src/gpu/ccpr/GrCCCoverageProcessor.h - skia - Git at Google

 /*
  * Copyright 2017 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */

 #ifndef GrCCCoverageProcessor_DEFINED
 #define GrCCCoverageProcessor_DEFINED

 #include "GrCaps.h"
 #include "GrGeometryProcessor.h"
 #include "GrPipeline.h"
 #include "GrShaderCaps.h"
 #include "SkNx.h"
 #include "glsl/GrGLSLGeometryProcessor.h"
 #include "glsl/GrGLSLVarying.h"

 class GrGLSLFPFragmentBuilder;
 class GrGLSLVertexGeoBuilder;
 class GrMesh;
 class GrOpFlushState;

 /**
  * This is the geometry processor for the simple convex primitive shapes (triangles and closed,
  * convex bezier curves) from which ccpr paths are composed. The output is a single-channel alpha
  * value, positive for clockwise shapes and negative for counter-clockwise, that indicates coverage.
  *
  * The caller is responsible to draw all primitives as produced by GrCCGeometry into a cleared,
  * floating point, alpha-only render target using SkBlendMode::kPlus. Once all of a path's
  * primitives have been drawn, the render target contains a composite coverage count that can then
  * be used to draw the path (see GrCCPathProcessor).
  *
  * To draw primitives, use appendMesh() and draw() (defined below).
  */
 class GrCCCoverageProcessor : public GrGeometryProcessor {
 public:
     enum class PrimitiveType {
         kTriangles,
         kWeightedTriangles, // Triangles (from the tessellator) whose winding magnitude > 1.
         kQuadratics,
         kCubics,
     };
     static const char* PrimitiveTypeName(PrimitiveType);

     // Defines a single primitive shape with 3 input points (i.e. Triangles and Quadratics).
     // X,Y point values are transposed.
     struct TriPointInstance {
         float fX[3];
         float fY[3];

         void set(const SkPoint[3], const Sk2f& trans);
         void set(const SkPoint&, const SkPoint&, const SkPoint&, const Sk2f& trans);
     };

     // Defines a single primitive shape with 4 input points, or 3 input points plus a W parameter
     // duplicated in both 4th components (i.e. Cubics or Triangles with a custom winding number).
     // X,Y point values are transposed.
     struct QuadPointInstance {
         float fX[4];
         float fY[4];

         void set(const SkPoint[4], float dx, float dy);
         void setW(const SkPoint&, const SkPoint&, const SkPoint&, const Sk2f& trans, float w);
     };

     GrCCCoverageProcessor(GrResourceProvider* rp, PrimitiveType type)
             : INHERITED(kGrCCCoverageProcessor_ClassID)
             , fPrimitiveType(type)
             , fImpl(rp->caps()->shaderCaps()->geometryShaderSupport() ? Impl::kGeometryShader
                                                                       : Impl::kVertexShader) {
         if (Impl::kGeometryShader == fImpl) {
             this->initGS();
         } else {
             this->initVS(rp);
         }
     }

     // GrPrimitiveProcessor overrides.
     const char* name() const override { return PrimitiveTypeName(fPrimitiveType); }
     SkString dumpInfo() const override {
         return SkStringPrintf("%s\n%s", this->name(), this->INHERITED::dumpInfo().c_str());
     }
     void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override;
     GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const override;

 #ifdef SK_DEBUG
     // Increases the 1/2 pixel AA bloat by a factor of debugBloat.
     void enableDebugBloat(float debugBloat) { fDebugBloat = debugBloat; }
     bool debugBloatEnabled() const { return fDebugBloat > 0; }
     float debugBloat() const { SkASSERT(this->debugBloatEnabled()); return fDebugBloat; }
 #endif

     // Appends a GrMesh that will draw the provided instances. The instanceBuffer must be an array
     // of either TriPointInstance or QuadPointInstance, depending on this processor's RendererPass,
     // with coordinates in the desired shape's final atlas-space position.
     void appendMesh(GrBuffer* instanceBuffer, int instanceCount, int baseInstance,
                     SkTArray<GrMesh>* out) const {
         if (Impl::kGeometryShader == fImpl) {
             this->appendGSMesh(instanceBuffer, instanceCount, baseInstance, out);
         } else {
             this->appendVSMesh(instanceBuffer, instanceCount, baseInstance, out);
         }
     }

     void draw(GrOpFlushState*, const GrPipeline&, const GrMesh[], const GrPipeline::DynamicState[],
               int meshCount, const SkRect& drawBounds) const;

     // The Shader provides code to calculate each pixel's coverage in a RenderPass. It also
     // provides details about shape-specific geometry.
     class Shader {
     public:
         // Called before generating geometry. Subclasses may set up internal member variables during
         // this time that will be needed during onEmitVaryings (e.g. transformation matrices).
         //
         // If the 'outHull4' parameter is provided, and there are not 4 input points, the subclass
         // is required to fill it with the name of a 4-point hull around which the Impl can generate
         // its geometry. If it is left unchanged, the Impl will use the regular input points.
         virtual void emitSetupCode(GrGLSLVertexGeoBuilder*, const char* pts, const char* wind,
                                    const char** outHull4 = nullptr) const {
             SkASSERT(!outHull4);
         }

         void emitVaryings(GrGLSLVaryingHandler* varyingHandler, GrGLSLVarying::Scope scope,
                           SkString* code, const char* position, const char* coverage,
                           const char* cornerCoverage) {
             SkASSERT(GrGLSLVarying::Scope::kVertToGeo != scope);
             this->onEmitVaryings(varyingHandler, scope, code, position, coverage, cornerCoverage);
         }

         void emitFragmentCode(const GrCCCoverageProcessor&, GrGLSLFPFragmentBuilder*,
                               const char* skOutputColor, const char* skOutputCoverage) const;

         // Defines an equation ("dot(float3(pt, 1), distance_equation)") that is -1 on the outside
         // border of a conservative raster edge and 0 on the inside. 'leftPt' and 'rightPt' must be
         // ordered clockwise.
         static void EmitEdgeDistanceEquation(GrGLSLVertexGeoBuilder*, const char* leftPt,
                                              const char* rightPt,
                                              const char* outputDistanceEquation);

         // Calculates an edge's coverage at a conservative raster vertex. The edge is defined by two
         // clockwise-ordered points, 'leftPt' and 'rightPt'. 'rasterVertexDir' is a pair of +/-1
         // values that point in the direction of conservative raster bloat, starting from an
         // endpoint.
         //
         // Coverage values ramp from -1 (completely outside the edge) to 0 (completely inside).
         static void CalcEdgeCoverageAtBloatVertex(GrGLSLVertexGeoBuilder*, const char* leftPt,
                                                   const char* rightPt, const char* rasterVertexDir,
                                                   const char* outputCoverage);

         // Calculates an edge's coverage at two conservative raster vertices.
         // (See CalcEdgeCoverageAtBloatVertex).
         static void CalcEdgeCoveragesAtBloatVertices(GrGLSLVertexGeoBuilder*, const char* leftPt,
                                                      const char* rightPt, const char* bloatDir1,
                                                      const char* bloatDir2,
                                                      const char* outputCoverages);

         // Corner boxes require an additional "attenuation" varying that is multiplied by the
         // regular (linearly-interpolated) coverage. This function calculates the attenuation value
         // to use in the single, outermost vertex. The remaining three vertices of the corner box
         // all use an attenuation value of 1.
         static void CalcCornerAttenuation(GrGLSLVertexGeoBuilder*, const char* leftDir,
                                           const char* rightDir, const char* outputAttenuation);

         virtual ~Shader() {}

     protected:
         // Here the subclass adds its internal varyings to the handler and produces code to
         // initialize those varyings from a given position and coverage values.
         //
         // NOTE: the coverage values are signed appropriately for wind.
         //       'coverage' will only be +1 or -1 on curves.
         virtual void onEmitVaryings(GrGLSLVaryingHandler*, GrGLSLVarying::Scope, SkString* code,
                                     const char* position, const char* coverage,
                                     const char* cornerCoverage) = 0;

         // Emits the fragment code that calculates a pixel's signed coverage value.
         virtual void onEmitFragmentCode(GrGLSLFPFragmentBuilder*,
                                         const char* outputCoverage) const = 0;

         // Returns the name of a Shader's internal varying at the point where where its value is
         // assigned. This is intended to work whether called for a vertex or a geometry shader.
         const char* OutName(const GrGLSLVarying& varying) const {
             using Scope = GrGLSLVarying::Scope;
             SkASSERT(Scope::kVertToGeo != varying.scope());
             return Scope::kGeoToFrag == varying.scope() ? varying.gsOut() : varying.vsOut();
         }

         // Our friendship with GrGLSLShaderBuilder does not propogate to subclasses.
         inline static SkString& AccessCodeString(GrGLSLShaderBuilder* s) { return s->code(); }
     };

 private:
     class GSImpl;
     class GSTriangleHullImpl;
     class GSCurveHullImpl;
     class GSCornerImpl;
     class VSImpl;
     class TriangleShader;

     // Slightly undershoot a bloat radius of 0.5 so vertices that fall on integer boundaries don't
     // accidentally bleed into neighbor pixels.
     static constexpr float kAABloatRadius = 0.491111f;

     // Number of bezier points for curves, or 3 for triangles.
     int numInputPoints() const { return PrimitiveType::kCubics == fPrimitiveType ? 4 : 3; }

     enum class Impl : bool {
         kGeometryShader,
         kVertexShader
     };

     // Geometry shader backend draws primitives in two subpasses.
     enum class GSSubpass : bool {
         kHulls,
         kCorners
     };

     GrCCCoverageProcessor(const GrCCCoverageProcessor& proc, GSSubpass subpass)
             : INHERITED(kGrCCCoverageProcessor_ClassID)
             , fPrimitiveType(proc.fPrimitiveType)
             , fImpl(Impl::kGeometryShader)
             SkDEBUGCODE(, fDebugBloat(proc.fDebugBloat))
             , fGSSubpass(subpass) {
         SkASSERT(Impl::kGeometryShader == proc.fImpl);
         this->initGS();
     }

     void initGS();
     void initVS(GrResourceProvider*);

     void appendGSMesh(GrBuffer* instanceBuffer, int instanceCount, int baseInstance,
                       SkTArray<GrMesh>* out) const;
     void appendVSMesh(GrBuffer* instanceBuffer, int instanceCount, int baseInstance,
                       SkTArray<GrMesh>* out) const;

     GrGLSLPrimitiveProcessor* createGSImpl(std::unique_ptr<Shader>) const;
     GrGLSLPrimitiveProcessor* createVSImpl(std::unique_ptr<Shader>) const;

     const PrimitiveType fPrimitiveType;
     const Impl fImpl;
     SkDEBUGCODE(float fDebugBloat = 0);

     // Used by GSImpl.
     const GSSubpass fGSSubpass = GSSubpass::kHulls;

     // Used by VSImpl.
     sk_sp<const GrBuffer> fVSVertexBuffer;
     sk_sp<const GrBuffer> fVSIndexBuffer;
     int fVSNumIndicesPerInstance;
     GrPrimitiveType fVSTriangleType;

     typedef GrGeometryProcessor INHERITED;
 };

 inline const char* GrCCCoverageProcessor::PrimitiveTypeName(PrimitiveType type) {
     switch (type) {
         case PrimitiveType::kTriangles: return "kTriangles";
         case PrimitiveType::kWeightedTriangles: return "kWeightedTriangles";
         case PrimitiveType::kQuadratics: return "kQuadratics";
         case PrimitiveType::kCubics: return "kCubics";
     }
     SK_ABORT("Invalid PrimitiveType");
     return "";
 }

 inline void GrCCCoverageProcessor::TriPointInstance::set(const SkPoint p[3], const Sk2f& trans) {
     this->set(p[0], p[1], p[2], trans);
 }

 inline void GrCCCoverageProcessor::TriPointInstance::set(const SkPoint& p0, const SkPoint& p1,
                                                          const SkPoint& p2, const Sk2f& trans) {
     Sk2f P0 = Sk2f::Load(&p0) + trans;
     Sk2f P1 = Sk2f::Load(&p1) + trans;
     Sk2f P2 = Sk2f::Load(&p2) + trans;
     Sk2f::Store3(this, P0, P1, P2);
 }

 inline void GrCCCoverageProcessor::QuadPointInstance::set(const SkPoint p[4], float dx, float dy) {
     Sk4f X,Y;
     Sk4f::Load2(p, &X, &Y);
     (X + dx).store(&fX);
     (Y + dy).store(&fY);
 }

 inline void GrCCCoverageProcessor::QuadPointInstance::setW(const SkPoint& p0, const SkPoint& p1,
                                                            const SkPoint& p2, const Sk2f& trans,
                                                            float w) {
     Sk2f P0 = Sk2f::Load(&p0) + trans;
     Sk2f P1 = Sk2f::Load(&p1) + trans;
     Sk2f P2 = Sk2f::Load(&p2) + trans;
     Sk2f W = Sk2f(w);
     Sk2f::Store4(this, P0, P1, P2, W);
 }

 #endif
	/*
	* Copyright 2017 Google Inc.
	*
	* Use of this source code is governed by a BSD-style license that can be
	* found in the LICENSE file.
	*/

	#ifndef GrCCCoverageProcessor_DEFINED
	#define GrCCCoverageProcessor_DEFINED

	#include "GrCaps.h"
	#include "GrGeometryProcessor.h"
	#include "GrPipeline.h"
	#include "GrShaderCaps.h"
	#include "SkNx.h"
	#include "glsl/GrGLSLGeometryProcessor.h"
	#include "glsl/GrGLSLVarying.h"

	class GrGLSLFPFragmentBuilder;
	class GrGLSLVertexGeoBuilder;
	class GrMesh;
	class GrOpFlushState;

	/**
	* This is the geometry processor for the simple convex primitive shapes (triangles and closed,
	* convex bezier curves) from which ccpr paths are composed. The output is a single-channel alpha
	* value, positive for clockwise shapes and negative for counter-clockwise, that indicates coverage.
	*
	* The caller is responsible to draw all primitives as produced by GrCCGeometry into a cleared,
	* floating point, alpha-only render target using SkBlendMode::kPlus. Once all of a path's
	* primitives have been drawn, the render target contains a composite coverage count that can then
	* be used to draw the path (see GrCCPathProcessor).
	*
	* To draw primitives, use appendMesh() and draw() (defined below).
	*/
	class GrCCCoverageProcessor : public GrGeometryProcessor {
	public:
	enum class PrimitiveType {
	kTriangles,
	kWeightedTriangles, // Triangles (from the tessellator) whose winding magnitude > 1.
	kQuadratics,
	kCubics,
	};
	static const char* PrimitiveTypeName(PrimitiveType);

	// Defines a single primitive shape with 3 input points (i.e. Triangles and Quadratics).
	// X,Y point values are transposed.
	struct TriPointInstance {
	float fX[3];
	float fY[3];

	void set(const SkPoint[3], const Sk2f& trans);
	void set(const SkPoint&, const SkPoint&, const SkPoint&, const Sk2f& trans);
	};

	// Defines a single primitive shape with 4 input points, or 3 input points plus a W parameter
	// duplicated in both 4th components (i.e. Cubics or Triangles with a custom winding number).
	// X,Y point values are transposed.
	struct QuadPointInstance {
	float fX[4];
	float fY[4];

	void set(const SkPoint[4], float dx, float dy);
	void setW(const SkPoint&, const SkPoint&, const SkPoint&, const Sk2f& trans, float w);
	};

	GrCCCoverageProcessor(GrResourceProvider* rp, PrimitiveType type)
	: INHERITED(kGrCCCoverageProcessor_ClassID)
	, fPrimitiveType(type)
	, fImpl(rp->caps()->shaderCaps()->geometryShaderSupport() ? Impl::kGeometryShader
	: Impl::kVertexShader) {
	if (Impl::kGeometryShader == fImpl) {
	this->initGS();
	} else {
	this->initVS(rp);
	}
	}

	// GrPrimitiveProcessor overrides.
	const char* name() const override { return PrimitiveTypeName(fPrimitiveType); }
	SkString dumpInfo() const override {
	return SkStringPrintf("%s\n%s", this->name(), this->INHERITED::dumpInfo().c_str());
	}
	void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override;
	GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const override;

	#ifdef SK_DEBUG
	// Increases the 1/2 pixel AA bloat by a factor of debugBloat.
	void enableDebugBloat(float debugBloat) { fDebugBloat = debugBloat; }
	bool debugBloatEnabled() const { return fDebugBloat > 0; }
	float debugBloat() const { SkASSERT(this->debugBloatEnabled()); return fDebugBloat; }
	#endif

	// Appends a GrMesh that will draw the provided instances. The instanceBuffer must be an array
	// of either TriPointInstance or QuadPointInstance, depending on this processor's RendererPass,
	// with coordinates in the desired shape's final atlas-space position.
	void appendMesh(GrBuffer* instanceBuffer, int instanceCount, int baseInstance,
	SkTArray<GrMesh>* out) const {
	if (Impl::kGeometryShader == fImpl) {
	this->appendGSMesh(instanceBuffer, instanceCount, baseInstance, out);
	} else {
	this->appendVSMesh(instanceBuffer, instanceCount, baseInstance, out);
	}
	}

	void draw(GrOpFlushState*, const GrPipeline&, const GrMesh[], const GrPipeline::DynamicState[],
	int meshCount, const SkRect& drawBounds) const;

	// The Shader provides code to calculate each pixel's coverage in a RenderPass. It also
	// provides details about shape-specific geometry.
	class Shader {
	public:
	// Called before generating geometry. Subclasses may set up internal member variables during
	// this time that will be needed during onEmitVaryings (e.g. transformation matrices).
	//
	// If the 'outHull4' parameter is provided, and there are not 4 input points, the subclass
	// is required to fill it with the name of a 4-point hull around which the Impl can generate
	// its geometry. If it is left unchanged, the Impl will use the regular input points.
	virtual void emitSetupCode(GrGLSLVertexGeoBuilder, const char pts, const char* wind,
	const char** outHull4 = nullptr) const {
	SkASSERT(!outHull4);
	}

	void emitVaryings(GrGLSLVaryingHandler* varyingHandler, GrGLSLVarying::Scope scope,
	SkString* code, const char* position, const char* coverage,
	const char* cornerCoverage) {
	SkASSERT(GrGLSLVarying::Scope::kVertToGeo != scope);
	this->onEmitVaryings(varyingHandler, scope, code, position, coverage, cornerCoverage);
	}

	void emitFragmentCode(const GrCCCoverageProcessor&, GrGLSLFPFragmentBuilder*,
	const char* skOutputColor, const char* skOutputCoverage) const;

	// Defines an equation ("dot(float3(pt, 1), distance_equation)") that is -1 on the outside
	// border of a conservative raster edge and 0 on the inside. 'leftPt' and 'rightPt' must be
	// ordered clockwise.
	static void EmitEdgeDistanceEquation(GrGLSLVertexGeoBuilder, const char leftPt,
	const char* rightPt,
	const char* outputDistanceEquation);

	// Calculates an edge's coverage at a conservative raster vertex. The edge is defined by two
	// clockwise-ordered points, 'leftPt' and 'rightPt'. 'rasterVertexDir' is a pair of +/-1
	// values that point in the direction of conservative raster bloat, starting from an
	// endpoint.
	//
	// Coverage values ramp from -1 (completely outside the edge) to 0 (completely inside).
	static void CalcEdgeCoverageAtBloatVertex(GrGLSLVertexGeoBuilder, const char leftPt,
	const char* rightPt, const char* rasterVertexDir,
	const char* outputCoverage);

	// Calculates an edge's coverage at two conservative raster vertices.
	// (See CalcEdgeCoverageAtBloatVertex).
	static void CalcEdgeCoveragesAtBloatVertices(GrGLSLVertexGeoBuilder, const char leftPt,
	const char* rightPt, const char* bloatDir1,
	const char* bloatDir2,
	const char* outputCoverages);

	// Corner boxes require an additional "attenuation" varying that is multiplied by the
	// regular (linearly-interpolated) coverage. This function calculates the attenuation value
	// to use in the single, outermost vertex. The remaining three vertices of the corner box
	// all use an attenuation value of 1.
	static void CalcCornerAttenuation(GrGLSLVertexGeoBuilder, const char leftDir,
	const char* rightDir, const char* outputAttenuation);

	virtual ~Shader() {}

	protected:
	// Here the subclass adds its internal varyings to the handler and produces code to
	// initialize those varyings from a given position and coverage values.
	//
	// NOTE: the coverage values are signed appropriately for wind.
	// 'coverage' will only be +1 or -1 on curves.
	virtual void onEmitVaryings(GrGLSLVaryingHandler, GrGLSLVarying::Scope, SkString code,
	const char* position, const char* coverage,
	const char* cornerCoverage) = 0;

	// Emits the fragment code that calculates a pixel's signed coverage value.
	virtual void onEmitFragmentCode(GrGLSLFPFragmentBuilder*,
	const char* outputCoverage) const = 0;

	// Returns the name of a Shader's internal varying at the point where where its value is
	// assigned. This is intended to work whether called for a vertex or a geometry shader.
	const char* OutName(const GrGLSLVarying& varying) const {
	using Scope = GrGLSLVarying::Scope;
	SkASSERT(Scope::kVertToGeo != varying.scope());
	return Scope::kGeoToFrag == varying.scope() ? varying.gsOut() : varying.vsOut();
	}

	// Our friendship with GrGLSLShaderBuilder does not propogate to subclasses.
	inline static SkString& AccessCodeString(GrGLSLShaderBuilder* s) { return s->code(); }
	};

	private:
	class GSImpl;
	class GSTriangleHullImpl;
	class GSCurveHullImpl;
	class GSCornerImpl;
	class VSImpl;
	class TriangleShader;

	// Slightly undershoot a bloat radius of 0.5 so vertices that fall on integer boundaries don't
	// accidentally bleed into neighbor pixels.
	static constexpr float kAABloatRadius = 0.491111f;

	// Number of bezier points for curves, or 3 for triangles.
	int numInputPoints() const { return PrimitiveType::kCubics == fPrimitiveType ? 4 : 3; }

	enum class Impl : bool {
	kGeometryShader,
	kVertexShader
	};

	// Geometry shader backend draws primitives in two subpasses.
	enum class GSSubpass : bool {
	kHulls,
	kCorners
	};

	GrCCCoverageProcessor(const GrCCCoverageProcessor& proc, GSSubpass subpass)
	: INHERITED(kGrCCCoverageProcessor_ClassID)
	, fPrimitiveType(proc.fPrimitiveType)
	, fImpl(Impl::kGeometryShader)
	SkDEBUGCODE(, fDebugBloat(proc.fDebugBloat))
	, fGSSubpass(subpass) {
	SkASSERT(Impl::kGeometryShader == proc.fImpl);
	this->initGS();
	}

	void initGS();
	void initVS(GrResourceProvider*);

	void appendGSMesh(GrBuffer* instanceBuffer, int instanceCount, int baseInstance,
	SkTArray<GrMesh>* out) const;
	void appendVSMesh(GrBuffer* instanceBuffer, int instanceCount, int baseInstance,
	SkTArray<GrMesh>* out) const;

	GrGLSLPrimitiveProcessor* createGSImpl(std::unique_ptr<Shader>) const;
	GrGLSLPrimitiveProcessor* createVSImpl(std::unique_ptr<Shader>) const;

	const PrimitiveType fPrimitiveType;
	const Impl fImpl;
	SkDEBUGCODE(float fDebugBloat = 0);

	// Used by GSImpl.
	const GSSubpass fGSSubpass = GSSubpass::kHulls;

	// Used by VSImpl.
	sk_sp<const GrBuffer> fVSVertexBuffer;
	sk_sp<const GrBuffer> fVSIndexBuffer;
	int fVSNumIndicesPerInstance;
	GrPrimitiveType fVSTriangleType;

	typedef GrGeometryProcessor INHERITED;
	};

	inline const char* GrCCCoverageProcessor::PrimitiveTypeName(PrimitiveType type) {
	switch (type) {
	case PrimitiveType::kTriangles: return "kTriangles";
	case PrimitiveType::kWeightedTriangles: return "kWeightedTriangles";
	case PrimitiveType::kQuadratics: return "kQuadratics";
	case PrimitiveType::kCubics: return "kCubics";
	}
	SK_ABORT("Invalid PrimitiveType");
	return "";
	}

	inline void GrCCCoverageProcessor::TriPointInstance::set(const SkPoint p[3], const Sk2f& trans) {
	this->set(p[0], p[1], p[2], trans);
	}

	inline void GrCCCoverageProcessor::TriPointInstance::set(const SkPoint& p0, const SkPoint& p1,
	const SkPoint& p2, const Sk2f& trans) {
	Sk2f P0 = Sk2f::Load(&p0) + trans;
	Sk2f P1 = Sk2f::Load(&p1) + trans;
	Sk2f P2 = Sk2f::Load(&p2) + trans;
	Sk2f::Store3(this, P0, P1, P2);
	}

	inline void GrCCCoverageProcessor::QuadPointInstance::set(const SkPoint p[4], float dx, float dy) {
	Sk4f X,Y;
	Sk4f::Load2(p, &X, &Y);
	(X + dx).store(&fX);
	(Y + dy).store(&fY);
	}

	inline void GrCCCoverageProcessor::QuadPointInstance::setW(const SkPoint& p0, const SkPoint& p1,
	const SkPoint& p2, const Sk2f& trans,
	float w) {
	Sk2f P0 = Sk2f::Load(&p0) + trans;
	Sk2f P1 = Sk2f::Load(&p1) + trans;
	Sk2f P2 = Sk2f::Load(&p2) + trans;
	Sk2f W = Sk2f(w);
	Sk2f::Store4(this, P0, P1, P2, W);
	}

	#endif