diff options
| author | Paul Berry <stereotype441@gmail.com> | 2011-08-23 13:49:19 -0700 |
|---|---|---|
| committer | Paul Berry <stereotype441@gmail.com> | 2011-09-06 11:04:29 -0700 |
| commit | 39fc725b0c81db8d76cb490488cd95de5c4d7a79 (patch) | |
| tree | 5e10b9be2705a6cc3ce3797924670409a8b34710 | |
| parent | f3ecc90730c1637b82e7a8eb8bef6d9a7a0531e8 (diff) | |
i965: SF: Move the computation of urb_entry_read_offset.
This patch moves the computation of the SF URB entry read offset from
upload_sf_unit() to its own function, so that it can be re-used when
creating the gen4-5 SF program.
Reviewed-by: Eric Anholt <eric@anholt.net>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_sf.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_sf_state.c | 20 |
2 files changed, 17 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_sf.h b/src/mesa/drivers/dri/i965/brw_sf.h index be32085c697..102df3302ac 100644 --- a/src/mesa/drivers/dri/i965/brw_sf.h +++ b/src/mesa/drivers/dri/i965/brw_sf.h @@ -104,5 +104,6 @@ void brw_emit_line_setup( struct brw_sf_compile *c, GLboolean allocate ); void brw_emit_point_setup( struct brw_sf_compile *c, GLboolean allocate ); void brw_emit_point_sprite_setup( struct brw_sf_compile *c, GLboolean allocate ); void brw_emit_anyprim_setup( struct brw_sf_compile *c ); +int brw_sf_compute_urb_entry_read_offset(struct intel_context *intel); #endif diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c index 9201be7caab..f193d94066e 100644 --- a/src/mesa/drivers/dri/i965/brw_sf_state.c +++ b/src/mesa/drivers/dri/i965/brw_sf_state.c @@ -35,6 +35,7 @@ #include "brw_state.h" #include "brw_defines.h" #include "main/macros.h" +#include "brw_sf.h" static void upload_sf_vp(struct brw_context *brw) { @@ -121,6 +122,19 @@ const struct brw_tracked_state brw_sf_vp = { .prepare = upload_sf_vp }; +/** + * Compute the offset within the URB (expressed in 256-bit register + * increments) that should be used to read the VUE in th efragment shader. + */ +int +brw_sf_compute_urb_entry_read_offset(struct intel_context *intel) +{ + if (intel->gen == 5) + return 3; + else + return 1; +} + static void upload_sf_unit( struct brw_context *brw ) { struct intel_context *intel = &brw->intel; @@ -148,10 +162,8 @@ static void upload_sf_unit( struct brw_context *brw ) sf->thread3.dispatch_grf_start_reg = 3; - if (intel->gen == 5) - sf->thread3.urb_entry_read_offset = 3; - else - sf->thread3.urb_entry_read_offset = 1; + sf->thread3.urb_entry_read_offset = + brw_sf_compute_urb_entry_read_offset(intel); /* CACHE_NEW_SF_PROG */ sf->thread3.urb_entry_read_length = brw->sf.prog_data->urb_read_length; |