| /* |
| * 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 "SkRRect.h" |
| #include "SkSurface.h" |
| #include "Test.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "GrContextFactory.h" |
| #else |
| class GrContextFactory; |
| class GrContext; |
| #endif |
| |
| enum SurfaceType { |
| kRaster_SurfaceType, |
| kGpu_SurfaceType, |
| kPicture_SurfaceType |
| }; |
| |
| static SkSurface* createSurface(SurfaceType surfaceType, GrContext* context) { |
| static const SkImageInfo imageSpec = { |
| 10, // width |
| 10, // height |
| kPMColor_SkColorType, |
| kPremul_SkAlphaType |
| }; |
| |
| switch (surfaceType) { |
| case kRaster_SurfaceType: |
| return SkSurface::NewRaster(imageSpec); |
| case kGpu_SurfaceType: |
| #if SK_SUPPORT_GPU |
| SkASSERT(NULL != context); |
| return SkSurface::NewRenderTarget(context, imageSpec); |
| #else |
| SkASSERT(0); |
| #endif |
| case kPicture_SurfaceType: |
| return SkSurface::NewPicture(10, 10); |
| } |
| SkASSERT(0); |
| return NULL; |
| } |
| |
| 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)); |
| SkMatrix testMatrix; |
| testMatrix.reset(); |
| testMatrix.setScale(SkIntToScalar(2), SkIntToScalar(3)); |
| |
| 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.setConfig(SkBitmap::kARGB_8888_Config, 10, 10); |
| testBitmap.allocPixels(); |
| 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(drawBitmapMatrix(testBitmap, testMatrix, NULL)) |
| 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, |
| 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(kGpu_SurfaceType, context)); |
| SkAutoTUnref<SkSurface> surface2(createSurface(kGpu_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) { |
| REPORTER_ASSERT(reporter, NULL != texture); |
| REPORTER_ASSERT(reporter, 0 != texture->getTextureHandle()); |
| } else { |
| REPORTER_ASSERT(reporter, NULL == texture); |
| } |
| surface->notifyContentWillChange(SkSurface::kDiscard_ContentChangeMode); |
| REPORTER_ASSERT(reporter, image->getTexture() == texture); |
| } |
| #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) { |
| TestSurfaceCopyOnWrite(reporter, kRaster_SurfaceType, NULL); |
| TestSurfaceCopyOnWrite(reporter, kPicture_SurfaceType, NULL); |
| TestSurfaceWritableAfterSnapshotRelease(reporter, kRaster_SurfaceType, NULL); |
| TestSurfaceWritableAfterSnapshotRelease(reporter, kPicture_SurfaceType, NULL); |
| TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, NULL, SkSurface::kDiscard_ContentChangeMode); |
| TestSurfaceNoCanvas(reporter, kRaster_SurfaceType, NULL, SkSurface::kRetain_ContentChangeMode); |
| #if SK_SUPPORT_GPU |
| TestGetTexture(reporter, kRaster_SurfaceType, NULL); |
| TestGetTexture(reporter, kPicture_SurfaceType, NULL); |
| if (NULL != factory) { |
| GrContext* context = factory->get(GrContextFactory::kNative_GLContextType); |
| if (NULL != context) { |
| Test_crbug263329(reporter, context); |
| TestSurfaceCopyOnWrite(reporter, kGpu_SurfaceType, context); |
| TestSurfaceWritableAfterSnapshotRelease(reporter, kGpu_SurfaceType, context); |
| TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kDiscard_ContentChangeMode); |
| TestSurfaceNoCanvas(reporter, kGpu_SurfaceType, context, SkSurface::kRetain_ContentChangeMode); |
| TestGetTexture(reporter, kGpu_SurfaceType, context); |
| } |
| } |
| #endif |
| } |