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  /external/skia/src/gpu/
GrPathUtils.h 104 // K = (klm[0], klm[1], klm[2])
105 // L = (klm[3], klm[4], klm[5])
106 // M = (klm[6], klm[7], klm[8])
107 void getConicKLM(const SkPoint p[3], const SkScalar weight, SkScalar klm[9])
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GrPathUtils.cpp 328 void GrPathUtils::getConicKLM(const SkPoint p[3], const SkScalar weight, SkScalar klm[9]) {
330 klm[0] = p[2].fY - p[0].fY;
331 klm[1] = p[0].fX - p[2].fX;
332 klm[2] = (p[2].fX - p[0].fX) * p[0].fY - (p[2].fY - p[0].fY) * p[0].fX;
334 klm[3] = w2 * (p[1].fY - p[0].fY);
335 klm[4] = w2 * (p[0].fX - p[1].fX);
336 klm[5] = w2 * (p[1].fX * p[0].fY - p[0].fX * p[1].fY);
338 klm[6] = w2 * (p[2].fY - p[1].fY);
339 klm[7] = w2 * (p[1].fX - p[2].fX);
340 klm[8] = w2 * (p[2].fX * p[1].fY - p[1].fX * p[2].fY)
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  /external/skia/src/gpu/batches/
GrAAHairLinePathRenderer.cpp 530 SkScalar klm[9]; local
532 GrPathUtils::getConicKLM(p, weight, klm);
536 verts[i].fConic.fK = pnt.fX * klm[0] + pnt.fY * klm[1] + klm[2];
537 verts[i].fConic.fL = pnt.fX * klm[3] + pnt.fY * klm[4] + klm[5];
538 verts[i].fConic.fM = pnt.fX * klm[6] + pnt.fY * klm[7] + klm[8]
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