C++ (Cpp) GrGpu::createInstancedIndexBuffer示例

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));
}

示例#2

显示文件

文件： GrGpu.cpp 项目： WangCrystal/skia

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;
}