diff options
Diffstat (limited to 'src/mesa/swrast/s_span.c')
| -rw-r--r-- | src/mesa/swrast/s_span.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index 59e89252a05..a3be9734c3d 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -515,6 +515,7 @@ interpolate_texcoords(GLcontext *ctx, struct sw_span *span) texcoord[i][0] = s * invQ; texcoord[i][1] = t * invQ; texcoord[i][2] = r * invQ; + texcoord[i][3] = q; s += dsdx; t += dtdx; r += drdx; @@ -526,6 +527,7 @@ interpolate_texcoords(GLcontext *ctx, struct sw_span *span) texcoord[i][0] = s * invQ; texcoord[i][1] = t * invQ; texcoord[i][2] = r * invQ; + texcoord[i][3] = q; s += dsdx; t += dtdx; r += drdx; |