| /* |
| * 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 "Test.h" |
| |
| #if SK_SUPPORT_GPU |
| |
| #include "GrBackendSemaphore.h" |
| #include "GrClip.h" |
| #include "GrContextPriv.h" |
| #include "GrDefaultGeoProcFactory.h" |
| #include "GrOnFlushResourceProvider.h" |
| #include "GrProxyProvider.h" |
| #include "GrRenderTargetContextPriv.h" |
| #include "GrResourceProvider.h" |
| #include "GrQuad.h" |
| #include "SkBitmap.h" |
| #include "SkPointPriv.h" |
| #include "effects/GrSimpleTextureEffect.h" |
| #include "ops/GrSimpleMeshDrawOpHelper.h" |
| |
| namespace { |
| // This is a simplified mesh drawing op that can be used in the atlas generation test. |
| // Please see AtlasedRectOp below. |
| class NonAARectOp : public GrMeshDrawOp { |
| protected: |
| using Helper = GrSimpleMeshDrawOpHelper; |
| |
| public: |
| DEFINE_OP_CLASS_ID |
| |
| // This creates an instance of a simple non-AA solid color rect-drawing Op |
| static std::unique_ptr<GrDrawOp> Make(GrPaint&& paint, const SkRect& r) { |
| return Helper::FactoryHelper<NonAARectOp>(std::move(paint), r, nullptr, ClassID()); |
| } |
| |
| // This creates an instance of a simple non-AA textured rect-drawing Op |
| static std::unique_ptr<GrDrawOp> Make(GrPaint&& paint, const SkRect& r, const SkRect& local) { |
| return Helper::FactoryHelper<NonAARectOp>(std::move(paint), r, &local, ClassID()); |
| } |
| |
| GrColor color() const { return fColor; } |
| |
| NonAARectOp(const Helper::MakeArgs& helperArgs, GrColor color, const SkRect& r, |
| const SkRect* localRect, int32_t classID) |
| : INHERITED(classID) |
| , fColor(color) |
| , fHasLocalRect(SkToBool(localRect)) |
| , fRect(r) |
| , fHelper(helperArgs, GrAAType::kNone) { |
| if (fHasLocalRect) { |
| fLocalQuad.set(*localRect); |
| } |
| // Choose some conservative values for aa bloat and zero area. |
| this->setBounds(r, HasAABloat::kYes, IsZeroArea::kYes); |
| } |
| |
| const char* name() const override { return "NonAARectOp"; } |
| |
| void visitProxies(const VisitProxyFunc& func) const override { |
| fHelper.visitProxies(func); |
| } |
| |
| FixedFunctionFlags fixedFunctionFlags() const override { return FixedFunctionFlags::kNone; } |
| |
| RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip*, |
| GrPixelConfigIsClamped dstIsClamped) override { |
| // Set the color to unknown because the subclass may change the color later. |
| GrProcessorAnalysisColor gpColor; |
| gpColor.setToUnknown(); |
| // We ignore the clip so pass this rather than the GrAppliedClip param. |
| static GrAppliedClip kNoClip; |
| return fHelper.xpRequiresDstTexture(caps, &kNoClip, dstIsClamped, |
| GrProcessorAnalysisCoverage::kNone, &gpColor); |
| } |
| |
| protected: |
| GrColor fColor; |
| bool fHasLocalRect; |
| GrQuad fLocalQuad; |
| SkRect fRect; |
| |
| private: |
| bool onCombineIfPossible(GrOp*, const GrCaps&) override { return false; } |
| |
| void onPrepareDraws(Target* target) override { |
| using namespace GrDefaultGeoProcFactory; |
| |
| // The vertex attrib order is always pos, color, local coords. |
| static const int kColorOffset = sizeof(SkPoint); |
| static const int kLocalOffset = sizeof(SkPoint) + sizeof(GrColor); |
| |
| sk_sp<GrGeometryProcessor> gp = |
| GrDefaultGeoProcFactory::Make(Color::kPremulGrColorAttribute_Type, |
| Coverage::kSolid_Type, |
| fHasLocalRect ? LocalCoords::kHasExplicit_Type |
| : LocalCoords::kUnused_Type, |
| SkMatrix::I()); |
| if (!gp) { |
| SkDebugf("Couldn't create GrGeometryProcessor for GrAtlasedOp\n"); |
| return; |
| } |
| |
| size_t vertexStride = gp->getVertexStride(); |
| |
| SkASSERT(fHasLocalRect |
| ? vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorLocalCoordAttr) |
| : vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAttr)); |
| |
| const GrBuffer* indexBuffer; |
| int firstIndex; |
| uint16_t* indices = target->makeIndexSpace(6, &indexBuffer, &firstIndex); |
| if (!indices) { |
| SkDebugf("Indices could not be allocated for GrAtlasedOp.\n"); |
| return; |
| } |
| |
| const GrBuffer* vertexBuffer; |
| int firstVertex; |
| void* vertices = target->makeVertexSpace(vertexStride, 4, &vertexBuffer, &firstVertex); |
| if (!vertices) { |
| SkDebugf("Vertices could not be allocated for GrAtlasedOp.\n"); |
| return; |
| } |
| |
| // Setup indices |
| indices[0] = 0; |
| indices[1] = 1; |
| indices[2] = 2; |
| indices[3] = 2; |
| indices[4] = 1; |
| indices[5] = 3; |
| |
| // Setup positions |
| SkPoint* position = (SkPoint*) vertices; |
| SkPointPriv::SetRectTriStrip(position, fRect.fLeft, fRect.fTop, fRect.fRight, fRect.fBottom, |
| vertexStride); |
| |
| // Setup vertex colors |
| GrColor* color = (GrColor*)((intptr_t)vertices + kColorOffset); |
| for (int i = 0; i < 4; ++i) { |
| *color = fColor; |
| color = (GrColor*)((intptr_t)color + vertexStride); |
| } |
| |
| // Setup local coords |
| if (fHasLocalRect) { |
| SkPoint* coords = (SkPoint*)((intptr_t) vertices + kLocalOffset); |
| for (int i = 0; i < 4; i++) { |
| *coords = fLocalQuad.point(i); |
| coords = (SkPoint*)((intptr_t) coords + vertexStride); |
| } |
| } |
| |
| GrMesh mesh(GrPrimitiveType::kTriangles); |
| mesh.setIndexed(indexBuffer, 6, firstIndex, 0, 3); |
| mesh.setVertexData(vertexBuffer, firstVertex); |
| |
| target->draw(gp.get(), fHelper.makePipeline(target), mesh); |
| } |
| |
| Helper fHelper; |
| |
| typedef GrMeshDrawOp INHERITED; |
| }; |
| |
| } // anonymous namespace |
| |
| static constexpr SkRect kEmptyRect = SkRect::MakeEmpty(); |
| |
| namespace { |
| |
| /* |
| * Atlased ops just draw themselves as textured rects with the texture pixels being |
| * pulled out of the atlas. Their color is based on their ID. |
| */ |
| class AtlasedRectOp final : public NonAARectOp { |
| public: |
| DEFINE_OP_CLASS_ID |
| |
| ~AtlasedRectOp() override { |
| fID = -1; |
| } |
| |
| const char* name() const override { return "AtlasedRectOp"; } |
| |
| int id() const { return fID; } |
| |
| static std::unique_ptr<AtlasedRectOp> Make(GrPaint&& paint, const SkRect& r, int id) { |
| GrDrawOp* op = Helper::FactoryHelper<AtlasedRectOp>(std::move(paint), r, id).release(); |
| return std::unique_ptr<AtlasedRectOp>(static_cast<AtlasedRectOp*>(op)); |
| } |
| |
| // We set the initial color of the NonAARectOp based on the ID. |
| // Note that we force creation of a NonAARectOp that has local coords in anticipation of |
| // pulling from the atlas. |
| AtlasedRectOp(const Helper::MakeArgs& helperArgs, GrColor color, const SkRect& r, int id) |
| : INHERITED(helperArgs, kColors[id], r, &kEmptyRect, ClassID()) |
| , fID(id) |
| , fNext(nullptr) { |
| SkASSERT(fID < kMaxIDs); |
| } |
| |
| void setColor(GrColor color) { fColor = color; } |
| void setLocalRect(const SkRect& localRect) { |
| SkASSERT(fHasLocalRect); // This should've been created to anticipate this |
| fLocalQuad.set(localRect); |
| } |
| |
| AtlasedRectOp* next() const { return fNext; } |
| void setNext(AtlasedRectOp* next) { |
| fNext = next; |
| } |
| |
| private: |
| |
| static const int kMaxIDs = 9; |
| static const SkColor kColors[kMaxIDs]; |
| |
| int fID; |
| // The Atlased ops have an internal singly-linked list of ops that land in the same opList |
| AtlasedRectOp* fNext; |
| |
| typedef NonAARectOp INHERITED; |
| }; |
| |
| } // anonymous namespace |
| |
| const GrColor AtlasedRectOp::kColors[kMaxIDs] = { |
| GrColorPackRGBA(255, 0, 0, 255), |
| GrColorPackRGBA(0, 255, 0, 255), |
| GrColorPackRGBA(0, 0, 255, 255), |
| GrColorPackRGBA(0, 255, 255, 255), |
| GrColorPackRGBA(255, 0, 255, 255), |
| GrColorPackRGBA(255, 255, 0, 255), |
| GrColorPackRGBA(0, 0, 0, 255), |
| GrColorPackRGBA(128, 128, 128, 255), |
| GrColorPackRGBA(255, 255, 255, 255) |
| }; |
| |
| static const int kDrawnTileSize = 16; |
| |
| /* |
| * Rather than performing any rect packing, this atlaser just lays out constant-sized |
| * tiles in an Nx1 row |
| */ |
| static const int kAtlasTileSize = 2; |
| |
| /* |
| * This class aggregates the op information required for atlasing |
| */ |
| class AtlasObject final : public GrOnFlushCallbackObject { |
| public: |
| AtlasObject() : fDone(false) { } |
| |
| ~AtlasObject() override { |
| SkASSERT(fDone); |
| } |
| |
| void markAsDone() { |
| fDone = true; |
| } |
| |
| // Insert the new op in an internal singly-linked list for 'opListID' |
| void addOp(uint32_t opListID, AtlasedRectOp* op) { |
| LinkedListHeader* header = nullptr; |
| for (int i = 0; i < fOps.count(); ++i) { |
| if (opListID == fOps[i].fID) { |
| header = &(fOps[i]); |
| } |
| } |
| |
| if (!header) { |
| fOps.push({opListID, nullptr}); |
| header = &(fOps[fOps.count()-1]); |
| } |
| |
| op->setNext(header->fHead); |
| header->fHead = op; |
| } |
| |
| // For the time being we need to pre-allocate the atlas. |
| void setAtlasDest(sk_sp<GrTextureProxy> atlasDest) { |
| fAtlasDest = atlasDest; |
| } |
| |
| /* |
| * This callback back creates the atlas and updates the AtlasedRectOps to read from it |
| */ |
| void preFlush(GrOnFlushResourceProvider* resourceProvider, |
| const uint32_t* opListIDs, int numOpListIDs, |
| SkTArray<sk_sp<GrRenderTargetContext>>* results) override { |
| SkASSERT(!results->count()); |
| |
| // Until MDB is landed we will most-likely only have one opList. |
| SkTDArray<LinkedListHeader*> lists; |
| for (int i = 0; i < numOpListIDs; ++i) { |
| if (LinkedListHeader* list = this->getList(opListIDs[i])) { |
| lists.push(list); |
| } |
| } |
| |
| if (!lists.count()) { |
| return; // nothing to atlas |
| } |
| |
| // TODO: right now we have to pre-allocate the atlas bc the TextureSamplers need a |
| // hard GrTexture |
| #if 0 |
| GrSurfaceDesc desc; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fWidth = this->numOps() * kAtlasTileSize; |
| desc.fHeight = kAtlasTileSize; |
| desc.fConfig = kRGBA_8888_GrPixelConfig; |
| |
| sk_sp<GrRenderTargetContext> rtc = resourceProvider->makeRenderTargetContext(desc, |
| nullptr, |
| nullptr); |
| #else |
| // At this point all the GrAtlasedOp's should have lined up to read from 'atlasDest' and |
| // there should either be two writes to clear it or no writes. |
| SkASSERT(9 == fAtlasDest->getPendingReadCnt_TestOnly()); |
| SkASSERT(2 == fAtlasDest->getPendingWriteCnt_TestOnly() || |
| 0 == fAtlasDest->getPendingWriteCnt_TestOnly()); |
| sk_sp<GrRenderTargetContext> rtc = resourceProvider->makeRenderTargetContext( |
| fAtlasDest, |
| nullptr, nullptr); |
| #endif |
| |
| // clear the atlas |
| rtc->clear(nullptr, 0xFFFFFFFF, GrRenderTargetContext::CanClearFullscreen::kYes); |
| |
| int blocksInAtlas = 0; |
| for (int i = 0; i < lists.count(); ++i) { |
| for (AtlasedRectOp* op = lists[i]->fHead; op; op = op->next()) { |
| SkIRect r = SkIRect::MakeXYWH(blocksInAtlas*kAtlasTileSize, 0, |
| kAtlasTileSize, kAtlasTileSize); |
| |
| // For now, we avoid the resource buffer issues and just use clears |
| #if 1 |
| rtc->clear(&r, op->color(), GrRenderTargetContext::CanClearFullscreen::kNo); |
| #else |
| GrPaint paint; |
| paint.setColor4f(GrColor4f::FromGrColor(op->color())); |
| std::unique_ptr<GrDrawOp> drawOp(NonAARectOp::Make(std::move(paint), |
| SkRect::Make(r))); |
| rtc->priv().testingOnly_addDrawOp(std::move(drawOp)); |
| #endif |
| blocksInAtlas++; |
| |
| // Set the atlased Op's color to white (so we know we're not using it for |
| // the final draw). |
| op->setColor(0xFFFFFFFF); |
| |
| // Set the atlased Op's localRect to point to where it landed in the atlas |
| op->setLocalRect(SkRect::Make(r)); |
| |
| // TODO: we also need to set the op's GrSuperDeferredSimpleTextureEffect to point |
| // to the rtc's proxy! |
| } |
| |
| // We've updated all these ops and we certainly don't want to process them again |
| this->clearOpsFor(lists[i]); |
| } |
| |
| results->push_back(std::move(rtc)); |
| } |
| |
| private: |
| typedef struct { |
| uint32_t fID; |
| AtlasedRectOp* fHead; |
| } LinkedListHeader; |
| |
| LinkedListHeader* getList(uint32_t opListID) { |
| for (int i = 0; i < fOps.count(); ++i) { |
| if (opListID == fOps[i].fID) { |
| return &(fOps[i]); |
| } |
| } |
| return nullptr; |
| } |
| |
| void clearOpsFor(LinkedListHeader* header) { |
| // The AtlasedRectOps have yet to execute (and this class doesn't own them) so just |
| // forget about them in the laziest way possible. |
| header->fHead = nullptr; |
| header->fID = 0; // invalid opList ID |
| } |
| |
| // Each opList containing AtlasedRectOps gets its own internal singly-linked list |
| SkTDArray<LinkedListHeader> fOps; |
| |
| // For the time being we need to pre-allocate the atlas bc the TextureSamplers require |
| // a GrTexture |
| sk_sp<GrTextureProxy> fAtlasDest; |
| |
| // Set to true when the testing harness expects this object to be no longer used |
| bool fDone; |
| }; |
| |
| // This creates an off-screen rendertarget whose ops which eventually pull from the atlas. |
| static sk_sp<GrTextureProxy> make_upstream_image(GrContext* context, AtlasObject* object, int start, |
| sk_sp<GrTextureProxy> fakeAtlas) { |
| sk_sp<GrRenderTargetContext> rtc(context->makeDeferredRenderTargetContext( |
| SkBackingFit::kApprox, |
| 3*kDrawnTileSize, |
| kDrawnTileSize, |
| kRGBA_8888_GrPixelConfig, |
| nullptr)); |
| |
| rtc->clear(nullptr, GrColorPackRGBA(255, 0, 0, 255), |
| GrRenderTargetContext::CanClearFullscreen::kYes); |
| |
| for (int i = 0; i < 3; ++i) { |
| SkRect r = SkRect::MakeXYWH(i*kDrawnTileSize, 0, kDrawnTileSize, kDrawnTileSize); |
| |
| auto fp = GrSimpleTextureEffect::Make(fakeAtlas, SkMatrix::I()); |
| GrPaint paint; |
| paint.addColorFragmentProcessor(std::move(fp)); |
| paint.setPorterDuffXPFactory(SkBlendMode::kSrc); |
| std::unique_ptr<AtlasedRectOp> op(AtlasedRectOp::Make(std::move(paint), r, start + i)); |
| |
| AtlasedRectOp* sparePtr = op.get(); |
| |
| uint32_t opListID = rtc->priv().testingOnly_addDrawOp(std::move(op)); |
| |
| object->addOp(opListID, sparePtr); |
| } |
| |
| return rtc->asTextureProxyRef(); |
| } |
| |
| // Enable this if you want to debug the final draws w/o having the atlasCallback create the |
| // atlas |
| #if 0 |
| #include "SkImageEncoder.h" |
| #include "SkGrPriv.h" |
| #include "sk_tool_utils.h" |
| |
| static void save_bm(const SkBitmap& bm, const char name[]) { |
| bool result = sk_tool_utils::EncodeImageToFile(name, bm, SkEncodedImageFormat::kPNG, 100); |
| SkASSERT(result); |
| } |
| |
| sk_sp<GrTextureProxy> pre_create_atlas(GrContext* context) { |
| SkBitmap bm; |
| bm.allocN32Pixels(18, 2, true); |
| bm.erase(SK_ColorRED, SkIRect::MakeXYWH(0, 0, 2, 2)); |
| bm.erase(SK_ColorGREEN, SkIRect::MakeXYWH(2, 0, 2, 2)); |
| bm.erase(SK_ColorBLUE, SkIRect::MakeXYWH(4, 0, 2, 2)); |
| bm.erase(SK_ColorCYAN, SkIRect::MakeXYWH(6, 0, 2, 2)); |
| bm.erase(SK_ColorMAGENTA, SkIRect::MakeXYWH(8, 0, 2, 2)); |
| bm.erase(SK_ColorYELLOW, SkIRect::MakeXYWH(10, 0, 2, 2)); |
| bm.erase(SK_ColorBLACK, SkIRect::MakeXYWH(12, 0, 2, 2)); |
| bm.erase(SK_ColorGRAY, SkIRect::MakeXYWH(14, 0, 2, 2)); |
| bm.erase(SK_ColorWHITE, SkIRect::MakeXYWH(16, 0, 2, 2)); |
| |
| #if 1 |
| save_bm(bm, "atlas-fake.png"); |
| #endif |
| |
| GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(bm.info(), *context->caps()); |
| desc.fFlags |= kRenderTarget_GrSurfaceFlag; |
| |
| sk_sp<GrSurfaceProxy> tmp = GrSurfaceProxy::MakeDeferred(*context->caps(), |
| context->textureProvider(), |
| desc, SkBudgeted::kYes, |
| bm.getPixels(), bm.rowBytes()); |
| |
| return sk_ref_sp(tmp->asTextureProxy()); |
| } |
| #else |
| // TODO: this is unfortunate and must be removed. We want the atlas to be created later. |
| sk_sp<GrTextureProxy> pre_create_atlas(GrProxyProvider* proxyProvider) { |
| GrSurfaceDesc desc; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fOrigin = kBottomLeft_GrSurfaceOrigin; |
| desc.fWidth = 32; |
| desc.fHeight = 16; |
| desc.fConfig = kSkia8888_GrPixelConfig; |
| |
| return proxyProvider->createProxy(desc, SkBackingFit::kExact, SkBudgeted::kYes, |
| GrResourceProvider::kNoPendingIO_Flag); |
| } |
| #endif |
| |
| static void test_color(skiatest::Reporter* reporter, const SkBitmap& bm, int x, SkColor expected) { |
| SkColor readback = bm.getColor(x, kDrawnTileSize/2); |
| REPORTER_ASSERT(reporter, expected == readback); |
| if (expected != readback) { |
| SkDebugf("Color mismatch: %x %x\n", expected, readback); |
| } |
| } |
| |
| /* |
| * For the atlasing test we make a DAG that looks like: |
| * |
| * RT1 with ops: 0,1,2 RT2 with ops: 3,4,5 RT3 with ops: 6,7,8 |
| * \ / |
| * \ / |
| * RT4 |
| * We then flush RT4 and expect only ops 0-5 to be atlased together. |
| * Each op is just a solid colored rect so both the atlas and the final image should appear as: |
| * R G B C M Y |
| * with the atlas having width = 6*kAtlasTileSize and height = kAtlasTileSize. |
| * |
| * Note: until MDB lands, the atlas will actually have width= 9*kAtlasTileSize and look like: |
| * R G B C M Y K Grey White |
| */ |
| DEF_GPUTEST_FOR_GL_RENDERING_CONTEXTS(OnFlushCallbackTest, reporter, ctxInfo) { |
| static const int kNumProxies = 3; |
| |
| GrContext* context = ctxInfo.grContext(); |
| |
| AtlasObject object; |
| |
| // For now (until we add a GrSuperDeferredSimpleTextureEffect), we create the final atlas |
| // proxy ahead of time. |
| sk_sp<GrTextureProxy> atlasDest = pre_create_atlas(context->contextPriv().proxyProvider()); |
| |
| object.setAtlasDest(atlasDest); |
| |
| context->contextPriv().addOnFlushCallbackObject(&object); |
| |
| sk_sp<GrTextureProxy> proxies[kNumProxies]; |
| for (int i = 0; i < kNumProxies; ++i) { |
| proxies[i] = make_upstream_image(context, &object, i*3, atlasDest); |
| } |
| |
| static const int kFinalWidth = 6*kDrawnTileSize; |
| static const int kFinalHeight = kDrawnTileSize; |
| |
| sk_sp<GrRenderTargetContext> rtc(context->makeDeferredRenderTargetContext( |
| SkBackingFit::kApprox, |
| kFinalWidth, |
| kFinalHeight, |
| kRGBA_8888_GrPixelConfig, |
| nullptr)); |
| |
| rtc->clear(nullptr, 0xFFFFFFFF, GrRenderTargetContext::CanClearFullscreen::kYes); |
| |
| // Note that this doesn't include the third texture proxy |
| for (int i = 0; i < kNumProxies-1; ++i) { |
| SkRect r = SkRect::MakeXYWH(i*3*kDrawnTileSize, 0, 3*kDrawnTileSize, kDrawnTileSize); |
| |
| SkMatrix t = SkMatrix::MakeTrans(-i*3*kDrawnTileSize, 0); |
| |
| GrPaint paint; |
| auto fp = GrSimpleTextureEffect::Make(std::move(proxies[i]), t); |
| paint.setPorterDuffXPFactory(SkBlendMode::kSrc); |
| paint.addColorFragmentProcessor(std::move(fp)); |
| |
| rtc->drawRect(GrNoClip(), std::move(paint), GrAA::kNo, SkMatrix::I(), r); |
| } |
| |
| rtc->prepareForExternalIO(0, nullptr); |
| |
| SkBitmap readBack; |
| readBack.allocN32Pixels(kFinalWidth, kFinalHeight); |
| |
| SkDEBUGCODE(bool result =) rtc->readPixels(readBack.info(), readBack.getPixels(), |
| readBack.rowBytes(), 0, 0); |
| SkASSERT(result); |
| |
| context->contextPriv().testingOnly_flushAndRemoveOnFlushCallbackObject(&object); |
| |
| object.markAsDone(); |
| |
| int x = kDrawnTileSize/2; |
| test_color(reporter, readBack, x, SK_ColorRED); |
| x += kDrawnTileSize; |
| test_color(reporter, readBack, x, SK_ColorGREEN); |
| x += kDrawnTileSize; |
| test_color(reporter, readBack, x, SK_ColorBLUE); |
| x += kDrawnTileSize; |
| test_color(reporter, readBack, x, SK_ColorCYAN); |
| x += kDrawnTileSize; |
| test_color(reporter, readBack, x, SK_ColorMAGENTA); |
| x += kDrawnTileSize; |
| test_color(reporter, readBack, x, SK_ColorYELLOW); |
| } |
| |
| #endif |
