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