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::RectF 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   scoped_ptr<SharedQuadState> shared_state = SharedQuadState::Create();
  83   shared_state->SetAll(gfx::Transform(),
  84                        gfx::Size(),
  85                        gfx::Rect(),
  86                        gfx::Rect(),
  87                        false,
  88                        1,
  89                        SkXfermode::kSrcOver_Mode);
  90   pass->AppendSharedQuadState(shared_state.Pass());
  91
  92   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad =
  93       CheckerboardDrawQuad::Create();
  94   checkerboard_quad->SetNew(
  95       pass->shared_quad_state_list.back(), gfx::Rect(), SkColor());
  96   pass->quad_list.push_back(checkerboard_quad.PassAs<DrawQuad>());
  97
  98   RenderPass::Id 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   RenderPass::Id 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   scoped_ptr<SharedQuadState> shared_state1 = SharedQuadState::Create();
 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   pass->AppendSharedQuadState(shared_state1.Pass());
 142
 143   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad1 =
 144       CheckerboardDrawQuad::Create();
 145   checkerboard_quad1->SetNew(
 146       pass->shared_quad_state_list.back(), gfx::Rect(1, 1, 1, 1), SkColor());
 147   pass->quad_list.push_back(checkerboard_quad1.PassAs<DrawQuad>());
 148
 149   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad2 =
 150       CheckerboardDrawQuad::Create();
 151   checkerboard_quad2->SetNew(
 152       pass->shared_quad_state_list.back(), gfx::Rect(2, 2, 2, 2), SkColor());
 153   pass->quad_list.push_back(checkerboard_quad2.PassAs<DrawQuad>());
 154
 155   // And two quads using another shared state.
 156   scoped_ptr<SharedQuadState> shared_state2 = SharedQuadState::Create();
 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   pass->AppendSharedQuadState(shared_state2.Pass());
 165
 166   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad3 =
 167       CheckerboardDrawQuad::Create();
 168   checkerboard_quad3->SetNew(
 169       pass->shared_quad_state_list.back(), gfx::Rect(3, 3, 3, 3), SkColor());
 170   pass->quad_list.push_back(checkerboard_quad3.PassAs<DrawQuad>());
 171
 172   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad4 =
 173       CheckerboardDrawQuad::Create();
 174   checkerboard_quad4->SetNew(
 175       pass->shared_quad_state_list.back(), gfx::Rect(4, 4, 4, 4), SkColor());
 176   pass->quad_list.push_back(checkerboard_quad4.PassAs<DrawQuad>());
 177
 178   // A second render pass with a quad.
 179   RenderPass::Id 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<TestRenderPass> contrib = TestRenderPass::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   scoped_ptr<SharedQuadState> contrib_shared_state = SharedQuadState::Create();
 194   contrib_shared_state->SetAll(gfx::Transform(),
 195                                gfx::Size(2, 2),
 196                                gfx::Rect(),
 197                                gfx::Rect(),
 198                                false,
 199                                1,
 200                                SkXfermode::kSrcOver_Mode);
 201   contrib->AppendSharedQuadState(contrib_shared_state.Pass());
 202
 203   scoped_ptr<CheckerboardDrawQuad> contrib_quad =
 204       CheckerboardDrawQuad::Create();
 205   contrib_quad->SetNew(
 206       contrib->shared_quad_state_list.back(), gfx::Rect(3, 3, 3, 3), SkColor());
 207   contrib->quad_list.push_back(contrib_quad.PassAs<DrawQuad>());
 208
 209   // And a RenderPassDrawQuad for the contributing pass.
 210   scoped_ptr<RenderPassDrawQuad> pass_quad = RenderPassDrawQuad::Create();
 211   pass_quad->SetNew(pass->shared_quad_state_list.back(),
 212                     contrib_output_rect,
 213                     contrib_id,
 214                     false,  // is_replica
 215                     0,      // mask_resource_id
 216                     contrib_damage_rect,
 217                     gfx::RectF(),  // mask_uv_rect
 218                     FilterOperations(),
 219                     FilterOperations());
 220   pass->quad_list.push_back(pass_quad.PassAs<DrawQuad>());
 221
 222   pass_list.push_back(pass.PassAs<RenderPass>());
 223   pass_list.push_back(contrib.PassAs<RenderPass>());
 224
 225   // Make a copy with CopyAll().
 226   RenderPassList copy_list;
 227   RenderPass::CopyAll(pass_list, &copy_list);
 228
 229   CompareRenderPassLists(pass_list, copy_list);
 230 }
 231
 232 TEST(RenderPassTest, CopyAllWithCulledQuads) {
 233   RenderPassList pass_list;
 234
 235   RenderPass::Id id(3, 2);
 236   gfx::Rect output_rect(45, 22, 120, 13);
 237   gfx::Transform transform_to_root =
 238       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
 239   gfx::Rect damage_rect(56, 123, 19, 43);
 240   bool has_transparent_background = true;
 241
 242   scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
 243   pass->SetAll(id,
 244                output_rect,
 245                damage_rect,
 246                transform_to_root,
 247                has_transparent_background);
 248
 249   // A shared state with a quad.
 250   scoped_ptr<SharedQuadState> shared_state1 = SharedQuadState::Create();
 251   shared_state1->SetAll(gfx::Transform(),
 252                         gfx::Size(1, 1),
 253                         gfx::Rect(),
 254                         gfx::Rect(),
 255                         false,
 256                         1,
 257                         SkXfermode::kSrcOver_Mode);
 258   pass->AppendSharedQuadState(shared_state1.Pass());
 259
 260   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad1 =
 261       CheckerboardDrawQuad::Create();
 262   checkerboard_quad1->SetNew(
 263       pass->shared_quad_state_list.back(), gfx::Rect(1, 1, 1, 1), SkColor());
 264   pass->quad_list.push_back(checkerboard_quad1.PassAs<DrawQuad>());
 265
 266   // A shared state with no quads, they were culled.
 267   scoped_ptr<SharedQuadState> shared_state2 = SharedQuadState::Create();
 268   shared_state2->SetAll(gfx::Transform(),
 269                         gfx::Size(2, 2),
 270                         gfx::Rect(),
 271                         gfx::Rect(),
 272                         false,
 273                         1,
 274                         SkXfermode::kSrcOver_Mode);
 275   pass->AppendSharedQuadState(shared_state2.Pass());
 276
 277   // A second shared state with no quads.
 278   scoped_ptr<SharedQuadState> shared_state3 = SharedQuadState::Create();
 279   shared_state3->SetAll(gfx::Transform(),
 280                         gfx::Size(2, 2),
 281                         gfx::Rect(),
 282                         gfx::Rect(),
 283                         false,
 284                         1,
 285                         SkXfermode::kSrcOver_Mode);
 286   pass->AppendSharedQuadState(shared_state3.Pass());
 287
 288   // A last shared state with a quad again.
 289   scoped_ptr<SharedQuadState> shared_state4 = SharedQuadState::Create();
 290   shared_state4->SetAll(gfx::Transform(),
 291                         gfx::Size(2, 2),
 292                         gfx::Rect(),
 293                         gfx::Rect(),
 294                         false,
 295                         1,
 296                         SkXfermode::kSrcOver_Mode);
 297   pass->AppendSharedQuadState(shared_state4.Pass());
 298
 299   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad2 =
 300       CheckerboardDrawQuad::Create();
 301   checkerboard_quad2->SetNew(
 302       pass->shared_quad_state_list.back(), gfx::Rect(3, 3, 3, 3), SkColor());
 303   pass->quad_list.push_back(checkerboard_quad2.PassAs<DrawQuad>());
 304
 305   pass_list.push_back(pass.PassAs<RenderPass>());
 306
 307   // Make a copy with CopyAll().
 308   RenderPassList copy_list;
 309   RenderPass::CopyAll(pass_list, &copy_list);
 310
 311   CompareRenderPassLists(pass_list, copy_list);
 312 }
 313
 314 }  // namespace
 315 }  // namespace cc