| /* |
| * 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 "SkTypes.h" |
| #include "Test.h" |
| |
| #include "GrContext.h" |
| #include "GrContextPriv.h" |
| #include "GrClip.h" |
| #include "GrDrawingManager.h" |
| #include "GrPathRenderer.h" |
| #include "GrPaint.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrRenderTargetContextPriv.h" |
| #include "GrShape.h" |
| #include "GrTexture.h" |
| #include "SkMatrix.h" |
| #include "SkPathPriv.h" |
| #include "SkRect.h" |
| #include "sk_tool_utils.h" |
| #include "ccpr/GrCoverageCountingPathRenderer.h" |
| #include "mock/GrMockTypes.h" |
| |
| #include <cmath> |
| |
| static constexpr int kCanvasSize = 100; |
| |
| class CCPRClip : public GrClip { |
| public: |
| CCPRClip(GrCoverageCountingPathRenderer* ccpr, const SkPath& path) : fCCPR(ccpr), fPath(path) {} |
| |
| private: |
| bool apply(GrContext* context, GrRenderTargetContext* rtc, bool, bool, GrAppliedClip* out, |
| SkRect* bounds) const override { |
| out->addCoverageFP(fCCPR->makeClipProcessor(rtc->priv().testingOnly_getOpListID(), fPath, |
| SkIRect::MakeWH(rtc->width(), rtc->height()), |
| rtc->width(), rtc->height(), |
| *context->contextPriv().caps())); |
| return true; |
| } |
| bool quickContains(const SkRect&) const final { return false; } |
| bool isRRect(const SkRect& rtBounds, SkRRect* rr, GrAA*) const final { return false; } |
| void getConservativeBounds(int width, int height, SkIRect* rect, bool* iior) const final { |
| rect->set(0, 0, width, height); |
| if (iior) { |
| *iior = false; |
| } |
| } |
| GrCoverageCountingPathRenderer* const fCCPR; |
| const SkPath fPath; |
| }; |
| |
| class CCPRPathDrawer { |
| public: |
| CCPRPathDrawer(GrContext* ctx, skiatest::Reporter* reporter, bool doStroke) |
| : fCtx(ctx) |
| , fCCPR(fCtx->contextPriv().drawingManager()->getCoverageCountingPathRenderer()) |
| , fRTC(fCtx->contextPriv().makeDeferredRenderTargetContext( |
| ctx->contextPriv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType), |
| SkBackingFit::kExact, kCanvasSize, kCanvasSize, kRGBA_8888_GrPixelConfig, |
| nullptr)) |
| , fDoStroke(doStroke) { |
| if (!fCCPR) { |
| ERRORF(reporter, "ccpr not enabled in GrContext for ccpr tests"); |
| } |
| if (!fRTC) { |
| ERRORF(reporter, "failed to create GrRenderTargetContext for ccpr tests"); |
| } |
| } |
| |
| GrContext* ctx() const { return fCtx; } |
| GrCoverageCountingPathRenderer* ccpr() const { return fCCPR; } |
| |
| bool valid() const { return fCCPR && fRTC; } |
| void clear() const { fRTC->clear(nullptr, SK_PMColor4fTRANSPARENT, |
| GrRenderTargetContext::CanClearFullscreen::kYes); } |
| void abandonGrContext() { fCtx = nullptr; fCCPR = nullptr; fRTC = nullptr; } |
| |
| void drawPath(const SkPath& path, const SkMatrix& matrix = SkMatrix::I()) const { |
| SkASSERT(this->valid()); |
| |
| GrPaint paint; |
| paint.setColor4f({ 0, 1, 0, 1 }); |
| |
| GrNoClip noClip; |
| SkIRect clipBounds = SkIRect::MakeWH(kCanvasSize, kCanvasSize); |
| |
| GrShape shape; |
| if (!fDoStroke) { |
| shape = GrShape(path); |
| } else { |
| // Use hairlines for now, since they are the only stroke type that doesn't require a |
| // rigid-body transform. The CCPR stroke code makes no distinction between hairlines |
| // and regular strokes other than how it decides the device-space stroke width. |
| SkStrokeRec stroke(SkStrokeRec::kHairline_InitStyle); |
| stroke.setStrokeParams(SkPaint::kRound_Cap, SkPaint::kMiter_Join, 4); |
| shape = GrShape(path, GrStyle(stroke, nullptr)); |
| } |
| |
| fCCPR->testingOnly_drawPathDirectly({ |
| fCtx, std::move(paint), &GrUserStencilSettings::kUnused, fRTC.get(), &noClip, |
| &clipBounds, &matrix, &shape, GrAAType::kCoverage, false}); |
| } |
| |
| void clipFullscreenRect(SkPath clipPath, SkPMColor4f color = { 0, 1, 0, 1 }) { |
| SkASSERT(this->valid()); |
| |
| GrPaint paint; |
| paint.setColor4f(color); |
| |
| fRTC->drawRect(CCPRClip(fCCPR, clipPath), std::move(paint), GrAA::kYes, SkMatrix::I(), |
| SkRect::MakeIWH(kCanvasSize, kCanvasSize)); |
| } |
| |
| void flush() const { |
| SkASSERT(this->valid()); |
| fCtx->flush(); |
| } |
| |
| private: |
| GrContext* fCtx; |
| GrCoverageCountingPathRenderer* fCCPR; |
| sk_sp<GrRenderTargetContext> fRTC; |
| const bool fDoStroke; |
| }; |
| |
| class CCPRTest { |
| public: |
| void run(skiatest::Reporter* reporter, bool doStroke) { |
| GrMockOptions mockOptions; |
| mockOptions.fInstanceAttribSupport = true; |
| mockOptions.fMapBufferFlags = GrCaps::kCanMap_MapFlag; |
| mockOptions.fConfigOptions[kAlpha_half_GrPixelConfig].fRenderability = |
| GrMockOptions::ConfigOptions::Renderability::kNonMSAA; |
| mockOptions.fConfigOptions[kAlpha_half_GrPixelConfig].fTexturable = true; |
| mockOptions.fConfigOptions[kAlpha_8_GrPixelConfig].fRenderability = |
| GrMockOptions::ConfigOptions::Renderability::kNonMSAA; |
| mockOptions.fConfigOptions[kAlpha_8_GrPixelConfig].fTexturable = true; |
| mockOptions.fGeometryShaderSupport = true; |
| mockOptions.fIntegerSupport = true; |
| mockOptions.fFlatInterpolationSupport = true; |
| |
| GrContextOptions ctxOptions; |
| ctxOptions.fAllowPathMaskCaching = false; |
| ctxOptions.fGpuPathRenderers = GpuPathRenderers::kCoverageCounting; |
| |
| this->customizeOptions(&mockOptions, &ctxOptions); |
| |
| fMockContext = GrContext::MakeMock(&mockOptions, ctxOptions); |
| if (!fMockContext) { |
| ERRORF(reporter, "could not create mock context"); |
| return; |
| } |
| if (!fMockContext->unique()) { |
| ERRORF(reporter, "mock context is not unique"); |
| return; |
| } |
| |
| CCPRPathDrawer ccpr(fMockContext.get(), reporter, doStroke); |
| if (!ccpr.valid()) { |
| return; |
| } |
| |
| fPath.moveTo(0, 0); |
| fPath.cubicTo(50, 50, 0, 50, 50, 0); |
| this->onRun(reporter, ccpr); |
| } |
| |
| virtual ~CCPRTest() {} |
| |
| protected: |
| virtual void customizeOptions(GrMockOptions*, GrContextOptions*) {} |
| virtual void onRun(skiatest::Reporter* reporter, CCPRPathDrawer& ccpr) = 0; |
| |
| sk_sp<GrContext> fMockContext; |
| SkPath fPath; |
| }; |
| |
| #define DEF_CCPR_TEST(name) \ |
| DEF_GPUTEST(name, reporter, /* options */) { \ |
| name test; \ |
| test.run(reporter, false); \ |
| test.run(reporter, true); \ |
| } |
| |
| class GrCCPRTest_cleanup : public CCPRTest { |
| void onRun(skiatest::Reporter* reporter, CCPRPathDrawer& ccpr) override { |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| |
| // Ensure paths get unreffed. |
| for (int i = 0; i < 10; ++i) { |
| ccpr.drawPath(fPath); |
| } |
| REPORTER_ASSERT(reporter, !SkPathPriv::TestingOnly_unique(fPath)); |
| ccpr.flush(); |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| |
| // Ensure clip paths get unreffed. |
| for (int i = 0; i < 10; ++i) { |
| ccpr.clipFullscreenRect(fPath); |
| } |
| REPORTER_ASSERT(reporter, !SkPathPriv::TestingOnly_unique(fPath)); |
| ccpr.flush(); |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| |
| // Ensure paths get unreffed when we delete the context without flushing. |
| for (int i = 0; i < 10; ++i) { |
| ccpr.drawPath(fPath); |
| ccpr.clipFullscreenRect(fPath); |
| } |
| ccpr.abandonGrContext(); |
| REPORTER_ASSERT(reporter, !SkPathPriv::TestingOnly_unique(fPath)); |
| fMockContext.reset(); |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| } |
| }; |
| DEF_CCPR_TEST(GrCCPRTest_cleanup) |
| |
| class GrCCPRTest_cleanupWithTexAllocFail : public GrCCPRTest_cleanup { |
| void customizeOptions(GrMockOptions* mockOptions, GrContextOptions*) override { |
| mockOptions->fFailTextureAllocations = true; |
| } |
| }; |
| DEF_CCPR_TEST(GrCCPRTest_cleanupWithTexAllocFail) |
| |
| class GrCCPRTest_unregisterCulledOps : public CCPRTest { |
| void onRun(skiatest::Reporter* reporter, CCPRPathDrawer& ccpr) override { |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| |
| // Ensure Ops get unregistered from CCPR when culled early. |
| ccpr.drawPath(fPath); |
| REPORTER_ASSERT(reporter, !SkPathPriv::TestingOnly_unique(fPath)); |
| ccpr.clear(); // Clear should delete the CCPR Op. |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| ccpr.flush(); // Should not crash (DrawPathsOp should have unregistered itself). |
| |
| // Ensure Op unregisters work when we delete the context without flushing. |
| ccpr.drawPath(fPath); |
| REPORTER_ASSERT(reporter, !SkPathPriv::TestingOnly_unique(fPath)); |
| ccpr.clear(); // Clear should delete the CCPR DrawPathsOp. |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| ccpr.abandonGrContext(); |
| fMockContext.reset(); // Should not crash (DrawPathsOp should have unregistered itself). |
| } |
| }; |
| DEF_CCPR_TEST(GrCCPRTest_unregisterCulledOps) |
| |
| class GrCCPRTest_parseEmptyPath : public CCPRTest { |
| void onRun(skiatest::Reporter* reporter, CCPRPathDrawer& ccpr) override { |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| |
| // Make a path large enough that ccpr chooses to crop it by the RT bounds, and ends up with |
| // an empty path. |
| SkPath largeOutsidePath; |
| largeOutsidePath.moveTo(-1e30f, -1e30f); |
| largeOutsidePath.lineTo(-1e30f, +1e30f); |
| largeOutsidePath.lineTo(-1e10f, +1e30f); |
| ccpr.drawPath(largeOutsidePath); |
| |
| // Normally an empty path is culled before reaching ccpr, however we use a back door for |
| // testing so this path will make it. |
| SkPath emptyPath; |
| SkASSERT(emptyPath.isEmpty()); |
| ccpr.drawPath(emptyPath); |
| |
| // This is the test. It will exercise various internal asserts and verify we do not crash. |
| ccpr.flush(); |
| |
| // Now try again with clips. |
| ccpr.clipFullscreenRect(largeOutsidePath); |
| ccpr.clipFullscreenRect(emptyPath); |
| ccpr.flush(); |
| |
| // ... and both. |
| ccpr.drawPath(largeOutsidePath); |
| ccpr.clipFullscreenRect(largeOutsidePath); |
| ccpr.drawPath(emptyPath); |
| ccpr.clipFullscreenRect(emptyPath); |
| ccpr.flush(); |
| } |
| }; |
| DEF_CCPR_TEST(GrCCPRTest_parseEmptyPath) |
| |
| // This test exercises CCPR's cache capabilities by drawing many paths with two different |
| // transformation matrices. We then vary the matrices independently by whole and partial pixels, |
| // and verify the caching behaved as expected. |
| class GrCCPRTest_cache : public CCPRTest { |
| void customizeOptions(GrMockOptions*, GrContextOptions* ctxOptions) override { |
| ctxOptions->fAllowPathMaskCaching = true; |
| } |
| |
| void onRun(skiatest::Reporter* reporter, CCPRPathDrawer& ccpr) override { |
| static constexpr int kPathSize = 20; |
| SkRandom rand; |
| |
| SkPath paths[300]; |
| int primes[11] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31}; |
| for (size_t i = 0; i < SK_ARRAY_COUNT(paths); ++i) { |
| int numPts = rand.nextRangeU(GrShape::kMaxKeyFromDataVerbCnt + 1, |
| GrShape::kMaxKeyFromDataVerbCnt * 2); |
| paths[i] = sk_tool_utils::make_star(SkRect::MakeIWH(kPathSize, kPathSize), numPts, |
| primes[rand.nextU() % SK_ARRAY_COUNT(primes)]); |
| } |
| |
| SkMatrix matrices[2] = { |
| SkMatrix::MakeTrans(5, 5), |
| SkMatrix::MakeTrans(kCanvasSize - kPathSize - 5, kCanvasSize - kPathSize - 5) |
| }; |
| |
| int firstAtlasID = -1; |
| |
| for (int iterIdx = 0; iterIdx < 10; ++iterIdx) { |
| static constexpr int kNumHitsBeforeStash = 2; |
| static const GrUniqueKey gInvalidUniqueKey; |
| |
| // Draw all the paths then flush. Repeat until a new stash occurs. |
| const GrUniqueKey* stashedAtlasKey = &gInvalidUniqueKey; |
| for (int j = 0; j < kNumHitsBeforeStash; ++j) { |
| // Nothing should be stashed until its hit count reaches kNumHitsBeforeStash. |
| REPORTER_ASSERT(reporter, !stashedAtlasKey->isValid()); |
| |
| for (size_t i = 0; i < SK_ARRAY_COUNT(paths); ++i) { |
| ccpr.drawPath(paths[i], matrices[i % 2]); |
| } |
| ccpr.flush(); |
| |
| stashedAtlasKey = &ccpr.ccpr()->testingOnly_getStashedAtlasKey(); |
| } |
| |
| // Figure out the mock backend ID of the atlas texture stashed away by CCPR. |
| GrMockTextureInfo stashedAtlasInfo; |
| stashedAtlasInfo.fID = -1; |
| if (stashedAtlasKey->isValid()) { |
| GrResourceProvider* rp = ccpr.ctx()->contextPriv().resourceProvider(); |
| sk_sp<GrSurface> stashedAtlas = rp->findByUniqueKey<GrSurface>(*stashedAtlasKey); |
| REPORTER_ASSERT(reporter, stashedAtlas); |
| if (stashedAtlas) { |
| const auto& backendTexture = stashedAtlas->asTexture()->getBackendTexture(); |
| backendTexture.getMockTextureInfo(&stashedAtlasInfo); |
| } |
| } |
| |
| if (0 == iterIdx) { |
| // First iteration: just note the ID of the stashed atlas and continue. |
| REPORTER_ASSERT(reporter, stashedAtlasKey->isValid()); |
| firstAtlasID = stashedAtlasInfo.fID; |
| continue; |
| } |
| |
| switch (iterIdx % 3) { |
| case 1: |
| // This draw should have gotten 100% cache hits; we only did integer translates |
| // last time (or none if it was the first flush). Therefore, no atlas should |
| // have been stashed away. |
| REPORTER_ASSERT(reporter, !stashedAtlasKey->isValid()); |
| |
| // Invalidate even path masks. |
| matrices[0].preTranslate(1.6f, 1.4f); |
| break; |
| |
| case 2: |
| // Even path masks were invalidated last iteration by a subpixel translate. They |
| // should have been re-rendered this time and stashed away in the CCPR atlas. |
| REPORTER_ASSERT(reporter, stashedAtlasKey->isValid()); |
| |
| // 'firstAtlasID' should be kept as a scratch texture in the resource cache. |
| REPORTER_ASSERT(reporter, stashedAtlasInfo.fID == firstAtlasID); |
| |
| // Invalidate odd path masks. |
| matrices[1].preTranslate(-1.4f, -1.6f); |
| break; |
| |
| case 0: |
| // Odd path masks were invalidated last iteration by a subpixel translate. They |
| // should have been re-rendered this time and stashed away in the CCPR atlas. |
| REPORTER_ASSERT(reporter, stashedAtlasKey->isValid()); |
| |
| // 'firstAtlasID' is the same texture that got stashed away last time (assuming |
| // no assertion failures). So if it also got stashed this time, it means we |
| // first copied the even paths out of it, then recycled the exact same texture |
| // to render the odd paths. This is the expected behavior. |
| REPORTER_ASSERT(reporter, stashedAtlasInfo.fID == firstAtlasID); |
| |
| // Integer translates: all path masks stay valid. |
| matrices[0].preTranslate(-1, -1); |
| matrices[1].preTranslate(1, 1); |
| break; |
| } |
| } |
| } |
| }; |
| DEF_CCPR_TEST(GrCCPRTest_cache) |
| |
| class GrCCPRTest_unrefPerOpListPathsBeforeOps : public CCPRTest { |
| void onRun(skiatest::Reporter* reporter, CCPRPathDrawer& ccpr) override { |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| for (int i = 0; i < 10000; ++i) { |
| // Draw enough paths to make the arena allocator hit the heap. |
| ccpr.drawPath(fPath); |
| } |
| |
| // Unref the GrCCPerOpListPaths object. |
| auto perOpListPathsMap = ccpr.ccpr()->detachPendingPaths(); |
| perOpListPathsMap.clear(); |
| |
| // Now delete the Op and all its draws. |
| REPORTER_ASSERT(reporter, !SkPathPriv::TestingOnly_unique(fPath)); |
| ccpr.flush(); |
| REPORTER_ASSERT(reporter, SkPathPriv::TestingOnly_unique(fPath)); |
| } |
| }; |
| DEF_CCPR_TEST(GrCCPRTest_unrefPerOpListPathsBeforeOps) |
| |
| class CCPRRenderingTest { |
| public: |
| void run(skiatest::Reporter* reporter, GrContext* ctx, bool doStroke) const { |
| if (!ctx->contextPriv().drawingManager()->getCoverageCountingPathRenderer()) { |
| return; // CCPR is not enabled on this GPU. |
| } |
| CCPRPathDrawer ccpr(ctx, reporter, doStroke); |
| if (!ccpr.valid()) { |
| return; |
| } |
| this->onRun(reporter, ccpr); |
| } |
| |
| virtual ~CCPRRenderingTest() {} |
| |
| protected: |
| virtual void onRun(skiatest::Reporter* reporter, const CCPRPathDrawer& ccpr) const = 0; |
| }; |
| |
| #define DEF_CCPR_RENDERING_TEST(name) \ |
| DEF_GPUTEST_FOR_RENDERING_CONTEXTS(name, reporter, ctxInfo) { \ |
| name test; \ |
| test.run(reporter, ctxInfo.grContext(), false); \ |
| test.run(reporter, ctxInfo.grContext(), true); \ |
| } |
| |
| class GrCCPRTest_busyPath : public CCPRRenderingTest { |
| void onRun(skiatest::Reporter* reporter, const CCPRPathDrawer& ccpr) const override { |
| static constexpr int kNumBusyVerbs = 1 << 17; |
| ccpr.clear(); |
| SkPath busyPath; |
| busyPath.moveTo(0, 0); // top left |
| busyPath.lineTo(kCanvasSize, kCanvasSize); // bottom right |
| for (int i = 2; i < kNumBusyVerbs; ++i) { |
| float offset = i * ((float)kCanvasSize / kNumBusyVerbs); |
| busyPath.lineTo(kCanvasSize - offset, kCanvasSize + offset); // offscreen |
| } |
| ccpr.drawPath(busyPath); |
| |
| ccpr.flush(); // If this doesn't crash, the test passed. |
| // If it does, maybe fiddle with fMaxInstancesPerDrawArraysWithoutCrashing in |
| // your platform's GrGLCaps. |
| } |
| }; |
| DEF_CCPR_RENDERING_TEST(GrCCPRTest_busyPath) |
