| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "tests/Test.h" |
| |
| #include "include/core/SkPath.h" |
| #include "include/gpu/GrDirectContext.h" |
| #include "include/gpu/GrRecordingContext.h" |
| #include "src/gpu/GrDirectContextPriv.h" |
| #include "src/gpu/GrRecordingContextPriv.h" |
| #include "src/gpu/GrResourceCache.h" |
| #include "src/gpu/GrSoftwarePathRenderer.h" |
| #include "src/gpu/GrStyle.h" |
| #include "src/gpu/GrSurfaceDrawContext.h" |
| #include "src/gpu/effects/GrPorterDuffXferProcessor.h" |
| #include "src/gpu/geometry/GrStyledShape.h" |
| #include "src/gpu/ops/GrTriangulatingPathRenderer.h" |
| |
| static SkPath create_concave_path() { |
| SkPath path; |
| path.moveTo(100, 0); |
| path.lineTo(200, 200); |
| path.lineTo(100, 150); |
| path.lineTo(0, 200); |
| path.close(); |
| return path; |
| } |
| |
| static void draw_path(GrRecordingContext* rContext, |
| GrSurfaceDrawContext* surfaceDrawContext, |
| const SkPath& path, |
| GrPathRenderer* pr, |
| GrAAType aaType, |
| const GrStyle& style, |
| float scaleX = 1.f) { |
| GrPaint paint; |
| paint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc)); |
| |
| SkIRect clipConservativeBounds = SkIRect::MakeWH(surfaceDrawContext->width(), |
| surfaceDrawContext->height()); |
| GrStyledShape shape(path, style); |
| if (shape.style().applies()) { |
| shape = shape.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, 1.0f); |
| } |
| SkMatrix matrix = SkMatrix::I(); |
| matrix.setScaleX(scaleX); |
| GrPathRenderer::DrawPathArgs args{rContext, |
| std::move(paint), |
| &GrUserStencilSettings::kUnused, |
| surfaceDrawContext, |
| nullptr, |
| &clipConservativeBounds, |
| &matrix, |
| &shape, |
| aaType, |
| false}; |
| pr->drawPath(args); |
| } |
| |
| static bool cache_non_scratch_resources_equals(GrResourceCache* cache, int expected) { |
| #if GR_CACHE_STATS |
| GrResourceCache::Stats stats; |
| cache->getStats(&stats); |
| return (stats.fTotal - stats.fScratch) == expected; |
| #else |
| return true; |
| #endif |
| } |
| |
| static void test_path(skiatest::Reporter* reporter, |
| std::function<SkPath(void)> createPath, |
| std::function<GrPathRenderer*(GrRecordingContext*)> createPathRenderer, |
| int expected, |
| bool checkListeners, |
| GrAAType aaType = GrAAType::kNone, |
| GrStyle style = GrStyle(SkStrokeRec::kFill_InitStyle)) { |
| sk_sp<GrDirectContext> dContext = GrDirectContext::MakeMock(nullptr); |
| // The cache needs to be big enough that nothing gets flushed, or our expectations can be wrong |
| dContext->setResourceCacheLimit(8000000); |
| GrResourceCache* cache = dContext->priv().getResourceCache(); |
| |
| auto sdc = GrSurfaceDrawContext::Make( |
| dContext.get(), GrColorType::kRGBA_8888, nullptr, SkBackingFit::kApprox, {800, 800}, |
| SkSurfaceProps(), 1, GrMipmapped::kNo, GrProtected::kNo, kTopLeft_GrSurfaceOrigin); |
| if (!sdc) { |
| return; |
| } |
| |
| sk_sp<GrPathRenderer> pathRenderer(createPathRenderer(dContext.get())); |
| SkPath path = createPath(); |
| |
| // Initially, cache only has the render target context |
| REPORTER_ASSERT(reporter, cache_non_scratch_resources_equals(cache, 0)); |
| |
| // Draw the path, check that new resource count matches expectations |
| draw_path(dContext.get(), sdc.get(), path, pathRenderer.get(), aaType, style); |
| dContext->flushAndSubmit(); |
| REPORTER_ASSERT(reporter, cache_non_scratch_resources_equals(cache, expected)); |
| |
| // Nothing should be purgeable yet |
| cache->purgeAsNeeded(); |
| REPORTER_ASSERT(reporter, cache_non_scratch_resources_equals(cache, expected)); |
| |
| // Reset the path to change the GenID, which should invalidate one resource in the cache. |
| // Some path renderers may leave other unique-keyed resources in the cache, though. |
| path.reset(); |
| cache->purgeAsNeeded(); |
| REPORTER_ASSERT(reporter, cache_non_scratch_resources_equals(cache, expected - 1)); |
| |
| if (!checkListeners) { |
| return; |
| } |
| |
| // Test that purging the cache of masks also removes listeners from the path. |
| path = createPath(); |
| REPORTER_ASSERT(reporter, SkPathPriv::GenIDChangeListenersCount(path) == 0); |
| for (int i = 0; i < 20; ++i) { |
| float scaleX = 1 + ((float)i + 1)/20.f; |
| draw_path(dContext.get(), sdc.get(), path, pathRenderer.get(), aaType, style, scaleX); |
| } |
| dContext->flushAndSubmit(); |
| REPORTER_ASSERT(reporter, SkPathPriv::GenIDChangeListenersCount(path) == 20); |
| cache->purgeUnlockedResources(); |
| // The listeners don't actually purge until we try to add another one. |
| draw_path(dContext.get(), sdc.get(), path, pathRenderer.get(), aaType, style); |
| REPORTER_ASSERT(reporter, SkPathPriv::GenIDChangeListenersCount(path) == 1); |
| } |
| |
| // Test that deleting the original path invalidates the VBs cached by the tessellating path renderer |
| DEF_GPUTEST(TriangulatingPathRendererCacheTest, reporter, /* options */) { |
| auto createPR = [](GrRecordingContext*) { |
| return new GrTriangulatingPathRenderer(); |
| }; |
| |
| // Triangulating path renderer creates a single vertex buffer for non-AA paths. No other |
| // resources should be created. |
| const int kExpectedResources = 1; |
| |
| test_path(reporter, create_concave_path, createPR, kExpectedResources, false); |
| |
| // Test with a style that alters the path geometry. This needs to attach the invalidation logic |
| // to the original path, not the modified path produced by the style. |
| SkPaint paint; |
| paint.setStyle(SkPaint::kStroke_Style); |
| paint.setStrokeWidth(1); |
| GrStyle style(paint); |
| test_path(reporter, create_concave_path, createPR, kExpectedResources, false, GrAAType::kNone, |
| style); |
| } |
| |
| // Test that deleting the original path invalidates the textures cached by the SW path renderer |
| DEF_GPUTEST(SoftwarePathRendererCacheTest, reporter, /* options */) { |
| auto createPR = [](GrRecordingContext* rContext) { |
| return new GrSoftwarePathRenderer(rContext->priv().proxyProvider(), true); |
| }; |
| |
| // Software path renderer creates a mask texture and renders with a non-AA rect, but the flush |
| // only contains a single quad so GrFillRectOp doesn't need to use the shared index buffer. |
| const int kExpectedResources = 1; |
| |
| test_path(reporter, create_concave_path, createPR, kExpectedResources, true, |
| GrAAType::kCoverage); |
| |
| // Test with a style that alters the path geometry. This needs to attach the invalidation logic |
| // to the original path, not the modified path produced by the style. |
| SkPaint paint; |
| paint.setStyle(SkPaint::kStroke_Style); |
| paint.setStrokeWidth(1); |
| GrStyle style(paint); |
| test_path(reporter, create_concave_path, createPR, kExpectedResources, true, |
| GrAAType::kCoverage, style); |
| } |