diff options
| author | Brian Paul <[email protected]> | 2001-05-15 21:30:26 +0000 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2001-05-15 21:30:26 +0000 |
| commit | 5071b0812fc73bcba92e2b6fcbad2f53f063fc32 (patch) | |
| tree | d83905130a82d8f6dfc14668f96aa5768a8cb198 /src/mesa/swrast/s_aalinetemp.h | |
| parent | a51f07d5a148705c1c118dece1630972753ca349 (diff) | |
Apply antialiasing coverage factor to alpha after texture application,
not before.
Diffstat (limited to 'src/mesa/swrast/s_aalinetemp.h')
| -rw-r--r-- | src/mesa/swrast/s_aalinetemp.h | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/src/mesa/swrast/s_aalinetemp.h b/src/mesa/swrast/s_aalinetemp.h index 262af3ee3b3..996784dde4a 100644 --- a/src/mesa/swrast/s_aalinetemp.h +++ b/src/mesa/swrast/s_aalinetemp.h @@ -1,4 +1,4 @@ -/* $Id: s_aalinetemp.h,v 1.9 2001/05/10 17:41:41 brianp Exp $ */ +/* $Id: s_aalinetemp.h,v 1.10 2001/05/15 21:30:26 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -42,8 +42,11 @@ NAME(plot)(GLcontext *ctx, const struct LineInfo *line, const GLfloat coverage = compute_coveragef(line, ix, iy); GLdepth z; GLfloat fog; +#ifdef DO_RGBA GLchan red, green, blue, alpha; - GLint frac, indx, index; +#else + GLint index; +#endif GLchan specRed, specGreen, specBlue; GLfloat tex[MAX_TEXTURE_UNITS][4], lambda[MAX_TEXTURE_UNITS]; @@ -68,20 +71,11 @@ NAME(plot)(GLcontext *ctx, const struct LineInfo *line, red = solve_plane_chan(fx, fy, line->rPlane); green = solve_plane_chan(fx, fy, line->gPlane); blue = solve_plane_chan(fx, fy, line->bPlane); - alpha = (GLchan) (solve_plane_chan(fx, fy, line->aPlane) * coverage);; -#else - (void) red; - (void) green; - (void) blue; - (void) alpha; + alpha = solve_plane_chan(fx, fy, line->aPlane); #endif #ifdef DO_INDEX - frac = (GLint) (15.0 * coverage); - indx = (GLint) solve_plane(fx, fy, line->iPlane); - index = (indx & ~0xf) | frac; + index = (GLint) solve_plane(fx, fy, line->iPlane); #else - (void) frac; - (void) indx; (void) index; #endif #ifdef DO_SPEC @@ -123,6 +117,8 @@ NAME(plot)(GLcontext *ctx, const struct LineInfo *line, #endif + PB_COVERAGE(pb, coverage); + #if defined(DO_MULTITEX) #if defined(DO_SPEC) PB_WRITE_MULTITEX_SPEC_PIXEL(pb, ix, iy, z, fog, red, green, blue, alpha, @@ -139,6 +135,7 @@ NAME(plot)(GLcontext *ctx, const struct LineInfo *line, PB_WRITE_CI_PIXEL(pb, ix, iy, z, fog, index); #endif + pb->haveCoverage = GL_TRUE; PB_CHECK_FLUSH(ctx, pb); } |