Lines Matching defs:area
233 /* compute area, oneOverArea and perform backface culling */
235 const GLfloat area = eMaj.dx * eBot.dy - eBot.dx * eMaj.dy;
237 if (IS_INF_OR_NAN(area) || area == 0.0F)
240 if (area * bf * swrast->_BackfaceCullSign < 0.0)
243 oneOverArea = 1.0F / area;
315 * refer to it as ``area'' because it's also proportional to
316 * the pixel area of the triangle.
