::Rect(1, 1, 1, 1),
 271                              gfx::Rect(1, 1, 1, 1),
 272                              SkColor());
 273
 274   // A shared state with no quads, they were culled.
 275   SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
 276   shared_state2->SetAll(gfx::Transform(),
 277                         gfx::Size(2, 2),
 278                         gfx::Rect(),
 279                         gfx::Rect(),
 280                         false,
 281                         1,
 282                         SkXfermode::kSrcOver_Mode,
 283                         0);
 284
 285   // A second shared state with no quads.
 286   SharedQuadState* shared_state3 = pass->CreateAndAppendSharedQuadState();
 287   shared_state3->SetAll(gfx::Transform(),
 288                         gfx::Size(2, 2),
 289                         gfx::Rect(),
 290                         gfx::Rect(),
 291                         false,
 292                         1,
 293                         SkXfermode::kSrcOver_Mode,
 294                         0);
 295
 296   // A last shared state with a quad again.
 297   SharedQuadState* shared_state4 = pass->CreateAndAppendSharedQuadState();
 298   shared_state4->SetAll(gfx::Transform(),
 299                         gfx::Size(2, 2),
 300                         gfx::Rect(),
 301                         gfx::Rect(),
 302                         false,
 303                         1,
 304                         SkXfermode::kSrcOver_Mode,
 305                         0);
 306
 307   CheckerboardDrawQuad* checkerboard_quad2 =
 308       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 309   checkerboard_quad2->SetNew(pass->shared_quad_state_list.back(),
 310                              gfx::Rect(3, 3, 3, 3),
 311                              gfx::Rect(3, 3, 3, 3),
 312                              SkColor());
 313
 314   pass_list.push_back(pass.Pass());
 315
 316   // Make a copy with CopyAll().
 317   RenderPassList copy_list;
 318   RenderPass::CopyAll(pass_list, &copy_list);
 319
 320   CompareRenderPassLists(pass_list, copy_list);
 321 }
 322
 323 }  // namespace
 324 }  // namespace cc