#include <PathTessellator.h>

Inheritance diagram for skgpu::ganesh::PathWedgeTessellator:

Public Member Functions
	PathWedgeTessellator (bool infinitySupport, PatchAttribs attribs=PatchAttribs::kNone)

void	prepare (GrMeshDrawTarget *target, const SkMatrix &shaderMatrix, const PathDrawList &pathDrawList, int totalCombinedPathVerbCnt) final

void	draw (GrOpFlushState *) const final

Public Member Functions inherited from skgpu::ganesh::PathTessellator
virtual	~PathTessellator ()

PatchAttribs	patchAttribs () const

virtual void	prepare (GrMeshDrawTarget *target, const SkMatrix &shaderMatrix, const PathDrawList &pathDrawList, int totalCombinedPathVerbCnt)=0

virtual void	draw (GrOpFlushState *flushState) const =0

Static Public Member Functions
static PathWedgeTessellator *	Make (SkArenaAlloc *arena, bool infinitySupport, PatchAttribs attribs=PatchAttribs::kNone)

Additional Inherited Members
Public Types inherited from skgpu::ganesh::PathTessellator
using	PatchAttribs = tess::PatchAttribs

Protected Member Functions inherited from skgpu::ganesh::PathTessellator
	PathTessellator (bool infinitySupport, PatchAttribs attribs)

Protected Attributes inherited from skgpu::ganesh::PathTessellator
PatchAttribs	fAttribs

GrVertexChunkArray	fVertexChunkArray

int	fMaxVertexCount = 0

sk_sp< const GrGpuBuffer >	fFixedVertexBuffer

sk_sp< const GrGpuBuffer >	fFixedIndexBuffer

Detailed Description

Definition at line 130 of file PathTessellator.h.

Constructor & Destructor Documentation

◆ PathWedgeTessellator()

skgpu::ganesh::PathWedgeTessellator::PathWedgeTessellator	(	bool	infinitySupport,
		PatchAttribs	attribs = `PatchAttribs::kNone`
	)

inline

Definition at line 138 of file PathTessellator.h.

            : PathTessellator(infinitySupport, attribs) {
        fAttribs |= PatchAttribs::kFanPoint;
    }

Member Function Documentation

◆ draw()

void skgpu::ganesh::PathWedgeTessellator::draw ( GrOpFlushState * flushState ) const

finalvirtual

Implements skgpu::ganesh::PathTessellator.

Definition at line 272 of file PathTessellator.cpp.

                                                                {
    if (!fFixedVertexBuffer || !fFixedIndexBuffer) {
        return;
    }
    for (const GrVertexChunk& chunk : fVertexChunkArray) {
        flushState->bindBuffers(fFixedIndexBuffer, chunk.fBuffer, fFixedVertexBuffer);
        flushState->drawIndexedInstanced(fMaxVertexCount, 0, chunk.fCount, chunk.fBase, 0);
    }
}

◆ Make()

static PathWedgeTessellator * skgpu::ganesh::PathWedgeTessellator::Make	(	SkArenaAlloc *	arena,
		bool	infinitySupport,
		PatchAttribs	attribs = `PatchAttribs::kNone`
	)

inlinestatic

Definition at line 132 of file PathTessellator.h.

                                                                                {
        return arena->make<PathWedgeTessellator>(infinitySupport, attribs);
    }

◆ prepare()

void skgpu::ganesh::PathWedgeTessellator::prepare	(	GrMeshDrawTarget *	target,
		const SkMatrix &	shaderMatrix,
		const PathDrawList &	pathDrawList,
		int	totalCombinedPathVerbCnt
	)

finalvirtual

Implements skgpu::ganesh::PathTessellator.

Definition at line 244 of file PathTessellator.cpp.

                                                                 {
    if (int patchPreallocCount = FixedCountWedges::PreallocCount(totalCombinedPathVerbCnt)) {
        LinearTolerances worstCase;
        WedgeWriter writer{fAttribs, &worstCase, target, &fVertexChunkArray, patchPreallocCount};
        write_wedge_patches(std::move(writer), shaderMatrix, pathDrawList);
        fMaxVertexCount = FixedCountWedges::VertexCount(worstCase);
    }
 
    GrResourceProvider* rp = target->resourceProvider();
 
    SKGPU_DEFINE_STATIC_UNIQUE_KEY(gFixedCountWedgesVertexBufferKey);
 
    fFixedVertexBuffer = rp->findOrMakeStaticBuffer(GrGpuBufferType::kVertex,
                                                    FixedCountWedges::VertexBufferSize(),
                                                    gFixedCountWedgesVertexBufferKey,
                                                    FixedCountWedges::WriteVertexBuffer);
 
    SKGPU_DEFINE_STATIC_UNIQUE_KEY(gFixedCountWedgesIndexBufferKey);
 
    fFixedIndexBuffer = rp->findOrMakeStaticBuffer(GrGpuBufferType::kIndex,
                                                   FixedCountWedges::IndexBufferSize(),
                                                   gFixedCountWedgesIndexBufferKey,
                                                   FixedCountWedges::WriteIndexBuffer);
}

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

third_party/skia/src/gpu/ganesh/tessellate/PathTessellator.h
third_party/skia/src/gpu/ganesh/tessellate/PathTessellator.cpp

Public Member Functions

Static Public Member Functions