1 /* 2 * Copyright 2013 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include <functional> 9 #include "SkCanvas.h" 10 #include "SkColorSpace_Base.h" 11 #include "SkData.h" 12 #include "SkDevice.h" 13 #include "SkImage_Base.h" 14 #include "SkOverdrawCanvas.h" 15 #include "SkPath.h" 16 #include "SkRegion.h" 17 #include "SkRRect.h" 18 #include "SkSurface.h" 19 #include "SkUtils.h" 20 #include "Test.h" 21 22 #if SK_SUPPORT_GPU 23 #include "GrContext.h" 24 #include "GrContextPriv.h" 25 #include "GrRenderTargetContext.h" 26 #include "GrGpu.h" 27 #include "GrResourceProvider.h" 28 #include "GrTest.h" 29 #include <vector> 30 #endif 31 32 #include <initializer_list> 33 34 static void release_direct_surface_storage(void* pixels, void* context) { 35 SkASSERT(pixels == context); 36 sk_free(pixels); 37 } 38 static sk_sp<SkSurface> create_surface(SkAlphaType at = kPremul_SkAlphaType, 39 SkImageInfo* requestedInfo = nullptr) { 40 const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at); 41 if (requestedInfo) { 42 *requestedInfo = info; 43 } 44 return SkSurface::MakeRaster(info); 45 } 46 static sk_sp<SkSurface> create_direct_surface(SkAlphaType at = kPremul_SkAlphaType, 47 SkImageInfo* requestedInfo = nullptr) { 48 const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at); 49 if (requestedInfo) { 50 *requestedInfo = info; 51 } 52 const size_t rowBytes = info.minRowBytes(); 53 void* storage = sk_malloc_throw(info.getSafeSize(rowBytes)); 54 return SkSurface::MakeRasterDirectReleaseProc(info, storage, rowBytes, 55 release_direct_surface_storage, 56 storage); 57 } 58 #if SK_SUPPORT_GPU 59 static sk_sp<SkSurface> create_gpu_surface(GrContext* context, SkAlphaType at = kPremul_SkAlphaType, 60 SkImageInfo* requestedInfo = nullptr) { 61 const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at); 62 if (requestedInfo) { 63 *requestedInfo = info; 64 } 65 return SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info); 66 } 67 static sk_sp<SkSurface> create_gpu_scratch_surface(GrContext* context, 68 SkAlphaType at = kPremul_SkAlphaType, 69 SkImageInfo* requestedInfo = nullptr) { 70 const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at); 71 if (requestedInfo) { 72 *requestedInfo = info; 73 } 74 return SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info); 75 } 76 #endif 77 78 DEF_TEST(SurfaceEmpty, reporter) { 79 const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType); 80 REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRaster(info)); 81 REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRasterDirect(info, nullptr, 0)); 82 83 } 84 #if SK_SUPPORT_GPU 85 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceEmpty_Gpu, reporter, ctxInfo) { 86 const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType); 87 REPORTER_ASSERT(reporter, nullptr == 88 SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kNo, info)); 89 } 90 #endif 91 92 static void test_canvas_peek(skiatest::Reporter* reporter, 93 sk_sp<SkSurface>& surface, 94 const SkImageInfo& requestInfo, 95 bool expectPeekSuccess) { 96 const SkColor color = SK_ColorRED; 97 const SkPMColor pmcolor = SkPreMultiplyColor(color); 98 surface->getCanvas()->clear(color); 99 100 SkPixmap pmap; 101 bool success = surface->getCanvas()->peekPixels(&pmap); 102 REPORTER_ASSERT(reporter, expectPeekSuccess == success); 103 104 SkPixmap pmap2; 105 const void* addr2 = surface->peekPixels(&pmap2) ? pmap2.addr() : nullptr; 106 107 if (success) { 108 REPORTER_ASSERT(reporter, requestInfo == pmap.info()); 109 REPORTER_ASSERT(reporter, requestInfo.minRowBytes() <= pmap.rowBytes()); 110 REPORTER_ASSERT(reporter, pmcolor == *pmap.addr32()); 111 112 REPORTER_ASSERT(reporter, pmap.addr() == pmap2.addr()); 113 REPORTER_ASSERT(reporter, pmap.info() == pmap2.info()); 114 REPORTER_ASSERT(reporter, pmap.rowBytes() == pmap2.rowBytes()); 115 } else { 116 REPORTER_ASSERT(reporter, nullptr == addr2); 117 } 118 } 119 DEF_TEST(SurfaceCanvasPeek, reporter) { 120 for (auto& surface_func : { &create_surface, &create_direct_surface }) { 121 SkImageInfo requestInfo; 122 auto surface(surface_func(kPremul_SkAlphaType, &requestInfo)); 123 test_canvas_peek(reporter, surface, requestInfo, true); 124 } 125 } 126 #if SK_SUPPORT_GPU 127 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCanvasPeek_Gpu, reporter, ctxInfo) { 128 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { 129 SkImageInfo requestInfo; 130 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, &requestInfo)); 131 test_canvas_peek(reporter, surface, requestInfo, false); 132 } 133 } 134 #endif 135 136 static void test_snapshot_alphatype(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface, 137 SkAlphaType expectedAlphaType) { 138 REPORTER_ASSERT(reporter, surface); 139 if (surface) { 140 sk_sp<SkImage> image(surface->makeImageSnapshot()); 141 REPORTER_ASSERT(reporter, image); 142 if (image) { 143 REPORTER_ASSERT(reporter, image->alphaType() == expectedAlphaType); 144 } 145 } 146 } 147 DEF_TEST(SurfaceSnapshotAlphaType, reporter) { 148 for (auto& surface_func : { &create_surface, &create_direct_surface }) { 149 for (auto& at: { kOpaque_SkAlphaType, kPremul_SkAlphaType, kUnpremul_SkAlphaType }) { 150 auto surface(surface_func(at, nullptr)); 151 test_snapshot_alphatype(reporter, surface, at); 152 } 153 } 154 } 155 #if SK_SUPPORT_GPU 156 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceSnapshotAlphaType_Gpu, reporter, ctxInfo) { 157 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { 158 // GPU doesn't support creating unpremul surfaces, so only test opaque + premul 159 for (auto& at : { kOpaque_SkAlphaType, kPremul_SkAlphaType }) { 160 auto surface(surface_func(ctxInfo.grContext(), at, nullptr)); 161 test_snapshot_alphatype(reporter, surface, at); 162 } 163 } 164 } 165 #endif 166 167 static GrBackendObject get_surface_backend_texture_handle( 168 SkSurface* s, SkSurface::BackendHandleAccess a) { 169 return s->getTextureHandle(a); 170 } 171 static GrBackendObject get_surface_backend_render_target_handle( 172 SkSurface* s, SkSurface::BackendHandleAccess a) { 173 GrBackendObject result; 174 if (!s->getRenderTargetHandle(&result, a)) { 175 return 0; 176 } 177 return result; 178 } 179 180 static void test_backend_handle_access_copy_on_write( 181 skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess mode, 182 GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) { 183 GrBackendObject obj1 = func(surface, mode); 184 sk_sp<SkImage> snap1(surface->makeImageSnapshot()); 185 186 GrBackendObject obj2 = func(surface, mode); 187 sk_sp<SkImage> snap2(surface->makeImageSnapshot()); 188 189 // If the access mode triggers CoW, then the backend objects should reflect it. 190 REPORTER_ASSERT(reporter, (obj1 == obj2) == (snap1 == snap2)); 191 } 192 DEF_TEST(SurfaceBackendHandleAccessCopyOnWrite, reporter) { 193 const SkSurface::BackendHandleAccess accessModes[] = { 194 SkSurface::kFlushRead_BackendHandleAccess, 195 SkSurface::kFlushWrite_BackendHandleAccess, 196 SkSurface::kDiscardWrite_BackendHandleAccess, 197 }; 198 for (auto& handle_access_func : 199 { &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle }) { 200 for (auto& accessMode : accessModes) { 201 auto surface(create_surface()); 202 test_backend_handle_access_copy_on_write(reporter, surface.get(), accessMode, 203 handle_access_func); 204 } 205 } 206 } 207 #if SK_SUPPORT_GPU 208 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendHandleAccessCopyOnWrite_Gpu, reporter, ctxInfo) { 209 const SkSurface::BackendHandleAccess accessModes[] = { 210 SkSurface::kFlushRead_BackendHandleAccess, 211 SkSurface::kFlushWrite_BackendHandleAccess, 212 SkSurface::kDiscardWrite_BackendHandleAccess, 213 }; 214 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { 215 for (auto& handle_access_func : 216 { &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle }) { 217 for (auto& accessMode : accessModes) { 218 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); 219 test_backend_handle_access_copy_on_write(reporter, surface.get(), accessMode, 220 handle_access_func); 221 } 222 } 223 } 224 } 225 #endif 226 227 #if SK_SUPPORT_GPU 228 229 static void test_backend_handle_unique_id( 230 skiatest::Reporter* reporter, SkSurface* surface, 231 GrBackendObject (*func)(SkSurface*, SkSurface::BackendHandleAccess)) { 232 sk_sp<SkImage> image0(surface->makeImageSnapshot()); 233 GrBackendObject obj = func(surface, SkSurface::kFlushRead_BackendHandleAccess); 234 REPORTER_ASSERT(reporter, obj != 0); 235 sk_sp<SkImage> image1(surface->makeImageSnapshot()); 236 // just read access should not affect the snapshot 237 REPORTER_ASSERT(reporter, image0->uniqueID() == image1->uniqueID()); 238 239 obj = func(surface, SkSurface::kFlushWrite_BackendHandleAccess); 240 REPORTER_ASSERT(reporter, obj != 0); 241 sk_sp<SkImage> image2(surface->makeImageSnapshot()); 242 // expect a new image, since we claimed we would write 243 REPORTER_ASSERT(reporter, image0->uniqueID() != image2->uniqueID()); 244 245 obj = func(surface, SkSurface::kDiscardWrite_BackendHandleAccess); 246 REPORTER_ASSERT(reporter, obj != 0); 247 sk_sp<SkImage> image3(surface->makeImageSnapshot()); 248 // expect a new(er) image, since we claimed we would write 249 REPORTER_ASSERT(reporter, image0->uniqueID() != image3->uniqueID()); 250 REPORTER_ASSERT(reporter, image2->uniqueID() != image3->uniqueID()); 251 } 252 // No CPU test. 253 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendHandleAccessIDs_Gpu, reporter, ctxInfo) { 254 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { 255 for (auto& test_func : { &test_backend_handle_unique_id }) { 256 for (auto& handle_access_func : 257 { &get_surface_backend_texture_handle, &get_surface_backend_render_target_handle}) { 258 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); 259 test_func(reporter, surface.get(), handle_access_func); 260 } 261 } 262 } 263 } 264 #endif 265 266 // Verify that the right canvas commands trigger a copy on write. 267 static void test_copy_on_write(skiatest::Reporter* reporter, SkSurface* surface) { 268 SkCanvas* canvas = surface->getCanvas(); 269 270 const SkRect testRect = 271 SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0), 272 SkIntToScalar(4), SkIntToScalar(5)); 273 SkPath testPath; 274 testPath.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0), 275 SkIntToScalar(2), SkIntToScalar(1))); 276 277 const SkIRect testIRect = SkIRect::MakeXYWH(0, 0, 2, 1); 278 279 SkRegion testRegion; 280 testRegion.setRect(testIRect); 281 282 283 const SkColor testColor = 0x01020304; 284 const SkPaint testPaint; 285 const SkPoint testPoints[3] = { 286 {SkIntToScalar(0), SkIntToScalar(0)}, 287 {SkIntToScalar(2), SkIntToScalar(1)}, 288 {SkIntToScalar(0), SkIntToScalar(2)} 289 }; 290 const size_t testPointCount = 3; 291 292 SkBitmap testBitmap; 293 testBitmap.allocN32Pixels(10, 10); 294 testBitmap.eraseColor(0); 295 296 SkRRect testRRect; 297 testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1); 298 299 SkString testText("Hello World"); 300 const SkPoint testPoints2[] = { 301 { SkIntToScalar(0), SkIntToScalar(1) }, 302 { SkIntToScalar(1), SkIntToScalar(1) }, 303 { SkIntToScalar(2), SkIntToScalar(1) }, 304 { SkIntToScalar(3), SkIntToScalar(1) }, 305 { SkIntToScalar(4), SkIntToScalar(1) }, 306 { SkIntToScalar(5), SkIntToScalar(1) }, 307 { SkIntToScalar(6), SkIntToScalar(1) }, 308 { SkIntToScalar(7), SkIntToScalar(1) }, 309 { SkIntToScalar(8), SkIntToScalar(1) }, 310 { SkIntToScalar(9), SkIntToScalar(1) }, 311 { SkIntToScalar(10), SkIntToScalar(1) }, 312 }; 313 314 #define EXPECT_COPY_ON_WRITE(command) \ 315 { \ 316 sk_sp<SkImage> imageBefore = surface->makeImageSnapshot(); \ 317 sk_sp<SkImage> aur_before(imageBefore); \ 318 canvas-> command ; \ 319 sk_sp<SkImage> imageAfter = surface->makeImageSnapshot(); \ 320 sk_sp<SkImage> aur_after(imageAfter); \ 321 REPORTER_ASSERT(reporter, imageBefore != imageAfter); \ 322 } 323 324 EXPECT_COPY_ON_WRITE(clear(testColor)) 325 EXPECT_COPY_ON_WRITE(drawPaint(testPaint)) 326 EXPECT_COPY_ON_WRITE(drawPoints(SkCanvas::kPoints_PointMode, testPointCount, testPoints, \ 327 testPaint)) 328 EXPECT_COPY_ON_WRITE(drawOval(testRect, testPaint)) 329 EXPECT_COPY_ON_WRITE(drawRect(testRect, testPaint)) 330 EXPECT_COPY_ON_WRITE(drawRRect(testRRect, testPaint)) 331 EXPECT_COPY_ON_WRITE(drawPath(testPath, testPaint)) 332 EXPECT_COPY_ON_WRITE(drawBitmap(testBitmap, 0, 0)) 333 EXPECT_COPY_ON_WRITE(drawBitmapRect(testBitmap, testRect, nullptr)) 334 EXPECT_COPY_ON_WRITE(drawBitmapNine(testBitmap, testIRect, testRect, nullptr)) 335 EXPECT_COPY_ON_WRITE(drawString(testText, 0, 1, testPaint)) 336 EXPECT_COPY_ON_WRITE(drawPosText(testText.c_str(), testText.size(), testPoints2, \ 337 testPaint)) 338 EXPECT_COPY_ON_WRITE(drawTextOnPath(testText.c_str(), testText.size(), testPath, nullptr, \ 339 testPaint)) 340 } 341 DEF_TEST(SurfaceCopyOnWrite, reporter) { 342 test_copy_on_write(reporter, create_surface().get()); 343 } 344 #if SK_SUPPORT_GPU 345 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCopyOnWrite_Gpu, reporter, ctxInfo) { 346 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { 347 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); 348 test_copy_on_write(reporter, surface.get()); 349 } 350 } 351 #endif 352 353 static void test_writable_after_snapshot_release(skiatest::Reporter* reporter, 354 SkSurface* surface) { 355 // This test succeeds by not triggering an assertion. 356 // The test verifies that the surface remains writable (usable) after 357 // acquiring and releasing a snapshot without triggering a copy on write. 358 SkCanvas* canvas = surface->getCanvas(); 359 canvas->clear(1); 360 surface->makeImageSnapshot(); // Create and destroy SkImage 361 canvas->clear(2); // Must not assert internally 362 } 363 DEF_TEST(SurfaceWriteableAfterSnapshotRelease, reporter) { 364 test_writable_after_snapshot_release(reporter, create_surface().get()); 365 } 366 #if SK_SUPPORT_GPU 367 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceWriteableAfterSnapshotRelease_Gpu, reporter, ctxInfo) { 368 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { 369 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); 370 test_writable_after_snapshot_release(reporter, surface.get()); 371 } 372 } 373 #endif 374 375 #if SK_SUPPORT_GPU 376 static void test_crbug263329(skiatest::Reporter* reporter, 377 SkSurface* surface1, 378 SkSurface* surface2) { 379 // This is a regression test for crbug.com/263329 380 // Bug was caused by onCopyOnWrite releasing the old surface texture 381 // back to the scratch texture pool even though the texture is used 382 // by and active SkImage_Gpu. 383 SkCanvas* canvas1 = surface1->getCanvas(); 384 SkCanvas* canvas2 = surface2->getCanvas(); 385 canvas1->clear(1); 386 sk_sp<SkImage> image1(surface1->makeImageSnapshot()); 387 // Trigger copy on write, new backing is a scratch texture 388 canvas1->clear(2); 389 sk_sp<SkImage> image2(surface1->makeImageSnapshot()); 390 // Trigger copy on write, old backing should not be returned to scratch 391 // pool because it is held by image2 392 canvas1->clear(3); 393 394 canvas2->clear(4); 395 sk_sp<SkImage> image3(surface2->makeImageSnapshot()); 396 // Trigger copy on write on surface2. The new backing store should not 397 // be recycling a texture that is held by an existing image. 398 canvas2->clear(5); 399 sk_sp<SkImage> image4(surface2->makeImageSnapshot()); 400 REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image3)->getTexture()); 401 // The following assertion checks crbug.com/263329 402 REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image2)->getTexture()); 403 REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image1)->getTexture()); 404 REPORTER_ASSERT(reporter, as_IB(image3)->getTexture() != as_IB(image2)->getTexture()); 405 REPORTER_ASSERT(reporter, as_IB(image3)->getTexture() != as_IB(image1)->getTexture()); 406 REPORTER_ASSERT(reporter, as_IB(image2)->getTexture() != as_IB(image1)->getTexture()); 407 } 408 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCRBug263329_Gpu, reporter, ctxInfo) { 409 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { 410 auto surface1(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); 411 auto surface2(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); 412 test_crbug263329(reporter, surface1.get(), surface2.get()); 413 } 414 } 415 #endif 416 417 DEF_TEST(SurfaceGetTexture, reporter) { 418 auto surface(create_surface()); 419 sk_sp<SkImage> image(surface->makeImageSnapshot()); 420 REPORTER_ASSERT(reporter, !as_IB(image)->isTextureBacked()); 421 surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode); 422 REPORTER_ASSERT(reporter, !as_IB(image)->isTextureBacked()); 423 } 424 #if SK_SUPPORT_GPU 425 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacepeekTexture_Gpu, reporter, ctxInfo) { 426 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { 427 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); 428 sk_sp<SkImage> image(surface->makeImageSnapshot()); 429 430 REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked()); 431 GrBackendObject textureHandle = image->getTextureHandle(false); 432 REPORTER_ASSERT(reporter, 0 != textureHandle); 433 surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode); 434 REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked()); 435 REPORTER_ASSERT(reporter, textureHandle == image->getTextureHandle(false)); 436 } 437 } 438 #endif 439 440 #if SK_SUPPORT_GPU 441 #include "GrGpuResourcePriv.h" 442 #include "SkGpuDevice.h" 443 #include "SkImage_Gpu.h" 444 #include "SkSurface_Gpu.h" 445 446 static SkBudgeted is_budgeted(const sk_sp<SkSurface>& surf) { 447 SkSurface_Gpu* gsurf = (SkSurface_Gpu*)surf.get(); 448 449 GrRenderTargetProxy* proxy = gsurf->getDevice()->accessRenderTargetContext() 450 ->asRenderTargetProxy(); 451 return proxy->isBudgeted(); 452 } 453 454 static SkBudgeted is_budgeted(SkImage* image) { 455 return ((SkImage_Gpu*)image)->peekProxy()->isBudgeted(); 456 } 457 458 static SkBudgeted is_budgeted(const sk_sp<SkImage> image) { 459 return is_budgeted(image.get()); 460 } 461 462 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBudget, reporter, ctxInfo) { 463 SkImageInfo info = SkImageInfo::MakeN32Premul(8,8); 464 for (auto budgeted : { SkBudgeted::kNo, SkBudgeted::kYes }) { 465 auto surface(SkSurface::MakeRenderTarget(ctxInfo.grContext(), budgeted, info)); 466 SkASSERT(surface); 467 REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface)); 468 469 sk_sp<SkImage> image(surface->makeImageSnapshot()); 470 471 // Initially the image shares a texture with the surface, and the 472 // the budgets should always match. 473 REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface)); 474 REPORTER_ASSERT(reporter, budgeted == is_budgeted(image)); 475 476 // Now trigger copy-on-write 477 surface->getCanvas()->clear(SK_ColorBLUE); 478 479 // They don't share a texture anymore but the budgets should still match. 480 REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface)); 481 REPORTER_ASSERT(reporter, budgeted == is_budgeted(image)); 482 } 483 } 484 #endif 485 486 static void test_no_canvas1(skiatest::Reporter* reporter, 487 SkSurface* surface, 488 SkSurface::ContentChangeMode mode) { 489 // Test passes by not asserting 490 surface->notifyContentWillChange(mode); 491 SkDEBUGCODE(surface->validate();) 492 } 493 static void test_no_canvas2(skiatest::Reporter* reporter, 494 SkSurface* surface, 495 SkSurface::ContentChangeMode mode) { 496 // Verifies the robustness of SkSurface for handling use cases where calls 497 // are made before a canvas is created. 498 sk_sp<SkImage> image1 = surface->makeImageSnapshot(); 499 sk_sp<SkImage> aur_image1(image1); 500 SkDEBUGCODE(image1->validate();) 501 SkDEBUGCODE(surface->validate();) 502 surface->notifyContentWillChange(mode); 503 SkDEBUGCODE(image1->validate();) 504 SkDEBUGCODE(surface->validate();) 505 sk_sp<SkImage> image2 = surface->makeImageSnapshot(); 506 sk_sp<SkImage> aur_image2(image2); 507 SkDEBUGCODE(image2->validate();) 508 SkDEBUGCODE(surface->validate();) 509 REPORTER_ASSERT(reporter, image1 != image2); 510 } 511 DEF_TEST(SurfaceNoCanvas, reporter) { 512 SkSurface::ContentChangeMode modes[] = 513 { SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode}; 514 for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) { 515 for (auto& mode : modes) { 516 test_func(reporter, create_surface().get(), mode); 517 } 518 } 519 } 520 #if SK_SUPPORT_GPU 521 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceNoCanvas_Gpu, reporter, ctxInfo) { 522 SkSurface::ContentChangeMode modes[] = 523 { SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode}; 524 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) { 525 for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) { 526 for (auto& mode : modes) { 527 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr)); 528 test_func(reporter, surface.get(), mode); 529 } 530 } 531 } 532 } 533 #endif 534 535 static void check_rowbytes_remain_consistent(SkSurface* surface, skiatest::Reporter* reporter) { 536 SkPixmap surfacePM; 537 REPORTER_ASSERT(reporter, surface->peekPixels(&surfacePM)); 538 539 sk_sp<SkImage> image(surface->makeImageSnapshot()); 540 SkPixmap pm; 541 REPORTER_ASSERT(reporter, image->peekPixels(&pm)); 542 543 REPORTER_ASSERT(reporter, surfacePM.rowBytes() == pm.rowBytes()); 544 545 // trigger a copy-on-write 546 surface->getCanvas()->drawPaint(SkPaint()); 547 sk_sp<SkImage> image2(surface->makeImageSnapshot()); 548 REPORTER_ASSERT(reporter, image->uniqueID() != image2->uniqueID()); 549 550 SkPixmap pm2; 551 REPORTER_ASSERT(reporter, image2->peekPixels(&pm2)); 552 REPORTER_ASSERT(reporter, pm2.rowBytes() == pm.rowBytes()); 553 } 554 555 DEF_TEST(surface_rowbytes, reporter) { 556 const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100); 557 558 auto surf0(SkSurface::MakeRaster(info)); 559 check_rowbytes_remain_consistent(surf0.get(), reporter); 560 561 // specify a larger rowbytes 562 auto surf1(SkSurface::MakeRaster(info, 500, nullptr)); 563 check_rowbytes_remain_consistent(surf1.get(), reporter); 564 565 // Try some illegal rowByte values 566 auto s = SkSurface::MakeRaster(info, 396, nullptr); // needs to be at least 400 567 REPORTER_ASSERT(reporter, nullptr == s); 568 s = SkSurface::MakeRaster(info, 1 << 30, nullptr); // allocation to large 569 REPORTER_ASSERT(reporter, nullptr == s); 570 } 571 572 DEF_TEST(surface_raster_zeroinitialized, reporter) { 573 sk_sp<SkSurface> s(SkSurface::MakeRasterN32Premul(100, 100)); 574 SkPixmap pixmap; 575 REPORTER_ASSERT(reporter, s->peekPixels(&pixmap)); 576 577 for (int i = 0; i < pixmap.info().width(); ++i) { 578 for (int j = 0; j < pixmap.info().height(); ++j) { 579 REPORTER_ASSERT(reporter, *pixmap.addr32(i, j) == 0); 580 } 581 } 582 } 583 584 #if SK_SUPPORT_GPU 585 static sk_sp<SkSurface> create_gpu_surface_backend_texture( 586 GrContext* context, int sampleCnt, uint32_t color, GrBackendObject* outTexture) { 587 const int kWidth = 10; 588 const int kHeight = 10; 589 std::unique_ptr<uint32_t[]> pixels(new uint32_t[kWidth * kHeight]); 590 sk_memset32(pixels.get(), color, kWidth * kHeight); 591 592 GrBackendObject backendHandle = context->getGpu()->createTestingOnlyBackendTexture( 593 pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig, true); 594 595 GrBackendTexture backendTex = GrTest::CreateBackendTexture(context->contextPriv().getBackend(), 596 kWidth, 597 kHeight, 598 kRGBA_8888_GrPixelConfig, 599 backendHandle); 600 601 sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTexture(context, backendTex, 602 kDefault_GrSurfaceOrigin, sampleCnt, 603 nullptr, nullptr); 604 if (!surface) { 605 context->getGpu()->deleteTestingOnlyBackendTexture(backendHandle); 606 return nullptr; 607 } 608 *outTexture = backendHandle; 609 return surface; 610 } 611 612 static sk_sp<SkSurface> create_gpu_surface_backend_texture_as_render_target( 613 GrContext* context, int sampleCnt, uint32_t color, GrBackendObject* outTexture) { 614 const int kWidth = 10; 615 const int kHeight = 10; 616 std::unique_ptr<uint32_t[]> pixels(new uint32_t[kWidth * kHeight]); 617 sk_memset32(pixels.get(), color, kWidth * kHeight); 618 619 GrBackendObject backendHandle = context->getGpu()->createTestingOnlyBackendTexture( 620 pixels.get(), kWidth, kHeight, kRGBA_8888_GrPixelConfig, true); 621 622 GrBackendTexture backendTex = GrTest::CreateBackendTexture(context->contextPriv().getBackend(), 623 kWidth, 624 kHeight, 625 kRGBA_8888_GrPixelConfig, 626 backendHandle); 627 sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTextureAsRenderTarget( 628 context, backendTex, kDefault_GrSurfaceOrigin, sampleCnt, nullptr, nullptr); 629 630 if (!surface) { 631 context->getGpu()->deleteTestingOnlyBackendTexture(backendHandle); 632 return nullptr; 633 } 634 *outTexture = backendHandle; 635 return surface; 636 } 637 638 static void test_surface_clear(skiatest::Reporter* reporter, sk_sp<SkSurface> surface, 639 std::function<sk_sp<GrSurfaceContext>(SkSurface*)> grSurfaceGetter, 640 uint32_t expectedValue) { 641 if (!surface) { 642 ERRORF(reporter, "Could not create GPU SkSurface."); 643 return; 644 } 645 int w = surface->width(); 646 int h = surface->height(); 647 std::unique_ptr<uint32_t[]> pixels(new uint32_t[w * h]); 648 sk_memset32(pixels.get(), ~expectedValue, w * h); 649 650 sk_sp<GrSurfaceContext> grSurfaceContext(grSurfaceGetter(surface.get())); 651 if (!grSurfaceContext) { 652 ERRORF(reporter, "Could access render target of GPU SkSurface."); 653 return; 654 } 655 surface.reset(); 656 657 SkImageInfo ii = SkImageInfo::Make(w, h, kRGBA_8888_SkColorType, kPremul_SkAlphaType); 658 grSurfaceContext->readPixels(ii, pixels.get(), 0, 0, 0); 659 for (int y = 0; y < h; ++y) { 660 for (int x = 0; x < w; ++x) { 661 uint32_t pixel = pixels.get()[y * w + x]; 662 if (pixel != expectedValue) { 663 SkString msg; 664 if (expectedValue) { 665 msg = "SkSurface should have left render target unmodified"; 666 } else { 667 msg = "SkSurface should have cleared the render target"; 668 } 669 ERRORF(reporter, 670 "%s but read 0x%08x (instead of 0x%08x) at %x,%d", msg.c_str(), pixel, 671 expectedValue, x, y); 672 return; 673 } 674 } 675 } 676 } 677 678 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceClear_Gpu, reporter, ctxInfo) { 679 GrContext* context = ctxInfo.grContext(); 680 681 std::function<sk_sp<GrSurfaceContext>(SkSurface*)> grSurfaceContextGetters[] = { 682 [] (SkSurface* s){ 683 return sk_ref_sp(s->getCanvas()->internal_private_accessTopLayerRenderTargetContext()); 684 }, 685 [] (SkSurface* s){ 686 sk_sp<SkImage> i(s->makeImageSnapshot()); 687 SkImage_Gpu* gpuImage = (SkImage_Gpu *) as_IB(i); 688 sk_sp<GrTextureProxy> proxy = gpuImage->asTextureProxyRef(); 689 GrContext* context = gpuImage->context(); 690 return context->contextPriv().makeWrappedSurfaceContext(std::move(proxy), 691 gpuImage->refColorSpace()); 692 } 693 }; 694 695 for (auto grSurfaceGetter : grSurfaceContextGetters) { 696 // Test that non-wrapped RTs are created clear. 697 for (auto& surface_func : {&create_gpu_surface, &create_gpu_scratch_surface}) { 698 auto surface = surface_func(context, kPremul_SkAlphaType, nullptr); 699 test_surface_clear(reporter, surface, grSurfaceGetter, 0x0); 700 } 701 // Wrapped RTs are *not* supposed to clear (to allow client to partially update a surface). 702 const uint32_t kOrigColor = 0xABABABAB; 703 for (auto& surfaceFunc : {&create_gpu_surface_backend_texture, 704 &create_gpu_surface_backend_texture_as_render_target}) { 705 GrBackendObject textureObject; 706 auto surface = surfaceFunc(context, 0, kOrigColor, &textureObject); 707 test_surface_clear(reporter, surface, grSurfaceGetter, kOrigColor); 708 surface.reset(); 709 context->getGpu()->deleteTestingOnlyBackendTexture(textureObject); 710 } 711 } 712 } 713 714 static void test_surface_draw_partially( 715 skiatest::Reporter* reporter, sk_sp<SkSurface> surface, uint32_t origColor) { 716 const int kW = surface->width(); 717 const int kH = surface->height(); 718 SkPaint paint; 719 const SkColor kRectColor = ~origColor | 0xFF000000; 720 paint.setColor(kRectColor); 721 surface->getCanvas()->drawRect(SkRect::MakeWH(SkIntToScalar(kW), SkIntToScalar(kH)/2), 722 paint); 723 std::unique_ptr<uint32_t[]> pixels(new uint32_t[kW * kH]); 724 sk_memset32(pixels.get(), ~origColor, kW * kH); 725 // Read back RGBA to avoid format conversions that may not be supported on all platforms. 726 SkImageInfo readInfo = SkImageInfo::Make(kW, kH, kRGBA_8888_SkColorType, kPremul_SkAlphaType); 727 SkAssertResult(surface->readPixels(readInfo, pixels.get(), kW * sizeof(uint32_t), 0, 0)); 728 bool stop = false; 729 SkPMColor origColorPM = SkPackARGB_as_RGBA((origColor >> 24 & 0xFF), 730 (origColor >> 0 & 0xFF), 731 (origColor >> 8 & 0xFF), 732 (origColor >> 16 & 0xFF)); 733 SkPMColor rectColorPM = SkPackARGB_as_RGBA((kRectColor >> 24 & 0xFF), 734 (kRectColor >> 16 & 0xFF), 735 (kRectColor >> 8 & 0xFF), 736 (kRectColor >> 0 & 0xFF)); 737 for (int y = 0; y < kH/2 && !stop; ++y) { 738 for (int x = 0; x < kW && !stop; ++x) { 739 REPORTER_ASSERT(reporter, rectColorPM == pixels[x + y * kW]); 740 if (rectColorPM != pixels[x + y * kW]) { 741 stop = true; 742 } 743 } 744 } 745 stop = false; 746 for (int y = kH/2; y < kH && !stop; ++y) { 747 for (int x = 0; x < kW && !stop; ++x) { 748 REPORTER_ASSERT(reporter, origColorPM == pixels[x + y * kW]); 749 if (origColorPM != pixels[x + y * kW]) { 750 stop = true; 751 } 752 } 753 } 754 } 755 756 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacePartialDraw_Gpu, reporter, ctxInfo) { 757 GrGpu* gpu = ctxInfo.grContext()->getGpu(); 758 if (!gpu) { 759 return; 760 } 761 static const uint32_t kOrigColor = 0xFFAABBCC; 762 763 for (auto& surfaceFunc : {&create_gpu_surface_backend_texture, 764 &create_gpu_surface_backend_texture_as_render_target}) { 765 // Validate that we can draw to the canvas and that the original texture color is 766 // preserved in pixels that aren't rendered to via the surface. 767 // This works only for non-multisampled case. 768 GrBackendObject textureObject; 769 auto surface = surfaceFunc(ctxInfo.grContext(), 0, kOrigColor, &textureObject); 770 if (surface) { 771 test_surface_draw_partially(reporter, surface, kOrigColor); 772 surface.reset(); 773 gpu->deleteTestingOnlyBackendTexture(textureObject); 774 } 775 } 776 } 777 778 779 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAttachStencil_Gpu, reporter, ctxInfo) { 780 GrGpu* gpu = ctxInfo.grContext()->getGpu(); 781 if (!gpu) { 782 return; 783 } 784 if (gpu->caps()->avoidStencilBuffers()) { 785 return; 786 } 787 static const uint32_t kOrigColor = 0xFFAABBCC; 788 789 for (auto& surfaceFunc : {&create_gpu_surface_backend_texture, 790 &create_gpu_surface_backend_texture_as_render_target}) { 791 for (int sampleCnt : {0, 4, 8}) { 792 GrBackendObject textureObject; 793 auto surface = surfaceFunc(ctxInfo.grContext(), sampleCnt, kOrigColor, &textureObject); 794 795 if (!surface && sampleCnt > 0) { 796 // Certain platforms don't support MSAA, skip these. 797 continue; 798 } 799 800 // Validate that we can attach a stencil buffer to an SkSurface created by either of 801 // our surface functions. 802 GrRenderTarget* rt = surface->getCanvas() 803 ->internal_private_accessTopLayerRenderTargetContext()->accessRenderTarget(); 804 REPORTER_ASSERT(reporter, 805 ctxInfo.grContext()->resourceProvider()->attachStencilAttachment(rt)); 806 gpu->deleteTestingOnlyBackendTexture(textureObject); 807 } 808 } 809 } 810 #endif 811 812 static void test_surface_creation_and_snapshot_with_color_space( 813 skiatest::Reporter* reporter, 814 const char* prefix, 815 bool f16Support, 816 std::function<sk_sp<SkSurface>(const SkImageInfo&)> surfaceMaker) { 817 818 auto srgbColorSpace = SkColorSpace::MakeSRGB(); 819 auto adobeColorSpace = SkColorSpace_Base::MakeNamed(SkColorSpace_Base::kAdobeRGB_Named); 820 const SkMatrix44* srgbMatrix = as_CSB(srgbColorSpace)->toXYZD50(); 821 SkASSERT(srgbMatrix); 822 SkColorSpaceTransferFn oddGamma; 823 oddGamma.fA = 1.0f; 824 oddGamma.fB = oddGamma.fC = oddGamma.fD = oddGamma.fE = oddGamma.fF = 0.0f; 825 oddGamma.fG = 4.0f; 826 auto oddColorSpace = SkColorSpace::MakeRGB(oddGamma, *srgbMatrix); 827 auto linearColorSpace = SkColorSpace::MakeSRGBLinear(); 828 829 const struct { 830 SkColorType fColorType; 831 sk_sp<SkColorSpace> fColorSpace; 832 bool fShouldWork; 833 const char* fDescription; 834 } testConfigs[] = { 835 { kN32_SkColorType, nullptr, true, "N32-nullptr" }, 836 { kN32_SkColorType, linearColorSpace, false, "N32-linear" }, 837 { kN32_SkColorType, srgbColorSpace, true, "N32-srgb" }, 838 { kN32_SkColorType, adobeColorSpace, true, "N32-adobe" }, 839 { kN32_SkColorType, oddColorSpace, false, "N32-odd" }, 840 { kRGBA_F16_SkColorType, nullptr, false, "F16-nullptr" }, 841 { kRGBA_F16_SkColorType, linearColorSpace, true, "F16-linear" }, 842 { kRGBA_F16_SkColorType, srgbColorSpace, false, "F16-srgb" }, 843 { kRGBA_F16_SkColorType, adobeColorSpace, false, "F16-adobe" }, 844 { kRGBA_F16_SkColorType, oddColorSpace, false, "F16-odd" }, 845 { kRGB_565_SkColorType, srgbColorSpace, false, "565-srgb" }, 846 { kAlpha_8_SkColorType, srgbColorSpace, false, "A8-srgb" }, 847 }; 848 849 for (auto& testConfig : testConfigs) { 850 SkString fullTestName = SkStringPrintf("%s-%s", prefix, testConfig.fDescription); 851 SkImageInfo info = SkImageInfo::Make(10, 10, testConfig.fColorType, kPremul_SkAlphaType, 852 testConfig.fColorSpace); 853 854 // For some GPU contexts (eg ANGLE), we don't have f16 support, so we should fail to create 855 // any surface of that type: 856 bool shouldWork = testConfig.fShouldWork && 857 (f16Support || kRGBA_F16_SkColorType != testConfig.fColorType); 858 859 auto surface(surfaceMaker(info)); 860 REPORTER_ASSERT_MESSAGE(reporter, SkToBool(surface) == shouldWork, fullTestName.c_str()); 861 862 if (shouldWork && surface) { 863 sk_sp<SkImage> image(surface->makeImageSnapshot()); 864 REPORTER_ASSERT_MESSAGE(reporter, image, testConfig.fDescription); 865 SkColorSpace* imageColorSpace = as_IB(image)->onImageInfo().colorSpace(); 866 REPORTER_ASSERT_MESSAGE(reporter, imageColorSpace == testConfig.fColorSpace.get(), 867 fullTestName.c_str()); 868 } 869 } 870 } 871 872 DEF_TEST(SurfaceCreationWithColorSpace, reporter) { 873 auto surfaceMaker = [](const SkImageInfo& info) { 874 return SkSurface::MakeRaster(info); 875 }; 876 877 test_surface_creation_and_snapshot_with_color_space(reporter, "raster", true, surfaceMaker); 878 } 879 880 #if SK_SUPPORT_GPU 881 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCreationWithColorSpace_Gpu, reporter, ctxInfo) { 882 GrContext* context = ctxInfo.grContext(); 883 bool f16Support = context->caps()->isConfigRenderable(kRGBA_half_GrPixelConfig, false); 884 auto surfaceMaker = [context](const SkImageInfo& info) { 885 return SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info); 886 }; 887 888 test_surface_creation_and_snapshot_with_color_space(reporter, "gpu", f16Support, surfaceMaker); 889 890 std::vector<GrBackendObject> textureHandles; 891 auto wrappedSurfaceMaker = [context,&textureHandles](const SkImageInfo& info) { 892 static const int kSize = 10; 893 GrPixelConfig config = SkImageInfo2GrPixelConfig(info, *context->caps()); 894 895 GrBackendObject backendHandle = context->getGpu()->createTestingOnlyBackendTexture( 896 nullptr, kSize, kSize, config, true); 897 898 if (!backendHandle) { 899 return sk_sp<SkSurface>(nullptr); 900 } 901 textureHandles.push_back(backendHandle); 902 903 GrBackendTexture backendTex = GrTest::CreateBackendTexture(context->contextPriv().getBackend(), 904 kSize, 905 kSize, 906 config, 907 backendHandle); 908 909 return SkSurface::MakeFromBackendTexture(context, backendTex, 910 kDefault_GrSurfaceOrigin, 0, 911 sk_ref_sp(info.colorSpace()), nullptr); 912 }; 913 914 test_surface_creation_and_snapshot_with_color_space(reporter, "wrapped", f16Support, 915 wrappedSurfaceMaker); 916 917 context->flush(); 918 919 for (auto textureHandle : textureHandles) { 920 context->getGpu()->deleteTestingOnlyBackendTexture(textureHandle); 921 } 922 } 923 #endif 924 925 static void test_overdraw_surface(skiatest::Reporter* r, SkSurface* surface) { 926 SkOverdrawCanvas canvas(surface->getCanvas()); 927 canvas.drawPaint(SkPaint()); 928 sk_sp<SkImage> image = surface->makeImageSnapshot(); 929 930 SkBitmap bitmap; 931 image->asLegacyBitmap(&bitmap, SkImage::kRO_LegacyBitmapMode); 932 for (int y = 0; y < 10; y++) { 933 for (int x = 0; x < 10; x++) { 934 REPORTER_ASSERT(r, 1 == SkGetPackedA32(*bitmap.getAddr32(x, y))); 935 } 936 } 937 } 938 939 DEF_TEST(OverdrawSurface_Raster, r) { 940 sk_sp<SkSurface> surface = create_surface(); 941 test_overdraw_surface(r, surface.get()); 942 } 943 944 #if SK_SUPPORT_GPU 945 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(OverdrawSurface_Gpu, r, ctxInfo) { 946 GrContext* context = ctxInfo.grContext(); 947 sk_sp<SkSurface> surface = create_gpu_surface(context); 948 test_overdraw_surface(r, surface.get()); 949 } 950 #endif 951 952 DEF_TEST(Surface_null, r) { 953 REPORTER_ASSERT(r, SkSurface::MakeNull(0, 0) == nullptr); 954 955 const int w = 37; 956 const int h = 1000; 957 auto surf = SkSurface::MakeNull(w, h); 958 auto canvas = surf->getCanvas(); 959 960 canvas->drawPaint(SkPaint()); // should not crash, but don't expect anything to draw 961 REPORTER_ASSERT(r, surf->makeImageSnapshot() == nullptr); 962 } 963
