cc/output/software_renderer_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/output/software_renderer.h"
   6
   7 #include "base/run_loop.h"
   8 #include "cc/output/compositor_frame_metadata.h"
   9 #include "cc/output/copy_output_request.h"
  10 #include "cc/output/copy_output_result.h"
  11 #include "cc/output/software_output_device.h"
  12 #include "cc/quads/render_pass.h"
  13 #include "cc/quads/render_pass_draw_quad.h"
  14 #include "cc/quads/solid_color_draw_quad.h"
  15 #include "cc/quads/tile_draw_quad.h"
  16 #include "cc/test/animation_test_common.h"
  17 #include "cc/test/fake_output_surface.h"
  18 #include "cc/test/fake_output_surface_client.h"
  19 #include "cc/test/geometry_test_utils.h"
  20 #include "cc/test/render_pass_test_common.h"
  21 #include "cc/test/render_pass_test_utils.h"
  22 #include "cc/test/test_shared_bitmap_manager.h"
  23 #include "testing/gmock/include/gmock/gmock.h"
  24 #include "testing/gtest/include/gtest/gtest.h"
  25 #include "third_party/skia/include/core/SkCanvas.h"
  26
  27 namespace cc {
  28 namespace {
  29
  30 class SoftwareRendererTest : public testing::Test, public RendererClient {
  31  public:
  32   void InitializeRenderer(
  33       scoped_ptr<SoftwareOutputDevice> software_output_device) {
  34     output_surface_ = FakeOutputSurface::CreateSoftware(
  35         software_output_device.Pass());
  36     CHECK(output_surface_->BindToClient(&output_surface_client_));
  37
  38     shared_bitmap_manager_.reset(new TestSharedBitmapManager());
  39     resource_provider_ = ResourceProvider::Create(output_surface_.get(),
  40                                                   shared_bitmap_manager_.get(),
  41                                                   NULL,
  42                                                   NULL,
  43                                                   0,
  44                                                   false,
  45                                                   1);
  46     renderer_ = SoftwareRenderer::Create(
  47         this, &settings_, output_surface_.get(), resource_provider());
  48   }
  49
  50   ResourceProvider* resource_provider() const {
  51     return resource_provider_.get();
  52   }
  53
  54   SoftwareRenderer* renderer() const { return renderer_.get(); }
  55
  56   // RendererClient implementation.
  57   void SetFullRootLayerDamage() override {}
  58
  59   scoped_ptr<SkBitmap> DrawAndCopyOutput(RenderPassList* list,
  60                                          float device_scale_factor,
  61                                          gfx::Rect device_viewport_rect) {
  62     scoped_ptr<SkBitmap> bitmap_result;
  63     base::RunLoop loop;
  64
  65     list->back()->copy_requests.push_back(
  66         CopyOutputRequest::CreateBitmapRequest(
  67             base::Bind(&SoftwareRendererTest::SaveBitmapResult,
  68                        base::Unretained(&bitmap_result),
  69                        loop.QuitClosure())));
  70
  71     renderer()->DrawFrame(list,
  72                           device_scale_factor,
  73                           device_viewport_rect,
  74                           device_viewport_rect,
  75                           false);
  76     loop.Run();
  77     return bitmap_result.Pass();
  78   }
  79
  80   static void SaveBitmapResult(scoped_ptr<SkBitmap>* bitmap_result,
  81                                const base::Closure& quit_closure,
  82                                scoped_ptr<CopyOutputResult> result) {
  83     DCHECK(result->HasBitmap());
  84     *bitmap_result = result->TakeBitmap();
  85     quit_closure.Run();
  86   }
  87
  88  protected:
  89   RendererSettings settings_;
  90   FakeOutputSurfaceClient output_surface_client_;
  91   scoped_ptr<FakeOutputSurface> output_surface_;
  92   scoped_ptr<SharedBitmapManager> shared_bitmap_manager_;
  93   scoped_ptr<ResourceProvider> resource_provider_;
  94   scoped_ptr<SoftwareRenderer> renderer_;
  95 };
  96
  97 TEST_F(SoftwareRendererTest, SolidColorQuad) {
  98   gfx::Size outer_size(100, 100);
  99   gfx::Size inner_size(98, 98);
 100   gfx::Rect outer_rect(outer_size);
 101   gfx::Rect inner_rect(gfx::Point(1, 1), inner_size);
 102   gfx::Rect visible_rect(gfx::Point(1, 2), gfx::Size(98, 97));
 103
 104   InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
 105
 106   RenderPassId root_render_pass_id = RenderPassId(1, 1);
 107   scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
 108   root_render_pass->SetNew(
 109       root_render_pass_id, outer_rect, outer_rect, gfx::Transform());
 110   SharedQuadState* shared_quad_state =
 111       root_render_pass->CreateAndAppendSharedQuadState();
 112   shared_quad_state->SetAll(gfx::Transform(),
 113                             outer_size,
 114                             outer_rect,
 115                             outer_rect,
 116                             false,
 117                             1.0,
 118                             SkXfermode::kSrcOver_Mode,
 119                             0);
 120   SolidColorDrawQuad* inner_quad =
 121       root_render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
 122   inner_quad->SetNew(
 123       shared_quad_state, inner_rect, inner_rect, SK_ColorCYAN, false);
 124   inner_quad->visible_rect = visible_rect;
 125   SolidColorDrawQuad* outer_quad =
 126       root_render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
 127   outer_quad->SetNew(
 128       shared_quad_state, outer_rect, outer_rect, SK_ColorYELLOW, false);
 129
 130   RenderPassList list;
 131   list.push_back(root_render_pass.Pass());
 132
 133   float device_scale_factor = 1.f;
 134   gfx::Rect device_viewport_rect(outer_size);
 135   scoped_ptr<SkBitmap> output =
 136       DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 137   EXPECT_EQ(outer_rect.width(), output->info().fWidth);
 138   EXPECT_EQ(outer_rect.height(), output->info().fHeight);
 139
 140   EXPECT_EQ(SK_ColorYELLOW, output->getColor(0, 0));
 141   EXPECT_EQ(SK_ColorYELLOW,
 142             output->getColor(outer_size.width() - 1, outer_size.height() - 1));
 143   EXPECT_EQ(SK_ColorYELLOW, output->getColor(1, 1));
 144   EXPECT_EQ(SK_ColorCYAN, output->getColor(1, 2));
 145   EXPECT_EQ(SK_ColorCYAN,
 146             output->getColor(inner_size.width() - 1, inner_size.height() - 1));
 147 }
 148
 149 TEST_F(SoftwareRendererTest, TileQuad) {
 150   gfx::Size outer_size(100, 100);
 151   gfx::Size inner_size(98, 98);
 152   gfx::Rect outer_rect(outer_size);
 153   gfx::Rect inner_rect(gfx::Point(1, 1), inner_size);
 154   InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
 155
 156   ResourceProvider::ResourceId resource_yellow =
 157       resource_provider()->CreateResource(
 158           outer_size, GL_CLAMP_TO_EDGE,
 159           ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
 160   ResourceProvider::ResourceId resource_cyan =
 161       resource_provider()->CreateResource(
 162           inner_size, GL_CLAMP_TO_EDGE,
 163           ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
 164
 165   SkBitmap yellow_tile;
 166   yellow_tile.allocN32Pixels(outer_size.width(), outer_size.height());
 167   yellow_tile.eraseColor(SK_ColorYELLOW);
 168
 169   SkBitmap cyan_tile;
 170   cyan_tile.allocN32Pixels(inner_size.width(), inner_size.height());
 171   cyan_tile.eraseColor(SK_ColorCYAN);
 172
 173   resource_provider()->CopyToResource(
 174       resource_yellow, static_cast<uint8_t*>(yellow_tile.getPixels()),
 175       outer_size);
 176   resource_provider()->CopyToResource(
 177       resource_cyan, static_cast<uint8_t*>(cyan_tile.getPixels()), inner_size);
 178
 179   gfx::Rect root_rect = outer_rect;
 180
 181   RenderPassId root_render_pass_id = RenderPassId(1, 1);
 182   scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
 183   root_render_pass->SetNew(
 184       root_render_pass_id, root_rect, root_rect, gfx::Transform());
 185   SharedQuadState* shared_quad_state =
 186       root_render_pass->CreateAndAppendSharedQuadState();
 187   shared_quad_state->SetAll(gfx::Transform(),
 188                             outer_size,
 189                             outer_rect,
 190                             outer_rect,
 191                             false,
 192                             1.0,
 193                             SkXfermode::kSrcOver_Mode,
 194                             0);
 195   TileDrawQuad* inner_quad =
 196       root_render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
 197   inner_quad->SetNew(shared_quad_state,
 198                      inner_rect,
 199                      inner_rect,
 200                      inner_rect,
 201                      resource_cyan,
 202                      gfx::RectF(inner_size),
 203                      inner_size,
 204                      false,
 205                      false);
 206   TileDrawQuad* outer_quad =
 207       root_render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
 208   outer_quad->SetNew(shared_quad_state,
 209                      outer_rect,
 210                      outer_rect,
 211                      outer_rect,
 212                      resource_yellow,
 213                      gfx::RectF(outer_size),
 214                      outer_size,
 215                      false,
 216                      false);
 217
 218   RenderPassList list;
 219   list.push_back(root_render_pass.Pass());
 220
 221   float device_scale_factor = 1.f;
 222   gfx::Rect device_viewport_rect(outer_size);
 223   scoped_ptr<SkBitmap> output =
 224       DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 225   EXPECT_EQ(outer_rect.width(), output->info().fWidth);
 226   EXPECT_EQ(outer_rect.height(), output->info().fHeight);
 227
 228   EXPECT_EQ(SK_ColorYELLOW, output->getColor(0, 0));
 229   EXPECT_EQ(SK_ColorYELLOW,
 230             output->getColor(outer_size.width() - 1, outer_size.height() - 1));
 231   EXPECT_EQ(SK_ColorCYAN, output->getColor(1, 1));
 232   EXPECT_EQ(SK_ColorCYAN,
 233             output->getColor(inner_size.width() - 1, inner_size.height() - 1));
 234 }
 235
 236 TEST_F(SoftwareRendererTest, TileQuadVisibleRect) {
 237   gfx::Size tile_size(100, 100);
 238   gfx::Rect tile_rect(tile_size);
 239   gfx::Rect visible_rect = tile_rect;
 240   visible_rect.Inset(1, 2, 3, 4);
 241   InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
 242
 243   ResourceProvider::ResourceId resource_cyan =
 244       resource_provider()->CreateResource(
 245           tile_size, GL_CLAMP_TO_EDGE, ResourceProvider::TEXTURE_HINT_IMMUTABLE,
 246           RGBA_8888);
 247
 248   SkBitmap cyan_tile;  // The lowest five rows are yellow.
 249   cyan_tile.allocN32Pixels(tile_size.width(), tile_size.height());
 250   cyan_tile.eraseColor(SK_ColorCYAN);
 251   cyan_tile.eraseArea(
 252       SkIRect::MakeLTRB(
 253           0, visible_rect.bottom() - 1, tile_rect.width(), tile_rect.bottom()),
 254       SK_ColorYELLOW);
 255
 256   resource_provider()->CopyToResource(
 257       resource_cyan, static_cast<uint8_t*>(cyan_tile.getPixels()), tile_size);
 258
 259   gfx::Rect root_rect(tile_size);
 260
 261   RenderPassId root_render_pass_id = RenderPassId(1, 1);
 262   scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
 263   root_render_pass->SetNew(
 264       root_render_pass_id, root_rect, root_rect, gfx::Transform());
 265   SharedQuadState* shared_quad_state =
 266       root_render_pass->CreateAndAppendSharedQuadState();
 267   shared_quad_state->SetAll(gfx::Transform(),
 268                             tile_size,
 269                             tile_rect,
 270                             tile_rect,
 271                             false,
 272                             1.0,
 273                             SkXfermode::kSrcOver_Mode,
 274                             0);
 275   TileDrawQuad* quad =
 276       root_render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
 277   quad->SetNew(shared_quad_state,
 278                tile_rect,
 279                tile_rect,
 280                tile_rect,
 281                resource_cyan,
 282                gfx::RectF(tile_size),
 283                tile_size,
 284                false,
 285                false);
 286   quad->visible_rect = visible_rect;
 287
 288   RenderPassList list;
 289   list.push_back(root_render_pass.Pass());
 290
 291   float device_scale_factor = 1.f;
 292   gfx::Rect device_viewport_rect(tile_size);
 293   scoped_ptr<SkBitmap> output =
 294       DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 295   EXPECT_EQ(tile_rect.width(), output->info().fWidth);
 296   EXPECT_EQ(tile_rect.height(), output->info().fHeight);
 297
 298   // Check portion of tile not in visible rect isn't drawn.
 299   const unsigned int kTransparent = SK_ColorTRANSPARENT;
 300   EXPECT_EQ(kTransparent, output->getColor(0, 0));
 301   EXPECT_EQ(kTransparent,
 302             output->getColor(tile_rect.width() - 1, tile_rect.height() - 1));
 303   EXPECT_EQ(kTransparent,
 304             output->getColor(visible_rect.x() - 1, visible_rect.y() - 1));
 305   EXPECT_EQ(kTransparent,
 306             output->getColor(visible_rect.right(), visible_rect.bottom()));
 307   // Ensure visible part is drawn correctly.
 308   EXPECT_EQ(SK_ColorCYAN, output->getColor(visible_rect.x(), visible_rect.y()));
 309   EXPECT_EQ(
 310       SK_ColorCYAN,
 311       output->getColor(visible_rect.right() - 2, visible_rect.bottom() - 2));
 312   // Ensure last visible line is correct.
 313   EXPECT_EQ(
 314       SK_ColorYELLOW,
 315       output->getColor(visible_rect.right() - 1, visible_rect.bottom() - 1));
 316 }
 317
 318 TEST_F(SoftwareRendererTest, ShouldClearRootRenderPass) {
 319   float device_scale_factor = 1.f;
 320   gfx::Rect device_viewport_rect(0, 0, 100, 100);
 321
 322   settings_.should_clear_root_render_pass = false;
 323   InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
 324
 325   RenderPassList list;
 326
 327   // Draw a fullscreen green quad in a first frame.
 328   RenderPassId root_clear_pass_id(1, 0);
 329   TestRenderPass* root_clear_pass = AddRenderPass(
 330       &list, root_clear_pass_id, device_viewport_rect, gfx::Transform());
 331   AddQuad(root_clear_pass, device_viewport_rect, SK_ColorGREEN);
 332
 333   renderer()->DecideRenderPassAllocationsForFrame(list);
 334
 335   scoped_ptr<SkBitmap> output =
 336       DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 337   EXPECT_EQ(device_viewport_rect.width(), output->info().fWidth);
 338   EXPECT_EQ(device_viewport_rect.height(), output->info().fHeight);
 339
 340   EXPECT_EQ(SK_ColorGREEN, output->getColor(0, 0));
 341   EXPECT_EQ(SK_ColorGREEN,
 342             output->getColor(device_viewport_rect.width() - 1,
 343                              device_viewport_rect.height() - 1));
 344
 345   list.clear();
 346
 347   // Draw a smaller magenta rect without filling the viewport in a separate
 348   // frame.
 349   gfx::Rect smaller_rect(20, 20, 60, 60);
 350
 351   RenderPassId root_smaller_pass_id(2, 0);
 352   TestRenderPass* root_smaller_pass = AddRenderPass(
 353       &list, root_smaller_pass_id, device_viewport_rect, gfx::Transform());
 354   AddQuad(root_smaller_pass, smaller_rect, SK_ColorMAGENTA);
 355
 356   renderer()->DecideRenderPassAllocationsForFrame(list);
 357
 358   output = DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 359   EXPECT_EQ(device_viewport_rect.width(), output->info().fWidth);
 360   EXPECT_EQ(device_viewport_rect.height(), output->info().fHeight);
 361
 362   // If we didn't clear, the borders should still be green.
 363   EXPECT_EQ(SK_ColorGREEN, output->getColor(0, 0));
 364   EXPECT_EQ(SK_ColorGREEN,
 365             output->getColor(device_viewport_rect.width() - 1,
 366                              device_viewport_rect.height() - 1));
 367
 368   EXPECT_EQ(SK_ColorMAGENTA,
 369             output->getColor(smaller_rect.x(), smaller_rect.y()));
 370   EXPECT_EQ(
 371       SK_ColorMAGENTA,
 372       output->getColor(smaller_rect.right() - 1, smaller_rect.bottom() - 1));
 373 }
 374
 375 TEST_F(SoftwareRendererTest, RenderPassVisibleRect) {
 376   float device_scale_factor = 1.f;
 377   gfx::Rect device_viewport_rect(0, 0, 100, 100);
 378   InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
 379
 380   RenderPassList list;
 381
 382   // Pass drawn as inner quad is magenta.
 383   gfx::Rect smaller_rect(20, 20, 60, 60);
 384   RenderPassId smaller_pass_id(2, 1);
 385   TestRenderPass* smaller_pass =
 386       AddRenderPass(&list, smaller_pass_id, smaller_rect, gfx::Transform());
 387   AddQuad(smaller_pass, smaller_rect, SK_ColorMAGENTA);
 388
 389   // Root pass is green.
 390   RenderPassId root_clear_pass_id(1, 0);
 391   TestRenderPass* root_clear_pass = AddRenderPass(
 392       &list, root_clear_pass_id, device_viewport_rect, gfx::Transform());
 393   AddRenderPassQuad(root_clear_pass, smaller_pass);
 394   AddQuad(root_clear_pass, device_viewport_rect, SK_ColorGREEN);
 395
 396   // Interior pass quad has smaller visible rect.
 397   gfx::Rect interior_visible_rect(30, 30, 40, 40);
 398   root_clear_pass->quad_list.front()->visible_rect = interior_visible_rect;
 399
 400   renderer()->DecideRenderPassAllocationsForFrame(list);
 401
 402   scoped_ptr<SkBitmap> output =
 403       DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 404   EXPECT_EQ(device_viewport_rect.width(), output->info().fWidth);
 405   EXPECT_EQ(device_viewport_rect.height(), output->info().fHeight);
 406
 407   EXPECT_EQ(SK_ColorGREEN, output->getColor(0, 0));
 408   EXPECT_EQ(SK_ColorGREEN,
 409             output->getColor(device_viewport_rect.width() - 1,
 410                              device_viewport_rect.height() - 1));
 411
 412   // Part outside visible rect should remain green.
 413   EXPECT_EQ(SK_ColorGREEN,
 414             output->getColor(smaller_rect.x(), smaller_rect.y()));
 415   EXPECT_EQ(
 416       SK_ColorGREEN,
 417       output->getColor(smaller_rect.right() - 1, smaller_rect.bottom() - 1));
 418
 419   EXPECT_EQ(
 420       SK_ColorMAGENTA,
 421       output->getColor(interior_visible_rect.x(), interior_visible_rect.y()));
 422   EXPECT_EQ(SK_ColorMAGENTA,
 423             output->getColor(interior_visible_rect.right() - 1,
 424                              interior_visible_rect.bottom() - 1));
 425 }
 426
 427 }  // namespace
 428 }  // namespace cc