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   RenderPass::Id 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 (size_t i = 0; i < expected->quad_list.size(); ++i) {
  56       EXPECT_EQ(expected->quad_list[i]->rect.ToString(),
  57                 actual->quad_list[i]->rect.ToString());
  58       EXPECT_EQ(
  59           expected->quad_list[i]->shared_quad_state->content_bounds.ToString(),
  60           actual->quad_list[i]->shared_quad_state->content_bounds.ToString());
  61     }
  62   }
  63 }
  64
  65 TEST(RenderPassTest, CopyShouldBeIdenticalExceptIdAndQuads) {
  66   RenderPass::Id 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<TestRenderPass> pass = TestRenderPass::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   CheckerboardDrawQuad* checkerboard_quad =
  93       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
  94   checkerboard_quad->SetNew(
  95       pass->shared_quad_state_list.back(), gfx::Rect(), gfx::Rect(), SkColor());
  96
  97   RenderPass::Id new_id(63, 4);
  98
  99   scoped_ptr<RenderPass> copy = pass->Copy(new_id);
 100   EXPECT_EQ(new_id, copy->id);
 101   EXPECT_RECT_EQ(pass->output_rect, copy->output_rect);
 102   EXPECT_EQ(pass->transform_to_root_target, copy->transform_to_root_target);
 103   EXPECT_RECT_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
 107   // The copy request should not be copied/duplicated.
 108   EXPECT_EQ(1u, pass->copy_requests.size());
 109   EXPECT_EQ(0u, copy->copy_requests.size());
 110
 111   EXPECT_EQ(sizeof(RenderPassSize), sizeof(RenderPass));
 112 }
 113
 114 TEST(RenderPassTest, CopyAllShouldBeIdentical) {
 115   RenderPassList pass_list;
 116
 117   RenderPass::Id id(3, 2);
 118   gfx::Rect output_rect(45, 22, 120, 13);
 119   gfx::Transform transform_to_root =
 120       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
 121   gfx::Rect damage_rect(56, 123, 19, 43);
 122   bool has_transparent_background = true;
 123
 124   scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
 125   pass->SetAll(id,
 126                output_rect,
 127                damage_rect,
 128                transform_to_root,
 129                has_transparent_background);
 130
 131   // Two quads using one shared state.
 132   SharedQuadState* shared_state1 = pass->CreateAndAppendSharedQuadState();
 133   shared_state1->SetAll(gfx::Transform(),
 134                         gfx::Size(1, 1),
 135                         gfx::Rect(),
 136                         gfx::Rect(),
 137                         false,
 138                         1,
 139                         SkXfermode::kSrcOver_Mode,
 140                         0);
 141
 142   CheckerboardDrawQuad* checkerboard_quad1 =
 143       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 144   checkerboard_quad1->SetNew(pass->shared_quad_state_list.back(),
 145                              gfx::Rect(1, 1, 1, 1),
 146                              gfx::Rect(1, 1, 1, 1),
 147                              SkColor());
 148
 149   CheckerboardDrawQuad* checkerboard_quad2 =
 150       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 151   checkerboard_quad2->SetNew(pass->shared_quad_state_list.back(),
 152                              gfx::Rect(2, 2, 2, 2),
 153                              gfx::Rect(2, 2, 2, 2),
 154                              SkColor());
 155
 156   // And two quads using another shared state.
 157   SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
 158   shared_state2->SetAll(gfx::Transform(),
 159                         gfx::Size(2, 2),
 160                         gfx::Rect(),
 161                         gfx::Rect(),
 162                         false,
 163                         1,
 164                         SkXfermode::kSrcOver_Mode,
 165                         0);
 166
 167   CheckerboardDrawQuad* checkerboard_quad3 =
 168       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 169   checkerboard_quad3->SetNew(pass->shared_quad_state_list.back(),
 170                              gfx::Rect(3, 3, 3, 3),
 171                              gfx::Rect(3, 3, 3, 3),
 172                              SkColor());
 173
 174   CheckerboardDrawQuad* checkerboard_quad4 =
 175       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 176   checkerboard_quad4->SetNew(pass->shared_quad_state_list.back(),
 177                              gfx::Rect(4, 4, 4, 4),
 178                              gfx::Rect(4, 4, 4, 4),
 179                              SkColor());
 180
 181   // A second render pass with a quad.
 182   RenderPass::Id contrib_id(4, 1);
 183   gfx::Rect contrib_output_rect(10, 15, 12, 17);
 184   gfx::Transform contrib_transform_to_root =
 185       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
 186   gfx::Rect contrib_damage_rect(11, 16, 10, 15);
 187   bool contrib_has_transparent_background = true;
 188
 189   scoped_ptr<TestRenderPass> contrib = TestRenderPass::Create();
 190   contrib->SetAll(contrib_id,
 191                   contrib_output_rect,
 192                   contrib_damage_rect,
 193                   contrib_transform_to_root,
 194                   contrib_has_transparent_background);
 195
 196   SharedQuadState* contrib_shared_state =
 197       contrib->CreateAndAppendSharedQuadState();
 198   contrib_shared_state->SetAll(gfx::Transform(),
 199                                gfx::Size(2, 2),
 200                                gfx::Rect(),
 201                                gfx::Rect(),
 202                                false,
 203                                1,
 204                                SkXfermode::kSrcOver_Mode,
 205                                0);
 206
 207   CheckerboardDrawQuad* contrib_quad =
 208       contrib->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 209   contrib_quad->SetNew(contrib->shared_quad_state_list.back(),
 210                        gfx::Rect(3, 3, 3, 3),
 211                        gfx::Rect(3, 3, 3, 3),
 212                        SkColor());
 213
 214   // And a RenderPassDrawQuad for the contributing pass.
 215   scoped_ptr<RenderPassDrawQuad> pass_quad =
 216       make_scoped_ptr(new RenderPassDrawQuad);
 217   pass_quad->SetNew(pass->shared_quad_state_list.back(),
 218                     contrib_output_rect,
 219                     contrib_output_rect,
 220                     contrib_id,
 221                     0,      // mask_resource_id
 222                     gfx::RectF(),  // mask_uv_rect
 223                     FilterOperations(),
 224                     gfx::Vector2dF(),  // filters_scale
 225                     FilterOperations());
 226
 227   pass_list.push_back(pass.PassAs<RenderPass>());
 228   pass_list.push_back(contrib.PassAs<RenderPass>());
 229
 230   // Make a copy with CopyAll().
 231   RenderPassList copy_list;
 232   RenderPass::CopyAll(pass_list, &copy_list);
 233
 234   CompareRenderPassLists(pass_list, copy_list);
 235 }
 236
 237 TEST(RenderPassTest, CopyAllWithCulledQuads) {
 238   RenderPassList pass_list;
 239
 240   RenderPass::Id id(3, 2);
 241   gfx::Rect output_rect(45, 22, 120, 13);
 242   gfx::Transform transform_to_root =
 243       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
 244   gfx::Rect damage_rect(56, 123, 19, 43);
 245   bool has_transparent_background = true;
 246
 247   scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
 248   pass->SetAll(id,
 249                output_rect,
 250                damage_rect,
 251                transform_to_root,
 252                has_transparent_background);
 253
 254   // A shared state with a quad.
 255   SharedQuadState* shared_state1 = pass->CreateAndAppendSharedQuadState();
 256   shared_state1->SetAll(gfx::Transform(),
 257                         gfx::Size(1, 1),
 258                         gfx::Rect(),
 259                         gfx::Rect(),
 260                         false,
 261                         1,
 262                         SkXfermode::kSrcOver_Mode,
 263                         0);
 264
 265   CheckerboardDrawQuad* checkerboard_quad1 =
 266       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 267   checkerboard_quad1->SetNew(pass->shared_quad_state_list.back(),
 268                              gfx::Rect(1, 1, 1, 1),
 269                              gfx::Rect(1, 1, 1, 1),
 270                              SkColor());
 271
 272   // A shared state with no quads, they were culled.
 273   SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
 274   shared_state2->SetAll(gfx::Transform(),
 275                         gfx::Size(2, 2),
 276                         gfx::Rect(),
 277                         gfx::Rect(),
 278                         false,
 279                         1,
 280                         SkXfermode::kSrcOver_Mode,
 281                         0);
 282
 283   // A second shared state with no quads.
 284   SharedQuadState* shared_state3 = pass->CreateAndAppendSharedQuadState();
 285   shared_state3->SetAll(gfx::Transform(),
 286                         gfx::Size(2, 2),
 287                         gfx::Rect(),
 288                         gfx::Rect(),
 289                         false,
 290                         1,
 291                         SkXfermode::kSrcOver_Mode,
 292                         0);
 293
 294   // A last shared state with a quad again.
 295   SharedQuadState* shared_state4 = pass->CreateAndAppendSharedQuadState();
 296   shared_state4->SetAll(gfx::Transform(),
 297                         gfx::Size(2, 2),
 298                         gfx::Rect(),
 299                         gfx::Rect(),
 300                         false,
 301                         1,
 302                         SkXfermode::kSrcOver_Mode,
 303                         0);
 304
 305   CheckerboardDrawQuad* checkerboard_quad2 =
 306       pass->CreateAndAppendDrawQuad<CheckerboardDrawQuad>();
 307   checkerboard_quad2->SetNew(pass->shared_quad_state_list.back(),
 308                              gfx::Rect(3, 3, 3, 3),
 309                              gfx::Rect(3, 3, 3, 3),
 310                              SkColor());
 311
 312   pass_list.push_back(pass.PassAs<RenderPass>());
 313
 314   // Make a copy with CopyAll().
 315   RenderPassList copy_list;
 316   RenderPass::CopyAll(pass_list, &copy_list);
 317
 318   CompareRenderPassLists(pass_list, copy_list);
 319 }
 320
 321 }  // namespace
 322 }  // namespace cc