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      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   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad =
     93       CheckerboardDrawQuad::Create();
     94   checkerboard_quad->SetNew(
     95       pass->shared_quad_state_list.back(), gfx::Rect(), 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   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   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad1 =
    144       CheckerboardDrawQuad::Create();
    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   pass->quad_list.push_back(checkerboard_quad1.PassAs<DrawQuad>());
    150 
    151   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad2 =
    152       CheckerboardDrawQuad::Create();
    153   checkerboard_quad2->SetNew(pass->shared_quad_state_list.back(),
    154                              gfx::Rect(2, 2, 2, 2),
    155                              gfx::Rect(2, 2, 2, 2),
    156                              SkColor());
    157   pass->quad_list.push_back(checkerboard_quad2.PassAs<DrawQuad>());
    158 
    159   // And two quads using another shared state.
    160   SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
    161   shared_state2->SetAll(gfx::Transform(),
    162                         gfx::Size(2, 2),
    163                         gfx::Rect(),
    164                         gfx::Rect(),
    165                         false,
    166                         1,
    167                         SkXfermode::kSrcOver_Mode,
    168                         0);
    169 
    170   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad3 =
    171       CheckerboardDrawQuad::Create();
    172   checkerboard_quad3->SetNew(pass->shared_quad_state_list.back(),
    173                              gfx::Rect(3, 3, 3, 3),
    174                              gfx::Rect(3, 3, 3, 3),
    175                              SkColor());
    176   pass->quad_list.push_back(checkerboard_quad3.PassAs<DrawQuad>());
    177 
    178   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad4 =
    179       CheckerboardDrawQuad::Create();
    180   checkerboard_quad4->SetNew(pass->shared_quad_state_list.back(),
    181                              gfx::Rect(4, 4, 4, 4),
    182                              gfx::Rect(4, 4, 4, 4),
    183                              SkColor());
    184   pass->quad_list.push_back(checkerboard_quad4.PassAs<DrawQuad>());
    185 
    186   // A second render pass with a quad.
    187   RenderPass::Id contrib_id(4, 1);
    188   gfx::Rect contrib_output_rect(10, 15, 12, 17);
    189   gfx::Transform contrib_transform_to_root =
    190       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
    191   gfx::Rect contrib_damage_rect(11, 16, 10, 15);
    192   bool contrib_has_transparent_background = true;
    193 
    194   scoped_ptr<TestRenderPass> contrib = TestRenderPass::Create();
    195   contrib->SetAll(contrib_id,
    196                   contrib_output_rect,
    197                   contrib_damage_rect,
    198                   contrib_transform_to_root,
    199                   contrib_has_transparent_background);
    200 
    201   SharedQuadState* contrib_shared_state =
    202       contrib->CreateAndAppendSharedQuadState();
    203   contrib_shared_state->SetAll(gfx::Transform(),
    204                                gfx::Size(2, 2),
    205                                gfx::Rect(),
    206                                gfx::Rect(),
    207                                false,
    208                                1,
    209                                SkXfermode::kSrcOver_Mode,
    210                                0);
    211 
    212   scoped_ptr<CheckerboardDrawQuad> contrib_quad =
    213       CheckerboardDrawQuad::Create();
    214   contrib_quad->SetNew(contrib->shared_quad_state_list.back(),
    215                        gfx::Rect(3, 3, 3, 3),
    216                        gfx::Rect(3, 3, 3, 3),
    217                        SkColor());
    218   contrib->quad_list.push_back(contrib_quad.PassAs<DrawQuad>());
    219 
    220   // And a RenderPassDrawQuad for the contributing pass.
    221   scoped_ptr<RenderPassDrawQuad> pass_quad = RenderPassDrawQuad::Create();
    222   pass_quad->SetNew(pass->shared_quad_state_list.back(),
    223                     contrib_output_rect,
    224                     contrib_output_rect,
    225                     contrib_id,
    226                     false,  // is_replica
    227                     0,      // mask_resource_id
    228                     contrib_damage_rect,
    229                     gfx::RectF(),  // mask_uv_rect
    230                     FilterOperations(),
    231                     FilterOperations());
    232   pass->quad_list.push_back(pass_quad.PassAs<DrawQuad>());
    233 
    234   pass_list.push_back(pass.PassAs<RenderPass>());
    235   pass_list.push_back(contrib.PassAs<RenderPass>());
    236 
    237   // Make a copy with CopyAll().
    238   RenderPassList copy_list;
    239   RenderPass::CopyAll(pass_list, &copy_list);
    240 
    241   CompareRenderPassLists(pass_list, copy_list);
    242 }
    243 
    244 TEST(RenderPassTest, CopyAllWithCulledQuads) {
    245   RenderPassList pass_list;
    246 
    247   RenderPass::Id id(3, 2);
    248   gfx::Rect output_rect(45, 22, 120, 13);
    249   gfx::Transform transform_to_root =
    250       gfx::Transform(1.0, 0.5, 0.5, -0.5, -1.0, 0.0);
    251   gfx::Rect damage_rect(56, 123, 19, 43);
    252   bool has_transparent_background = true;
    253 
    254   scoped_ptr<TestRenderPass> pass = TestRenderPass::Create();
    255   pass->SetAll(id,
    256                output_rect,
    257                damage_rect,
    258                transform_to_root,
    259                has_transparent_background);
    260 
    261   // A shared state with a quad.
    262   SharedQuadState* shared_state1 = pass->CreateAndAppendSharedQuadState();
    263   shared_state1->SetAll(gfx::Transform(),
    264                         gfx::Size(1, 1),
    265                         gfx::Rect(),
    266                         gfx::Rect(),
    267                         false,
    268                         1,
    269                         SkXfermode::kSrcOver_Mode,
    270                         0);
    271 
    272   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad1 =
    273       CheckerboardDrawQuad::Create();
    274   checkerboard_quad1->SetNew(pass->shared_quad_state_list.back(),
    275                              gfx::Rect(1, 1, 1, 1),
    276                              gfx::Rect(1, 1, 1, 1),
    277                              SkColor());
    278   pass->quad_list.push_back(checkerboard_quad1.PassAs<DrawQuad>());
    279 
    280   // A shared state with no quads, they were culled.
    281   SharedQuadState* shared_state2 = pass->CreateAndAppendSharedQuadState();
    282   shared_state2->SetAll(gfx::Transform(),
    283                         gfx::Size(2, 2),
    284                         gfx::Rect(),
    285                         gfx::Rect(),
    286                         false,
    287                         1,
    288                         SkXfermode::kSrcOver_Mode,
    289                         0);
    290 
    291   // A second shared state with no quads.
    292   SharedQuadState* shared_state3 = pass->CreateAndAppendSharedQuadState();
    293   shared_state3->SetAll(gfx::Transform(),
    294                         gfx::Size(2, 2),
    295                         gfx::Rect(),
    296                         gfx::Rect(),
    297                         false,
    298                         1,
    299                         SkXfermode::kSrcOver_Mode,
    300                         0);
    301 
    302   // A last shared state with a quad again.
    303   SharedQuadState* shared_state4 = pass->CreateAndAppendSharedQuadState();
    304   shared_state4->SetAll(gfx::Transform(),
    305                         gfx::Size(2, 2),
    306                         gfx::Rect(),
    307                         gfx::Rect(),
    308                         false,
    309                         1,
    310                         SkXfermode::kSrcOver_Mode,
    311                         0);
    312 
    313   scoped_ptr<CheckerboardDrawQuad> checkerboard_quad2 =
    314       CheckerboardDrawQuad::Create();
    315   checkerboard_quad2->SetNew(pass->shared_quad_state_list.back(),
    316                              gfx::Rect(3, 3, 3, 3),
    317                              gfx::Rect(3, 3, 3, 3),
    318                              SkColor());
    319   pass->quad_list.push_back(checkerboard_quad2.PassAs<DrawQuad>());
    320 
    321   pass_list.push_back(pass.PassAs<RenderPass>());
    322 
    323   // Make a copy with CopyAll().
    324   RenderPassList copy_list;
    325   RenderPass::CopyAll(pass_list, &copy_list);
    326 
    327   CompareRenderPassLists(pass_list, copy_list);
    328 }
    329 
    330 }  // namespace
    331 }  // namespace cc
    332