diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2008-08-11 15:05:57 -0600 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2008-08-11 15:12:42 -0600 |
| commit | 3a428aca93fe2bab84ddfaf794a396133e802465 (patch) | |
| tree | d2d61288ecb2058b45ce5b8cbad3c61d2f1d47a5 /src/mesa/swrast | |
| parent | ac0d19601caf1f3f86cb30cbafb9c000479e2b37 (diff) | |
mesa: added comment about gl_PointCoord
Diffstat (limited to 'src/mesa/swrast')
| -rw-r--r-- | src/mesa/swrast/s_fragprog.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c index bf7a1de03b..525cf9d724 100644 --- a/src/mesa/swrast/s_fragprog.c +++ b/src/mesa/swrast/s_fragprog.c @@ -129,6 +129,7 @@ init_machine(GLcontext *ctx, struct gl_program_machine *machine, if (ctx->Shader.CurrentProgram) { /* Store front/back facing value in register FOGC.Y */ machine->Attribs[FRAG_ATTRIB_FOGC][col][1] = 1.0 - span->facing; + /* Note FOGC.ZW is gl_PointCoord if drawing a sprite */ } machine->CurElement = col; |