diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2006-08-24 19:06:02 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2006-08-24 19:06:02 +0000 |
| commit | 5947f8fd636004aa2f57fb792be0cf737610f2ba (patch) | |
| tree | 0429e4e77f12cbe7822661ba8ad66a46bd6383ae | |
| parent | ce9767f863e7788d4ab0099404abce72399f0b2c (diff) | |
fix fragment.position initialization bug
| -rw-r--r-- | src/mesa/swrast/s_nvfragprog.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/mesa/swrast/s_nvfragprog.c b/src/mesa/swrast/s_nvfragprog.c index fa16a41e28..826e71d45c 100644 --- a/src/mesa/swrast/s_nvfragprog.c +++ b/src/mesa/swrast/s_nvfragprog.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 6.5.1 * - * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -1400,8 +1400,14 @@ init_machine( GLcontext *ctx, struct fp_machine *machine, if (inputsRead & (1 << FRAG_ATTRIB_WPOS)) { GLfloat *wpos = machine->Inputs[FRAG_ATTRIB_WPOS]; ASSERT(span->arrayMask & SPAN_Z); - wpos[0] = (GLfloat) span->x + col; - wpos[1] = (GLfloat) span->y; + if (span->arrayMask & SPAN_XY) { + wpos[0] = (GLfloat) span->array->x[col]; + wpos[1] = (GLfloat) span->array->y[col]; + } + else { + wpos[0] = (GLfloat) span->x + col; + wpos[1] = (GLfloat) span->y; + } wpos[2] = (GLfloat) span->array->z[col] / ctx->DrawBuffer->_DepthMaxF; wpos[3] = span->w + col * span->dwdx; } |