diff options
| author | Keith Whitwell <keith@tungstengraphics.com> | 2001-04-28 08:39:17 +0000 |
|---|---|---|
| committer | Keith Whitwell <keith@tungstengraphics.com> | 2001-04-28 08:39:17 +0000 |
| commit | 51c0c71811508b6658e0d5dcff8426b618322a73 (patch) | |
| tree | 05ccb4905625b200ed1a5de00acb2295e1babec9 /src/mesa/tnl/t_vb_cliptmp.h | |
| parent | 27b0758a940f19ce344f21b8db708d91933ce06d (diff) | |
Support for floating point color representation in tnl module.
Diffstat (limited to 'src/mesa/tnl/t_vb_cliptmp.h')
| -rw-r--r-- | src/mesa/tnl/t_vb_cliptmp.h | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/src/mesa/tnl/t_vb_cliptmp.h b/src/mesa/tnl/t_vb_cliptmp.h index 6ecd1c3c60..5c64d96489 100644 --- a/src/mesa/tnl/t_vb_cliptmp.h +++ b/src/mesa/tnl/t_vb_cliptmp.h @@ -1,4 +1,4 @@ -/* $Id: t_vb_cliptmp.h,v 1.10 2001/03/19 02:25:37 keithw Exp $ */ +/* $Id: t_vb_cliptmp.h,v 1.11 2001/04/28 08:39:18 keithw Exp $ */ /* * Mesa 3-D graphics library @@ -58,13 +58,13 @@ do { \ * know dp != dpPrev from DIFFERENT_SIGNS, above. \ */ \ GLfloat t = dp / (dp - dpPrev); \ - LINTERP_4F( t, coord, newvert, idx, idxPrev, SIZE ); \ + INTERP_4F( t, coord[newvert], coord[idx], coord[idxPrev]); \ interp( ctx, t, newvert, idx, idxPrev, GL_TRUE ); \ } else { \ /* Coming back in. \ */ \ GLfloat t = dpPrev / (dpPrev - dp); \ - LINTERP_4F( t, coord, newvert, idxPrev, idx, SIZE ); \ + INTERP_4F( t, coord[newvert], coord[idxPrev], coord[idx]); \ interp( ctx, t, newvert, idxPrev, idx, GL_FALSE ); \ } \ } \ @@ -86,32 +86,32 @@ do { \ } while (0) -#define LINE_CLIP(PLANE, A, B, C, D ) \ -do { \ - if (mask & PLANE) { \ - GLfloat dpI = CLIP_DOTPROD( ii, A, B, C, D ); \ - GLfloat dpJ = CLIP_DOTPROD( jj, A, B, C, D ); \ - \ - if (DIFFERENT_SIGNS(dpI, dpJ)) { \ - GLuint newvert = VB->LastClipped++; \ - VB->ClipMask[newvert] = 0; \ - if (NEGATIVE(dpJ)) { \ - GLfloat t = dpI / (dpI - dpJ); \ - VB->ClipMask[jj] |= PLANE; \ - LINTERP_4F( t, coord, newvert, ii, jj, SIZE ); \ - interp( ctx, t, newvert, ii, jj, GL_FALSE ); \ - jj = newvert; \ - } else { \ - GLfloat t = dpJ / (dpJ - dpI); \ - VB->ClipMask[ii] |= PLANE; \ - LINTERP_4F( t, coord, newvert, jj, ii, SIZE ); \ - interp( ctx, t, newvert, jj, ii, GL_FALSE ); \ - ii = newvert; \ - } \ - } \ - else if (NEGATIVE(dpI)) \ - return; \ - } \ +#define LINE_CLIP(PLANE, A, B, C, D ) \ +do { \ + if (mask & PLANE) { \ + GLfloat dpI = CLIP_DOTPROD( ii, A, B, C, D ); \ + GLfloat dpJ = CLIP_DOTPROD( jj, A, B, C, D ); \ + \ + if (DIFFERENT_SIGNS(dpI, dpJ)) { \ + GLuint newvert = VB->LastClipped++; \ + VB->ClipMask[newvert] = 0; \ + if (NEGATIVE(dpJ)) { \ + GLfloat t = dpI / (dpI - dpJ); \ + VB->ClipMask[jj] |= PLANE; \ + INTERP_4F( t, coord[newvert], coord[ii], coord[jj] ); \ + interp( ctx, t, newvert, ii, jj, GL_FALSE ); \ + jj = newvert; \ + } else { \ + GLfloat t = dpJ / (dpJ - dpI); \ + VB->ClipMask[ii] |= PLANE; \ + INTERP_4F( t, coord[newvert], coord[jj], coord[ii] ); \ + interp( ctx, t, newvert, jj, ii, GL_FALSE ); \ + ii = newvert; \ + } \ + } \ + else if (NEGATIVE(dpI)) \ + return; \ + } \ } while (0) |