diff options
| author | Iago Toral Quiroga <itoral@igalia.com> | 2014-07-09 16:28:30 +0200 |
|---|---|---|
| committer | Iago Toral Quiroga <itoral@igalia.com> | 2014-09-19 15:01:15 +0200 |
| commit | 2c85132e511bbef9a0965c69848981b1bffb5bad (patch) | |
| tree | 00d07ecdbd5e3cdc70d98d6f669d69b75ca0da1b /src/mesa/drivers/dri/i965/brw_defines.h | |
| parent | d0bdd4ce983ddd52f9f4b70dced4e471c60a130c (diff) | |
i965/gen6/gs: Implement GS_OPCODE_URB_WRITE_ALLOCATE.
Gen6 geometry shaders need to allocate URB handles for each new vertex they
emit after the first (the URB handle for the first vertex is obtained via the
FF_SYNC message).
This opcode adds the URB allocation mechanism to regular URB writes.
Acked-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_defines.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_defines.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h index 27a513ac58d..0b5735cc02e 100644 --- a/src/mesa/drivers/dri/i965/brw_defines.h +++ b/src/mesa/drivers/dri/i965/brw_defines.h @@ -941,6 +941,14 @@ enum opcode { GS_OPCODE_URB_WRITE, /** + * Write geometry shader output data to the URB and request a new URB + * handle (gen6). + * + * This opcode doesn't do an implied move from R0 to the first MRF. + */ + GS_OPCODE_URB_WRITE_ALLOCATE, + + /** * Terminate the geometry shader thread by doing an empty URB write. * * This opcode doesn't do an implied move from R0 to the first MRF. This |