diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_eu_validate.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_eu_validate.c b/src/mesa/drivers/dri/i965/brw_eu_validate.c index 8c2eb99f8e5..9648f0d0732 100644 --- a/src/mesa/drivers/dri/i965/brw_eu_validate.c +++ b/src/mesa/drivers/dri/i965/brw_eu_validate.c @@ -96,7 +96,14 @@ num_sources_from_inst(const struct gen_device_info *devinfo, } else if (devinfo->gen < 6 && brw_inst_opcode(devinfo, inst) == BRW_OPCODE_SEND) { if (brw_inst_sfid(devinfo, inst) == BRW_SFID_MATH) { - math_function = brw_inst_math_msg_function(devinfo, inst); + /* src1 must be a descriptor (including the information to determine + * that the SEND is doing an extended math operation), but src0 can + * actually be null since it serves as the source of the implicit GRF + * to MRF move. + * + * If we stop using that functionality, we'll have to revisit this. + */ + return 2; } else { /* Send instructions are allowed to have null sources since they use * the base_mrf field to specify which message register source. |