| /* |
| * 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 "GrContext.h" |
| #include "GrContextPriv.h" |
| #include "GrDrawOpTest.h" |
| #include "GrGeometryProcessor.h" |
| #include "GrMemoryPool.h" |
| #include "GrMeshDrawOp.h" |
| #include "GrOpFlushState.h" |
| #include "GrQuad.h" |
| #include "GrQuadPerEdgeAA.h" |
| #include "GrResourceProvider.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/GrGLSLColorSpaceXformHelper.h" |
| #include "glsl/GrGLSLGeometryProcessor.h" |
| #include "glsl/GrGLSLVarying.h" |
| |
| namespace { |
| |
| using Domain = GrQuadPerEdgeAA::Domain; |
| using VertexSpec = GrQuadPerEdgeAA::VertexSpec; |
| using ColorType = GrQuadPerEdgeAA::ColorType; |
| |
| /** |
| * Geometry Processor that draws a texture modulated by a vertex color (though, this is meant to be |
| * the same value across all vertices of a quad and uses flat interpolation when available). This is |
| * used by TextureOp below. |
| */ |
| class TextureGeometryProcessor : public GrGeometryProcessor { |
| public: |
| |
| static sk_sp<GrGeometryProcessor> Make(GrTextureType textureType, GrPixelConfig textureConfig, |
| const GrSamplerState::Filter filter, |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform, |
| const VertexSpec& vertexSpec, const GrShaderCaps& caps) { |
| return sk_sp<TextureGeometryProcessor>(new TextureGeometryProcessor( |
| textureType, textureConfig, filter, std::move(textureColorSpaceXform), vertexSpec, |
| caps)); |
| } |
| |
| const char* name() const override { return "TextureGeometryProcessor"; } |
| |
| void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override { |
| b->add32(GrColorSpaceXform::XformKey(fTextureColorSpaceXform.get())); |
| b->add32(fAttrs.getKey()); |
| } |
| |
| GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps& caps) const override { |
| class GLSLProcessor : public GrGLSLGeometryProcessor { |
| public: |
| void setData(const GrGLSLProgramDataManager& pdman, const GrPrimitiveProcessor& proc, |
| FPCoordTransformIter&& transformIter) override { |
| const auto& textureGP = proc.cast<TextureGeometryProcessor>(); |
| this->setTransformDataHelper(SkMatrix::I(), pdman, &transformIter); |
| fTextureColorSpaceXformHelper.setData( |
| pdman, textureGP.fTextureColorSpaceXform.get()); |
| } |
| |
| private: |
| void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { |
| const auto& textureGP = args.fGP.cast<TextureGeometryProcessor>(); |
| fTextureColorSpaceXformHelper.emitCode( |
| args.fUniformHandler, textureGP.fTextureColorSpaceXform.get()); |
| if (!textureGP.fAttrs.needsPerspectiveInterpolation()) { |
| args.fVaryingHandler->setNoPerspective(); |
| } |
| args.fVaryingHandler->emitAttributes(textureGP); |
| gpArgs->fPositionVar = textureGP.fAttrs.positions().asShaderVar(); |
| |
| this->emitTransforms(args.fVertBuilder, |
| args.fVaryingHandler, |
| args.fUniformHandler, |
| textureGP.fAttrs.localCoords().asShaderVar(), |
| args.fFPCoordTransformHandler); |
| textureGP.fAttrs.emitColor(args, "paintColor"); |
| textureGP.fAttrs.emitExplicitLocalCoords(args, "texCoord", "domain"); |
| |
| args.fFragBuilder->codeAppendf("%s = ", args.fOutputColor); |
| args.fFragBuilder->appendTextureLookupAndModulate( |
| args.fOutputColor, args.fTexSamplers[0], "texCoord", kFloat2_GrSLType, |
| &fTextureColorSpaceXformHelper); |
| args.fFragBuilder->codeAppend(";"); |
| |
| textureGP.fAttrs.emitCoverage(args, "aaDist"); |
| } |
| GrGLSLColorSpaceXformHelper fTextureColorSpaceXformHelper; |
| }; |
| return new GLSLProcessor; |
| } |
| |
| private: |
| TextureGeometryProcessor(GrTextureType textureType, GrPixelConfig textureConfig, |
| GrSamplerState::Filter filter, |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform, |
| const VertexSpec& vertexSpec, const GrShaderCaps& caps) |
| : INHERITED(kTextureGeometryProcessor_ClassID) |
| , fAttrs(vertexSpec) |
| , fTextureColorSpaceXform(std::move(textureColorSpaceXform)) |
| , fSampler(textureType, textureConfig, filter) { |
| SkASSERT(vertexSpec.hasVertexColors() && vertexSpec.localDimensionality() == 2); |
| this->setTextureSamplerCnt(1); |
| this->setVertexAttributes(fAttrs.attributes(), fAttrs.attributeCount()); |
| } |
| |
| const TextureSampler& onTextureSampler(int) const override { return fSampler; } |
| |
| GrQuadPerEdgeAA::GPAttributes fAttrs; |
| sk_sp<GrColorSpaceXform> fTextureColorSpaceXform; |
| TextureSampler fSampler; |
| |
| typedef GrGeometryProcessor INHERITED; |
| }; |
| |
| static bool filter_has_effect_for_rect_stays_rect(const GrPerspQuad& quad, const SkRect& srcRect) { |
| SkASSERT(quad.quadType() == GrQuadType::kRect); |
| float ql = quad.x(0); |
| float qt = quad.y(0); |
| float qr = quad.x(3); |
| float qb = quad.y(3); |
| // 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 (qr - ql) != srcRect.width() || (qb - qt) != srcRect.height() || |
| SkScalarFraction(ql) != SkScalarFraction(srcRect.fLeft) || |
| SkScalarFraction(qt) != SkScalarFraction(srcRect.fTop); |
| } |
| |
| static SkRect compute_domain(Domain domain, GrSamplerState::Filter filter, |
| GrSurfaceOrigin origin, const SkRect& srcRect, float iw, float ih) { |
| static constexpr SkRect kLargeRect = {-2, -2, 2, 2}; |
| 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}; |
| static const Sk4f kAdd = {0.f, 1.f, 0.f, 1.f}; |
| ltrb = SkNx_shuffle<0, 3, 2, 1>(kMul * ltrb + kAdd); |
| } |
| |
| SkRect domainRect; |
| ltrb.store(&domainRect); |
| return domainRect; |
| } |
| |
| static GrPerspQuad compute_src_quad(GrSurfaceOrigin origin, const SkRect& srcRect, |
| float iw, float ih) { |
| // 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 = 1.f - texRect.fTop; |
| texRect.fBottom = 1.f - texRect.fBottom; |
| } |
| return GrPerspQuad(texRect, SkMatrix::I()); |
| } |
| |
| /** |
| * 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(GrContext* 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) { |
| GrOpMemoryPool* pool = context->contextPriv().opMemoryPool(); |
| |
| return pool->allocate<TextureOp>( |
| std::move(proxy), filter, color, srcRect, dstRect, aaType, aaFlags, constraint, |
| viewMatrix, std::move(textureColorSpaceXform)); |
| } |
| static std::unique_ptr<GrDrawOp> Make(GrContext* context, |
| const GrRenderTargetContext::TextureSetEntry set[], |
| int cnt, GrSamplerState::Filter filter, GrAAType aaType, |
| const SkMatrix& viewMatrix, |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform) { |
| size_t size = sizeof(TextureOp) + sizeof(Proxy) * (cnt - 1); |
| GrOpMemoryPool* pool = context->contextPriv().opMemoryPool(); |
| void* mem = pool->allocate(size); |
| return std::unique_ptr<GrDrawOp>(new (mem) TextureOp(set, cnt, filter, aaType, 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) { |
| const Quad& quad = fQuads[q]; |
| 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, quad.color().toBytes_RGBA(), quad.srcRect().fLeft, quad.srcRect().fTop, |
| quad.srcRect().fRight, quad.srcRect().fBottom, quad.quad().point(0).fX, |
| quad.quad().point(0).fY, quad.quad().point(1).fX, quad.quad().point(1).fY, |
| quad.quad().point(2).fX, quad.quad().point(2).fY, quad.quad().point(3).fX, |
| quad.quad().point(3).fY); |
| } |
| } |
| str += INHERITED::dumpInfo(); |
| return str; |
| } |
| #endif |
| |
| RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip) override { |
| SkASSERT(!fFinalized); |
| fFinalized = true; |
| for (unsigned p = 0; p < fProxyCnt; ++p) { |
| fProxies[p].fProxy->addPendingRead(); |
| fProxies[p].fProxy->unref(); |
| } |
| return RequiresDstTexture::kNo; |
| } |
| |
| FixedFunctionFlags fixedFunctionFlags() const override { |
| return this->aaType() == GrAAType::kMSAA ? FixedFunctionFlags::kUsesHWAA |
| : FixedFunctionFlags::kNone; |
| } |
| |
| DEFINE_OP_CLASS_ID |
| |
| private: |
| friend class ::GrOpMemoryPool; |
| |
| TextureOp(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) |
| : INHERITED(ClassID()) |
| , fTextureColorSpaceXform(std::move(textureColorSpaceXform)) |
| , fFilter(static_cast<unsigned>(filter)) |
| , fFinalized(0) { |
| GrQuadType quadType = GrQuadTypeForTransformedRect(viewMatrix); |
| auto quad = GrPerspQuad(dstRect, viewMatrix); |
| |
| // 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, quad, quadType, &aaType, &aaFlags); |
| fAAType = static_cast<unsigned>(aaType); |
| |
| fQuadType = static_cast<unsigned>(quadType); |
| // We expect our caller to have already caught this optimization. |
| SkASSERT(!srcRect.contains(proxy->getWorstCaseBoundsRect()) || |
| constraint == SkCanvas::kFast_SrcRectConstraint); |
| if (quadType == GrQuadType::kRect) { |
| // Disable filtering if possible (note AA optimizations for rects are automatically |
| // handled above in GrResolveAATypeForQuad). |
| if (this->filter() != GrSamplerState::Filter::kNearest && |
| !filter_has_effect_for_rect_stays_rect(quad, srcRect)) { |
| fFilter = static_cast<unsigned>(GrSamplerState::Filter::kNearest); |
| } |
| } |
| // 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; |
| } |
| const auto& draw = fQuads.emplace_back(srcRect, quad, aaFlags, constraint, color); |
| fProxyCnt = 1; |
| fProxies[0] = {proxy.release(), 1}; |
| auto bounds = quad.bounds(); |
| this->setBounds(bounds, HasAABloat(aaType == GrAAType::kCoverage), IsZeroArea::kNo); |
| fDomain = static_cast<unsigned>(draw.domain()); |
| fWideColor = !SkPMColor4fFitsInBytes(color); |
| fCanSkipAllocatorGather = |
| static_cast<unsigned>(fProxies[0].fProxy->canSkipResourceAllocator()); |
| } |
| TextureOp(const GrRenderTargetContext::TextureSetEntry set[], int cnt, |
| GrSamplerState::Filter filter, GrAAType aaType, const SkMatrix& viewMatrix, |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform) |
| : INHERITED(ClassID()) |
| , fTextureColorSpaceXform(std::move(textureColorSpaceXform)) |
| , fFilter(static_cast<unsigned>(filter)) |
| , fFinalized(0) { |
| fQuads.reserve(cnt); |
| 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); |
| // All dst rects are transformed by the same view matrix, so their quad types are identical |
| GrQuadType quadType = GrQuadTypeForTransformedRect(viewMatrix); |
| 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); |
| } |
| auto quad = GrPerspQuad(set[p].fDstRect, viewMatrix); |
| bounds.joinPossiblyEmptyRect(quad.bounds()); |
| 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 || |
| filter_has_effect_for_rect_stays_rect(quad, set[p].fSrcRect); |
| } |
| float alpha = SkTPin(set[p].fAlpha, 0.f, 1.f); |
| SkPMColor4f color{alpha, alpha, alpha, alpha}; |
| fQuads.emplace_back(set[p].fSrcRect, quad, aaFlags, SkCanvas::kFast_SrcRectConstraint, |
| color); |
| } |
| fAAType = static_cast<unsigned>(overallAAType); |
| if (!mustFilter) { |
| fFilter = static_cast<unsigned>(GrSamplerState::Filter::kNearest); |
| } |
| this->setBounds(bounds, HasAABloat(this->aaType() == GrAAType::kCoverage), IsZeroArea::kNo); |
| fQuadType = static_cast<unsigned>(quadType); |
| fDomain = static_cast<unsigned>(false); |
| fWideColor = static_cast<unsigned>(false); |
| } |
| |
| 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 = 1.f / texture->width(); |
| float ih = 1.f / texture->height(); |
| |
| for (int i = start; i < start + cnt; ++i) { |
| const auto q = fQuads[i]; |
| GrPerspQuad srcQuad = compute_src_quad(origin, q.srcRect(), iw, ih); |
| SkRect domain = compute_domain(q.domain(), this->filter(), origin, q.srcRect(), iw, ih); |
| v = GrQuadPerEdgeAA::Tessellate(v, spec, q.quad(), q.color(), srcQuad, domain, |
| q.aaFlags()); |
| } |
| } |
| |
| void onPrepareDraws(Target* target) override { |
| TRACE_EVENT0("skia", TRACE_FUNC); |
| GrQuadType quadType = GrQuadType::kRect; |
| Domain domain = Domain::kNo; |
| bool wideColor = false; |
| 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.quadType() > quadType) { |
| quadType = op.quadType(); |
| } |
| if (op.fDomain) { |
| domain = Domain::kYes; |
| } |
| wideColor |= op.fWideColor; |
| numProxies += op.fProxyCnt; |
| for (unsigned p = 0; p < op.fProxyCnt; ++p) { |
| numTotalQuads += op.fProxies[p].fQuadCnt; |
| auto* proxy = op.fProxies[p].fProxy; |
| 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, wideColor ? ColorType::kHalf : ColorType::kByte, |
| GrQuadType::kRect, /* hasLocal */ true, domain, aaType); |
| |
| sk_sp<GrGeometryProcessor> gp = TextureGeometryProcessor::Make( |
| textureType, config, this->filter(), std::move(fTextureColorSpaceXform), |
| vertexSpec, *target->caps().shaderCaps()); |
| GrPipeline::InitArgs args; |
| args.fProxy = target->proxy(); |
| args.fCaps = &target->caps(); |
| args.fResourceProvider = target->resourceProvider(); |
| args.fFlags = 0; |
| if (aaType == GrAAType::kMSAA) { |
| args.fFlags |= GrPipeline::kHWAntialias_Flag; |
| } |
| |
| auto clip = target->detachAppliedClip(); |
| // 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->allocFixedDynamicState(clip.scissorState().rect(), 0); |
| } else { |
| fixedDynamicState = target->allocFixedDynamicState(clip.scissorState().rect(), 1); |
| fixedDynamicState->fPrimitiveProcessorTextures[0] = fProxies[0].fProxy; |
| } |
| const auto* pipeline = |
| target->allocPipeline(args, GrProcessorSet::MakeEmptySet(), std::move(clip)); |
| |
| size_t vertexSize = gp->vertexStride(); |
| |
| GrMesh* meshes = target->allocMeshes(numProxies); |
| const GrBuffer* vbuffer; |
| int vertexOffsetInBuffer = 0; |
| int numQuadVerticesLeft = numTotalQuads * 4; |
| 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 * 4; |
| 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 (quadCnt > 1) { |
| meshes[m].setPrimitiveType(GrPrimitiveType::kTriangles); |
| sk_sp<const GrBuffer> ibuffer = |
| target->resourceProvider()->refQuadIndexBuffer(); |
| if (!ibuffer) { |
| SkDebugf("Could not allocate quad indices\n"); |
| return; |
| } |
| meshes[m].setIndexedPatterned(ibuffer.get(), 6, 4, quadCnt, |
| GrResourceProvider::QuadCountOfQuadBuffer()); |
| } else { |
| meshes[m].setPrimitiveType(GrPrimitiveType::kTriangleStrip); |
| meshes[m].setNonIndexedNonInstanced(4); |
| } |
| 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->draw(std::move(gp), pipeline, fixedDynamicState, dynamicStateArrays, meshes, |
| numProxies); |
| } |
| |
| 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 (thisProxy->config() == thatProxy->config() && |
| thisProxy->textureType() == thatProxy->textureType() && |
| caps.dynamicStateArrayGeometryProcessorTextureSupport()) { |
| return CombineResult::kMayChain; |
| } |
| return CombineResult::kCannotCombine; |
| } |
| fProxies[0].fQuadCnt += that->fQuads.count(); |
| fQuads.push_back_n(that->fQuads.count(), that->fQuads.begin()); |
| if (that->fQuadType > fQuadType) { |
| fQuadType = that->fQuadType; |
| } |
| fDomain |= that->fDomain; |
| fWideColor |= that->fWideColor; |
| if (upgradeToCoverageAAOnMerge) { |
| fAAType = static_cast<unsigned>(GrAAType::kCoverage); |
| } |
| return CombineResult::kMerged; |
| } |
| |
| GrAAType aaType() const { return static_cast<GrAAType>(fAAType); } |
| GrSamplerState::Filter filter() const { return static_cast<GrSamplerState::Filter>(fFilter); } |
| GrQuadType quadType() const { return static_cast<GrQuadType>(fQuadType); } |
| |
| class Quad { |
| public: |
| Quad(const SkRect& srcRect, const GrPerspQuad& quad, GrQuadAAFlags aaFlags, |
| SkCanvas::SrcRectConstraint constraint, const SkPMColor4f& color) |
| : fSrcRect(srcRect) |
| , fQuad(quad) |
| , fColor(color) |
| , fHasDomain(constraint == SkCanvas::kStrict_SrcRectConstraint) |
| , fAAFlags(static_cast<unsigned>(aaFlags)) { |
| SkASSERT(fAAFlags == static_cast<unsigned>(aaFlags)); |
| } |
| const GrPerspQuad& quad() const { return fQuad; } |
| const SkRect& srcRect() const { return fSrcRect; } |
| SkPMColor4f color() const { return fColor; } |
| Domain domain() const { return Domain(fHasDomain); } |
| GrQuadAAFlags aaFlags() const { return static_cast<GrQuadAAFlags>(fAAFlags); } |
| |
| private: |
| SkRect fSrcRect; |
| GrPerspQuad fQuad; |
| SkPMColor4f fColor; |
| unsigned fHasDomain : 1; |
| unsigned fAAFlags : 4; |
| }; |
| struct Proxy { |
| GrTextureProxy* fProxy; |
| int fQuadCnt; |
| }; |
| SkSTArray<1, Quad, true> fQuads; |
| sk_sp<GrColorSpaceXform> fTextureColorSpaceXform; |
| unsigned fFilter : 2; |
| unsigned fAAType : 2; |
| unsigned fQuadType : 2; // Device quad, src quad is always trivial |
| unsigned fDomain : 1; |
| unsigned fWideColor : 1; |
| // 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 - 10; |
| 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(GrContext* 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> Make(GrContext* context, |
| const GrRenderTargetContext::TextureSetEntry set[], |
| int cnt, |
| GrSamplerState::Filter filter, |
| GrAAType aaType, |
| const SkMatrix& viewMatrix, |
| sk_sp<GrColorSpaceXform> textureColorSpaceXform) { |
| return TextureOp::Make(context, set, cnt, filter, aaType, viewMatrix, |
| std::move(textureColorSpaceXform)); |
| } |
| |
| } // namespace GrTextureOp |
| |
| #if GR_TEST_UTILS |
| #include "GrContext.h" |
| #include "GrContextPriv.h" |
| #include "GrProxyProvider.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->contextPriv().caps()->getBackendFormatFromColorType(kRGBA_8888_SkColorType); |
| |
| GrProxyProvider* proxyProvider = context->contextPriv().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 |