/* * Copyright 2013 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "SkCanvas.h" #include "SkData.h" #include "SkImageEncoder.h" #include "SkRRect.h" #include "SkSurface.h" #include "SkUtils.h" #include "Test.h" #if SK_SUPPORT_GPU #include "GrContextFactory.h" #else class GrContextFactory; class GrContext; #endif enum SurfaceType { kRaster_SurfaceType, kRasterDirect_SurfaceType, kGpu_SurfaceType, kGpuScratch_SurfaceType, }; static void release_storage(void* pixels, void* context) { SkASSERT(pixels == context); sk_free(pixels); } static SkSurface* createSurface(SurfaceType surfaceType, GrContext* context, SkImageInfo* requestedInfo = NULL) { static const SkImageInfo info = SkImageInfo::MakeN32Premul(10, 10); if (requestedInfo) { *requestedInfo = info; } switch (surfaceType) { case kRaster_SurfaceType: return SkSurface::NewRaster(info); case kRasterDirect_SurfaceType: { const size_t rowBytes = info.minRowBytes(); void* storage = sk_malloc_throw(info.getSafeSize(rowBytes)); return SkSurface::NewRasterDirectReleaseProc(info, storage, rowBytes, release_storage, storage); } case kGpu_SurfaceType: return SkSurface::NewRenderTarget(context, SkSurface::kNo_Budgeted, info, 0, NULL); case kGpuScratch_SurfaceType: return SkSurface::NewRenderTarget(context, SkSurface::kYes_Budgeted, info, 0, NULL); } return NULL; } enum ImageType { kRasterCopy_ImageType, kRasterData_ImageType, kGpu_ImageType, kCodec_ImageType, }; #include "SkImageGenerator.h" class EmptyGenerator : public SkImageGenerator { public: EmptyGenerator() : SkImageGenerator(SkImageInfo::MakeN32Premul(0, 0)) {} }; static void test_empty_image(skiatest::Reporter* reporter) { const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType); REPORTER_ASSERT(reporter, NULL == SkImage::NewRasterCopy(info, NULL, 0)); REPORTER_ASSERT(reporter, NULL == SkImage::NewRasterData(info, NULL, 0)); REPORTER_ASSERT(reporter, NULL == SkImage::NewFromGenerator(SkNEW(EmptyGenerator))); } static void test_empty_surface(skiatest::Reporter* reporter, GrContext* ctx) { const SkImageInfo info = SkImageInfo::Make(0, 0, kN32_SkColorType, kPremul_SkAlphaType); REPORTER_ASSERT(reporter, NULL == SkSurface::NewRaster(info)); REPORTER_ASSERT(reporter, NULL == SkSurface::NewRasterDirect(info, NULL, 0)); if (ctx) { REPORTER_ASSERT(reporter, NULL == SkSurface::NewRenderTarget(ctx, SkSurface::kNo_Budgeted, info, 0, NULL)); } } #if SK_SUPPORT_GPU static void test_wrapped_texture_surface(skiatest::Reporter* reporter, GrContext* ctx) { if (NULL == ctx) { return; } // Test the wrapped factory for SkSurface by creating a texture using ctx and then treat it as // an external texture and wrap it in a SkSurface. GrSurfaceDesc texDesc; texDesc.fConfig = kRGBA_8888_GrPixelConfig; texDesc.fFlags = kRenderTarget_GrSurfaceFlag; texDesc.fWidth = texDesc.fHeight = 100; texDesc.fSampleCnt = 0; texDesc.fOrigin = kTopLeft_GrSurfaceOrigin; SkAutoTUnref<GrSurface> dummySurface(ctx->textureProvider()->createTexture(texDesc, false)); REPORTER_ASSERT(reporter, dummySurface && dummySurface->asTexture() && dummySurface->asRenderTarget()); if (!dummySurface || !dummySurface->asTexture() || !dummySurface->asRenderTarget()) { return; } GrBackendObject textureHandle = dummySurface->asTexture()->getTextureHandle(); GrBackendTextureDesc wrappedDesc; wrappedDesc.fConfig = dummySurface->config(); wrappedDesc.fWidth = dummySurface->width(); wrappedDesc.fHeight = dummySurface->height(); wrappedDesc.fOrigin = dummySurface->origin(); wrappedDesc.fSampleCnt = dummySurface->asRenderTarget()->numSamples(); wrappedDesc.fFlags = kRenderTarget_GrBackendTextureFlag; wrappedDesc.fTextureHandle = textureHandle; SkAutoTUnref<SkSurface> surface(SkSurface::NewWrappedRenderTarget(ctx, wrappedDesc, NULL)); REPORTER_ASSERT(reporter, surface); } #endif static void test_image(skiatest::Reporter* reporter) { SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1); size_t rowBytes = info.minRowBytes(); size_t size = info.getSafeSize(rowBytes); SkData* data = SkData::NewUninitialized(size); REPORTER_ASSERT(reporter, data->unique()); SkImage* image = SkImage::NewRasterData(info, data, rowBytes); REPORTER_ASSERT(reporter, !data->unique()); image->unref(); REPORTER_ASSERT(reporter, data->unique()); data->unref(); } static SkImage* createImage(ImageType imageType, GrContext* context, SkColor color) { const SkPMColor pmcolor = SkPreMultiplyColor(color); const SkImageInfo info = SkImageInfo::MakeN32Premul(10, 10); const size_t rowBytes = info.minRowBytes(); const size_t size = rowBytes * info.height(); SkAutoTUnref<SkData> data(SkData::NewUninitialized(size)); void* addr = data->writable_data(); sk_memset32((SkPMColor*)addr, pmcolor, SkToInt(size >> 2)); switch (imageType) { case kRasterCopy_ImageType: return SkImage::NewRasterCopy(info, addr, rowBytes); case kRasterData_ImageType: return SkImage::NewRasterData(info, data, rowBytes); case kGpu_ImageType: { SkAutoTUnref<SkSurface> surf( SkSurface::NewRenderTarget(context, SkSurface::kNo_Budgeted, info, 0)); surf->getCanvas()->clear(color); return surf->newImageSnapshot(); } case kCodec_ImageType: { SkBitmap bitmap; bitmap.installPixels(info, addr, rowBytes); SkAutoTUnref<SkData> src( SkImageEncoder::EncodeData(bitmap, SkImageEncoder::kPNG_Type, 100)); return SkImage::NewFromData(src); } } SkASSERT(false); return NULL; } static void set_pixels(SkPMColor pixels[], int count, SkPMColor color) { sk_memset32(pixels, color, count); } static bool has_pixels(const SkPMColor pixels[], int count, SkPMColor expected) { for (int i = 0; i < count; ++i) { if (pixels[i] != expected) { return false; } } return true; } static void test_image_readpixels(skiatest::Reporter* reporter, SkImage* image, SkPMColor expected) { const SkPMColor notExpected = ~expected; const int w = 2, h = 2; const size_t rowBytes = w * sizeof(SkPMColor); SkPMColor pixels[w*h]; SkImageInfo info; info = SkImageInfo::MakeUnknown(w, h); REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, 0)); // out-of-bounds should fail info = SkImageInfo::MakeN32Premul(w, h); REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, -w, 0)); REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, -h)); REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, image->width(), 0)); REPORTER_ASSERT(reporter, !image->readPixels(info, pixels, rowBytes, 0, image->height())); // top-left should succeed set_pixels(pixels, w*h, notExpected); REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, 0, 0)); REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected)); // bottom-right should succeed set_pixels(pixels, w*h, notExpected); REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, image->width() - w, image->height() - h)); REPORTER_ASSERT(reporter, has_pixels(pixels, w*h, expected)); // partial top-left should succeed set_pixels(pixels, w*h, notExpected); REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, -1, -1)); REPORTER_ASSERT(reporter, pixels[3] == expected); REPORTER_ASSERT(reporter, has_pixels(pixels, w*h - 1, notExpected)); // partial bottom-right should succeed set_pixels(pixels, w*h, notExpected); REPORTER_ASSERT(reporter, image->readPixels(info, pixels, rowBytes, image->width() - 1, image->height() - 1)); REPORTER_ASSERT(reporter, pixels[0] == expected); REPORTER_ASSERT(reporter, has_pixels(&pixels[1], w*h - 1, notExpected)); } static void test_imagepeek(skiatest::Reporter* reporter, GrContextFactory* factory) { static const struct { ImageType fType; bool fPeekShouldSucceed; const char* fName; } gRec[] = { { kRasterCopy_ImageType, true, "RasterCopy" }, { kRasterData_ImageType, true, "RasterData" }, { kGpu_ImageType, false, "Gpu" }, { kCodec_ImageType, false, "Codec" }, }; const SkColor color = SK_ColorRED; const SkPMColor pmcolor = SkPreMultiplyColor(color); GrContext* ctx = NULL; #if SK_SUPPORT_GPU ctx = factory->get(GrContextFactory::kNative_GLContextType); if (NULL == ctx) { return; } #endif for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) { SkImageInfo info; size_t rowBytes; SkAutoTUnref<SkImage> image(createImage(gRec[i].fType, ctx, color)); if (!image.get()) { SkDebugf("failed to createImage[%d] %s\n", i, gRec[i].fName); continue; // gpu may not be enabled } const void* addr = image->peekPixels(&info, &rowBytes); bool success = SkToBool(addr); REPORTER_ASSERT(reporter, gRec[i].fPeekShouldSucceed == success); if (success) { REPORTER_ASSERT(reporter, 10 == info.width()); REPORTER_ASSERT(reporter, 10 == info.height()); REPORTER_ASSERT(reporter, kN32_SkColorType == info.colorType()); REPORTER_ASSERT(reporter, kPremul_SkAlphaType == info.alphaType() || kOpaque_SkAlphaType == info.alphaType()); REPORTER_ASSERT(reporter, info.minRowBytes() <= rowBytes); REPORTER_ASSERT(reporter, pmcolor == *(const SkPMColor*)addr); } test_image_readpixels(reporter, image, pmcolor); } } static void test_canvaspeek(skiatest::Reporter* reporter, GrContextFactory* factory) { static const struct { SurfaceType fType; bool fPeekShouldSucceed; } gRec[] = { { kRaster_SurfaceType, true }, { kRasterDirect_SurfaceType, true }, #if SK_SUPPORT_GPU { kGpu_SurfaceType, false }, { kGpuScratch_SurfaceType, false }, #endif }; const SkColor color = SK_ColorRED; const SkPMColor pmcolor = SkPreMultiplyColor(color); int cnt; #if SK_SUPPORT_GPU cnt = GrContextFactory::kGLContextTypeCnt; #else cnt = 1; #endif for (int i= 0; i < cnt; ++i) { GrContext* context = NULL; #if SK_SUPPORT_GPU GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i; if (!GrContextFactory::IsRenderingGLContext(glCtxType)) { continue; } context = factory->get(glCtxType); if (NULL == context) { continue; } #endif for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) { SkImageInfo info, requestInfo; size_t rowBytes; SkAutoTUnref<SkSurface> surface(createSurface(gRec[i].fType, context, &requestInfo)); surface->getCanvas()->clear(color); const void* addr = surface->getCanvas()->peekPixels(&info, &rowBytes); bool success = SkToBool(addr); REPORTER_ASSERT(reporter, gRec[i].fPeekShouldSucceed == success); SkImageInfo info2; size_t rb2; const void* addr2 = surface->peekPixels(&info2, &rb2); if (success) { REPORTER_ASSERT(reporter, requestInfo == info); REPORTER_ASSERT(reporter, requestInfo.minRowBytes() <= rowBytes); REPORTER_ASSERT(reporter, pmcolor == *(const SkPMColor*)addr); REPORTER_ASSERT(reporter, addr2 == addr); REPORTER_ASSERT(reporter, info2 == info); REPORTER_ASSERT(reporter, rb2 == rowBytes); } else { REPORTER_ASSERT(reporter, NULL == addr2); } } } } static void TestSurfaceCopyOnWrite(skiatest::Reporter* reporter, SurfaceType surfaceType, GrContext* context) { // Verify that the right canvas commands trigger a copy on write SkSurface* surface = createSurface(surfaceType, context); SkAutoTUnref<SkSurface> aur_surface(surface); SkCanvas* canvas = surface->getCanvas(); const SkRect testRect = SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(4), SkIntToScalar(5)); SkPath testPath; testPath.addRect(SkRect::MakeXYWH(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(2), SkIntToScalar(1))); const SkIRect testIRect = SkIRect::MakeXYWH(0, 0, 2, 1); SkRegion testRegion; testRegion.setRect(testIRect); const SkColor testColor = 0x01020304; const SkPaint testPaint; const SkPoint testPoints[3] = { {SkIntToScalar(0), SkIntToScalar(0)}, {SkIntToScalar(2), SkIntToScalar(1)}, {SkIntToScalar(0), SkIntToScalar(2)} }; const size_t testPointCount = 3; SkBitmap testBitmap; testBitmap.allocN32Pixels(10, 10); testBitmap.eraseColor(0); SkRRect testRRect; testRRect.setRectXY(testRect, SK_Scalar1, SK_Scalar1); SkString testText("Hello World"); const SkPoint testPoints2[] = { { SkIntToScalar(0), SkIntToScalar(1) }, { SkIntToScalar(1), SkIntToScalar(1) }, { SkIntToScalar(2), SkIntToScalar(1) }, { SkIntToScalar(3), SkIntToScalar(1) }, { SkIntToScalar(4), SkIntToScalar(1) }, { SkIntToScalar(5), SkIntToScalar(1) }, { SkIntToScalar(6), SkIntToScalar(1) }, { SkIntToScalar(7), SkIntToScalar(1) }, { SkIntToScalar(8), SkIntToScalar(1) }, { SkIntToScalar(9), SkIntToScalar(1) }, { SkIntToScalar(10), SkIntToScalar(1) }, }; #define EXPECT_COPY_ON_WRITE(command) \ { \ SkImage* imageBefore = surface->newImageSnapshot(); \ SkAutoTUnref<SkImage> aur_before(imageBefore); \ canvas-> command ; \ SkImage* imageAfter = surface->newImageSnapshot(); \ SkAutoTUnref<SkImage> aur_after(imageAfter); \ REPORTER_ASSERT(reporter, imageBefore != imageAfter); \ } EXPECT_COPY_ON_WRITE(clear(testColor)) EXPECT_COPY_ON_WRITE(drawPaint(testPaint)) EXPECT_COPY_ON_WRITE(drawPoints(SkCanvas::kPoints_PointMode, testPointCount, testPoints, \ testPaint)) EXPECT_COPY_ON_WRITE(drawOval(testRect, testPaint)) EXPECT_COPY_ON_WRITE(drawRect(testRect, testPaint)) EXPECT_COPY_ON_WRITE(drawRRect(testRRect, testPaint)) EXPECT_COPY_ON_WRITE(drawPath(testPath, testPaint)) EXPECT_COPY_ON_WRITE(drawBitmap(testBitmap, 0, 0)) EXPECT_COPY_ON_WRITE(drawBitmapRect(testBitmap, NULL, testRect)) EXPECT_COPY_ON_WRITE(drawBitmapNine(testBitmap, testIRect, testRect, NULL)) EXPECT_COPY_ON_WRITE(drawSprite(testBitmap, 0, 0, NULL)) EXPECT_COPY_ON_WRITE(drawText(testText.c_str(), testText.size(), 0, 1, testPaint)) EXPECT_COPY_ON_WRITE(drawPosText(testText.c_str(), testText.size(), testPoints2, \ testPaint)) EXPECT_COPY_ON_WRITE(drawTextOnPath(testText.c_str(), testText.size(), testPath, NULL, \ testPaint)) } static void TestSurfaceWritableAfterSnapshotRelease(skiatest::Reporter* reporter, SurfaceType surfaceType, GrContext* context) { // This test succeeds by not triggering an assertion. // The test verifies that the surface remains writable (usable) after // acquiring and releasing a snapshot without triggering a copy on write. SkAutoTUnref<SkSurface> surface(createSurface(surfaceType, context)); SkCanvas* canvas = surface->getCanvas(); canvas->clear(1); surface->newImageSnapshot()->unref(); // Create and destroy SkImage canvas->clear(2); // Must not assert internally } #if SK_SUPPORT_GPU static void Test_crbug263329(skiatest::Reporter* reporter, SurfaceType surfaceType, GrContext* context) { // This is a regression test for crbug.com/263329 // Bug was caused by onCopyOnWrite releasing the old surface texture // back to the scratch texture pool even though the texture is used // by and active SkImage_Gpu. SkAutoTUnref<SkSurface> surface1(createSurface(surfaceType, context)); SkAutoTUnref<SkSurface> surface2(createSurface(surfaceType, context)); SkCanvas* canvas1 = surface1->getCanvas(); SkCanvas* canvas2 = surface2->getCanvas(); canvas1->clear(1); SkAutoTUnref<SkImage> image1(surface1->newImageSnapshot()); // Trigger copy on write, new backing is a scratch texture canvas1->clear(2); SkAutoTUnref<SkImage> image2(surface1->newImageSnapshot()); // Trigger copy on write, old backing should not be returned to scratch // pool because it is held by image2 canvas1->clear(3); canvas2->clear(4); SkAutoTUnref<SkImage> image3(surface2->newImageSnapshot()); // Trigger copy on write on surface2. The new backing store should not // be recycling a texture that is held by an existing image. canvas2->clear(5); SkAutoTUnref<SkImage> image4(surface2->newImageSnapshot()); REPORTER_ASSERT(reporter, image4->getTexture() != image3->getTexture()); // The following assertion checks crbug.com/263329 REPORTER_ASSERT(reporter, image4->getTexture() != image2->getTexture()); REPORTER_ASSERT(reporter, image4->getTexture() != image1->getTexture()); REPORTER_ASSERT(reporter, image3->getTexture() != image2->getTexture()); REPORTER_ASSERT(reporter, image3->getTexture() != image1->getTexture()); REPORTER_ASSERT(reporter, image2->getTexture() != image1->getTexture()); } static void TestGetTexture(skiatest::Reporter* reporter, SurfaceType surfaceType, GrContext* context) { SkAutoTUnref<SkSurface> surface(createSurface(surfaceType, context)); SkAutoTUnref<SkImage> image(surface->newImageSnapshot()); GrTexture* texture = image->getTexture(); if (surfaceType == kGpu_SurfaceType || surfaceType == kGpuScratch_SurfaceType) { REPORTER_ASSERT(reporter, texture); REPORTER_ASSERT(reporter, 0 != texture->getTextureHandle()); } else { REPORTER_ASSERT(reporter, NULL == texture); } surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode); REPORTER_ASSERT(reporter, image->getTexture() == texture); } #include "GrGpuResourcePriv.h" #include "SkGpuDevice.h" #include "SkImage_Gpu.h" #include "SkSurface_Gpu.h" SkSurface::Budgeted is_budgeted(SkSurface* surf) { return ((SkSurface_Gpu*)surf)->getDevice()->accessRenderTarget()->resourcePriv().isBudgeted() ? SkSurface::kYes_Budgeted : SkSurface::kNo_Budgeted; } SkSurface::Budgeted is_budgeted(SkImage* image) { return ((SkImage_Gpu*)image)->getTexture()->resourcePriv().isBudgeted() ? SkSurface::kYes_Budgeted : SkSurface::kNo_Budgeted; } static void test_surface_budget(skiatest::Reporter* reporter, GrContext* context) { SkImageInfo info = SkImageInfo::MakeN32Premul(8,8); for (int i = 0; i < 2; ++i) { SkSurface::Budgeted sbudgeted = i ? SkSurface::kYes_Budgeted : SkSurface::kNo_Budgeted; for (int j = 0; j < 2; ++j) { SkSurface::Budgeted ibudgeted = j ? SkSurface::kYes_Budgeted : SkSurface::kNo_Budgeted; SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(context, sbudgeted, info, 0)); SkASSERT(surface); REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface)); SkAutoTUnref<SkImage> image(surface->newImageSnapshot(ibudgeted)); // Initially the image shares a texture with the surface, and the surface decides // whether it is budgeted or not. REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface)); REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(image)); // Now trigger copy-on-write surface->getCanvas()->clear(SK_ColorBLUE); // They don't share a texture anymore. They should each have made their own budget // decision. REPORTER_ASSERT(reporter, sbudgeted == is_budgeted(surface)); REPORTER_ASSERT(reporter, ibudgeted == is_budgeted(image)); } } } #endif static void TestSurfaceNoCanvas(skiatest::Reporter* reporter, SurfaceType surfaceType, GrContext* context, SkSurface::ContentChangeMode mode) { // Verifies the robustness of SkSurface for handling use cases where calls // are made before a canvas is created. { // Test passes by not asserting SkSurface* surface = createSurface(surfaceType, context); SkAutoTUnref<SkSurface> aur_surface(surface); surface->notifyContentWillChange(mode); SkDEBUGCODE(surface->validate();) } { SkSurface* surface = createSurface(surfaceType, context); SkAutoTUnref<SkSurface> aur_surface(surface); SkImage* image1 = surface->newImageSnapshot(); SkAutoTUnref<SkImage> aur_image1(image1); SkDEBUGCODE(image1->validate();) SkDEBUGCODE(surface->validate();) surface->notifyContentWillChange(mode); SkDEBUGCODE(image1->validate();) SkDEBUGCODE(surface->validate();) SkImage* image2 = surface->newImageSnapshot(); SkAutoTUnref<SkImage> aur_image2(image2); SkDEBUGCODE(image2->validate();) SkDEBUGCODE(surface->validate();) REPORTER_ASSERT(reporter, image1 != image2); } } DEF_GPUTEST(Surface, reporter, factory) { test_image(reporter); TestSurfaceCopyOnWrite(reporter, kRaster_SurfaceType, NULL); TestSurfaceWritableAfterSnapshotRelease(reporter, kRaster_SurfaceType, NULL); TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, NULL, SkSurface::kDiscard_ContentChangeMode); TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, NULL, SkSurface::kRetain_ContentChangeMode); test_empty_image(reporter); test_empty_surface(reporter, NULL); test_imagepeek(reporter, factory); test_canvaspeek(reporter, factory); #if SK_SUPPORT_GPU TestGetTexture(reporter, kRaster_SurfaceType, NULL); if (factory) { for (int i= 0; i < GrContextFactory::kGLContextTypeCnt; ++i) { GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i; if (!GrContextFactory::IsRenderingGLContext(glCtxType)) { continue; } GrContext* context = factory->get(glCtxType); if (context) { Test_crbug263329(reporter, kGpu_SurfaceType, context); Test_crbug263329(reporter, kGpuScratch_SurfaceType, context); TestSurfaceCopyOnWrite(reporter, kGpu_SurfaceType, context); TestSurfaceCopyOnWrite(reporter, kGpuScratch_SurfaceType, context); TestSurfaceWritableAfterSnapshotRelease(reporter, kGpu_SurfaceType, context); TestSurfaceWritableAfterSnapshotRelease(reporter, kGpuScratch_SurfaceType, context); TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kDiscard_ContentChangeMode); TestSurfaceNoCanvas(reporter, kGpuScratch_SurfaceType, context, SkSurface::kDiscard_ContentChangeMode); TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kRetain_ContentChangeMode); TestSurfaceNoCanvas(reporter, kGpuScratch_SurfaceType, context, SkSurface::kRetain_ContentChangeMode); TestGetTexture(reporter, kGpu_SurfaceType, context); TestGetTexture(reporter, kGpuScratch_SurfaceType, context); test_empty_surface(reporter, context); test_surface_budget(reporter, context); test_wrapped_texture_surface(reporter, context); } } } #endif } #if SK_SUPPORT_GPU static SkImage* make_desc_image(GrContext* ctx, int w, int h, GrBackendObject texID, bool doCopy) { GrBackendTextureDesc desc; desc.fConfig = kSkia8888_GrPixelConfig; // need to be a rendertarget for now... desc.fFlags = kRenderTarget_GrBackendTextureFlag; desc.fWidth = w; desc.fHeight = h; desc.fSampleCnt = 0; desc.fTextureHandle = texID; return doCopy ? SkImage::NewFromTextureCopy(ctx, desc) : SkImage::NewFromTexture(ctx, desc); } static void test_image_color(skiatest::Reporter* reporter, SkImage* image, SkPMColor expected) { const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1); SkPMColor pixel; REPORTER_ASSERT(reporter, image->readPixels(info, &pixel, sizeof(pixel), 0, 0)); REPORTER_ASSERT(reporter, pixel == expected); } DEF_GPUTEST(SkImage_NewFromTexture, reporter, factory) { GrContext* ctx = factory->get(GrContextFactory::kNative_GLContextType); if (!ctx) { REPORTER_ASSERT(reporter, false); return; } GrTextureProvider* provider = ctx->textureProvider(); const int w = 10; const int h = 10; SkPMColor storage[w * h]; const SkPMColor expected0 = SkPreMultiplyColor(SK_ColorRED); sk_memset32(storage, expected0, w * h); GrSurfaceDesc desc; desc.fFlags = kRenderTarget_GrSurfaceFlag; // needs to be a rendertarget for readpixels(); desc.fOrigin = kDefault_GrSurfaceOrigin; desc.fWidth = w; desc.fHeight = h; desc.fConfig = kSkia8888_GrPixelConfig; desc.fSampleCnt = 0; SkAutoTUnref<GrTexture> tex(provider->createTexture(desc, false, storage, w * 4)); if (!tex) { REPORTER_ASSERT(reporter, false); return; } GrBackendObject srcTex = tex->getTextureHandle(); SkAutoTUnref<SkImage> refImg(make_desc_image(ctx, w, h, srcTex, false)); SkAutoTUnref<SkImage> cpyImg(make_desc_image(ctx, w, h, srcTex, true)); test_image_color(reporter, refImg, expected0); test_image_color(reporter, cpyImg, expected0); // Now lets jam new colors into our "external" texture, and see if the images notice const SkPMColor expected1 = SkPreMultiplyColor(SK_ColorBLUE); sk_memset32(storage, expected1, w * h); tex->writePixels(0, 0, w, h, kSkia8888_GrPixelConfig, storage, GrContext::kFlushWrites_PixelOp); // We expect the ref'd image to see the new color, but cpy'd one should still see the old color test_image_color(reporter, refImg, expected1); test_image_color(reporter, cpyImg, expected0); } #endif