diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2002-03-16 18:02:07 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2002-03-16 18:02:07 +0000 |
| commit | 31f12f504e61cb2ad65b8890a68eb7154edcb64b (patch) | |
| tree | b053c091613eabf44359e7dfa4e542f3bc1ebaae /src/mesa/swrast/s_aatritemp.h | |
| parent | bc6b60c4ff81c4d677251e4c7262c0df26cda6a6 (diff) | |
New mipmap lambda calculation. Previously, trilinear filtering could
result in _very_ blurry textures. Still need to do some optimization
of the new code in s_span.c
Diffstat (limited to 'src/mesa/swrast/s_aatritemp.h')
| -rw-r--r-- | src/mesa/swrast/s_aatritemp.h | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/src/mesa/swrast/s_aatritemp.h b/src/mesa/swrast/s_aatritemp.h index 90b8fe74e3..2fd59b2323 100644 --- a/src/mesa/swrast/s_aatritemp.h +++ b/src/mesa/swrast/s_aatritemp.h @@ -1,4 +1,4 @@ -/* $Id: s_aatritemp.h,v 1.26 2002/01/28 03:42:28 brianp Exp $ */ +/* $Id: s_aatritemp.h,v 1.27 2002/03/16 18:02:07 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -76,10 +76,10 @@ GLfloat sPlane[4], tPlane[4], uPlane[4], vPlane[4]; GLfloat texWidth, texHeight; #elif defined(DO_MULTITEX) - GLfloat sPlane[MAX_TEXTURE_UNITS][4]; - GLfloat tPlane[MAX_TEXTURE_UNITS][4]; - GLfloat uPlane[MAX_TEXTURE_UNITS][4]; - GLfloat vPlane[MAX_TEXTURE_UNITS][4]; + GLfloat sPlane[MAX_TEXTURE_UNITS][4]; /* texture S */ + GLfloat tPlane[MAX_TEXTURE_UNITS][4]; /* texture T */ + GLfloat uPlane[MAX_TEXTURE_UNITS][4]; /* texture R */ + GLfloat vPlane[MAX_TEXTURE_UNITS][4]; /* texture Q */ GLfloat texWidth[MAX_TEXTURE_UNITS], texHeight[MAX_TEXTURE_UNITS]; #endif GLfloat bf = SWRAST_CONTEXT(ctx)->_backface_sign; @@ -316,7 +316,8 @@ span.texcoords[0][count][0] = solve_plane(cx, cy, sPlane) * invQ; span.texcoords[0][count][1] = solve_plane(cx, cy, tPlane) * invQ; span.texcoords[0][count][2] = solve_plane(cx, cy, uPlane) * invQ; - span.lambda[0][count] = compute_lambda(sPlane, tPlane, invQ, + span.lambda[0][count] = compute_lambda(sPlane, tPlane, vPlane, + cx, cy, invQ, texWidth, texHeight); } #elif defined(DO_MULTITEX) @@ -329,7 +330,8 @@ span.texcoords[unit][count][1] = solve_plane(cx, cy, tPlane[unit]) * invQ; span.texcoords[unit][count][2] = solve_plane(cx, cy, uPlane[unit]) * invQ; span.lambda[unit][count] = compute_lambda(sPlane[unit], - tPlane[unit], invQ, texWidth[unit], texHeight[unit]); + tPlane[unit], vPlane[unit], cx, cy, invQ, + texWidth[unit], texHeight[unit]); } } } @@ -419,8 +421,8 @@ span.texcoords[0][ix][0] = solve_plane(cx, cy, sPlane) * invQ; span.texcoords[0][ix][1] = solve_plane(cx, cy, tPlane) * invQ; span.texcoords[0][ix][2] = solve_plane(cx, cy, uPlane) * invQ; - span.lambda[0][ix] = compute_lambda(sPlane, tPlane, invQ, - texWidth, texHeight); + span.lambda[0][ix] = compute_lambda(sPlane, tPlane, vPlane, + cx, cy, invQ, texWidth, texHeight); } #elif defined(DO_MULTITEX) { @@ -433,7 +435,8 @@ span.texcoords[unit][ix][2] = solve_plane(cx, cy, uPlane[unit]) * invQ; span.lambda[unit][ix] = compute_lambda(sPlane[unit], tPlane[unit], - invQ, + vPlane[unit], + cx, cy, invQ, texWidth[unit], texHeight[unit]); } |