| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "../src/image/SkImagePriv.h" |
| #include "../src/image/SkSurface_Base.h" |
| #include "SkBitmap.h" |
| #include "SkBitmapDevice.h" |
| #include "SkBitmapProcShader.h" |
| #include "SkDeferredCanvas.h" |
| #include "SkGradientShader.h" |
| #include "SkShader.h" |
| #include "SkSurface.h" |
| #include "Test.h" |
| #include "sk_tool_utils.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "GrContextFactory.h" |
| #else |
| class GrContextFactory; |
| #endif |
| |
| static const int gWidth = 2; |
| static const int gHeight = 2; |
| |
| static void create(SkBitmap* bm, SkColor color) { |
| bm->allocN32Pixels(gWidth, gHeight); |
| bm->eraseColor(color); |
| } |
| |
| static SkSurface* createSurface(SkColor color) { |
| SkSurface* surface = SkSurface::NewRasterN32Premul(gWidth, gHeight); |
| surface->getCanvas()->clear(color); |
| return surface; |
| } |
| |
| static SkPMColor read_pixel(SkSurface* surface, int x, int y) { |
| SkPMColor pixel = 0; |
| SkBitmap bitmap; |
| bitmap.installPixels(SkImageInfo::MakeN32Premul(1, 1), &pixel, 4); |
| SkCanvas canvas(bitmap); |
| |
| SkPaint paint; |
| paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
| surface->draw(&canvas, -SkIntToScalar(x), -SkIntToScalar(y), &paint); |
| return pixel; |
| } |
| |
| class MockSurface : public SkSurface_Base { |
| public: |
| MockSurface(int width, int height) : SkSurface_Base(width, height, NULL) { |
| clearCounts(); |
| fBitmap.allocN32Pixels(width, height); |
| } |
| |
| virtual SkCanvas* onNewCanvas() SK_OVERRIDE { |
| return SkNEW_ARGS(SkCanvas, (fBitmap)); |
| } |
| |
| virtual SkSurface* onNewSurface(const SkImageInfo&) SK_OVERRIDE { |
| return NULL; |
| } |
| |
| virtual SkImage* onNewImageSnapshot() SK_OVERRIDE { |
| return SkNewImageFromBitmap(fBitmap, true, &this->props()); |
| } |
| |
| virtual void onCopyOnWrite(ContentChangeMode mode) SK_OVERRIDE { |
| if (mode == SkSurface::kDiscard_ContentChangeMode) { |
| fDiscardCount++; |
| } else { |
| fRetainCount++; |
| } |
| } |
| |
| void clearCounts() { |
| fDiscardCount = 0; |
| fRetainCount = 0; |
| } |
| |
| int fDiscardCount, fRetainCount; |
| SkBitmap fBitmap; |
| }; |
| |
| static void TestDeferredCanvasWritePixelsToSurface(skiatest::Reporter* reporter) { |
| SkAutoTUnref<MockSurface> surface(SkNEW_ARGS(MockSurface, (10, 10))); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| |
| SkBitmap srcBitmap; |
| srcBitmap.allocPixels(SkImageInfo::Make(10, 10, kRGBA_8888_SkColorType, kUnpremul_SkAlphaType)); |
| srcBitmap.eraseColor(SK_ColorGREEN); |
| // Tests below depend on this bitmap being recognized as opaque |
| |
| // Preliminary sanity check: no copy on write if no active snapshot |
| surface->clearCounts(); |
| canvas->clear(SK_ColorWHITE); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| // Case 1: Discard notification happens upon flushing |
| // with an Image attached. |
| surface->clearCounts(); |
| SkAutoTUnref<SkImage> image1(canvas->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->clear(SK_ColorWHITE); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 1 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| // Case 2: Opaque writePixels |
| surface->clearCounts(); |
| SkAutoTUnref<SkImage> image2(canvas->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| // Case 3: writePixels that partially covers the canvas |
| surface->clearCounts(); |
| SkAutoTUnref<SkImage> image3(canvas->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| // Case 4: unpremultiplied opaque writePixels that entirely |
| // covers the canvas |
| surface->clearCounts(); |
| SkAutoTUnref<SkImage> image4(canvas->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->writePixels(srcBitmap, 0, 0); |
| REPORTER_ASSERT(reporter, 1 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| // Case 5: unpremultiplied opaque writePixels that partially |
| // covers the canvas |
| surface->clearCounts(); |
| SkAutoTUnref<SkImage> image5(canvas->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->writePixels(srcBitmap, 5, 0); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 1 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| // Case 6: unpremultiplied opaque writePixels that entirely |
| // covers the canvas, preceded by clear |
| surface->clearCounts(); |
| SkAutoTUnref<SkImage> image6(canvas->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->clear(SK_ColorWHITE); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->writePixels(srcBitmap, 0, 0); |
| REPORTER_ASSERT(reporter, 1 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| // Case 7: unpremultiplied opaque writePixels that partially |
| // covers the canvas, preceeded by a clear |
| surface->clearCounts(); |
| SkAutoTUnref<SkImage> image7(canvas->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->clear(SK_ColorWHITE); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->writePixels(srcBitmap, 5, 0); |
| REPORTER_ASSERT(reporter, 1 == surface->fDiscardCount); // because of the clear |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| // Case 8: unpremultiplied opaque writePixels that partially |
| // covers the canvas, preceeded by a drawREct that partially |
| // covers the canvas |
| surface->clearCounts(); |
| SkAutoTUnref<SkImage> image8(canvas->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| SkPaint paint; |
| canvas->drawRect(SkRect::MakeLTRB(0, 0, 5, 5), paint); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->writePixels(srcBitmap, 5, 0); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 1 == surface->fRetainCount); |
| |
| surface->clearCounts(); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 0 == surface->fDiscardCount); |
| REPORTER_ASSERT(reporter, 0 == surface->fRetainCount); |
| } |
| |
| static void TestDeferredCanvasFlush(skiatest::Reporter* reporter) { |
| SkAutoTUnref<SkSurface> surface(createSurface(0xFFFFFFFF)); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| |
| canvas->clear(0x00000000); |
| |
| // verify that clear was deferred |
| REPORTER_ASSERT(reporter, 0xFFFFFFFF == read_pixel(surface, 0, 0)); |
| |
| canvas->flush(); |
| |
| // verify that clear was executed |
| REPORTER_ASSERT(reporter, 0 == read_pixel(surface, 0, 0)); |
| } |
| |
| static void TestDeferredCanvasFreshFrame(skiatest::Reporter* reporter) { |
| SkRect fullRect; |
| fullRect.setXYWH(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(gWidth), |
| SkIntToScalar(gHeight)); |
| SkRect partialRect; |
| partialRect.setXYWH(SkIntToScalar(0), SkIntToScalar(0), |
| SkIntToScalar(1), SkIntToScalar(1)); |
| |
| SkAutoTUnref<SkSurface> surface(createSurface(0xFFFFFFFF)); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| |
| // verify that frame is intially fresh |
| REPORTER_ASSERT(reporter, canvas->isFreshFrame()); |
| // no clearing op since last call to isFreshFrame -> not fresh |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| |
| // Verify that clear triggers a fresh frame |
| canvas->clear(0x00000000); |
| REPORTER_ASSERT(reporter, canvas->isFreshFrame()); |
| |
| // Verify that clear with saved state triggers a fresh frame |
| canvas->save(); |
| canvas->clear(0x00000000); |
| canvas->restore(); |
| REPORTER_ASSERT(reporter, canvas->isFreshFrame()); |
| |
| // Verify that clear within a layer does NOT trigger a fresh frame |
| canvas->saveLayer(NULL, NULL); |
| canvas->clear(0x00000000); |
| canvas->restore(); |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| |
| // Verify that full frame rects with different forms of opaque paint |
| // trigger frames to be marked as fresh |
| { |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| paint.setAlpha(255); |
| canvas->drawRect(fullRect, paint); |
| REPORTER_ASSERT(reporter, canvas->isFreshFrame()); |
| } |
| { |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| paint.setAlpha(255); |
| paint.setXfermodeMode(SkXfermode::kSrcIn_Mode); |
| canvas->drawRect(fullRect, paint); |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| } |
| { |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| SkBitmap bmp; |
| create(&bmp, 0xFFFFFFFF); |
| bmp.setAlphaType(kOpaque_SkAlphaType); |
| SkShader* shader = SkShader::CreateBitmapShader(bmp, |
| SkShader::kClamp_TileMode, SkShader::kClamp_TileMode); |
| paint.setShader(shader)->unref(); |
| canvas->drawRect(fullRect, paint); |
| REPORTER_ASSERT(reporter, canvas->isFreshFrame()); |
| } |
| |
| // Verify that full frame rects with different forms of non-opaque paint |
| // do not trigger frames to be marked as fresh |
| { |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| paint.setAlpha(254); |
| canvas->drawRect(fullRect, paint); |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| } |
| { |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| // Defining a cone that partially overlaps the canvas |
| const SkPoint pt1 = SkPoint::Make(SkIntToScalar(0), SkIntToScalar(0)); |
| const SkScalar r1 = SkIntToScalar(1); |
| const SkPoint pt2 = SkPoint::Make(SkIntToScalar(10), SkIntToScalar(0)); |
| const SkScalar r2 = SkIntToScalar(5); |
| const SkColor colors[2] = {SK_ColorWHITE, SK_ColorWHITE}; |
| const SkScalar pos[2] = {0, SK_Scalar1}; |
| SkShader* shader = SkGradientShader::CreateTwoPointConical( |
| pt1, r1, pt2, r2, colors, pos, 2, SkShader::kClamp_TileMode); |
| paint.setShader(shader)->unref(); |
| canvas->drawRect(fullRect, paint); |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| } |
| { |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| SkBitmap bmp; |
| create(&bmp, 0xFFFFFFFF); |
| bmp.setAlphaType(kPremul_SkAlphaType); |
| SkShader* shader = SkShader::CreateBitmapShader(bmp, |
| SkShader::kClamp_TileMode, SkShader::kClamp_TileMode); |
| paint.setShader(shader)->unref(); |
| canvas->drawRect(fullRect, paint); |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| } |
| |
| // Verify that incomplete coverage does not trigger a fresh frame |
| { |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| paint.setAlpha(255); |
| canvas->drawRect(partialRect, paint); |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| } |
| |
| // Verify that incomplete coverage due to clipping does not trigger a fresh |
| // frame |
| { |
| canvas->save(); |
| canvas->clipRect(partialRect, SkRegion::kIntersect_Op, false); |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| paint.setAlpha(255); |
| canvas->drawRect(fullRect, paint); |
| canvas->restore(); |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| } |
| { |
| canvas->save(); |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| paint.setAlpha(255); |
| SkPath path; |
| path.addCircle(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(2)); |
| canvas->clipPath(path, SkRegion::kIntersect_Op, false); |
| canvas->drawRect(fullRect, paint); |
| canvas->restore(); |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| } |
| |
| // Verify that stroked rect does not trigger a fresh frame |
| { |
| SkPaint paint; |
| paint.setStyle(SkPaint::kStroke_Style); |
| paint.setAlpha(255); |
| canvas->drawRect(fullRect, paint); |
| REPORTER_ASSERT(reporter, !canvas->isFreshFrame()); |
| } |
| |
| // Verify kSrcMode triggers a fresh frame even with transparent color |
| { |
| SkPaint paint; |
| paint.setStyle(SkPaint::kFill_Style); |
| paint.setAlpha(100); |
| paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
| canvas->drawRect(fullRect, paint); |
| REPORTER_ASSERT(reporter, canvas->isFreshFrame()); |
| } |
| } |
| |
| class MockDevice : public SkBitmapDevice { |
| public: |
| MockDevice(const SkBitmap& bm) : SkBitmapDevice(bm) { |
| fDrawBitmapCallCount = 0; |
| } |
| virtual void drawBitmap(const SkDraw&, const SkBitmap&, |
| const SkMatrix&, const SkPaint&) SK_OVERRIDE { |
| fDrawBitmapCallCount++; |
| } |
| |
| int fDrawBitmapCallCount; |
| }; |
| |
| class NotificationCounter : public SkDeferredCanvas::NotificationClient { |
| public: |
| NotificationCounter() { |
| fPrepareForDrawCount = fStorageAllocatedChangedCount = |
| fFlushedDrawCommandsCount = fSkippedPendingDrawCommandsCount = 0; |
| } |
| |
| virtual void prepareForDraw() SK_OVERRIDE { |
| fPrepareForDrawCount++; |
| } |
| virtual void storageAllocatedForRecordingChanged(size_t) SK_OVERRIDE { |
| fStorageAllocatedChangedCount++; |
| } |
| virtual void flushedDrawCommands() SK_OVERRIDE { |
| fFlushedDrawCommandsCount++; |
| } |
| virtual void skippedPendingDrawCommands() SK_OVERRIDE { |
| fSkippedPendingDrawCommandsCount++; |
| } |
| |
| int fPrepareForDrawCount; |
| int fStorageAllocatedChangedCount; |
| int fFlushedDrawCommandsCount; |
| int fSkippedPendingDrawCommandsCount; |
| |
| private: |
| typedef SkDeferredCanvas::NotificationClient INHERITED; |
| }; |
| |
| // Verifies that the deferred canvas triggers a flush when its memory |
| // limit is exceeded |
| static void TestDeferredCanvasMemoryLimit(skiatest::Reporter* reporter) { |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(100, 100)); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| |
| NotificationCounter notificationCounter; |
| canvas->setNotificationClient(¬ificationCounter); |
| |
| canvas->setMaxRecordingStorage(160000); |
| |
| SkBitmap sourceImage; |
| // 100 by 100 image, takes 40,000 bytes in memory |
| sourceImage.allocN32Pixels(100, 100); |
| sourceImage.eraseColor(SK_ColorGREEN); |
| |
| for (int i = 0; i < 5; i++) { |
| sourceImage.notifyPixelsChanged(); // to force re-serialization |
| canvas->drawBitmap(sourceImage, 0, 0, NULL); |
| } |
| |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fFlushedDrawCommandsCount); |
| } |
| |
| static void TestDeferredCanvasSilentFlush(skiatest::Reporter* reporter) { |
| SkAutoTUnref<SkSurface> surface(createSurface(0)); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| |
| NotificationCounter notificationCounter; |
| canvas->setNotificationClient(¬ificationCounter); |
| |
| canvas->silentFlush(); // will skip the initial clear that was recorded in createSurface |
| |
| REPORTER_ASSERT(reporter, 0 == notificationCounter.fFlushedDrawCommandsCount); |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fSkippedPendingDrawCommandsCount); |
| } |
| |
| static void TestDeferredCanvasBitmapCaching(skiatest::Reporter* reporter) { |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(100, 100)); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| |
| NotificationCounter notificationCounter; |
| canvas->setNotificationClient(¬ificationCounter); |
| |
| const int imageCount = 2; |
| SkBitmap sourceImages[imageCount]; |
| for (int i = 0; i < imageCount; i++) { |
| sourceImages[i].allocN32Pixels(100, 100); |
| sourceImages[i].eraseColor(SK_ColorGREEN); |
| } |
| |
| size_t bitmapSize = sourceImages[0].getSize(); |
| |
| canvas->drawBitmap(sourceImages[0], 0, 0, NULL); |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fStorageAllocatedChangedCount); |
| // stored bitmap + drawBitmap command |
| REPORTER_ASSERT(reporter, canvas->storageAllocatedForRecording() > bitmapSize); |
| |
| // verify that nothing can be freed at this point |
| REPORTER_ASSERT(reporter, 0 == canvas->freeMemoryIfPossible(~0U)); |
| |
| // verify that flush leaves image in cache |
| REPORTER_ASSERT(reporter, 0 == notificationCounter.fFlushedDrawCommandsCount); |
| REPORTER_ASSERT(reporter, 0 == notificationCounter.fPrepareForDrawCount); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fFlushedDrawCommandsCount); |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fPrepareForDrawCount); |
| REPORTER_ASSERT(reporter, canvas->storageAllocatedForRecording() >= bitmapSize); |
| |
| // verify that after a flush, cached image can be freed |
| REPORTER_ASSERT(reporter, canvas->freeMemoryIfPossible(~0U) >= bitmapSize); |
| |
| // Verify that caching works for avoiding multiple copies of the same bitmap |
| canvas->drawBitmap(sourceImages[0], 0, 0, NULL); |
| REPORTER_ASSERT(reporter, 2 == notificationCounter.fStorageAllocatedChangedCount); |
| canvas->drawBitmap(sourceImages[0], 0, 0, NULL); |
| REPORTER_ASSERT(reporter, 2 == notificationCounter.fStorageAllocatedChangedCount); |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fFlushedDrawCommandsCount); |
| REPORTER_ASSERT(reporter, canvas->storageAllocatedForRecording() < 2 * bitmapSize); |
| |
| // Verify partial eviction based on bytesToFree |
| canvas->drawBitmap(sourceImages[1], 0, 0, NULL); |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fFlushedDrawCommandsCount); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 2 == notificationCounter.fFlushedDrawCommandsCount); |
| REPORTER_ASSERT(reporter, canvas->storageAllocatedForRecording() > 2 * bitmapSize); |
| size_t bytesFreed = canvas->freeMemoryIfPossible(1); |
| REPORTER_ASSERT(reporter, 2 == notificationCounter.fFlushedDrawCommandsCount); |
| REPORTER_ASSERT(reporter, bytesFreed >= bitmapSize); |
| REPORTER_ASSERT(reporter, bytesFreed < 2*bitmapSize); |
| |
| // Verifiy that partial purge works, image zero is in cache but not reffed by |
| // a pending draw, while image 1 is locked-in. |
| canvas->freeMemoryIfPossible(~0U); |
| REPORTER_ASSERT(reporter, 2 == notificationCounter.fFlushedDrawCommandsCount); |
| canvas->drawBitmap(sourceImages[0], 0, 0, NULL); |
| canvas->flush(); |
| canvas->drawBitmap(sourceImages[1], 0, 0, NULL); |
| bytesFreed = canvas->freeMemoryIfPossible(~0U); |
| // only one bitmap should have been freed. |
| REPORTER_ASSERT(reporter, bytesFreed >= bitmapSize); |
| REPORTER_ASSERT(reporter, bytesFreed < 2*bitmapSize); |
| // Clear for next test |
| canvas->flush(); |
| canvas->freeMemoryIfPossible(~0U); |
| REPORTER_ASSERT(reporter, canvas->storageAllocatedForRecording() < bitmapSize); |
| |
| // Verify the image cache is sensitive to genID bumps |
| canvas->drawBitmap(sourceImages[1], 0, 0, NULL); |
| sourceImages[1].notifyPixelsChanged(); |
| canvas->drawBitmap(sourceImages[1], 0, 0, NULL); |
| REPORTER_ASSERT(reporter, canvas->storageAllocatedForRecording() > 2*bitmapSize); |
| |
| // Verify that nothing in this test caused commands to be skipped |
| REPORTER_ASSERT(reporter, 0 == notificationCounter.fSkippedPendingDrawCommandsCount); |
| } |
| |
| static void TestDeferredCanvasSkip(skiatest::Reporter* reporter) { |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(100, 100)); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| |
| NotificationCounter notificationCounter; |
| canvas->setNotificationClient(¬ificationCounter); |
| canvas->clear(0x0); |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fSkippedPendingDrawCommandsCount); |
| REPORTER_ASSERT(reporter, 0 == notificationCounter.fFlushedDrawCommandsCount); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fSkippedPendingDrawCommandsCount); |
| REPORTER_ASSERT(reporter, 1 == notificationCounter.fFlushedDrawCommandsCount); |
| |
| } |
| |
| static void TestDeferredCanvasBitmapShaderNoLeak(skiatest::Reporter* reporter) { |
| // This is a regression test for crbug.com/155875 |
| // This test covers a code path that inserts bitmaps into the bitmap heap through the |
| // flattening of SkBitmapProcShaders. The refcount in the bitmap heap is maintained through |
| // the flattening and unflattening of the shader. |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(100, 100)); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| // test will fail if nbIterations is not in sync with |
| // BITMAPS_TO_KEEP in SkGPipeWrite.cpp |
| const int nbIterations = 5; |
| size_t bytesAllocated = 0; |
| for(int pass = 0; pass < 2; ++pass) { |
| for(int i = 0; i < nbIterations; ++i) { |
| SkPaint paint; |
| SkBitmap paintPattern; |
| paintPattern.allocN32Pixels(10, 10); |
| paintPattern.eraseColor(SK_ColorGREEN); |
| paint.setShader(SkNEW_ARGS(SkBitmapProcShader, |
| (paintPattern, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode)))->unref(); |
| canvas->drawPaint(paint); |
| canvas->flush(); |
| |
| // In the first pass, memory allocation should be monotonically increasing as |
| // the bitmap heap slots fill up. In the second pass memory allocation should be |
| // stable as bitmap heap slots get recycled. |
| size_t newBytesAllocated = canvas->storageAllocatedForRecording(); |
| if (pass == 0) { |
| REPORTER_ASSERT(reporter, newBytesAllocated > bytesAllocated); |
| bytesAllocated = newBytesAllocated; |
| } else { |
| REPORTER_ASSERT(reporter, newBytesAllocated == bytesAllocated); |
| } |
| } |
| } |
| // All cached resources should be evictable since last canvas call was flush() |
| canvas->freeMemoryIfPossible(~0U); |
| REPORTER_ASSERT(reporter, 0 == canvas->storageAllocatedForRecording()); |
| } |
| |
| static void TestDeferredCanvasBitmapSizeThreshold(skiatest::Reporter* reporter) { |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(100, 100)); |
| |
| SkBitmap sourceImage; |
| // 100 by 100 image, takes 40,000 bytes in memory |
| sourceImage.allocN32Pixels(100, 100); |
| sourceImage.eraseColor(SK_ColorGREEN); |
| |
| // 1 under : should not store the image |
| { |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| canvas->setBitmapSizeThreshold(39999); |
| canvas->drawBitmap(sourceImage, 0, 0, NULL); |
| size_t newBytesAllocated = canvas->storageAllocatedForRecording(); |
| REPORTER_ASSERT(reporter, newBytesAllocated == 0); |
| } |
| |
| // exact value : should store the image |
| { |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| canvas->setBitmapSizeThreshold(40000); |
| canvas->drawBitmap(sourceImage, 0, 0, NULL); |
| size_t newBytesAllocated = canvas->storageAllocatedForRecording(); |
| REPORTER_ASSERT(reporter, newBytesAllocated > 0); |
| } |
| |
| // 1 over : should still store the image |
| { |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| canvas->setBitmapSizeThreshold(40001); |
| canvas->drawBitmap(sourceImage, 0, 0, NULL); |
| size_t newBytesAllocated = canvas->storageAllocatedForRecording(); |
| REPORTER_ASSERT(reporter, newBytesAllocated > 0); |
| } |
| } |
| |
| |
| typedef const void* PixelPtr; |
| // Returns an opaque pointer which, either points to a GrTexture or RAM pixel |
| // buffer. Used to test pointer equality do determine whether a surface points |
| // to the same pixel data storage as before. |
| static PixelPtr get_surface_ptr(SkSurface* surface, bool useGpu) { |
| #if SK_SUPPORT_GPU |
| if (useGpu) { |
| return surface->getCanvas()->internal_private_accessTopLayerRenderTarget()->asTexture(); |
| } else |
| #endif |
| { |
| return surface->peekPixels(NULL, NULL); |
| } |
| } |
| |
| static void TestDeferredCanvasSurface(skiatest::Reporter* reporter, GrContextFactory* factory) { |
| SkImageInfo imageSpec = SkImageInfo::MakeN32Premul(10, 10); |
| bool useGpu = SkToBool(factory); |
| int cnt; |
| #if SK_SUPPORT_GPU |
| if (useGpu) { |
| cnt = GrContextFactory::kGLContextTypeCnt; |
| } else { |
| cnt = 1; |
| } |
| #else |
| SkASSERT(!useGpu); |
| cnt = 1; |
| #endif |
| for (int i = 0; i < cnt; ++i) { |
| SkSurface* surface; |
| #if SK_SUPPORT_GPU |
| if (useGpu) { |
| GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i; |
| if (!GrContextFactory::IsRenderingGLContext(glCtxType)) { |
| continue; |
| } |
| GrContext* context = factory->get(glCtxType); |
| if (NULL == context) { |
| return; |
| } |
| |
| surface = SkSurface::NewRenderTarget(context, imageSpec, 0, NULL); |
| } else |
| #endif |
| { |
| surface = SkSurface::NewRaster(imageSpec); |
| } |
| SkASSERT(surface); |
| SkAutoTUnref<SkSurface> aur(surface); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface)); |
| |
| SkImage* image1 = canvas->newImageSnapshot(); |
| SkAutoTUnref<SkImage> aur_i1(image1); |
| PixelPtr pixels1 = get_surface_ptr(surface, useGpu); |
| // The following clear would normally trigger a copy on write, but |
| // it won't because rendering is deferred. |
| canvas->clear(SK_ColorBLACK); |
| // Obtaining a snapshot directly from the surface (as opposed to the |
| // SkDeferredCanvas) will not trigger a flush of deferred draw operations |
| // and will therefore return the same image as the previous snapshot. |
| SkImage* image2 = surface->newImageSnapshot(); |
| SkAutoTUnref<SkImage> aur_i2(image2); |
| // Images identical because of deferral |
| REPORTER_ASSERT(reporter, image1->uniqueID() == image2->uniqueID()); |
| // Now we obtain a snpshot via the deferred canvas, which triggers a flush. |
| // Because there is a pending clear, this will generate a different image. |
| SkImage* image3 = canvas->newImageSnapshot(); |
| SkAutoTUnref<SkImage> aur_i3(image3); |
| REPORTER_ASSERT(reporter, image1->uniqueID() != image3->uniqueID()); |
| // Verify that backing store is now a different buffer because of copy on |
| // write |
| PixelPtr pixels2 = get_surface_ptr(surface, useGpu); |
| REPORTER_ASSERT(reporter, pixels1 != pixels2); |
| // Verify copy-on write with a draw operation that gets deferred by |
| // the in order draw buffer. |
| SkPaint paint; |
| canvas->drawPaint(paint); |
| SkImage* image4 = canvas->newImageSnapshot(); // implicit flush |
| SkAutoTUnref<SkImage> aur_i4(image4); |
| REPORTER_ASSERT(reporter, image4->uniqueID() != image3->uniqueID()); |
| PixelPtr pixels3 = get_surface_ptr(surface, useGpu); |
| REPORTER_ASSERT(reporter, pixels2 != pixels3); |
| // Verify that a direct canvas flush with a pending draw does not trigger |
| // a copy on write when the surface is not sharing its buffer with an |
| // SkImage. |
| canvas->clear(SK_ColorWHITE); |
| canvas->flush(); |
| PixelPtr pixels4 = get_surface_ptr(surface, useGpu); |
| canvas->drawPaint(paint); |
| canvas->flush(); |
| PixelPtr pixels5 = get_surface_ptr(surface, useGpu); |
| REPORTER_ASSERT(reporter, pixels4 == pixels5); |
| } |
| } |
| |
| static void TestDeferredCanvasSetSurface(skiatest::Reporter* reporter, GrContextFactory* factory) { |
| SkImageInfo imageSpec = SkImageInfo::MakeN32Premul(10, 10); |
| SkSurface* surface; |
| SkSurface* alternateSurface; |
| bool useGpu = SkToBool(factory); |
| int cnt; |
| #if SK_SUPPORT_GPU |
| if (useGpu) { |
| cnt = GrContextFactory::kGLContextTypeCnt; |
| } else { |
| cnt = 1; |
| } |
| #else |
| SkASSERT(!useGpu); |
| cnt = 1; |
| #endif |
| |
| for (int i = 0; i < cnt; ++i) { |
| #if SK_SUPPORT_GPU |
| if (useGpu) { |
| GrContextFactory::GLContextType glCtxType = (GrContextFactory::GLContextType) i; |
| if (!GrContextFactory::IsRenderingGLContext(glCtxType)) { |
| continue; |
| } |
| GrContext* context = factory->get(glCtxType); |
| if (NULL == context) { |
| continue; |
| } |
| surface = SkSurface::NewRenderTarget(context, imageSpec, 0, NULL); |
| alternateSurface = SkSurface::NewRenderTarget(context, imageSpec, 0, NULL); |
| } else |
| #endif |
| { |
| surface = SkSurface::NewRaster(imageSpec); |
| alternateSurface = SkSurface::NewRaster(imageSpec); |
| } |
| SkASSERT(surface); |
| SkASSERT(alternateSurface); |
| SkAutoTUnref<SkSurface> aur1(surface); |
| SkAutoTUnref<SkSurface> aur2(alternateSurface); |
| PixelPtr pixels1 = get_surface_ptr(surface, useGpu); |
| PixelPtr pixels2 = get_surface_ptr(alternateSurface, useGpu); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface)); |
| SkAutoTUnref<SkImage> image1(canvas->newImageSnapshot()); |
| canvas->setSurface(alternateSurface); |
| SkAutoTUnref<SkImage> image2(canvas->newImageSnapshot()); |
| REPORTER_ASSERT(reporter, image1->uniqueID() != image2->uniqueID()); |
| // Verify that none of the above operations triggered a surface copy on write. |
| REPORTER_ASSERT(reporter, get_surface_ptr(surface, useGpu) == pixels1); |
| REPORTER_ASSERT(reporter, get_surface_ptr(alternateSurface, useGpu) == pixels2); |
| // Verify that a flushed draw command will trigger a copy on write on alternateSurface. |
| canvas->clear(SK_ColorWHITE); |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, get_surface_ptr(surface, useGpu) == pixels1); |
| REPORTER_ASSERT(reporter, get_surface_ptr(alternateSurface, useGpu) != pixels2); |
| } |
| } |
| |
| static void TestDeferredCanvasCreateCompatibleDevice(skiatest::Reporter* reporter) { |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(100, 100)); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| |
| NotificationCounter notificationCounter; |
| canvas->setNotificationClient(¬ificationCounter); |
| |
| SkImageInfo info = SkImageInfo::MakeN32Premul(10, 10); |
| SkAutoTUnref<SkSurface> secondarySurface(canvas->newSurface(info)); |
| |
| SkRect rect = SkRect::MakeWH(5, 5); |
| SkPaint paint; |
| // After spawning a compatible canvas: |
| // 1) Verify that secondary canvas is usable and does not report to the notification client. |
| surface->getCanvas()->drawRect(rect, paint); |
| REPORTER_ASSERT(reporter, notificationCounter.fStorageAllocatedChangedCount == 0); |
| // 2) Verify that original canvas is usable and still reports to the notification client. |
| canvas->drawRect(rect, paint); |
| REPORTER_ASSERT(reporter, notificationCounter.fStorageAllocatedChangedCount == 1); |
| } |
| |
| static void TestDeferredCanvasGetCanvasSize(skiatest::Reporter* reporter) { |
| SkRect rect; |
| rect.setXYWH(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(gWidth), SkIntToScalar(gHeight)); |
| SkRect clip; |
| clip.setXYWH(SkIntToScalar(0), SkIntToScalar(0), SkIntToScalar(1), SkIntToScalar(1)); |
| |
| SkPaint paint; |
| SkISize size = SkISize::Make(gWidth, gHeight); |
| |
| SkAutoTUnref<SkSurface> surface(createSurface(0xFFFFFFFF)); |
| SkAutoTUnref<SkDeferredCanvas> canvas(SkDeferredCanvas::Create(surface.get())); |
| SkSurface* newSurface = SkSurface::NewRasterN32Premul(4, 4); |
| SkAutoTUnref<SkSurface> aur(newSurface); |
| |
| for (int i = 0; i < 2; ++i) { |
| if (i == 1) { |
| canvas->setSurface(newSurface); |
| size = SkISize::Make(4, 4); |
| } |
| |
| // verify that canvas size is correctly initialized or set |
| REPORTER_ASSERT(reporter, size == canvas->getCanvasSize()); |
| |
| // Verify that clear, clip and draw the canvas will not change its size |
| canvas->clear(0x00000000); |
| canvas->clipRect(clip, SkRegion::kIntersect_Op, false); |
| canvas->drawRect(rect, paint); |
| REPORTER_ASSERT(reporter, size == canvas->getCanvasSize()); |
| |
| // Verify that flush the canvas will not change its size |
| canvas->flush(); |
| REPORTER_ASSERT(reporter, size == canvas->getCanvasSize()); |
| |
| // Verify that clear canvas with saved state will not change its size |
| canvas->save(); |
| canvas->clear(0xFFFFFFFF); |
| REPORTER_ASSERT(reporter, size == canvas->getCanvasSize()); |
| |
| // Verify that restore canvas state will not change its size |
| canvas->restore(); |
| REPORTER_ASSERT(reporter, size == canvas->getCanvasSize()); |
| |
| // Verify that clear within a layer will not change canvas size |
| canvas->saveLayer(&clip, &paint); |
| canvas->clear(0x00000000); |
| REPORTER_ASSERT(reporter, size == canvas->getCanvasSize()); |
| |
| // Verify that restore from a layer will not change canvas size |
| canvas->restore(); |
| REPORTER_ASSERT(reporter, size == canvas->getCanvasSize()); |
| } |
| } |
| |
| DEF_TEST(DeferredCanvas_CPU, reporter) { |
| TestDeferredCanvasFlush(reporter); |
| TestDeferredCanvasSilentFlush(reporter); |
| TestDeferredCanvasFreshFrame(reporter); |
| TestDeferredCanvasMemoryLimit(reporter); |
| TestDeferredCanvasBitmapCaching(reporter); |
| TestDeferredCanvasSkip(reporter); |
| TestDeferredCanvasBitmapShaderNoLeak(reporter); |
| TestDeferredCanvasBitmapSizeThreshold(reporter); |
| TestDeferredCanvasCreateCompatibleDevice(reporter); |
| TestDeferredCanvasWritePixelsToSurface(reporter); |
| TestDeferredCanvasGetCanvasSize(reporter); |
| TestDeferredCanvasSurface(reporter, NULL); |
| TestDeferredCanvasSetSurface(reporter, NULL); |
| } |
| |
| DEF_GPUTEST(DeferredCanvas_GPU, reporter, factory) { |
| if (factory != NULL) { |
| TestDeferredCanvasSurface(reporter, factory); |
| TestDeferredCanvasSetSurface(reporter, factory); |
| } |
| } |