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().width());
 138   EXPECT_EQ(outer_rect.height(), output->info().height());
 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   ResourceId resource_yellow = resource_provider()->CreateResource(
 157       outer_size, GL_CLAMP_TO_EDGE, ResourceProvider::TEXTURE_HINT_IMMUTABLE,
 158       RGBA_8888);
 159   ResourceId resource_cyan = resource_provider()->CreateResource(
 160       inner_size, GL_CLAMP_TO_EDGE, ResourceProvider::TEXTURE_HINT_IMMUTABLE,
 161       RGBA_8888);
 162
 163   SkBitmap yellow_tile;
 164   yellow_tile.allocN32Pixels(outer_size.width(), outer_size.height());
 165   yellow_tile.eraseColor(SK_ColorYELLOW);
 166
 167   SkBitmap cyan_tile;
 168   cyan_tile.allocN32Pixels(inner_size.width(), inner_size.height());
 169   cyan_tile.eraseColor(SK_ColorCYAN);
 170
 171   resource_provider()->CopyToResource(
 172       resource_yellow, static_cast<uint8_t*>(yellow_tile.getPixels()),
 173       outer_size);
 174   resource_provider()->CopyToResource(
 175       resource_cyan, static_cast<uint8_t*>(cyan_tile.getPixels()), inner_size);
 176
 177   gfx::Rect root_rect = outer_rect;
 178
 179   RenderPassId root_render_pass_id = RenderPassId(1, 1);
 180   scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
 181   root_render_pass->SetNew(
 182       root_render_pass_id, root_rect, root_rect, gfx::Transform());
 183   SharedQuadState* shared_quad_state =
 184       root_render_pass->CreateAndAppendSharedQuadState();
 185   shared_quad_state->SetAll(gfx::Transform(),
 186                             outer_size,
 187                             outer_rect,
 188                             outer_rect,
 189                             false,
 190                             1.0,
 191                             SkXfermode::kSrcOver_Mode,
 192                             0);
 193   TileDrawQuad* inner_quad =
 194       root_render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
 195   inner_quad->SetNew(shared_quad_state,
 196                      inner_rect,
 197                      inner_rect,
 198                      inner_rect,
 199                      resource_cyan,
 200                      gfx::RectF(inner_size),
 201                      inner_size,
 202                      false,
 203                      false);
 204   TileDrawQuad* outer_quad =
 205       root_render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
 206   outer_quad->SetNew(shared_quad_state,
 207                      outer_rect,
 208                      outer_rect,
 209                      outer_rect,
 210                      resource_yellow,
 211                      gfx::RectF(outer_size),
 212                      outer_size,
 213                      false,
 214                      false);
 215
 216   RenderPassList list;
 217   list.push_back(root_render_pass.Pass());
 218
 219   float device_scale_factor = 1.f;
 220   gfx::Rect device_viewport_rect(outer_size);
 221   scoped_ptr<SkBitmap> output =
 222       DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 223   EXPECT_EQ(outer_rect.width(), output->info().width());
 224   EXPECT_EQ(outer_rect.height(), output->info().height());
 225
 226   EXPECT_EQ(SK_ColorYELLOW, output->getColor(0, 0));
 227   EXPECT_EQ(SK_ColorYELLOW,
 228             output->getColor(outer_size.width() - 1, outer_size.height() - 1));
 229   EXPECT_EQ(SK_ColorCYAN, output->getColor(1, 1));
 230   EXPECT_EQ(SK_ColorCYAN,
 231             output->getColor(inner_size.width() - 1, inner_size.height() - 1));
 232 }
 233
 234 TEST_F(SoftwareRendererTest, TileQuadVisibleRect) {
 235   gfx::Size tile_size(100, 100);
 236   gfx::Rect tile_rect(tile_size);
 237   gfx::Rect visible_rect = tile_rect;
 238   visible_rect.Inset(1, 2, 3, 4);
 239   InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
 240
 241   ResourceId resource_cyan = resource_provider()->CreateResource(
 242       tile_size, GL_CLAMP_TO_EDGE, ResourceProvider::TEXTURE_HINT_IMMUTABLE,
 243       RGBA_8888);
 244
 245   SkBitmap cyan_tile;  // The lowest five rows are yellow.
 246   cyan_tile.allocN32Pixels(tile_size.width(), tile_size.height());
 247   cyan_tile.eraseColor(SK_ColorCYAN);
 248   cyan_tile.eraseArea(
 249       SkIRect::MakeLTRB(
 250           0, visible_rect.bottom() - 1, tile_rect.width(), tile_rect.bottom()),
 251       SK_ColorYELLOW);
 252
 253   resource_provider()->CopyToResource(
 254       resource_cyan, static_cast<uint8_t*>(cyan_tile.getPixels()), tile_size);
 255
 256   gfx::Rect root_rect(tile_size);
 257
 258   RenderPassId root_render_pass_id = RenderPassId(1, 1);
 259   scoped_ptr<TestRenderPass> root_render_pass = TestRenderPass::Create();
 260   root_render_pass->SetNew(
 261       root_render_pass_id, root_rect, root_rect, gfx::Transform());
 262   SharedQuadState* shared_quad_state =
 263       root_render_pass->CreateAndAppendSharedQuadState();
 264   shared_quad_state->SetAll(gfx::Transform(),
 265                             tile_size,
 266                             tile_rect,
 267                             tile_rect,
 268                             false,
 269                             1.0,
 270                             SkXfermode::kSrcOver_Mode,
 271                             0);
 272   TileDrawQuad* quad =
 273       root_render_pass->CreateAndAppendDrawQuad<TileDrawQuad>();
 274   quad->SetNew(shared_quad_state,
 275                tile_rect,
 276                tile_rect,
 277                tile_rect,
 278                resource_cyan,
 279                gfx::RectF(tile_size),
 280                tile_size,
 281                false,
 282                false);
 283   quad->visible_rect = visible_rect;
 284
 285   RenderPassList list;
 286   list.push_back(root_render_pass.Pass());
 287
 288   float device_scale_factor = 1.f;
 289   gfx::Rect device_viewport_rect(tile_size);
 290   scoped_ptr<SkBitmap> output =
 291       DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 292   EXPECT_EQ(tile_rect.width(), output->info().width());
 293   EXPECT_EQ(tile_rect.height(), output->info().height());
 294
 295   // Check portion of tile not in visible rect isn't drawn.
 296   const unsigned int kTransparent = SK_ColorTRANSPARENT;
 297   EXPECT_EQ(kTransparent, output->getColor(0, 0));
 298   EXPECT_EQ(kTransparent,
 299             output->getColor(tile_rect.width() - 1, tile_rect.height() - 1));
 300   EXPECT_EQ(kTransparent,
 301             output->getColor(visible_rect.x() - 1, visible_rect.y() - 1));
 302   EXPECT_EQ(kTransparent,
 303             output->getColor(visible_rect.right(), visible_rect.bottom()));
 304   // Ensure visible part is drawn correctly.
 305   EXPECT_EQ(SK_ColorCYAN, output->getColor(visible_rect.x(), visible_rect.y()));
 306   EXPECT_EQ(
 307       SK_ColorCYAN,
 308       output->getColor(visible_rect.right() - 2, visible_rect.bottom() - 2));
 309   // Ensure last visible line is correct.
 310   EXPECT_EQ(
 311       SK_ColorYELLOW,
 312       output->getColor(visible_rect.right() - 1, visible_rect.bottom() - 1));
 313 }
 314
 315 TEST_F(SoftwareRendererTest, ShouldClearRootRenderPass) {
 316   float device_scale_factor = 1.f;
 317   gfx::Rect device_viewport_rect(0, 0, 100, 100);
 318
 319   settings_.should_clear_root_render_pass = false;
 320   InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
 321
 322   RenderPassList list;
 323
 324   // Draw a fullscreen green quad in a first frame.
 325   RenderPassId root_clear_pass_id(1, 0);
 326   TestRenderPass* root_clear_pass = AddRenderPass(
 327       &list, root_clear_pass_id, device_viewport_rect, gfx::Transform());
 328   AddQuad(root_clear_pass, device_viewport_rect, SK_ColorGREEN);
 329
 330   renderer()->DecideRenderPassAllocationsForFrame(list);
 331
 332   scoped_ptr<SkBitmap> output =
 333       DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 334   EXPECT_EQ(device_viewport_rect.width(), output->info().width());
 335   EXPECT_EQ(device_viewport_rect.height(), output->info().height());
 336
 337   EXPECT_EQ(SK_ColorGREEN, output->getColor(0, 0));
 338   EXPECT_EQ(SK_ColorGREEN,
 339             output->getColor(device_viewport_rect.width() - 1,
 340                              device_viewport_rect.height() - 1));
 341
 342   list.clear();
 343
 344   // Draw a smaller magenta rect without filling the viewport in a separate
 345   // frame.
 346   gfx::Rect smaller_rect(20, 20, 60, 60);
 347
 348   RenderPassId root_smaller_pass_id(2, 0);
 349   TestRenderPass* root_smaller_pass = AddRenderPass(
 350       &list, root_smaller_pass_id, device_viewport_rect, gfx::Transform());
 351   AddQuad(root_smaller_pass, smaller_rect, SK_ColorMAGENTA);
 352
 353   renderer()->DecideRenderPassAllocationsForFrame(list);
 354
 355   output = DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 356   EXPECT_EQ(device_viewport_rect.width(), output->info().width());
 357   EXPECT_EQ(device_viewport_rect.height(), output->info().height());
 358
 359   // If we didn't clear, the borders should still be green.
 360   EXPECT_EQ(SK_ColorGREEN, output->getColor(0, 0));
 361   EXPECT_EQ(SK_ColorGREEN,
 362             output->getColor(device_viewport_rect.width() - 1,
 363                              device_viewport_rect.height() - 1));
 364
 365   EXPECT_EQ(SK_ColorMAGENTA,
 366             output->getColor(smaller_rect.x(), smaller_rect.y()));
 367   EXPECT_EQ(
 368       SK_ColorMAGENTA,
 369       output->getColor(smaller_rect.right() - 1, smaller_rect.bottom() - 1));
 370 }
 371
 372 TEST_F(SoftwareRendererTest, RenderPassVisibleRect) {
 373   float device_scale_factor = 1.f;
 374   gfx::Rect device_viewport_rect(0, 0, 100, 100);
 375   InitializeRenderer(make_scoped_ptr(new SoftwareOutputDevice));
 376
 377   RenderPassList list;
 378
 379   // Pass drawn as inner quad is magenta.
 380   gfx::Rect smaller_rect(20, 20, 60, 60);
 381   RenderPassId smaller_pass_id(2, 1);
 382   TestRenderPass* smaller_pass =
 383       AddRenderPass(&list, smaller_pass_id, smaller_rect, gfx::Transform());
 384   AddQuad(smaller_pass, smaller_rect, SK_ColorMAGENTA);
 385
 386   // Root pass is green.
 387   RenderPassId root_clear_pass_id(1, 0);
 388   TestRenderPass* root_clear_pass = AddRenderPass(
 389       &list, root_clear_pass_id, device_viewport_rect, gfx::Transform());
 390   AddRenderPassQuad(root_clear_pass, smaller_pass);
 391   AddQuad(root_clear_pass, device_viewport_rect, SK_ColorGREEN);
 392
 393   // Interior pass quad has smaller visible rect.
 394   gfx::Rect interior_visible_rect(30, 30, 40, 40);
 395   root_clear_pass->quad_list.front()->visible_rect = interior_visible_rect;
 396
 397   renderer()->DecideRenderPassAllocationsForFrame(list);
 398
 399   scoped_ptr<SkBitmap> output =
 400       DrawAndCopyOutput(&list, device_scale_factor, device_viewport_rect);
 401   EXPECT_EQ(device_viewport_rect.width(), output->info().width());
 402   EXPECT_EQ(device_viewport_rect.height(), output->info().height());
 403
 404   EXPECT_EQ(SK_ColorGREEN, output->getColor(0, 0));
 405   EXPECT_EQ(SK_ColorGREEN,
 406             output->getColor(device_viewport_rect.width() - 1,
 407                              device_viewport_rect.height() - 1));
 408
 409   // Part outside visible rect should remain green.
 410   EXPECT_EQ(SK_ColorGREEN,
 411             output->getColor(smaller_rect.x(), smaller_rect.y()));
 412   EXPECT_EQ(
 413       SK_ColorGREEN,
 414       output->getColor(smaller_rect.right() - 1, smaller_rect.bottom() - 1));
 415
 416   EXPECT_EQ(
 417       SK_ColorMAGENTA,
 418       output->getColor(interior_visible_rect.x(), interior_visible_rect.y()));
 419   EXPECT_EQ(SK_ColorMAGENTA,
 420             output->getColor(interior_visible_rect.right() - 1,
 421                              interior_visible_rect.bottom() - 1));
 422 }
 423
 424 }  // namespace
 425 }  // namespace cc