GrPathRenderer* GrAAHairLinePathRenderer::Create(GrContext* context) {
GrGpu* gpu = context->getGpu();
GrIndexBuffer* qIdxBuf = gpu->createInstancedIndexBuffer(kQuadIdxBufPattern,
kIdxsPerQuad,
kQuadsNumInIdxBuffer,
kQuadNumVertices);
SkAutoTUnref<GrIndexBuffer> qIdxBuffer(qIdxBuf);
GrIndexBuffer* lIdxBuf = gpu->createInstancedIndexBuffer(kLineSegIdxBufPattern,
kIdxsPerLineSeg,
kLineSegsNumInIdxBuffer,
kLineSegNumVertices);
SkAutoTUnref<GrIndexBuffer> lIdxBuffer(lIdxBuf);
return SkNEW_ARGS(GrAAHairLinePathRenderer,
(context, lIdxBuf, qIdxBuf));
}
const GrIndexBuffer* GrGpu::getQuadIndexBuffer() const {
if (NULL == fQuadIndexBuffer || fQuadIndexBuffer->wasDestroyed()) {
SkSafeUnref(fQuadIndexBuffer);
GrGpu* me = const_cast<GrGpu*>(this);
fQuadIndexBuffer = me->createInstancedIndexBuffer(gQuadIndexPattern,
6,
MAX_QUADS,
4);
}
return fQuadIndexBuffer;
}