#include <GrMeshDrawOp.h>

Inheritance diagram for GrMeshDrawOp::PatternHelper:

Public Member Functions
	PatternHelper (GrMeshDrawTarget *, GrPrimitiveType, size_t vertexStride, sk_sp< const GrBuffer > indexBuffer, int verticesPerRepetition, int indicesPerRepetition, int repeatCount, int maxRepetitions)

void	recordDraw (GrMeshDrawTarget , const GrGeometryProcessor ) const

void	recordDraw (GrMeshDrawTarget , const GrGeometryProcessor , const GrSurfaceProxy *const primProcProxies[]) const

void *	vertices () const

GrSimpleMesh *	mesh ()

Protected Member Functions
	PatternHelper ()=default

void	init (GrMeshDrawTarget *, GrPrimitiveType, size_t vertexStride, sk_sp< const GrBuffer > indexBuffer, int verticesPerRepetition, int indicesPerRepetition, int repeatCount, int maxRepetitions)

Detailed Description

Helper for rendering repeating meshes using a patterned index buffer. This class creates the space for the vertices and flushes the draws to the GrMeshDrawTarget.

Definition at line 55 of file GrMeshDrawOp.h.

Constructor & Destructor Documentation

◆ PatternHelper() [1/2]

GrMeshDrawOp::PatternHelper::PatternHelper	(	GrMeshDrawTarget *	target,
		GrPrimitiveType	primitiveType,
		size_t	vertexStride,
		sk_sp< const GrBuffer >	indexBuffer,
		int	verticesPerRepetition,
		int	indicesPerRepetition,
		int	repeatCount,
		int	maxRepetitions
	)

Definition at line 68 of file GrMeshDrawOp.cpp.

                                                                                {
    this->init(target, primitiveType, vertexStride, std::move(indexBuffer), verticesPerRepetition,
               indicesPerRepetition, repeatCount, maxRepetitions);
}

◆ PatternHelper() [2/2]

GrMeshDrawOp::PatternHelper::PatternHelper ( )

protecteddefault

Member Function Documentation

◆ init()

void GrMeshDrawOp::PatternHelper::init	(	GrMeshDrawTarget *	target,
		GrPrimitiveType	primitiveType,
		size_t	vertexStride,
		sk_sp< const GrBuffer >	indexBuffer,
		int	verticesPerRepetition,
		int	indicesPerRepetition,
		int	repeatCount,
		int	maxRepetitions
	)

protected

Definition at line 76 of file GrMeshDrawOp.cpp.

                                                                            {
    SkASSERT(target);
    if (!indexBuffer) {
        return;
    }
    sk_sp<const GrBuffer> vertexBuffer;
    int firstVertex;
    int vertexCount = verticesPerRepetition * repeatCount;
    fVertices = target->makeVertexSpace(vertexStride, vertexCount, &vertexBuffer, &firstVertex);
    if (!fVertices) {
        SkDebugf("Vertices could not be allocated for patterned rendering.");
        return;
    }
    SkASSERT(vertexBuffer);
    fMesh = target->allocMesh();
    fPrimitiveType = primitiveType;
 
    SkASSERT(maxRepetitions ==
             static_cast<int>(indexBuffer->size() / (sizeof(uint16_t) * indicesPerRepetition)));
    fMesh->setIndexedPatterned(std::move(indexBuffer), indicesPerRepetition, repeatCount,
                               maxRepetitions, std::move(vertexBuffer), verticesPerRepetition,
                               firstVertex);
}

◆ mesh()

GrSimpleMesh * GrMeshDrawOp::PatternHelper::mesh ( )

inline

Definition at line 67 of file GrMeshDrawOp.h.

67{ return fMesh; }

◆ recordDraw() [1/2]

void GrMeshDrawOp::PatternHelper::recordDraw	(	GrMeshDrawTarget *	target,
		const GrGeometryProcessor *	gp
	)		const

Called to issue draws to the GrMeshDrawTarget.

Definition at line 103 of file GrMeshDrawOp.cpp.

                                                                                  {
    target->recordDraw(gp, fMesh, 1, fPrimitiveType);
}

◆ recordDraw() [2/2]

void GrMeshDrawOp::PatternHelper::recordDraw	(	GrMeshDrawTarget *	target,
		const GrGeometryProcessor *	gp,
		const GrSurfaceProxy *const	primProcProxies[]
	)		const

Definition at line 108 of file GrMeshDrawOp.cpp.

                                                             {
    target->recordDraw(gp, fMesh, 1, primProcProxies, fPrimitiveType);
}

◆ vertices()

void * GrMeshDrawOp::PatternHelper::vertices ( ) const

inline

Definition at line 66 of file GrMeshDrawOp.h.

66{ return fVertices; }

The documentation for this class was generated from the following files:

third_party/skia/src/gpu/ganesh/ops/GrMeshDrawOp.h
third_party/skia/src/gpu/ganesh/ops/GrMeshDrawOp.cpp

Public Member Functions

Protected Member Functions