| /* | |
| * 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 "GrTextureOp.h" | |
| #include <new> | |
| #include "GrAppliedClip.h" | |
| #include "GrCaps.h" | |
| #include "GrDrawOpTest.h" | |
| #include "GrGeometryProcessor.h" | |
| #include "GrGpu.h" | |
| #include "GrMemoryPool.h" | |
| #include "GrMeshDrawOp.h" | |
| #include "GrOpFlushState.h" | |
| #include "GrQuad.h" | |
| #include "GrQuadPerEdgeAA.h" | |
| #include "GrRecordingContext.h" | |
| #include "GrRecordingContextPriv.h" | |
| #include "GrResourceProvider.h" | |
| #include "GrResourceProviderPriv.h" | |
| #include "GrShaderCaps.h" | |
| #include "GrTexture.h" | |
| #include "GrTexturePriv.h" | |
| #include "GrTextureProxy.h" | |
| #include "SkGr.h" | |
| #include "SkMathPriv.h" | |
| #include "SkMatrixPriv.h" | |
| #include "SkPoint.h" | |
| #include "SkPoint3.h" | |
| #include "SkRectPriv.h" | |
| #include "SkTo.h" | |
| #include "glsl/GrGLSLVarying.h" | |
| namespace { | |
| using Domain = GrQuadPerEdgeAA::Domain; | |
| using VertexSpec = GrQuadPerEdgeAA::VertexSpec; | |
| using ColorType = GrQuadPerEdgeAA::ColorType; | |
| // if normalizing the domain then pass 1/width, 1/height, 1 for iw, ih, h. Otherwise pass | |
| // 1, 1, and height. | |
| static SkRect compute_domain(Domain domain, GrSamplerState::Filter filter, GrSurfaceOrigin origin, | |
| const SkRect& srcRect, float iw, float ih, float h) { | |
| static constexpr SkRect kLargeRect = {-100000, -100000, 1000000, 1000000}; | |
| if (domain == Domain::kNo) { | |
| // Either the quad has no domain constraint and is batched with a domain constrained op | |
| // (in which case we want a domain that doesn't restrict normalized tex coords), or the | |
| // entire op doesn't use the domain, in which case the returned value is ignored. | |
| return kLargeRect; | |
| } | |
| auto ltrb = Sk4f::Load(&srcRect); | |
| if (filter == GrSamplerState::Filter::kBilerp) { | |
| auto rblt = SkNx_shuffle<2, 3, 0, 1>(ltrb); | |
| auto whwh = (rblt - ltrb).abs(); | |
| auto c = (rblt + ltrb) * 0.5f; | |
| static const Sk4f kOffsets = {0.5f, 0.5f, -0.5f, -0.5f}; | |
| ltrb = (whwh < 1.f).thenElse(c, ltrb + kOffsets); | |
| } | |
| ltrb *= Sk4f(iw, ih, iw, ih); | |
| if (origin == kBottomLeft_GrSurfaceOrigin) { | |
| static const Sk4f kMul = {1.f, -1.f, 1.f, -1.f}; | |
| const Sk4f kAdd = {0.f, h, 0.f, h}; | |
| ltrb = SkNx_shuffle<0, 3, 2, 1>(kMul * ltrb + kAdd); | |
| } | |
| SkRect domainRect; | |
| ltrb.store(&domainRect); | |
| return domainRect; | |
| } | |
| // If normalizing the src quad then pass 1/width, 1/height, 1 for iw, ih, h. Otherwise pass | |
| // 1, 1, and height. | |
| static GrPerspQuad compute_src_quad_from_rect(GrSurfaceOrigin origin, const SkRect& srcRect, | |
| float iw, float ih, float h) { | |
| // Convert the pixel-space src rectangle into normalized texture coordinates | |
| SkRect texRect = { | |
| iw * srcRect.fLeft, | |
| ih * srcRect.fTop, | |
| iw * srcRect.fRight, | |
| ih * srcRect.fBottom | |
| }; | |
| if (origin == kBottomLeft_GrSurfaceOrigin) { | |
| texRect.fTop = h - texRect.fTop; | |
| texRect.fBottom = h - texRect.fBottom; | |
| } | |
| return GrPerspQuad(texRect); | |
| } | |
| // Normalizes logical src coords and corrects for origin | |
| static GrPerspQuad compute_src_quad(GrSurfaceOrigin origin, const GrPerspQuad& srcQuad, | |
| float iw, float ih, float h) { | |
| // The src quad should not have any perspective | |
| SkASSERT(!srcQuad.hasPerspective()); | |
| Sk4f xs = srcQuad.x4f() * iw; | |
| Sk4f ys = srcQuad.y4f() * ih; | |
| if (origin == kBottomLeft_GrSurfaceOrigin) { | |
| ys = h - ys; | |
| } | |
| return GrPerspQuad(xs, ys); | |
| } | |
| /** | |
| * Op that implements GrTextureOp::Make. It draws textured quads. Each quad can modulate against a | |
| * the texture by color. The blend with the destination is always src-over. The edges are non-AA. | |
| */ | |
| class TextureOp final : public GrMeshDrawOp { | |
| public: | |
| static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context, | |
| sk_sp<GrTextureProxy> proxy, | |
| GrSamplerState::Filter filter, | |
| const SkPMColor4f& color, | |
| const SkRect& srcRect, | |
| const SkRect& dstRect, | |
| GrAAType aaType, | |
| GrQuadAAFlags aaFlags, | |
| SkCanvas::SrcRectConstraint constraint, | |
| const SkMatrix& viewMatrix, | |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform) { | |
| GrPerspQuad dstQuad = GrPerspQuad::MakeFromRect(dstRect, viewMatrix); | |
| GrQuadType dstQuadType = GrQuadTypeForTransformedRect(viewMatrix); | |
| if (dstQuadType == GrQuadType::kRect) { | |
| // Disable filtering if possible (note AA optimizations for rects are automatically | |
| // handled above in GrResolveAATypeForQuad). | |
| if (filter != GrSamplerState::Filter::kNearest && | |
| !GrTextureOp::GetFilterHasEffect(viewMatrix, srcRect, dstRect)) { | |
| filter = GrSamplerState::Filter::kNearest; | |
| } | |
| } | |
| GrOpMemoryPool* pool = context->priv().opMemoryPool(); | |
| // srcRect provides both local coords and domain (if needed), so use nullptr for srcQuad | |
| return pool->allocate<TextureOp>( | |
| std::move(proxy), filter, color, dstQuad, dstQuadType, srcRect, constraint, | |
| nullptr, GrQuadType::kRect, aaType, aaFlags, std::move(textureColorSpaceXform)); | |
| } | |
| static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context, | |
| sk_sp<GrTextureProxy> proxy, | |
| GrSamplerState::Filter filter, | |
| const SkPMColor4f& color, | |
| const SkPoint srcQuad[4], | |
| const SkPoint dstQuad[4], | |
| GrAAType aaType, | |
| GrQuadAAFlags aaFlags, | |
| const SkRect* domain, | |
| const SkMatrix& viewMatrix, | |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform) { | |
| GrPerspQuad grDstQuad = GrPerspQuad::MakeFromSkQuad(dstQuad, viewMatrix); | |
| GrQuadType dstQuadType = GrQuadTypeForPoints(dstQuad, viewMatrix); | |
| GrPerspQuad grSrcQuad = GrPerspQuad::MakeFromSkQuad(srcQuad, SkMatrix::I()); | |
| GrQuadType srcQuadType = GrQuadTypeForPoints(srcQuad, SkMatrix::I()); | |
| // If constraint remains fast, the value in srcRect will be ignored since srcQuads provides | |
| // the local coordinates and a domain won't be used. | |
| SkRect srcRect = SkRect::MakeEmpty(); | |
| SkCanvas::SrcRectConstraint constraint = SkCanvas::kFast_SrcRectConstraint; | |
| if (domain) { | |
| srcRect = *domain; | |
| constraint = SkCanvas::kStrict_SrcRectConstraint; | |
| } | |
| GrOpMemoryPool* pool = context->priv().opMemoryPool(); | |
| // Pass domain as srcRect if provided, but send srcQuad as a GrPerspQuad for local coords | |
| return pool->allocate<TextureOp>( | |
| std::move(proxy), filter, color, grDstQuad, dstQuadType, srcRect, constraint, | |
| &grSrcQuad, srcQuadType, aaType, aaFlags, | |
| std::move(textureColorSpaceXform)); | |
| } | |
| static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context, | |
| const GrRenderTargetContext::TextureSetEntry set[], | |
| int cnt, GrSamplerState::Filter filter, GrAAType aaType, | |
| SkCanvas::SrcRectConstraint constraint, | |
| const SkMatrix& viewMatrix, | |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform) { | |
| size_t size = sizeof(TextureOp) + sizeof(Proxy) * (cnt - 1); | |
| GrOpMemoryPool* pool = context->priv().opMemoryPool(); | |
| void* mem = pool->allocate(size); | |
| return std::unique_ptr<GrDrawOp>(new (mem) TextureOp( | |
| set, cnt, filter, aaType, constraint, viewMatrix, | |
| std::move(textureColorSpaceXform))); | |
| } | |
| ~TextureOp() override { | |
| for (unsigned p = 0; p < fProxyCnt; ++p) { | |
| if (fFinalized) { | |
| fProxies[p].fProxy->completedRead(); | |
| } else { | |
| fProxies[p].fProxy->unref(); | |
| } | |
| } | |
| } | |
| const char* name() const override { return "TextureOp"; } | |
| void visitProxies(const VisitProxyFunc& func, VisitorType visitor) const override { | |
| if (visitor == VisitorType::kAllocatorGather && fCanSkipAllocatorGather) { | |
| return; | |
| } | |
| for (unsigned p = 0; p < fProxyCnt; ++p) { | |
| func(fProxies[p].fProxy); | |
| } | |
| } | |
| #ifdef SK_DEBUG | |
| SkString dumpInfo() const override { | |
| SkString str; | |
| str.appendf("# draws: %d\n", fQuads.count()); | |
| int q = 0; | |
| for (unsigned p = 0; p < fProxyCnt; ++p) { | |
| str.appendf("Proxy ID: %d, Filter: %d\n", fProxies[p].fProxy->uniqueID().asUInt(), | |
| static_cast<int>(fFilter)); | |
| for (int i = 0; i < fProxies[p].fQuadCnt; ++i, ++q) { | |
| GrPerspQuad quad = fQuads[q]; | |
| const ColorDomainAndAA& info = fQuads.metadata(i); | |
| str.appendf( | |
| "%d: Color: 0x%08x, TexRect [L: %.2f, T: %.2f, R: %.2f, B: %.2f] " | |
| "Quad [(%.2f, %.2f), (%.2f, %.2f), (%.2f, %.2f), (%.2f, %.2f)]\n", | |
| i, info.fColor.toBytes_RGBA(), info.fSrcRect.fLeft, info.fSrcRect.fTop, | |
| info.fSrcRect.fRight, info.fSrcRect.fBottom, quad.point(0).fX, | |
| quad.point(0).fY, quad.point(1).fX, quad.point(1).fY, | |
| quad.point(2).fX, quad.point(2).fY, quad.point(3).fX, | |
| quad.point(3).fY); | |
| } | |
| } | |
| str += INHERITED::dumpInfo(); | |
| return str; | |
| } | |
| #endif | |
| GrProcessorSet::Analysis finalize( | |
| const GrCaps& caps, const GrAppliedClip*, GrFSAAType, GrClampType clampType) override { | |
| SkASSERT(!fFinalized); | |
| fFinalized = true; | |
| for (unsigned p = 0; p < fProxyCnt; ++p) { | |
| fProxies[p].fProxy->addPendingRead(); | |
| fProxies[p].fProxy->unref(); | |
| } | |
| fColorType = static_cast<unsigned>(ColorType::kNone); | |
| for (int q = 0; q < fQuads.count(); ++q) { | |
| const ColorDomainAndAA& info = fQuads.metadata(q); | |
| auto colorType = GrQuadPerEdgeAA::MinColorType(info.fColor, clampType, caps); | |
| fColorType = SkTMax(fColorType, static_cast<unsigned>(colorType)); | |
| } | |
| return GrProcessorSet::EmptySetAnalysis(); | |
| } | |
| FixedFunctionFlags fixedFunctionFlags() const override { | |
| return this->aaType() == GrAAType::kMSAA ? FixedFunctionFlags::kUsesHWAA | |
| : FixedFunctionFlags::kNone; | |
| } | |
| DEFINE_OP_CLASS_ID | |
| private: | |
| friend class ::GrOpMemoryPool; | |
| // dstQuad and dstQuadType should be the geometry transformed by the view matrix. | |
| // srcRect represents original src rect and will be used as the domain when constraint is strict | |
| // If srcQuad is provided, it will be used for the local coords instead of srcRect, although | |
| // srcRect will still specify the domain constraint if needed. | |
| TextureOp(sk_sp<GrTextureProxy> proxy, GrSamplerState::Filter filter, const SkPMColor4f& color, | |
| const GrPerspQuad& dstQuad, GrQuadType dstQuadType, | |
| const SkRect& srcRect, SkCanvas::SrcRectConstraint constraint, | |
| const GrPerspQuad* srcQuad, GrQuadType srcQuadType, GrAAType aaType, | |
| GrQuadAAFlags aaFlags, sk_sp<GrColorSpaceXform> textureColorSpaceXform) | |
| : INHERITED(ClassID()) | |
| , fTextureColorSpaceXform(std::move(textureColorSpaceXform)) | |
| , fFilter(static_cast<unsigned>(filter)) | |
| , fFinalized(0) { | |
| // Clean up disparities between the overall aa type and edge configuration and apply | |
| // optimizations based on the rect and matrix when appropriate | |
| GrResolveAATypeForQuad(aaType, aaFlags, dstQuad, dstQuadType, &aaType, &aaFlags); | |
| fAAType = static_cast<unsigned>(aaType); | |
| // We expect our caller to have already caught this optimization. | |
| SkASSERT(!srcRect.contains(proxy->getWorstCaseBoundsRect()) || | |
| constraint == SkCanvas::kFast_SrcRectConstraint); | |
| // We may have had a strict constraint with nearest filter solely due to possible AA bloat. | |
| // If we don't have (or determined we don't need) coverage AA then we can skip using a | |
| // domain. | |
| if (constraint == SkCanvas::kStrict_SrcRectConstraint && | |
| this->filter() == GrSamplerState::Filter::kNearest && | |
| aaType != GrAAType::kCoverage) { | |
| constraint = SkCanvas::kFast_SrcRectConstraint; | |
| } | |
| Domain domain = constraint == SkCanvas::kStrict_SrcRectConstraint ? Domain::kYes | |
| : Domain::kNo; | |
| // Initially, if srcQuad is provided it will always be at index 0 of fSrcQuads | |
| fQuads.push_back(dstQuad, dstQuadType, {color, srcRect, srcQuad ? 0 : -1, domain, aaFlags}); | |
| if (srcQuad) { | |
| fSrcQuads.push_back(*srcQuad, srcQuadType); | |
| } | |
| fProxyCnt = 1; | |
| fProxies[0] = {proxy.release(), 1}; | |
| auto bounds = dstQuad.bounds(dstQuadType); | |
| this->setBounds(bounds, HasAABloat(aaType == GrAAType::kCoverage), IsZeroArea::kNo); | |
| fDomain = static_cast<unsigned>(domain); | |
| fCanSkipAllocatorGather = | |
| static_cast<unsigned>(fProxies[0].fProxy->canSkipResourceAllocator()); | |
| } | |
| TextureOp(const GrRenderTargetContext::TextureSetEntry set[], int cnt, | |
| GrSamplerState::Filter filter, GrAAType aaType, | |
| SkCanvas::SrcRectConstraint constraint, const SkMatrix& viewMatrix, | |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform) | |
| : INHERITED(ClassID()) | |
| , fTextureColorSpaceXform(std::move(textureColorSpaceXform)) | |
| , fFilter(static_cast<unsigned>(filter)) | |
| , fFinalized(0) { | |
| fProxyCnt = SkToUInt(cnt); | |
| SkRect bounds = SkRectPriv::MakeLargestInverted(); | |
| GrAAType overallAAType = GrAAType::kNone; // aa type maximally compatible with all dst rects | |
| bool mustFilter = false; | |
| fCanSkipAllocatorGather = static_cast<unsigned>(true); | |
| // Most dst rects are transformed by the same view matrix, so their quad types start | |
| // identical, unless an entry provides a dstClip or additional transform that changes it. | |
| // The quad list will automatically adapt to that. | |
| fQuads.reserve(cnt, GrQuadTypeForTransformedRect(viewMatrix)); | |
| bool allOpaque = true; | |
| Domain netDomain = Domain::kNo; | |
| for (unsigned p = 0; p < fProxyCnt; ++p) { | |
| fProxies[p].fProxy = SkRef(set[p].fProxy.get()); | |
| fProxies[p].fQuadCnt = 1; | |
| SkASSERT(fProxies[p].fProxy->textureType() == fProxies[0].fProxy->textureType()); | |
| SkASSERT(fProxies[p].fProxy->config() == fProxies[0].fProxy->config()); | |
| if (!fProxies[p].fProxy->canSkipResourceAllocator()) { | |
| fCanSkipAllocatorGather = static_cast<unsigned>(false); | |
| } | |
| SkMatrix ctm = viewMatrix; | |
| if (set[p].fPreViewMatrix) { | |
| ctm.preConcat(*set[p].fPreViewMatrix); | |
| } | |
| // Use dstRect unless dstClip is provided, which is assumed to be a quad | |
| auto quad = set[p].fDstClipQuad == nullptr ? | |
| GrPerspQuad::MakeFromRect(set[p].fDstRect, ctm) : | |
| GrPerspQuad::MakeFromSkQuad(set[p].fDstClipQuad, ctm); | |
| GrQuadType quadType = | |
| set[p].fDstClipQuad ? GrQuadTypeForPoints(set[p].fDstClipQuad, ctm) | |
| : GrQuadTypeForTransformedRect(ctm); | |
| bounds.joinPossiblyEmptyRect(quad.bounds(quadType)); | |
| GrQuadAAFlags aaFlags; | |
| // Don't update the overall aaType, might be inappropriate for some of the quads | |
| GrAAType aaForQuad; | |
| GrResolveAATypeForQuad(aaType, set[p].fAAFlags, quad, quadType, &aaForQuad, &aaFlags); | |
| // Resolve sets aaForQuad to aaType or None, there is never a change between aa methods | |
| SkASSERT(aaForQuad == GrAAType::kNone || aaForQuad == aaType); | |
| if (overallAAType == GrAAType::kNone && aaForQuad != GrAAType::kNone) { | |
| overallAAType = aaType; | |
| } | |
| if (!mustFilter && this->filter() != GrSamplerState::Filter::kNearest) { | |
| mustFilter = quadType != GrQuadType::kRect || | |
| GrTextureOp::GetFilterHasEffect(ctm, set[p].fSrcRect, | |
| set[p].fDstRect); | |
| } | |
| Domain domainForQuad = Domain::kNo; | |
| if (constraint == SkCanvas::kStrict_SrcRectConstraint) { | |
| // Check (briefly) if the strict constraint is needed for this set entry | |
| if (!set[p].fSrcRect.contains(fProxies[p].fProxy->getWorstCaseBoundsRect()) && | |
| (mustFilter || aaForQuad == GrAAType::kCoverage)) { | |
| // Can't rely on hardware clamping and the draw will access outer texels | |
| // for AA and/or bilerp | |
| netDomain = Domain::kYes; | |
| domainForQuad = Domain::kYes; | |
| } | |
| } | |
| float alpha = SkTPin(set[p].fAlpha, 0.f, 1.f); | |
| allOpaque &= (1.f == alpha); | |
| SkPMColor4f color{alpha, alpha, alpha, alpha}; | |
| int srcQuadIndex = -1; | |
| if (set[p].fDstClipQuad) { | |
| // Derive new source coordinates that match dstClip's relative locations in dstRect, | |
| // but with respect to srcRect | |
| SkPoint srcQuad[4]; | |
| GrMapRectPoints(set[p].fDstRect, set[p].fSrcRect, set[p].fDstClipQuad, srcQuad, 4); | |
| fSrcQuads.push_back(GrPerspQuad::MakeFromSkQuad(srcQuad, SkMatrix::I()), | |
| GrQuadTypeForPoints(srcQuad, SkMatrix::I())); | |
| srcQuadIndex = fSrcQuads.count() - 1; | |
| } | |
| fQuads.push_back(quad, quadType, | |
| {color, set[p].fSrcRect, srcQuadIndex, domainForQuad, aaFlags}); | |
| } | |
| fAAType = static_cast<unsigned>(overallAAType); | |
| if (!mustFilter) { | |
| fFilter = static_cast<unsigned>(GrSamplerState::Filter::kNearest); | |
| } | |
| this->setBounds(bounds, HasAABloat(this->aaType() == GrAAType::kCoverage), IsZeroArea::kNo); | |
| fDomain = static_cast<unsigned>(netDomain); | |
| } | |
| void tess(void* v, const VertexSpec& spec, const GrTextureProxy* proxy, int start, | |
| int cnt) const { | |
| TRACE_EVENT0("skia", TRACE_FUNC); | |
| auto origin = proxy->origin(); | |
| const auto* texture = proxy->peekTexture(); | |
| float iw, ih, h; | |
| if (proxy->textureType() == GrTextureType::kRectangle) { | |
| iw = ih = 1.f; | |
| h = texture->height(); | |
| } else { | |
| iw = 1.f / texture->width(); | |
| ih = 1.f / texture->height(); | |
| h = 1.f; | |
| } | |
| for (int i = start; i < start + cnt; ++i) { | |
| const GrPerspQuad& device = fQuads[i]; | |
| const ColorDomainAndAA& info = fQuads.metadata(i); | |
| GrPerspQuad srcQuad = info.fSrcQuadIndex >= 0 ? | |
| compute_src_quad(origin, fSrcQuads[info.fSrcQuadIndex], iw, ih, h) : | |
| compute_src_quad_from_rect(origin, info.fSrcRect, iw, ih, h); | |
| SkRect domain = | |
| compute_domain(info.domain(), this->filter(), origin, info.fSrcRect, iw, ih, h); | |
| v = GrQuadPerEdgeAA::Tessellate(v, spec, device, info.fColor, srcQuad, domain, | |
| info.aaFlags()); | |
| } | |
| } | |
| void onPrepareDraws(Target* target) override { | |
| TRACE_EVENT0("skia", TRACE_FUNC); | |
| GrQuadType quadType = GrQuadType::kRect; | |
| GrQuadType srcQuadType = GrQuadType::kRect; | |
| Domain domain = Domain::kNo; | |
| ColorType colorType = ColorType::kNone; | |
| int numProxies = 0; | |
| int numTotalQuads = 0; | |
| auto textureType = fProxies[0].fProxy->textureType(); | |
| auto config = fProxies[0].fProxy->config(); | |
| GrAAType aaType = this->aaType(); | |
| for (const auto& op : ChainRange<TextureOp>(this)) { | |
| if (op.fQuads.quadType() > quadType) { | |
| quadType = op.fQuads.quadType(); | |
| } | |
| if (op.fSrcQuads.quadType() > srcQuadType) { | |
| // Should only become more general if there are quads to use instead of fSrcRect | |
| SkASSERT(op.fSrcQuads.count() > 0); | |
| srcQuadType = op.fSrcQuads.quadType(); | |
| } | |
| if (op.fDomain) { | |
| domain = Domain::kYes; | |
| } | |
| colorType = SkTMax(colorType, static_cast<ColorType>(op.fColorType)); | |
| numProxies += op.fProxyCnt; | |
| for (unsigned p = 0; p < op.fProxyCnt; ++p) { | |
| numTotalQuads += op.fProxies[p].fQuadCnt; | |
| auto* proxy = op.fProxies[p].fProxy; | |
| if (target->resourceProvider()->explicitlyAllocateGPUResources()) { | |
| if (!proxy->isInstantiated()) { | |
| return; | |
| } | |
| } else if (!proxy->instantiate(target->resourceProvider())) { | |
| return; | |
| } | |
| SkASSERT(proxy->config() == config); | |
| SkASSERT(proxy->textureType() == textureType); | |
| } | |
| if (op.aaType() == GrAAType::kCoverage) { | |
| SkASSERT(aaType == GrAAType::kCoverage || aaType == GrAAType::kNone); | |
| aaType = GrAAType::kCoverage; | |
| } | |
| } | |
| VertexSpec vertexSpec(quadType, colorType, srcQuadType, /* hasLocal */ true, domain, aaType, | |
| /* alpha as coverage */ true); | |
| GrSamplerState samplerState = GrSamplerState(GrSamplerState::WrapMode::kClamp, | |
| this->filter()); | |
| GrGpu* gpu = target->resourceProvider()->priv().gpu(); | |
| uint32_t extraSamplerKey = gpu->getExtraSamplerKeyForProgram( | |
| samplerState, fProxies[0].fProxy->backendFormat()); | |
| sk_sp<GrGeometryProcessor> gp = GrQuadPerEdgeAA::MakeTexturedProcessor( | |
| vertexSpec, *target->caps().shaderCaps(), | |
| textureType, config, samplerState, extraSamplerKey, | |
| std::move(fTextureColorSpaceXform)); | |
| // We'll use a dynamic state array for the GP textures when there are multiple ops. | |
| // Otherwise, we use fixed dynamic state to specify the single op's proxy. | |
| GrPipeline::DynamicStateArrays* dynamicStateArrays = nullptr; | |
| GrPipeline::FixedDynamicState* fixedDynamicState; | |
| if (numProxies > 1) { | |
| dynamicStateArrays = target->allocDynamicStateArrays(numProxies, 1, false); | |
| fixedDynamicState = target->makeFixedDynamicState(0); | |
| } else { | |
| fixedDynamicState = target->makeFixedDynamicState(1); | |
| fixedDynamicState->fPrimitiveProcessorTextures[0] = fProxies[0].fProxy; | |
| } | |
| size_t vertexSize = gp->vertexStride(); | |
| GrMesh* meshes = target->allocMeshes(numProxies); | |
| sk_sp<const GrBuffer> vbuffer; | |
| int vertexOffsetInBuffer = 0; | |
| int numQuadVerticesLeft = numTotalQuads * vertexSpec.verticesPerQuad(); | |
| int numAllocatedVertices = 0; | |
| void* vdata = nullptr; | |
| int m = 0; | |
| for (const auto& op : ChainRange<TextureOp>(this)) { | |
| int q = 0; | |
| for (unsigned p = 0; p < op.fProxyCnt; ++p) { | |
| int quadCnt = op.fProxies[p].fQuadCnt; | |
| auto* proxy = op.fProxies[p].fProxy; | |
| int meshVertexCnt = quadCnt * vertexSpec.verticesPerQuad(); | |
| if (numAllocatedVertices < meshVertexCnt) { | |
| vdata = target->makeVertexSpaceAtLeast( | |
| vertexSize, meshVertexCnt, numQuadVerticesLeft, &vbuffer, | |
| &vertexOffsetInBuffer, &numAllocatedVertices); | |
| SkASSERT(numAllocatedVertices <= numQuadVerticesLeft); | |
| if (!vdata) { | |
| SkDebugf("Could not allocate vertices\n"); | |
| return; | |
| } | |
| } | |
| SkASSERT(numAllocatedVertices >= meshVertexCnt); | |
| op.tess(vdata, vertexSpec, proxy, q, quadCnt); | |
| if (!GrQuadPerEdgeAA::ConfigureMeshIndices(target, &(meshes[m]), vertexSpec, | |
| quadCnt)) { | |
| SkDebugf("Could not allocate indices"); | |
| return; | |
| } | |
| meshes[m].setVertexData(vbuffer, vertexOffsetInBuffer); | |
| if (dynamicStateArrays) { | |
| dynamicStateArrays->fPrimitiveProcessorTextures[m] = proxy; | |
| } | |
| ++m; | |
| numAllocatedVertices -= meshVertexCnt; | |
| numQuadVerticesLeft -= meshVertexCnt; | |
| vertexOffsetInBuffer += meshVertexCnt; | |
| vdata = reinterpret_cast<char*>(vdata) + vertexSize * meshVertexCnt; | |
| q += quadCnt; | |
| } | |
| } | |
| SkASSERT(!numQuadVerticesLeft); | |
| SkASSERT(!numAllocatedVertices); | |
| target->recordDraw( | |
| std::move(gp), meshes, numProxies, fixedDynamicState, dynamicStateArrays); | |
| } | |
| void onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) override { | |
| auto pipelineFlags = (GrAAType::kMSAA == this->aaType()) | |
| ? GrPipeline::InputFlags::kHWAntialias | |
| : GrPipeline::InputFlags::kNone; | |
| flushState->executeDrawsAndUploadsForMeshDrawOp( | |
| this, chainBounds, GrProcessorSet::MakeEmptySet(), pipelineFlags); | |
| } | |
| CombineResult onCombineIfPossible(GrOp* t, const GrCaps& caps) override { | |
| TRACE_EVENT0("skia", TRACE_FUNC); | |
| const auto* that = t->cast<TextureOp>(); | |
| if (!GrColorSpaceXform::Equals(fTextureColorSpaceXform.get(), | |
| that->fTextureColorSpaceXform.get())) { | |
| return CombineResult::kCannotCombine; | |
| } | |
| bool upgradeToCoverageAAOnMerge = false; | |
| if (this->aaType() != that->aaType()) { | |
| if (!((this->aaType() == GrAAType::kCoverage && that->aaType() == GrAAType::kNone) || | |
| (that->aaType() == GrAAType::kCoverage && this->aaType() == GrAAType::kNone))) { | |
| return CombineResult::kCannotCombine; | |
| } | |
| upgradeToCoverageAAOnMerge = true; | |
| } | |
| if (fFilter != that->fFilter) { | |
| return CombineResult::kCannotCombine; | |
| } | |
| auto thisProxy = fProxies[0].fProxy; | |
| auto thatProxy = that->fProxies[0].fProxy; | |
| if (fProxyCnt > 1 || that->fProxyCnt > 1 || | |
| thisProxy->uniqueID() != thatProxy->uniqueID()) { | |
| // We can't merge across different proxies. Check if 'this' can be chained with 'that'. | |
| if (GrTextureProxy::ProxiesAreCompatibleAsDynamicState(thisProxy, thatProxy) && | |
| caps.dynamicStateArrayGeometryProcessorTextureSupport()) { | |
| return CombineResult::kMayChain; | |
| } | |
| return CombineResult::kCannotCombine; | |
| } | |
| fDomain |= that->fDomain; | |
| fColorType = SkTMax(fColorType, that->fColorType); | |
| if (upgradeToCoverageAAOnMerge) { | |
| fAAType = static_cast<unsigned>(GrAAType::kCoverage); | |
| } | |
| // Concatenate quad lists together, updating the fSrcQuadIndex in the appended quads | |
| // to account for the new starting index in fSrcQuads | |
| int srcQuadOffset = fSrcQuads.count(); | |
| int oldQuadCount = fQuads.count(); | |
| fSrcQuads.concat(that->fSrcQuads); | |
| fQuads.concat(that->fQuads); | |
| fProxies[0].fQuadCnt += that->fQuads.count(); | |
| if (that->fSrcQuads.count() > 0) { | |
| // Some of the concatenated quads pointed to fSrcQuads, so adjust the indices for the | |
| // newly appended quads | |
| for (int i = oldQuadCount; i < fQuads.count(); ++i) { | |
| if (fQuads.metadata(i).fSrcQuadIndex >= 0) { | |
| fQuads.metadata(i).fSrcQuadIndex += srcQuadOffset; | |
| } | |
| } | |
| } | |
| // Confirm all tracked state makes sense when in debug builds | |
| #ifdef SK_DEBUG | |
| SkASSERT(fSrcQuads.count() <= fQuads.count()); | |
| for (int i = 0; i < fQuads.count(); ++i) { | |
| int srcIndex = fQuads.metadata(i).fSrcQuadIndex; | |
| if (srcIndex >= 0) { | |
| // Make sure it points to a valid index, in the right region of the list | |
| SkASSERT(srcIndex < fSrcQuads.count()); | |
| SkASSERT((i < oldQuadCount && srcIndex < srcQuadOffset) || | |
| (i >= oldQuadCount && srcIndex >= srcQuadOffset)); | |
| } | |
| } | |
| #endif | |
| return CombineResult::kMerged; | |
| } | |
| GrAAType aaType() const { return static_cast<GrAAType>(fAAType); } | |
| GrSamplerState::Filter filter() const { return static_cast<GrSamplerState::Filter>(fFilter); } | |
| struct ColorDomainAndAA { | |
| // Special constructor to convert enums into the packed bits, which should not delete | |
| // the implicit move constructor (but it does require us to declare an empty ctor for | |
| // use with the GrTQuadList). | |
| ColorDomainAndAA(const SkPMColor4f& color, const SkRect& srcRect, int srcQuadIndex, | |
| Domain hasDomain, GrQuadAAFlags aaFlags) | |
| : fColor(color) | |
| , fSrcRect(srcRect) | |
| , fSrcQuadIndex(srcQuadIndex) | |
| , fHasDomain(static_cast<unsigned>(hasDomain)) | |
| , fAAFlags(static_cast<unsigned>(aaFlags)) { | |
| SkASSERT(fHasDomain == static_cast<unsigned>(hasDomain)); | |
| SkASSERT(fAAFlags == static_cast<unsigned>(aaFlags)); | |
| } | |
| ColorDomainAndAA() = default; | |
| SkPMColor4f fColor; | |
| // Even if fSrcQuadIndex provides source coords, use fSrcRect for domain constraint | |
| SkRect fSrcRect; | |
| // If >= 0, use to access fSrcQuads instead of fSrcRect for the source coordinates | |
| int fSrcQuadIndex; | |
| unsigned fHasDomain : 1; | |
| unsigned fAAFlags : 4; | |
| Domain domain() const { return Domain(fHasDomain); } | |
| GrQuadAAFlags aaFlags() const { return static_cast<GrQuadAAFlags>(fAAFlags); } | |
| }; | |
| struct Proxy { | |
| GrTextureProxy* fProxy; | |
| int fQuadCnt; | |
| }; | |
| GrTQuadList<ColorDomainAndAA> fQuads; | |
| // The majority of texture ops will not track a complete src quad so this is indexed separately | |
| // and may be of different size to fQuads. | |
| GrQuadList fSrcQuads; | |
| sk_sp<GrColorSpaceXform> fTextureColorSpaceXform; | |
| unsigned fFilter : 2; | |
| unsigned fAAType : 2; | |
| unsigned fDomain : 1; | |
| unsigned fColorType : 2; | |
| GR_STATIC_ASSERT(GrQuadPerEdgeAA::kColorTypeCount <= 4); | |
| // Used to track whether fProxy is ref'ed or has a pending IO after finalize() is called. | |
| unsigned fFinalized : 1; | |
| unsigned fCanSkipAllocatorGather : 1; | |
| unsigned fProxyCnt : 32 - 9; | |
| Proxy fProxies[1]; | |
| static_assert(kGrQuadTypeCount <= 4, "GrQuadType does not fit in 2 bits"); | |
| typedef GrMeshDrawOp INHERITED; | |
| }; | |
| } // anonymous namespace | |
| namespace GrTextureOp { | |
| std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context, | |
| sk_sp<GrTextureProxy> proxy, | |
| GrSamplerState::Filter filter, | |
| const SkPMColor4f& color, | |
| const SkRect& srcRect, | |
| const SkRect& dstRect, | |
| GrAAType aaType, | |
| GrQuadAAFlags aaFlags, | |
| SkCanvas::SrcRectConstraint constraint, | |
| const SkMatrix& viewMatrix, | |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform) { | |
| return TextureOp::Make(context, std::move(proxy), filter, color, srcRect, dstRect, aaType, | |
| aaFlags, constraint, viewMatrix, std::move(textureColorSpaceXform)); | |
| } | |
| std::unique_ptr<GrDrawOp> MakeQuad(GrRecordingContext* context, | |
| sk_sp<GrTextureProxy> proxy, | |
| GrSamplerState::Filter filter, | |
| const SkPMColor4f& color, | |
| const SkPoint srcQuad[4], | |
| const SkPoint dstQuad[4], | |
| GrAAType aaType, | |
| GrQuadAAFlags aaFlags, | |
| const SkRect* domain, | |
| const SkMatrix& viewMatrix, | |
| sk_sp<GrColorSpaceXform> textureXform) { | |
| return TextureOp::Make(context, std::move(proxy), filter, color, srcQuad, dstQuad, aaType, | |
| aaFlags, domain, viewMatrix, std::move(textureXform)); | |
| } | |
| std::unique_ptr<GrDrawOp> MakeSet(GrRecordingContext* context, | |
| const GrRenderTargetContext::TextureSetEntry set[], | |
| int cnt, | |
| GrSamplerState::Filter filter, | |
| GrAAType aaType, | |
| SkCanvas::SrcRectConstraint constraint, | |
| const SkMatrix& viewMatrix, | |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform) { | |
| return TextureOp::Make(context, set, cnt, filter, aaType, constraint, viewMatrix, | |
| std::move(textureColorSpaceXform)); | |
| } | |
| bool GetFilterHasEffect(const SkMatrix& viewMatrix, const SkRect& srcRect, const SkRect& dstRect) { | |
| // Hypothetically we could disable bilerp filtering when flipping or rotating 90 degrees, but | |
| // that makes the math harder and we don't want to increase the overhead of the checks | |
| if (!viewMatrix.isScaleTranslate() || | |
| viewMatrix.getScaleX() < 0.0f || viewMatrix.getScaleY() < 0.0f) { | |
| return true; | |
| } | |
| // Given the matrix conditions ensured above, this computes the device space coordinates for | |
| // the top left corner of dstRect and its size. | |
| SkScalar dw = viewMatrix.getScaleX() * dstRect.width(); | |
| SkScalar dh = viewMatrix.getScaleY() * dstRect.height(); | |
| SkScalar dl = viewMatrix.getScaleX() * dstRect.fLeft + viewMatrix.getTranslateX(); | |
| SkScalar dt = viewMatrix.getScaleY() * dstRect.fTop + viewMatrix.getTranslateY(); | |
| // Disable filtering when there is no scaling of the src rect and the src rect and dst rect | |
| // align fractionally. If we allow inverted src rects this logic needs to consider that. | |
| SkASSERT(srcRect.isSorted()); | |
| return dw != srcRect.width() || dh != srcRect.height() || | |
| SkScalarFraction(dl) != SkScalarFraction(srcRect.fLeft) || | |
| SkScalarFraction(dt) != SkScalarFraction(srcRect.fTop); | |
| } | |
| } // namespace GrTextureOp | |
| #if GR_TEST_UTILS | |
| #include "GrProxyProvider.h" | |
| #include "GrRecordingContext.h" | |
| #include "GrRecordingContextPriv.h" | |
| GR_DRAW_OP_TEST_DEFINE(TextureOp) { | |
| GrSurfaceDesc desc; | |
| desc.fConfig = kRGBA_8888_GrPixelConfig; | |
| desc.fHeight = random->nextULessThan(90) + 10; | |
| desc.fWidth = random->nextULessThan(90) + 10; | |
| auto origin = random->nextBool() ? kTopLeft_GrSurfaceOrigin : kBottomLeft_GrSurfaceOrigin; | |
| GrMipMapped mipMapped = random->nextBool() ? GrMipMapped::kYes : GrMipMapped::kNo; | |
| SkBackingFit fit = SkBackingFit::kExact; | |
| if (mipMapped == GrMipMapped::kNo) { | |
| fit = random->nextBool() ? SkBackingFit::kApprox : SkBackingFit::kExact; | |
| } | |
| const GrBackendFormat format = | |
| context->priv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType); | |
| GrProxyProvider* proxyProvider = context->priv().proxyProvider(); | |
| sk_sp<GrTextureProxy> proxy = proxyProvider->createProxy(format, desc, origin, mipMapped, fit, | |
| SkBudgeted::kNo, | |
| GrInternalSurfaceFlags::kNone); | |
| SkRect rect = GrTest::TestRect(random); | |
| SkRect srcRect; | |
| srcRect.fLeft = random->nextRangeScalar(0.f, proxy->width() / 2.f); | |
| srcRect.fRight = random->nextRangeScalar(0.f, proxy->width()) + proxy->width() / 2.f; | |
| srcRect.fTop = random->nextRangeScalar(0.f, proxy->height() / 2.f); | |
| srcRect.fBottom = random->nextRangeScalar(0.f, proxy->height()) + proxy->height() / 2.f; | |
| SkMatrix viewMatrix = GrTest::TestMatrixPreservesRightAngles(random); | |
| SkPMColor4f color = SkPMColor4f::FromBytes_RGBA(SkColorToPremulGrColor(random->nextU())); | |
| GrSamplerState::Filter filter = (GrSamplerState::Filter)random->nextULessThan( | |
| static_cast<uint32_t>(GrSamplerState::Filter::kMipMap) + 1); | |
| while (mipMapped == GrMipMapped::kNo && filter == GrSamplerState::Filter::kMipMap) { | |
| filter = (GrSamplerState::Filter)random->nextULessThan( | |
| static_cast<uint32_t>(GrSamplerState::Filter::kMipMap) + 1); | |
| } | |
| auto texXform = GrTest::TestColorXform(random); | |
| GrAAType aaType = GrAAType::kNone; | |
| if (random->nextBool()) { | |
| aaType = (fsaaType == GrFSAAType::kUnifiedMSAA) ? GrAAType::kMSAA : GrAAType::kCoverage; | |
| } | |
| GrQuadAAFlags aaFlags = GrQuadAAFlags::kNone; | |
| aaFlags |= random->nextBool() ? GrQuadAAFlags::kLeft : GrQuadAAFlags::kNone; | |
| aaFlags |= random->nextBool() ? GrQuadAAFlags::kTop : GrQuadAAFlags::kNone; | |
| aaFlags |= random->nextBool() ? GrQuadAAFlags::kRight : GrQuadAAFlags::kNone; | |
| aaFlags |= random->nextBool() ? GrQuadAAFlags::kBottom : GrQuadAAFlags::kNone; | |
| auto constraint = random->nextBool() ? SkCanvas::kStrict_SrcRectConstraint | |
| : SkCanvas::kFast_SrcRectConstraint; | |
| return GrTextureOp::Make(context, std::move(proxy), filter, color, srcRect, rect, aaType, | |
| aaFlags, constraint, viewMatrix, std::move(texXform)); | |
| } | |
| #endif |