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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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1318 | 1318 |
1319 EXPECT_FALSE(child2->visibleLayerRect().isEmpty()); | 1319 EXPECT_FALSE(child2->visibleLayerRect().isEmpty()); |
1320 | 1320 |
1321 // But if the back face is visible, then the visibleLayerRect should be empt
y. | 1321 // But if the back face is visible, then the visibleLayerRect should be empt
y. |
1322 EXPECT_TRUE(animatingChild->visibleLayerRect().isEmpty()); | 1322 EXPECT_TRUE(animatingChild->visibleLayerRect().isEmpty()); |
1323 EXPECT_TRUE(animatingSurface->visibleLayerRect().isEmpty()); | 1323 EXPECT_TRUE(animatingSurface->visibleLayerRect().isEmpty()); |
1324 // And any layers in the subtree should not be considered visible either. | 1324 // And any layers in the subtree should not be considered visible either. |
1325 EXPECT_TRUE(childOfAnimatingSurface->visibleLayerRect().isEmpty()); | 1325 EXPECT_TRUE(childOfAnimatingSurface->visibleLayerRect().isEmpty()); |
1326 } | 1326 } |
1327 | 1327 |
| 1328 TEST(CCLayerTreeHostCommonTest, verifyBackFaceCullingWithPreserves3dForFlattenin
gSurface) |
| 1329 { |
| 1330 // Verify the behavior of back-face culling for a renderSurface that is crea
ted |
| 1331 // when it flattens its subtree, and its parent has preserves-3d. |
| 1332 |
| 1333 const TransformationMatrix identityMatrix; |
| 1334 RefPtr<LayerChromium> parent = LayerChromium::create(); |
| 1335 RefPtr<LayerChromiumWithForcedDrawsContent> frontFacingSurface = adoptRef(ne
w LayerChromiumWithForcedDrawsContent()); |
| 1336 RefPtr<LayerChromiumWithForcedDrawsContent> backFacingSurface = adoptRef(new
LayerChromiumWithForcedDrawsContent()); |
| 1337 RefPtr<LayerChromiumWithForcedDrawsContent> child1 = adoptRef(new LayerChrom
iumWithForcedDrawsContent()); |
| 1338 RefPtr<LayerChromiumWithForcedDrawsContent> child2 = adoptRef(new LayerChrom
iumWithForcedDrawsContent()); |
| 1339 |
| 1340 parent->createRenderSurface(); |
| 1341 parent->addChild(frontFacingSurface); |
| 1342 parent->addChild(backFacingSurface); |
| 1343 frontFacingSurface->addChild(child1); |
| 1344 backFacingSurface->addChild(child2); |
| 1345 |
| 1346 // RenderSurfaces are not double-sided |
| 1347 frontFacingSurface->setDoubleSided(false); |
| 1348 backFacingSurface->setDoubleSided(false); |
| 1349 |
| 1350 TransformationMatrix backfaceMatrix; |
| 1351 backfaceMatrix.translate(50, 50); |
| 1352 backfaceMatrix.rotate3d(0, 1, 0, 180); |
| 1353 backfaceMatrix.translate(-50, -50); |
| 1354 |
| 1355 setLayerPropertiesForTesting(parent.get(), identityMatrix, identityMatrix, F
loatPoint(0, 0), FloatPoint(0, 0), IntSize(100, 100), true); // parent transform
style is preserve3d. |
| 1356 setLayerPropertiesForTesting(frontFacingSurface.get(), identityMatrix, ident
ityMatrix, FloatPoint(0, 0), FloatPoint(0, 0), IntSize(100, 100), false); // sur
face transform style is flat. |
| 1357 setLayerPropertiesForTesting(backFacingSurface.get(), backfaceMatrix, ident
ityMatrix, FloatPoint(0, 0), FloatPoint(0, 0), IntSize(100, 100), false); // sur
face transform style is flat. |
| 1358 setLayerPropertiesForTesting(child1.get(), identityMatrix, identityMatrix, F
loatPoint(0, 0), FloatPoint(0, 0), IntSize(100, 100), false); |
| 1359 setLayerPropertiesForTesting(child2.get(), identityMatrix, identityMatrix, F
loatPoint(0, 0), FloatPoint(0, 0), IntSize(100, 100), false); |
| 1360 |
| 1361 Vector<RefPtr<LayerChromium> > renderSurfaceLayerList; |
| 1362 Vector<RefPtr<LayerChromium> > dummyLayerList; |
| 1363 int dummyMaxTextureSize = 512; |
| 1364 parent->renderSurface()->setContentRect(IntRect(IntPoint(), parent->bounds()
)); |
| 1365 parent->setClipRect(IntRect(IntPoint::zero(), parent->bounds())); |
| 1366 renderSurfaceLayerList.append(parent.get()); |
| 1367 |
| 1368 CCLayerTreeHostCommon::calculateDrawTransformsAndVisibility(parent.get(), pa
rent.get(), identityMatrix, identityMatrix, renderSurfaceLayerList, dummyLayerLi
st, dummyMaxTextureSize); |
| 1369 |
| 1370 // Verify which renderSurfaces were created. |
| 1371 EXPECT_TRUE(frontFacingSurface->renderSurface()); |
| 1372 EXPECT_FALSE(backFacingSurface->renderSurface()); // because it should be cu
lled |
| 1373 EXPECT_FALSE(child1->renderSurface()); |
| 1374 EXPECT_FALSE(child2->renderSurface()); |
| 1375 |
| 1376 // Verify the renderSurfaceLayerList. The back-facing surface should be cull
ed. |
| 1377 ASSERT_EQ(2u, renderSurfaceLayerList.size()); |
| 1378 EXPECT_EQ(parent->id(), renderSurfaceLayerList[0]->id()); |
| 1379 EXPECT_EQ(frontFacingSurface->id(), renderSurfaceLayerList[1]->id()); |
| 1380 |
| 1381 // Verify root surface's layerList. |
| 1382 ASSERT_EQ(1u, renderSurfaceLayerList[0]->renderSurface()->layerList().size()
); |
| 1383 EXPECT_EQ(frontFacingSurface->id(), renderSurfaceLayerList[0]->renderSurface
()->layerList()[0]->id()); |
| 1384 |
| 1385 // Verify frontFacingSurface's layerList. |
| 1386 ASSERT_EQ(2u, renderSurfaceLayerList[1]->renderSurface()->layerList().size()
); |
| 1387 EXPECT_EQ(frontFacingSurface->id(), renderSurfaceLayerList[1]->renderSurface
()->layerList()[0]->id()); |
| 1388 EXPECT_EQ(child1->id(), renderSurfaceLayerList[1]->renderSurface()->layerLis
t()[1]->id()); |
| 1389 } |
| 1390 |
1328 // FIXME: | 1391 // FIXME: |
1329 // continue working on https://bugs.webkit.org/show_bug.cgi?id=68942 | 1392 // continue working on https://bugs.webkit.org/show_bug.cgi?id=68942 |
1330 // - add a test to verify clipping that changes the "center point" | 1393 // - add a test to verify clipping that changes the "center point" |
1331 // - add a case that checks if a render surface's drawTransform is computed cor
rectly. For the general case, and for special cases when clipping. | 1394 // - add a case that checks if a render surface's drawTransform is computed cor
rectly. For the general case, and for special cases when clipping. |
1332 // - add a case that checks if a render surface's replicaTransform is computed
correctly. | 1395 // - add a case that checks if a render surface's replicaTransform is computed
correctly. |
1333 // - test all the conditions under which render surfaces are created | 1396 // - test all the conditions under which render surfaces are created |
1334 // - if possible, test all conditions under which render surfaces are not creat
ed | 1397 // - if possible, test all conditions under which render surfaces are not creat
ed |
1335 // - verify that the layer lists of render surfaces are correct, verify that "t
argetRenderSurface" values for each layer are correct. | 1398 // - verify that the layer lists of render surfaces are correct, verify that "t
argetRenderSurface" values for each layer are correct. |
1336 // - test the computation of clip rects and content rects | 1399 // - test the computation of clip rects and content rects |
1337 // - test the special cases for mask layers and replica layers | 1400 // - test the special cases for mask layers and replica layers |
1338 // - test the other functions in CCLayerTreeHostCommon | 1401 // - test the other functions in CCLayerTreeHostCommon |
1339 // | 1402 // |
1340 | 1403 |
1341 } // namespace | 1404 } // namespace |
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