diff options
Diffstat (limited to 'src/mesa/swrast/s_span.c')
| -rw-r--r-- | src/mesa/swrast/s_span.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c index 86ae136562b..3a6e7195b1b 100644 --- a/src/mesa/swrast/s_span.c +++ b/src/mesa/swrast/s_span.c @@ -1053,7 +1053,8 @@ multi_write_rgba_span( GLcontext *ctx, struct sw_span *span ) GLuint bufferBit = fb->_ColorDrawBit[output][i]; /* Set the current read/draw buffer */ swrast->CurrentBufferBit = bufferBit; - (*swrast->Driver.SetBuffer)(ctx, ctx->DrawBuffer, bufferBit); + if (swrast->Driver.SetBuffer) + (*swrast->Driver.SetBuffer)(ctx, ctx->DrawBuffer, bufferBit); #endif /* make copy of incoming colors */ |