diff options
| -rw-r--r-- | src/mesa/state_tracker/st_mesa_to_tgsi.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/mesa/state_tracker/st_mesa_to_tgsi.c b/src/mesa/state_tracker/st_mesa_to_tgsi.c index 6df6cdfe03d..35016d80e6b 100644 --- a/src/mesa/state_tracker/st_mesa_to_tgsi.c +++ b/src/mesa/state_tracker/st_mesa_to_tgsi.c @@ -319,10 +319,15 @@ translate_src( struct st_translate *t, if (SrcReg->RelAddr) { src = ureg_src_indirect( src, ureg_src(t->address[0])); - /* If SrcReg->Index was negative, it was set to zero in - * src_register(). Reassign it now. - */ - src.Index = SrcReg->Index; + if (SrcReg->File != PROGRAM_INPUT && + SrcReg->File != PROGRAM_OUTPUT) { + /* If SrcReg->Index was negative, it was set to zero in + * src_register(). Reassign it now. But don't do this + * for input/output regs since they get remapped while + * const buffers don't. + */ + src.Index = SrcReg->Index; + } } return src; |