Cross Reference: /external/mesa3d/src/mesa/swrast/s

Lines Matching refs:GLfixed
67  * This code uses fixed point arithmetic (the GLfixed type) to iterate
70  * GLfixed and the value of SUB_PIXEL_BITS has a direct bearing on the
76  * GLfixed to walk the edge without error.  If the maximum viewport
79  * Historically, Mesa has used 11 fractional bits in GLfixed, snaps
84  * fractional bits in GLfixed.  Unfortunately, there may be some issues
100    GLfixed endVal = span.CHANNEL + (LEN) * span.CHANNELSTEP;	\
120       GLfixed fdxdy;	/* dx/dy in fixed-point */
122       GLfixed fsx;	/* first sample point x coord */
123       GLfixed fsy;
124       GLfixed fx0;	/* fixed pt X of lower endpoint */
140    GLfixed vMin_fx, vMin_fy, vMid_fx, vMid_fy, vMax_fx, vMax_fy;
173       const GLfixed fy0 = FloatToFixed(v0->attrib[FRAG_ATTRIB_WPOS][1] - 0.5F) & snapMask;
174       const GLfixed fy1 = FloatToFixed(v1->attrib[FRAG_ATTRIB_WPOS][1] - 0.5F) & snapMask;
175       const GLfixed fy2 = FloatToFixed(v2->attrib[FRAG_ATTRIB_WPOS][1] - 0.5F) & snapMask;
258          eMaj.fsx = eMaj.fx0 + (GLfixed) (eMaj.adjy * eMaj.dxdy);
271          eTop.fsx = eTop.fx0 + (GLfixed) (eTop.adjy * eTop.dxdy);
281          eBot.fsx = eBot.fx0 + (GLfixed) (eBot.adjy * eBot.dxdy);
490          GLfixed fxLeftEdge = 0, fxRightEdge = 0;
491          GLfixed fdxLeftEdge = 0, fdxRightEdge = 0;
492          GLfixed fError = 0, fdError = 0;
505          GLfixed fdzOuter = 0, fdzInner;
516          GLfixed sLeft=0, dsOuter=0, dsInner;
517          GLfixed tLeft=0, dtOuter=0, dtInner;
569                const GLfixed fsy = eLeft->fsy;
570                const GLfixed fsx = eLeft->fsx;  /* no fractional part */
571                const GLfixed fx = FixedCeil(fsx);  /* no fractional part */
572                const GLfixed adjx = (GLfixed) (fx - eLeft->fx0); /* SCALED! */
573                const GLfixed adjy = (GLfixed) eLeft->adjy;      /* SCALED! */
576                GLfixed fdxOuter;
619                         zLeft = (GLfixed) tmp;
682                   sLeft = (GLfixed)(s0 * FIXED_SCALE + span.attrStepX[FRAG_ATTRIB_TEX0][0] * adjx
688                   tLeft = (GLfixed)(t0 * FIXED_SCALE + span.attrStepX[FRAG_ATTRIB_TEX0][1] * adjx