diff options
| author | Brian Paul <[email protected]> | 2001-05-09 17:21:51 +0000 |
|---|---|---|
| committer | Brian Paul <[email protected]> | 2001-05-09 17:21:51 +0000 |
| commit | 78023e980891954ab1cd08a25dc3bac521220098 (patch) | |
| tree | c214abe4c9784ac38eb8825f7a4449ef83c1bc86 | |
| parent | 7b9ff48d022f43e129ad94e7ca9783a0b007a2c4 (diff) | |
don't call _mesa_win_fog_coords_from_z() if fog is disabled, fixes FP exception
| -rw-r--r-- | src/mesa/swrast/s_bitmap.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/swrast/s_bitmap.c b/src/mesa/swrast/s_bitmap.c index d91319c01b8..aee5f7a0885 100644 --- a/src/mesa/swrast/s_bitmap.c +++ b/src/mesa/swrast/s_bitmap.c @@ -1,4 +1,4 @@ -/* $Id: s_bitmap.c,v 1.8 2001/05/03 22:13:32 brianp Exp $ */ +/* $Id: s_bitmap.c,v 1.9 2001/05/09 17:21:51 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -74,7 +74,10 @@ _swrast_Bitmap( GLcontext *ctx, GLint px, GLint py, fragZ = (GLdepth) ( ctx->Current.RasterPos[2] * ctx->DepthMaxF); - _mesa_win_fog_coords_from_z( ctx, 1, &fragZ, &fogCoord ); + if (ctx->Fog.Enabled) + _mesa_win_fog_coords_from_z( ctx, 1, &fragZ, &fogCoord ); + else + fogCoord = 0.0; for (row=0; row<height; row++) { const GLubyte *src = (const GLubyte *) _mesa_image_address( unpack, |