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 "GrBackendSurface.h"
9 #include "GrContext.h"
10 #include "GrContextPriv.h"
11 #include "GrGpu.h"
12 #include "GrGpuResourcePriv.h"
13 #include "GrRenderTargetContext.h"
14 #include "GrResourceProvider.h"
15 #include "SkCanvas.h"
16 #include "SkData.h"
17 #include "SkDevice.h"
18 #include "SkGpuDevice.h"
19 #include "SkImage_Base.h"
20 #include "SkImage_Gpu.h"
21 #include "SkOverdrawCanvas.h"
22 #include "SkPath.h"
23 #include "SkRegion.h"
24 #include "SkRRect.h"
25 #include "SkSurface.h"
26 #include "SkSurface_Gpu.h"
27 #include "SkUtils.h"
28 #include "Test.h"
29
30 #include <functional>
31 #include <initializer_list>
32 #include <vector>
33
34 #include "sk_tool_utils.h"
35
36
release_direct_surface_storage(void * pixels,void * context)37 static void release_direct_surface_storage(void* pixels, void* context) {
38 SkASSERT(pixels == context);
39 sk_free(pixels);
40 }
create_surface(SkAlphaType at=kPremul_SkAlphaType,SkImageInfo * requestedInfo=nullptr)41 static sk_sp<SkSurface> create_surface(SkAlphaType at = kPremul_SkAlphaType,
42 SkImageInfo* requestedInfo = nullptr) {
43 const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
44 if (requestedInfo) {
45 *requestedInfo = info;
46 }
47 return SkSurface::MakeRaster(info);
48 }
create_direct_surface(SkAlphaType at=kPremul_SkAlphaType,SkImageInfo * requestedInfo=nullptr)49 static sk_sp<SkSurface> create_direct_surface(SkAlphaType at = kPremul_SkAlphaType,
50 SkImageInfo* requestedInfo = nullptr) {
51 const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
52 if (requestedInfo) {
53 *requestedInfo = info;
54 }
55 const size_t rowBytes = info.minRowBytes();
56 void* storage = sk_malloc_throw(info.computeByteSize(rowBytes));
57 return SkSurface::MakeRasterDirectReleaseProc(info, storage, rowBytes,
58 release_direct_surface_storage,
59 storage);
60 }
create_gpu_surface(GrContext * context,SkAlphaType at=kPremul_SkAlphaType,SkImageInfo * requestedInfo=nullptr)61 static sk_sp<SkSurface> create_gpu_surface(GrContext* context, SkAlphaType at = kPremul_SkAlphaType,
62 SkImageInfo* requestedInfo = nullptr) {
63 const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
64 if (requestedInfo) {
65 *requestedInfo = info;
66 }
67 return SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info);
68 }
create_gpu_scratch_surface(GrContext * context,SkAlphaType at=kPremul_SkAlphaType,SkImageInfo * requestedInfo=nullptr)69 static sk_sp<SkSurface> create_gpu_scratch_surface(GrContext* context,
70 SkAlphaType at = kPremul_SkAlphaType,
71 SkImageInfo* requestedInfo = nullptr) {
72 const SkImageInfo info = SkImageInfo::MakeN32(10, 10, at);
73 if (requestedInfo) {
74 *requestedInfo = info;
75 }
76 return SkSurface::MakeRenderTarget(context, SkBudgeted::kYes, info);
77 }
78
DEF_TEST(SurfaceEmpty,reporter)79 DEF_TEST(SurfaceEmpty, reporter) {
80 const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType);
81 REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRaster(info));
82 REPORTER_ASSERT(reporter, nullptr == SkSurface::MakeRasterDirect(info, nullptr, 0));
83
84 }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceEmpty_Gpu,reporter,ctxInfo)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
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_colorTypeSupportedAsSurface,reporter,ctxInfo)91 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_colorTypeSupportedAsSurface, reporter, ctxInfo) {
92 for (int ct = 0; ct < kLastEnum_SkColorType; ++ct) {
93 static constexpr int kSize = 10;
94
95 SkColorType colorType = static_cast<SkColorType>(ct);
96 auto info = SkImageInfo::Make(kSize, kSize, colorType, kOpaque_SkAlphaType, nullptr);
97 bool can = ctxInfo.grContext()->colorTypeSupportedAsSurface(colorType);
98 auto surf = SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kYes, info, 1,
99 nullptr);
100 REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d",
101 colorType, can, SkToBool(surf));
102
103 auto* gpu = ctxInfo.grContext()->contextPriv().getGpu();
104 GrBackendTexture backendTex = gpu->createTestingOnlyBackendTexture(
105 nullptr, kSize, kSize, colorType, true, GrMipMapped::kNo);
106 surf = SkSurface::MakeFromBackendTexture(ctxInfo.grContext(), backendTex,
107 kTopLeft_GrSurfaceOrigin, 0, colorType, nullptr,
108 nullptr);
109 REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d",
110 colorType, can, SkToBool(surf));
111
112 surf = SkSurface::MakeFromBackendTextureAsRenderTarget(ctxInfo.grContext(), backendTex,
113 kTopLeft_GrSurfaceOrigin, 1,
114 colorType, nullptr, nullptr);
115 REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d",
116 colorType, can, SkToBool(surf));
117
118 surf.reset();
119 ctxInfo.grContext()->flush();
120 if (backendTex.isValid()) {
121 gpu->deleteTestingOnlyBackendTexture(backendTex);
122 }
123
124 static constexpr int kSampleCnt = 2;
125
126 can = ctxInfo.grContext()->maxSurfaceSampleCountForColorType(colorType) >= kSampleCnt;
127 surf = SkSurface::MakeRenderTarget(ctxInfo.grContext(), SkBudgeted::kYes, info, kSampleCnt,
128 nullptr);
129 REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d",
130 colorType, can, SkToBool(surf));
131
132 backendTex = gpu->createTestingOnlyBackendTexture(nullptr, kSize, kSize, colorType, true,
133 GrMipMapped::kNo);
134 surf = SkSurface::MakeFromBackendTexture(ctxInfo.grContext(), backendTex,
135 kTopLeft_GrSurfaceOrigin, kSampleCnt, colorType,
136 nullptr, nullptr);
137 REPORTER_ASSERT(reporter, can == SkToBool(surf),
138 "colorTypeSupportedAsSurface:%d, surf:%d, ct:%d", can, SkToBool(surf),
139 colorType);
140 // Ensure that the sample count stored on the resulting SkSurface is a valid value.
141 if (surf) {
142 auto* rtc = ((SkSurface_Gpu*)(surf.get()))->getDevice()->accessRenderTargetContext();
143 int storedCnt = rtc->numStencilSamples();
144 int allowedCnt = ctxInfo.grContext()->contextPriv().caps()->getSampleCount(
145 storedCnt, rtc->asSurfaceProxy()->config());
146 REPORTER_ASSERT(reporter, storedCnt == allowedCnt,
147 "Should store an allowed sample count (%d vs %d)", allowedCnt,
148 storedCnt);
149 }
150
151 surf = SkSurface::MakeFromBackendTextureAsRenderTarget(ctxInfo.grContext(), backendTex,
152 kTopLeft_GrSurfaceOrigin, kSampleCnt,
153 colorType, nullptr, nullptr);
154 REPORTER_ASSERT(reporter, can == SkToBool(surf),
155 "colorTypeSupportedAsSurface:%d, surf:%d, ct:%d", can, SkToBool(surf),
156 colorType);
157 if (surf) {
158 auto* rtc = ((SkSurface_Gpu*)(surf.get()))->getDevice()->accessRenderTargetContext();
159 int storedCnt = rtc->numStencilSamples();
160 int allowedCnt = ctxInfo.grContext()->contextPriv().caps()->getSampleCount(
161 storedCnt, rtc->asSurfaceProxy()->config());
162 REPORTER_ASSERT(reporter, storedCnt == allowedCnt,
163 "Should store an allowed sample count (%d vs %d)", allowedCnt,
164 storedCnt);
165 }
166
167 surf.reset();
168 ctxInfo.grContext()->flush();
169 if (backendTex.isValid()) {
170 gpu->deleteTestingOnlyBackendTexture(backendTex);
171 }
172
173 GrBackendRenderTarget backendRenderTarget = gpu->createTestingOnlyBackendRenderTarget(
174 16, 16, SkColorTypeToGrColorType(colorType));
175 can = ctxInfo.grContext()->colorTypeSupportedAsSurface(colorType);
176 surf = SkSurface::MakeFromBackendRenderTarget(ctxInfo.grContext(), backendRenderTarget,
177 kTopLeft_GrSurfaceOrigin, colorType, nullptr,
178 nullptr);
179 REPORTER_ASSERT(reporter, can == SkToBool(surf), "ct: %d, can: %d, surf: %d", colorType,
180 can, SkToBool(surf));
181 surf.reset();
182 ctxInfo.grContext()->flush();
183 if (backendRenderTarget.isValid()) {
184 gpu->deleteTestingOnlyBackendRenderTarget(backendRenderTarget);
185 }
186 }
187 }
188
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_maxSurfaceSamplesForColorType,reporter,ctxInfo)189 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(GrContext_maxSurfaceSamplesForColorType, reporter, ctxInfo) {
190 for (int ct = 0; ct < kLastEnum_SkColorType; ++ct) {
191 static constexpr int kSize = 10;
192
193 SkColorType colorType = static_cast<SkColorType>(ct);
194 int max = ctxInfo.grContext()->maxSurfaceSampleCountForColorType(colorType);
195 if (!max) {
196 continue;
197 }
198 auto* gpu = ctxInfo.grContext()->contextPriv().getGpu();
199 GrBackendTexture backendTex = gpu->createTestingOnlyBackendTexture(
200 nullptr, kSize, kSize, colorType, true, GrMipMapped::kNo);
201 if (!backendTex.isValid()) {
202 continue;
203 }
204 SkScopeExit freeTex([&backendTex, gpu] {gpu->deleteTestingOnlyBackendTexture(backendTex);});
205 auto info = SkImageInfo::Make(kSize, kSize, colorType, kOpaque_SkAlphaType, nullptr);
206 auto surf = SkSurface::MakeFromBackendTexture(ctxInfo.grContext(), backendTex,
207 kTopLeft_GrSurfaceOrigin, max,
208 colorType, nullptr, nullptr);
209 REPORTER_ASSERT(reporter, surf);
210 if (!surf) {
211 continue;
212 }
213 int sampleCnt = ((SkSurface_Gpu*)(surf.get()))
214 ->getDevice()
215 ->accessRenderTargetContext()
216 ->numStencilSamples();
217 REPORTER_ASSERT(reporter, sampleCnt == max, "Exected: %d, actual: %d", max, sampleCnt);
218 }
219 }
220
test_canvas_peek(skiatest::Reporter * reporter,sk_sp<SkSurface> & surface,const SkImageInfo & requestInfo,bool expectPeekSuccess)221 static void test_canvas_peek(skiatest::Reporter* reporter,
222 sk_sp<SkSurface>& surface,
223 const SkImageInfo& requestInfo,
224 bool expectPeekSuccess) {
225 const SkColor color = SK_ColorRED;
226 const SkPMColor pmcolor = SkPreMultiplyColor(color);
227 surface->getCanvas()->clear(color);
228
229 SkPixmap pmap;
230 bool success = surface->getCanvas()->peekPixels(&pmap);
231 REPORTER_ASSERT(reporter, expectPeekSuccess == success);
232
233 SkPixmap pmap2;
234 const void* addr2 = surface->peekPixels(&pmap2) ? pmap2.addr() : nullptr;
235
236 if (success) {
237 REPORTER_ASSERT(reporter, requestInfo == pmap.info());
238 REPORTER_ASSERT(reporter, requestInfo.minRowBytes() <= pmap.rowBytes());
239 REPORTER_ASSERT(reporter, pmcolor == *pmap.addr32());
240
241 REPORTER_ASSERT(reporter, pmap.addr() == pmap2.addr());
242 REPORTER_ASSERT(reporter, pmap.info() == pmap2.info());
243 REPORTER_ASSERT(reporter, pmap.rowBytes() == pmap2.rowBytes());
244 } else {
245 REPORTER_ASSERT(reporter, nullptr == addr2);
246 }
247 }
DEF_TEST(SurfaceCanvasPeek,reporter)248 DEF_TEST(SurfaceCanvasPeek, reporter) {
249 for (auto& surface_func : { &create_surface, &create_direct_surface }) {
250 SkImageInfo requestInfo;
251 auto surface(surface_func(kPremul_SkAlphaType, &requestInfo));
252 test_canvas_peek(reporter, surface, requestInfo, true);
253 }
254 }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCanvasPeek_Gpu,reporter,ctxInfo)255 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCanvasPeek_Gpu, reporter, ctxInfo) {
256 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
257 SkImageInfo requestInfo;
258 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, &requestInfo));
259 test_canvas_peek(reporter, surface, requestInfo, false);
260 }
261 }
262
test_snapshot_alphatype(skiatest::Reporter * reporter,const sk_sp<SkSurface> & surface,SkAlphaType expectedAlphaType)263 static void test_snapshot_alphatype(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface,
264 SkAlphaType expectedAlphaType) {
265 REPORTER_ASSERT(reporter, surface);
266 if (surface) {
267 sk_sp<SkImage> image(surface->makeImageSnapshot());
268 REPORTER_ASSERT(reporter, image);
269 if (image) {
270 REPORTER_ASSERT(reporter, image->alphaType() == expectedAlphaType);
271 }
272 }
273 }
DEF_TEST(SurfaceSnapshotAlphaType,reporter)274 DEF_TEST(SurfaceSnapshotAlphaType, reporter) {
275 for (auto& surface_func : { &create_surface, &create_direct_surface }) {
276 for (auto& at: { kOpaque_SkAlphaType, kPremul_SkAlphaType, kUnpremul_SkAlphaType }) {
277 auto surface(surface_func(at, nullptr));
278 test_snapshot_alphatype(reporter, surface, at);
279 }
280 }
281 }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceSnapshotAlphaType_Gpu,reporter,ctxInfo)282 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceSnapshotAlphaType_Gpu, reporter, ctxInfo) {
283 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
284 // GPU doesn't support creating unpremul surfaces, so only test opaque + premul
285 for (auto& at : { kOpaque_SkAlphaType, kPremul_SkAlphaType }) {
286 auto surface(surface_func(ctxInfo.grContext(), at, nullptr));
287 test_snapshot_alphatype(reporter, surface, at);
288 }
289 }
290 }
291
test_backend_texture_access_copy_on_write(skiatest::Reporter * reporter,SkSurface * surface,SkSurface::BackendHandleAccess access)292 static void test_backend_texture_access_copy_on_write(
293 skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess access) {
294 GrBackendTexture tex1 = surface->getBackendTexture(access);
295 sk_sp<SkImage> snap1(surface->makeImageSnapshot());
296
297 GrBackendTexture tex2 = surface->getBackendTexture(access);
298 sk_sp<SkImage> snap2(surface->makeImageSnapshot());
299
300 // If the access mode triggers CoW, then the backend objects should reflect it.
301 REPORTER_ASSERT(reporter, GrBackendTexture::TestingOnly_Equals(tex1, tex2) == (snap1 == snap2));
302 }
303
test_backend_rendertarget_access_copy_on_write(skiatest::Reporter * reporter,SkSurface * surface,SkSurface::BackendHandleAccess access)304 static void test_backend_rendertarget_access_copy_on_write(
305 skiatest::Reporter* reporter, SkSurface* surface, SkSurface::BackendHandleAccess access) {
306 GrBackendRenderTarget rt1 = surface->getBackendRenderTarget(access);
307 sk_sp<SkImage> snap1(surface->makeImageSnapshot());
308
309 GrBackendRenderTarget rt2 = surface->getBackendRenderTarget(access);
310 sk_sp<SkImage> snap2(surface->makeImageSnapshot());
311
312 // If the access mode triggers CoW, then the backend objects should reflect it.
313 REPORTER_ASSERT(reporter, GrBackendRenderTarget::TestingOnly_Equals(rt1, rt2) ==
314 (snap1 == snap2));
315 }
316
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendSurfaceAccessCopyOnWrite_Gpu,reporter,ctxInfo)317 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendSurfaceAccessCopyOnWrite_Gpu, reporter, ctxInfo) {
318 const SkSurface::BackendHandleAccess accessModes[] = {
319 SkSurface::kFlushRead_BackendHandleAccess,
320 SkSurface::kFlushWrite_BackendHandleAccess,
321 SkSurface::kDiscardWrite_BackendHandleAccess,
322 };
323
324 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
325 for (auto& accessMode : accessModes) {
326 {
327 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
328 test_backend_texture_access_copy_on_write(reporter, surface.get(), accessMode);
329 }
330 {
331 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
332 test_backend_rendertarget_access_copy_on_write(reporter, surface.get(), accessMode);
333 }
334 }
335 }
336 }
337
338 template<typename Type, Type(SkSurface::*func)(SkSurface::BackendHandleAccess)>
test_backend_unique_id(skiatest::Reporter * reporter,SkSurface * surface)339 static void test_backend_unique_id(skiatest::Reporter* reporter, SkSurface* surface) {
340 sk_sp<SkImage> image0(surface->makeImageSnapshot());
341
342 Type obj = (surface->*func)(SkSurface::kFlushRead_BackendHandleAccess);
343 REPORTER_ASSERT(reporter, obj.isValid());
344 sk_sp<SkImage> image1(surface->makeImageSnapshot());
345 // just read access should not affect the snapshot
346 REPORTER_ASSERT(reporter, image0->uniqueID() == image1->uniqueID());
347
348 obj = (surface->*func)(SkSurface::kFlushWrite_BackendHandleAccess);
349 REPORTER_ASSERT(reporter, obj.isValid());
350 sk_sp<SkImage> image2(surface->makeImageSnapshot());
351 // expect a new image, since we claimed we would write
352 REPORTER_ASSERT(reporter, image0->uniqueID() != image2->uniqueID());
353
354 obj = (surface->*func)(SkSurface::kDiscardWrite_BackendHandleAccess);
355 REPORTER_ASSERT(reporter, obj.isValid());
356 sk_sp<SkImage> image3(surface->makeImageSnapshot());
357 // expect a new(er) image, since we claimed we would write
358 REPORTER_ASSERT(reporter, image0->uniqueID() != image3->uniqueID());
359 REPORTER_ASSERT(reporter, image2->uniqueID() != image3->uniqueID());
360 }
361
362 // No CPU test.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendHandleAccessIDs_Gpu,reporter,ctxInfo)363 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBackendHandleAccessIDs_Gpu, reporter, ctxInfo) {
364 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
365 {
366 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
367 test_backend_unique_id<GrBackendTexture, &SkSurface::getBackendTexture>(reporter,
368 surface.get());
369 }
370 {
371 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
372 test_backend_unique_id<GrBackendRenderTarget, &SkSurface::getBackendRenderTarget>(
373 reporter, surface.get());
374 }
375 }
376 }
377
378 // Verify that the right canvas commands trigger a copy on write.
test_copy_on_write(skiatest::Reporter * reporter,SkSurface * surface)379 static void test_copy_on_write(skiatest::Reporter* reporter, SkSurface* surface) {
380 SkCanvas* canvas = surface->getCanvas();
381
382 const SkRect testRect =
383 SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
384 SkIntToScalar(4), SkIntToScalar(5));
385 SkPath testPath;
386 testPath.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0),
387 SkIntToScalar(2), SkIntToScalar(1)));
388
389 const SkIRect testIRect = SkIRect::MakeXYWH(0, 0, 2, 1);
390
391 SkRegion testRegion;
392 testRegion.setRect(testIRect);
393
394
395 const SkColor testColor = 0x01020304;
396 const SkPaint testPaint;
397 const SkPoint testPoints[3] = {
398 {SkIntToScalar(0), SkIntToScalar(0)},
399 {SkIntToScalar(2), SkIntToScalar(1)},
400 {SkIntToScalar(0), SkIntToScalar(2)}
401 };
402 const size_t testPointCount = 3;
403
404 SkBitmap testBitmap;
405 testBitmap.allocN32Pixels(10, 10);
406 testBitmap.eraseColor(0);
407
408 SkRRect testRRect;
409 testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1);
410
411 SkString testText("Hello World");
412
413 #define EXPECT_COPY_ON_WRITE(command) \
414 { \
415 sk_sp<SkImage> imageBefore = surface->makeImageSnapshot(); \
416 sk_sp<SkImage> aur_before(imageBefore); \
417 canvas-> command ; \
418 sk_sp<SkImage> imageAfter = surface->makeImageSnapshot(); \
419 sk_sp<SkImage> aur_after(imageAfter); \
420 REPORTER_ASSERT(reporter, imageBefore != imageAfter); \
421 }
422
423 EXPECT_COPY_ON_WRITE(clear(testColor))
424 EXPECT_COPY_ON_WRITE(drawPaint(testPaint))
425 EXPECT_COPY_ON_WRITE(drawPoints(SkCanvas::kPoints_PointMode, testPointCount, testPoints, \
426 testPaint))
427 EXPECT_COPY_ON_WRITE(drawOval(testRect, testPaint))
428 EXPECT_COPY_ON_WRITE(drawRect(testRect, testPaint))
429 EXPECT_COPY_ON_WRITE(drawRRect(testRRect, testPaint))
430 EXPECT_COPY_ON_WRITE(drawPath(testPath, testPaint))
431 EXPECT_COPY_ON_WRITE(drawBitmap(testBitmap, 0, 0))
432 EXPECT_COPY_ON_WRITE(drawBitmapRect(testBitmap, testRect, nullptr))
433 EXPECT_COPY_ON_WRITE(drawBitmapNine(testBitmap, testIRect, testRect, nullptr))
434 EXPECT_COPY_ON_WRITE(drawString(testText, 0, 1, SkFont(), testPaint))
435 }
DEF_TEST(SurfaceCopyOnWrite,reporter)436 DEF_TEST(SurfaceCopyOnWrite, reporter) {
437 test_copy_on_write(reporter, create_surface().get());
438 }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCopyOnWrite_Gpu,reporter,ctxInfo)439 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCopyOnWrite_Gpu, reporter, ctxInfo) {
440 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
441 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
442 test_copy_on_write(reporter, surface.get());
443 }
444 }
445
test_writable_after_snapshot_release(skiatest::Reporter * reporter,SkSurface * surface)446 static void test_writable_after_snapshot_release(skiatest::Reporter* reporter,
447 SkSurface* surface) {
448 // This test succeeds by not triggering an assertion.
449 // The test verifies that the surface remains writable (usable) after
450 // acquiring and releasing a snapshot without triggering a copy on write.
451 SkCanvas* canvas = surface->getCanvas();
452 canvas->clear(1);
453 surface->makeImageSnapshot(); // Create and destroy SkImage
454 canvas->clear(2); // Must not assert internally
455 }
DEF_TEST(SurfaceWriteableAfterSnapshotRelease,reporter)456 DEF_TEST(SurfaceWriteableAfterSnapshotRelease, reporter) {
457 test_writable_after_snapshot_release(reporter, create_surface().get());
458 }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceWriteableAfterSnapshotRelease_Gpu,reporter,ctxInfo)459 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceWriteableAfterSnapshotRelease_Gpu, reporter, ctxInfo) {
460 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
461 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
462 test_writable_after_snapshot_release(reporter, surface.get());
463 }
464 }
465
test_crbug263329(skiatest::Reporter * reporter,SkSurface * surface1,SkSurface * surface2)466 static void test_crbug263329(skiatest::Reporter* reporter,
467 SkSurface* surface1,
468 SkSurface* surface2) {
469 // This is a regression test for crbug.com/263329
470 // Bug was caused by onCopyOnWrite releasing the old surface texture
471 // back to the scratch texture pool even though the texture is used
472 // by and active SkImage_Gpu.
473 SkCanvas* canvas1 = surface1->getCanvas();
474 SkCanvas* canvas2 = surface2->getCanvas();
475 canvas1->clear(1);
476 sk_sp<SkImage> image1(surface1->makeImageSnapshot());
477 // Trigger copy on write, new backing is a scratch texture
478 canvas1->clear(2);
479 sk_sp<SkImage> image2(surface1->makeImageSnapshot());
480 // Trigger copy on write, old backing should not be returned to scratch
481 // pool because it is held by image2
482 canvas1->clear(3);
483
484 canvas2->clear(4);
485 sk_sp<SkImage> image3(surface2->makeImageSnapshot());
486 // Trigger copy on write on surface2. The new backing store should not
487 // be recycling a texture that is held by an existing image.
488 canvas2->clear(5);
489 sk_sp<SkImage> image4(surface2->makeImageSnapshot());
490 REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image3)->getTexture());
491 // The following assertion checks crbug.com/263329
492 REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image2)->getTexture());
493 REPORTER_ASSERT(reporter, as_IB(image4)->getTexture() != as_IB(image1)->getTexture());
494 REPORTER_ASSERT(reporter, as_IB(image3)->getTexture() != as_IB(image2)->getTexture());
495 REPORTER_ASSERT(reporter, as_IB(image3)->getTexture() != as_IB(image1)->getTexture());
496 REPORTER_ASSERT(reporter, as_IB(image2)->getTexture() != as_IB(image1)->getTexture());
497 }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCRBug263329_Gpu,reporter,ctxInfo)498 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceCRBug263329_Gpu, reporter, ctxInfo) {
499 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
500 auto surface1(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
501 auto surface2(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
502 test_crbug263329(reporter, surface1.get(), surface2.get());
503 }
504 }
505
DEF_TEST(SurfaceGetTexture,reporter)506 DEF_TEST(SurfaceGetTexture, reporter) {
507 auto surface(create_surface());
508 sk_sp<SkImage> image(surface->makeImageSnapshot());
509 REPORTER_ASSERT(reporter, !as_IB(image)->isTextureBacked());
510 surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
511 REPORTER_ASSERT(reporter, !as_IB(image)->isTextureBacked());
512 }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacepeekTexture_Gpu,reporter,ctxInfo)513 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacepeekTexture_Gpu, reporter, ctxInfo) {
514 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
515 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
516 sk_sp<SkImage> image(surface->makeImageSnapshot());
517
518 REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked());
519 GrBackendTexture backendTex = image->getBackendTexture(false);
520 REPORTER_ASSERT(reporter, backendTex.isValid());
521 surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode);
522 REPORTER_ASSERT(reporter, as_IB(image)->isTextureBacked());
523 GrBackendTexture backendTex2 = image->getBackendTexture(false);
524 REPORTER_ASSERT(reporter, GrBackendTexture::TestingOnly_Equals(backendTex, backendTex2));
525 }
526 }
527
is_budgeted(const sk_sp<SkSurface> & surf)528 static SkBudgeted is_budgeted(const sk_sp<SkSurface>& surf) {
529 SkSurface_Gpu* gsurf = (SkSurface_Gpu*)surf.get();
530
531 GrRenderTargetProxy* proxy = gsurf->getDevice()->accessRenderTargetContext()
532 ->asRenderTargetProxy();
533 return proxy->isBudgeted();
534 }
535
is_budgeted(SkImage * image)536 static SkBudgeted is_budgeted(SkImage* image) {
537 return ((SkImage_Gpu*)image)->peekProxy()->isBudgeted();
538 }
539
is_budgeted(const sk_sp<SkImage> image)540 static SkBudgeted is_budgeted(const sk_sp<SkImage> image) {
541 return is_budgeted(image.get());
542 }
543
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBudget,reporter,ctxInfo)544 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceBudget, reporter, ctxInfo) {
545 SkImageInfo info = SkImageInfo::MakeN32Premul(8,8);
546 for (auto budgeted : { SkBudgeted::kNo, SkBudgeted::kYes }) {
547 auto surface(SkSurface::MakeRenderTarget(ctxInfo.grContext(), budgeted, info));
548 SkASSERT(surface);
549 REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface));
550
551 sk_sp<SkImage> image(surface->makeImageSnapshot());
552
553 // Initially the image shares a texture with the surface, and the
554 // the budgets should always match.
555 REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface));
556 REPORTER_ASSERT(reporter, budgeted == is_budgeted(image));
557
558 // Now trigger copy-on-write
559 surface->getCanvas()->clear(SK_ColorBLUE);
560
561 // They don't share a texture anymore but the budgets should still match.
562 REPORTER_ASSERT(reporter, budgeted == is_budgeted(surface));
563 REPORTER_ASSERT(reporter, budgeted == is_budgeted(image));
564 }
565 }
566
test_no_canvas1(skiatest::Reporter * reporter,SkSurface * surface,SkSurface::ContentChangeMode mode)567 static void test_no_canvas1(skiatest::Reporter* reporter,
568 SkSurface* surface,
569 SkSurface::ContentChangeMode mode) {
570 // Test passes by not asserting
571 surface->notifyContentWillChange(mode);
572 }
test_no_canvas2(skiatest::Reporter * reporter,SkSurface * surface,SkSurface::ContentChangeMode mode)573 static void test_no_canvas2(skiatest::Reporter* reporter,
574 SkSurface* surface,
575 SkSurface::ContentChangeMode mode) {
576 // Verifies the robustness of SkSurface for handling use cases where calls
577 // are made before a canvas is created.
578 sk_sp<SkImage> image1 = surface->makeImageSnapshot();
579 sk_sp<SkImage> aur_image1(image1);
580 surface->notifyContentWillChange(mode);
581 sk_sp<SkImage> image2 = surface->makeImageSnapshot();
582 sk_sp<SkImage> aur_image2(image2);
583 REPORTER_ASSERT(reporter, image1 != image2);
584 }
DEF_TEST(SurfaceNoCanvas,reporter)585 DEF_TEST(SurfaceNoCanvas, reporter) {
586 SkSurface::ContentChangeMode modes[] =
587 { SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode};
588 for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) {
589 for (auto& mode : modes) {
590 test_func(reporter, create_surface().get(), mode);
591 }
592 }
593 }
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceNoCanvas_Gpu,reporter,ctxInfo)594 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfaceNoCanvas_Gpu, reporter, ctxInfo) {
595 SkSurface::ContentChangeMode modes[] =
596 { SkSurface::kDiscard_ContentChangeMode, SkSurface::kRetain_ContentChangeMode};
597 for (auto& surface_func : { &create_gpu_surface, &create_gpu_scratch_surface }) {
598 for (auto& test_func : { &test_no_canvas1, &test_no_canvas2 }) {
599 for (auto& mode : modes) {
600 auto surface(surface_func(ctxInfo.grContext(), kPremul_SkAlphaType, nullptr));
601 test_func(reporter, surface.get(), mode);
602 }
603 }
604 }
605 }
606
check_rowbytes_remain_consistent(SkSurface * surface,skiatest::Reporter * reporter)607 static void check_rowbytes_remain_consistent(SkSurface* surface, skiatest::Reporter* reporter) {
608 SkPixmap surfacePM;
609 REPORTER_ASSERT(reporter, surface->peekPixels(&surfacePM));
610
611 sk_sp<SkImage> image(surface->makeImageSnapshot());
612 SkPixmap pm;
613 REPORTER_ASSERT(reporter, image->peekPixels(&pm));
614
615 REPORTER_ASSERT(reporter, surfacePM.rowBytes() == pm.rowBytes());
616
617 // trigger a copy-on-write
618 surface->getCanvas()->drawPaint(SkPaint());
619 sk_sp<SkImage> image2(surface->makeImageSnapshot());
620 REPORTER_ASSERT(reporter, image->uniqueID() != image2->uniqueID());
621
622 SkPixmap pm2;
623 REPORTER_ASSERT(reporter, image2->peekPixels(&pm2));
624 REPORTER_ASSERT(reporter, pm2.rowBytes() == pm.rowBytes());
625 }
626
DEF_TEST(surface_rowbytes,reporter)627 DEF_TEST(surface_rowbytes, reporter) {
628 const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
629
630 auto surf0(SkSurface::MakeRaster(info));
631 check_rowbytes_remain_consistent(surf0.get(), reporter);
632
633 // specify a larger rowbytes
634 auto surf1(SkSurface::MakeRaster(info, 500, nullptr));
635 check_rowbytes_remain_consistent(surf1.get(), reporter);
636
637 // Try some illegal rowByte values
638 auto s = SkSurface::MakeRaster(info, 396, nullptr); // needs to be at least 400
639 REPORTER_ASSERT(reporter, nullptr == s);
640 s = SkSurface::MakeRaster(info, std::numeric_limits<size_t>::max(), nullptr);
641 REPORTER_ASSERT(reporter, nullptr == s);
642 }
643
DEF_TEST(surface_raster_zeroinitialized,reporter)644 DEF_TEST(surface_raster_zeroinitialized, reporter) {
645 sk_sp<SkSurface> s(SkSurface::MakeRasterN32Premul(100, 100));
646 SkPixmap pixmap;
647 REPORTER_ASSERT(reporter, s->peekPixels(&pixmap));
648
649 for (int i = 0; i < pixmap.info().width(); ++i) {
650 for (int j = 0; j < pixmap.info().height(); ++j) {
651 REPORTER_ASSERT(reporter, *pixmap.addr32(i, j) == 0);
652 }
653 }
654 }
655
create_gpu_surface_backend_texture(GrContext * context,int sampleCnt,uint32_t color,GrBackendTexture * outTexture)656 static sk_sp<SkSurface> create_gpu_surface_backend_texture(
657 GrContext* context, int sampleCnt, uint32_t color, GrBackendTexture* outTexture) {
658 GrGpu* gpu = context->contextPriv().getGpu();
659
660 // On Pixel and Pixel2XL's with Adreno 530 and 540s, setting width and height to 10s reliably
661 // triggers what appears to be a driver race condition where the 10x10 surface from the
662 // OverdrawSurface_gpu test is reused(?) for this surface created by the SurfacePartialDraw_gpu
663 // test.
664 //
665 // Immediately after creation of this surface, readback shows the correct initial solid color.
666 // However, sometime before content is rendered into the upper half of the surface, the driver
667 // presumably cleans up the OverdrawSurface_gpu's memory which corrupts this color buffer. The
668 // top half of the surface is fine after the partially-covering rectangle is drawn, but the
669 // untouched bottom half contains random pixel values that trigger asserts in the
670 // SurfacePartialDraw_gpu test for no longer matching the initial color. Running the
671 // SurfacePartialDraw_gpu test without the OverdrawSurface_gpu test completes successfully.
672 //
673 // Requesting a much larger backend texture size seems to prevent it from reusing the same
674 // memory and avoids the issue.
675 #if defined(SK_BUILD_FOR_SKQP)
676 const int kWidth = 10;
677 const int kHeight = 10;
678 #else
679 const int kWidth = 100;
680 const int kHeight = 100;
681 #endif
682
683 std::unique_ptr<uint32_t[]> pixels(new uint32_t[kWidth * kHeight]);
684 sk_memset32(pixels.get(), color, kWidth * kHeight);
685
686 *outTexture = gpu->createTestingOnlyBackendTexture(
687 pixels.get(), kWidth, kHeight, GrColorType::kRGBA_8888, true, GrMipMapped::kNo);
688
689 if (!outTexture->isValid() || !gpu->isTestingOnlyBackendTexture(*outTexture)) {
690 return nullptr;
691 }
692
693 sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTexture(context, *outTexture,
694 kTopLeft_GrSurfaceOrigin, sampleCnt,
695 kRGBA_8888_SkColorType,
696 nullptr, nullptr);
697 if (!surface) {
698 gpu->deleteTestingOnlyBackendTexture(*outTexture);
699 return nullptr;
700 }
701 return surface;
702 }
703
create_gpu_surface_backend_texture_as_render_target(GrContext * context,int sampleCnt,uint32_t color,GrBackendTexture * outTexture)704 static sk_sp<SkSurface> create_gpu_surface_backend_texture_as_render_target(
705 GrContext* context, int sampleCnt, uint32_t color, GrBackendTexture* outTexture) {
706 GrGpu* gpu = context->contextPriv().getGpu();
707
708 const int kWidth = 10;
709 const int kHeight = 10;
710 std::unique_ptr<uint32_t[]> pixels(new uint32_t[kWidth * kHeight]);
711 sk_memset32(pixels.get(), color, kWidth * kHeight);
712
713 *outTexture = gpu->createTestingOnlyBackendTexture(
714 pixels.get(), kWidth, kHeight, GrColorType::kRGBA_8888, true, GrMipMapped::kNo, 0);
715
716 if (!outTexture->isValid() || !gpu->isTestingOnlyBackendTexture(*outTexture)) {
717 return nullptr;
718 }
719
720 sk_sp<SkSurface> surface = SkSurface::MakeFromBackendTextureAsRenderTarget(
721 context, *outTexture, kTopLeft_GrSurfaceOrigin, sampleCnt, kRGBA_8888_SkColorType,
722 nullptr, nullptr);
723
724 if (!surface) {
725 gpu->deleteTestingOnlyBackendTexture(*outTexture);
726 return nullptr;
727 }
728 return surface;
729 }
730
test_surface_clear(skiatest::Reporter * reporter,sk_sp<SkSurface> surface,std::function<sk_sp<GrSurfaceContext> (SkSurface *)> grSurfaceGetter,uint32_t expectedValue)731 static void test_surface_clear(skiatest::Reporter* reporter, sk_sp<SkSurface> surface,
732 std::function<sk_sp<GrSurfaceContext>(SkSurface*)> grSurfaceGetter,
733 uint32_t expectedValue) {
734 if (!surface) {
735 ERRORF(reporter, "Could not create GPU SkSurface.");
736 return;
737 }
738 int w = surface->width();
739 int h = surface->height();
740 std::unique_ptr<uint32_t[]> pixels(new uint32_t[w * h]);
741 sk_memset32(pixels.get(), ~expectedValue, w * h);
742
743 sk_sp<GrSurfaceContext> grSurfaceContext(grSurfaceGetter(surface.get()));
744 if (!grSurfaceContext) {
745 ERRORF(reporter, "Could access render target of GPU SkSurface.");
746 return;
747 }
748 surface.reset();
749
750 SkImageInfo ii = SkImageInfo::Make(w, h, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
751 grSurfaceContext->readPixels(ii, pixels.get(), 0, 0, 0);
752 for (int y = 0; y < h; ++y) {
753 for (int x = 0; x < w; ++x) {
754 uint32_t pixel = pixels.get()[y * w + x];
755 if (pixel != expectedValue) {
756 SkString msg;
757 if (expectedValue) {
758 msg = "SkSurface should have left render target unmodified";
759 } else {
760 msg = "SkSurface should have cleared the render target";
761 }
762 ERRORF(reporter,
763 "%s but read 0x%08x (instead of 0x%08x) at %x,%d", msg.c_str(), pixel,
764 expectedValue, x, y);
765 return;
766 }
767 }
768 }
769 }
770
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceClear_Gpu,reporter,ctxInfo)771 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceClear_Gpu, reporter, ctxInfo) {
772 GrContext* context = ctxInfo.grContext();
773 GrGpu* gpu = context->contextPriv().getGpu();
774
775 std::function<sk_sp<GrSurfaceContext>(SkSurface*)> grSurfaceContextGetters[] = {
776 [] (SkSurface* s){
777 return sk_ref_sp(s->getCanvas()->internal_private_accessTopLayerRenderTargetContext());
778 },
779 [] (SkSurface* s){
780 sk_sp<SkImage> i(s->makeImageSnapshot());
781 SkImage_Gpu* gpuImage = (SkImage_Gpu *) as_IB(i);
782 sk_sp<GrTextureProxy> proxy = gpuImage->asTextureProxyRef();
783 GrContext* context = gpuImage->context();
784 return context->contextPriv().makeWrappedSurfaceContext(std::move(proxy),
785 gpuImage->refColorSpace());
786 }
787 };
788
789 for (auto grSurfaceGetter : grSurfaceContextGetters) {
790 // Test that non-wrapped RTs are created clear.
791 for (auto& surface_func : {&create_gpu_surface, &create_gpu_scratch_surface}) {
792 auto surface = surface_func(context, kPremul_SkAlphaType, nullptr);
793 test_surface_clear(reporter, surface, grSurfaceGetter, 0x0);
794 }
795 // Wrapped RTs are *not* supposed to clear (to allow client to partially update a surface).
796 const uint32_t kOrigColor = 0xABABABAB;
797 for (auto& surfaceFunc : {&create_gpu_surface_backend_texture,
798 &create_gpu_surface_backend_texture_as_render_target}) {
799 GrBackendTexture backendTex;
800 auto surface = surfaceFunc(context, 1, kOrigColor, &backendTex);
801 test_surface_clear(reporter, surface, grSurfaceGetter, kOrigColor);
802 surface.reset();
803 gpu->deleteTestingOnlyBackendTexture(backendTex);
804 }
805 }
806 }
807
test_surface_draw_partially(skiatest::Reporter * reporter,sk_sp<SkSurface> surface,uint32_t origColor)808 static void test_surface_draw_partially(
809 skiatest::Reporter* reporter, sk_sp<SkSurface> surface, uint32_t origColor) {
810 const int kW = surface->width();
811 const int kH = surface->height();
812 SkPaint paint;
813 const SkColor kRectColor = ~origColor | 0xFF000000;
814 paint.setColor(kRectColor);
815 surface->getCanvas()->drawRect(SkRect::MakeWH(SkIntToScalar(kW), SkIntToScalar(kH)/2),
816 paint);
817 std::unique_ptr<uint32_t[]> pixels(new uint32_t[kW * kH]);
818 sk_memset32(pixels.get(), ~origColor, kW * kH);
819 // Read back RGBA to avoid format conversions that may not be supported on all platforms.
820 SkImageInfo readInfo = SkImageInfo::Make(kW, kH, kRGBA_8888_SkColorType, kPremul_SkAlphaType);
821 SkAssertResult(surface->readPixels(readInfo, pixels.get(), kW * sizeof(uint32_t), 0, 0));
822 bool stop = false;
823 SkPMColor origColorPM = SkPackARGB_as_RGBA((origColor >> 24 & 0xFF),
824 (origColor >> 0 & 0xFF),
825 (origColor >> 8 & 0xFF),
826 (origColor >> 16 & 0xFF));
827 SkPMColor rectColorPM = SkPackARGB_as_RGBA((kRectColor >> 24 & 0xFF),
828 (kRectColor >> 16 & 0xFF),
829 (kRectColor >> 8 & 0xFF),
830 (kRectColor >> 0 & 0xFF));
831 for (int y = 0; y < kH/2 && !stop; ++y) {
832 for (int x = 0; x < kW && !stop; ++x) {
833 REPORTER_ASSERT(reporter, rectColorPM == pixels[x + y * kW]);
834 if (rectColorPM != pixels[x + y * kW]) {
835 stop = true;
836 }
837 }
838 }
839 stop = false;
840 for (int y = kH/2; y < kH && !stop; ++y) {
841 for (int x = 0; x < kW && !stop; ++x) {
842 REPORTER_ASSERT(reporter, origColorPM == pixels[x + y * kW]);
843 if (origColorPM != pixels[x + y * kW]) {
844 stop = true;
845 }
846 }
847 }
848 }
849
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacePartialDraw_Gpu,reporter,ctxInfo)850 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SurfacePartialDraw_Gpu, reporter, ctxInfo) {
851 GrGpu* gpu = ctxInfo.grContext()->contextPriv().getGpu();
852 if (!gpu) {
853 return;
854 }
855 static const uint32_t kOrigColor = 0xFFAABBCC;
856
857 for (auto& surfaceFunc : {&create_gpu_surface_backend_texture,
858 &create_gpu_surface_backend_texture_as_render_target}) {
859 // Validate that we can draw to the canvas and that the original texture color is
860 // preserved in pixels that aren't rendered to via the surface.
861 // This works only for non-multisampled case.
862 GrBackendTexture backendTex;
863 auto surface = surfaceFunc(ctxInfo.grContext(), 1, kOrigColor, &backendTex);
864 if (surface) {
865 test_surface_draw_partially(reporter, surface, kOrigColor);
866 surface.reset();
867 gpu->deleteTestingOnlyBackendTexture(backendTex);
868 }
869 }
870 }
871
872
DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAttachStencil_Gpu,reporter,ctxInfo)873 DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(SurfaceAttachStencil_Gpu, reporter, ctxInfo) {
874 GrGpu* gpu = ctxInfo.grContext()->contextPriv().getGpu();
875 if (!gpu) {
876 return;
877 }
878 if (gpu->caps()->avoidStencilBuffers()) {
879 return;
880 }
881 static const uint32_t kOrigColor = 0xFFAABBCC;
882
883 auto resourceProvider = ctxInfo.grContext()->contextPriv().resourceProvider();
884
885 for (auto& surfaceFunc : {&create_gpu_surface_backend_texture,
886 &create_gpu_surface_backend_texture_as_render_target}) {
887 for (int sampleCnt : {1, 4, 8}) {
888 GrBackendTexture backendTex;
889 auto surface = surfaceFunc(ctxInfo.grContext(), sampleCnt, kOrigColor, &backendTex);
890
891 if (!surface && sampleCnt > 1) {
892 // Certain platforms don't support MSAA, skip these.
893 continue;
894 }
895
896 // Validate that we can attach a stencil buffer to an SkSurface created by either of
897 // our surface functions.
898 GrRenderTarget* rt = surface->getCanvas()
899 ->internal_private_accessTopLayerRenderTargetContext()->accessRenderTarget();
900 REPORTER_ASSERT(reporter, resourceProvider->attachStencilAttachment(rt));
901 gpu->deleteTestingOnlyBackendTexture(backendTex);
902 }
903 }
904 }
905
test_overdraw_surface(skiatest::Reporter * r,SkSurface * surface)906 static void test_overdraw_surface(skiatest::Reporter* r, SkSurface* surface) {
907 SkOverdrawCanvas canvas(surface->getCanvas());
908 canvas.drawPaint(SkPaint());
909 sk_sp<SkImage> image = surface->makeImageSnapshot();
910
911 SkBitmap bitmap;
912 image->asLegacyBitmap(&bitmap);
913 for (int y = 0; y < 10; y++) {
914 for (int x = 0; x < 10; x++) {
915 REPORTER_ASSERT(r, 1 == SkGetPackedA32(*bitmap.getAddr32(x, y)));
916 }
917 }
918 }
919
DEF_TEST(OverdrawSurface_Raster,r)920 DEF_TEST(OverdrawSurface_Raster, r) {
921 sk_sp<SkSurface> surface = create_surface();
922 test_overdraw_surface(r, surface.get());
923 }
924
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(OverdrawSurface_Gpu,r,ctxInfo)925 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(OverdrawSurface_Gpu, r, ctxInfo) {
926 GrContext* context = ctxInfo.grContext();
927 sk_sp<SkSurface> surface = create_gpu_surface(context);
928 test_overdraw_surface(r, surface.get());
929 }
930
DEF_TEST(Surface_null,r)931 DEF_TEST(Surface_null, r) {
932 REPORTER_ASSERT(r, SkSurface::MakeNull(0, 0) == nullptr);
933
934 const int w = 37;
935 const int h = 1000;
936 auto surf = SkSurface::MakeNull(w, h);
937 auto canvas = surf->getCanvas();
938
939 canvas->drawPaint(SkPaint()); // should not crash, but don't expect anything to draw
940 REPORTER_ASSERT(r, surf->makeImageSnapshot() == nullptr);
941 }
942
943 // assert: if a given imageinfo is valid for a surface, then it must be valid for an image
944 // (so the snapshot can succeed)
DEF_TEST(surface_image_unity,reporter)945 DEF_TEST(surface_image_unity, reporter) {
946 auto do_test = [reporter](const SkImageInfo& info) {
947 size_t rowBytes = info.minRowBytes();
948 auto surf = SkSurface::MakeRaster(info, rowBytes, nullptr);
949 if (surf) {
950 auto img = surf->makeImageSnapshot();
951 if (!img && false) { // change to true to document the differences
952 SkDebugf("image failed: [%08X %08X] %14s %s\n",
953 info.width(), info.height(),
954 sk_tool_utils::colortype_name(info.colorType()),
955 sk_tool_utils::alphatype_name(info.alphaType()));
956 return;
957 }
958 REPORTER_ASSERT(reporter, img != nullptr);
959
960 char dummyPixel = 0; // just need a valid address (not a valid size)
961 SkPixmap pmap = { info, &dummyPixel, rowBytes };
962 img = SkImage::MakeFromRaster(pmap, nullptr, nullptr);
963 REPORTER_ASSERT(reporter, img != nullptr);
964 }
965 };
966
967 const int32_t sizes[] = { -1, 0, 1, 1 << 18 };
968 for (int cti = 0; cti <= kLastEnum_SkColorType; ++cti) {
969 SkColorType ct = static_cast<SkColorType>(cti);
970 for (int ati = 0; ati <= kLastEnum_SkAlphaType; ++ati) {
971 SkAlphaType at = static_cast<SkAlphaType>(ati);
972 for (int32_t size : sizes) {
973 do_test(SkImageInfo::Make(1, size, ct, at));
974 do_test(SkImageInfo::Make(size, 1, ct, at));
975 }
976 }
977 }
978 }
979