| /* |
| * 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" |
| |
| #if SK_SUPPORT_GPU |
| |
| #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 "SkMatrix.h" |
| #include "SkPathPriv.h" |
| #include "SkRect.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 { |
| GrProxyProvider* proxyProvider = context->contextPriv().proxyProvider(); |
| out->addCoverageFP(fCCPR->makeClipProcessor(proxyProvider, |
| rtc->priv().testingOnly_getOpListID(), fPath, |
| SkIRect::MakeWH(rtc->width(), rtc->height()), |
| rtc->width(), rtc->height())); |
| 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) |
| : fCtx(ctx) |
| , fCCPR(fCtx->contextPriv().drawingManager()->getCoverageCountingPathRenderer()) |
| , fRTC(fCtx->contextPriv().makeDeferredRenderTargetContext( |
| SkBackingFit::kExact, kCanvasSize, |
| kCanvasSize, kRGBA_8888_GrPixelConfig, |
| nullptr)) { |
| if (!fCCPR) { |
| ERRORF(reporter, "ccpr not enabled in GrContext for ccpr tests"); |
| } |
| if (!fRTC) { |
| ERRORF(reporter, "failed to create GrRenderTargetContext for ccpr tests"); |
| } |
| } |
| |
| bool valid() const { return fCCPR && fRTC; } |
| void clear() const { fRTC->clear(nullptr, 0, GrRenderTargetContext::CanClearFullscreen::kYes); } |
| void abandonGrContext() { fCtx = nullptr; fCCPR = nullptr; fRTC = nullptr; } |
| |
| void drawPath(SkPath path, GrColor4f color = GrColor4f(0, 1, 0, 1)) const { |
| SkASSERT(this->valid()); |
| |
| GrPaint paint; |
| paint.setColor4f(color); |
| |
| GrNoClip noClip; |
| SkIRect clipBounds = SkIRect::MakeWH(kCanvasSize, kCanvasSize); |
| |
| SkMatrix matrix = SkMatrix::I(); |
| |
| path.setIsVolatile(true); |
| GrShape shape(path); |
| |
| fCCPR->drawPath({fCtx, std::move(paint), &GrUserStencilSettings::kUnused, fRTC.get(), |
| &noClip, &clipBounds, &matrix, &shape, GrAAType::kCoverage, false}); |
| } |
| |
| void clipFullscreenRect(SkPath clipPath, GrColor4f color = GrColor4f(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; |
| }; |
| |
| class CCPRTest { |
| public: |
| void run(skiatest::Reporter* reporter) { |
| 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.fGeometryShaderSupport = true; |
| mockOptions.fIntegerSupport = true; |
| mockOptions.fFlatInterpolationSupport = true; |
| |
| GrContextOptions ctxOptions; |
| ctxOptions.fAllowPathMaskCaching = false; |
| ctxOptions.fGpuPathRenderers = GpuPathRenderers::kCoverageCounting; |
| |
| 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); |
| 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 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); \ |
| } |
| |
| 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); |
| 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_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) |
| |
| class CCPRRenderingTest { |
| public: |
| void run(skiatest::Reporter* reporter, GrContext* ctx) const { |
| if (!ctx->contextPriv().drawingManager()->getCoverageCountingPathRenderer()) { |
| return; // CCPR is not enabled on this GPU. |
| } |
| CCPRPathDrawer ccpr(ctx, reporter); |
| 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()); \ |
| } |
| |
| 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) |
| |
| #endif |