diff options
| author | Eric Anholt <[email protected]> | 2011-07-08 15:30:48 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2011-07-09 07:45:48 -0700 |
| commit | d03fdc4cdefdfdc5b59547945704c6037a5061c7 (patch) | |
| tree | 4a5d4f9cd570539746def700b99675e4c11fa5e6 | |
| parent | 57b57f6d1c3689a3a44222cb169bfd3e3142a68d (diff) | |
i965/gen4: Fix GPU hangs since the program streaming change.
This was tricky. We were doing a use-before-initialize of
grf_reg_count, but the value usually got overwritten anyway -- when we
didn't have to do a relocation (typical), or on gen5 when we didn't
have relocations at all.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=38771
Reviewed-by: Kenneth Graunke <[email protected]>
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_vs_state.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_vs_state.c b/src/mesa/drivers/dri/i965/brw_vs_state.c index d5010a21e80..179ca199b45 100644 --- a/src/mesa/drivers/dri/i965/brw_vs_state.c +++ b/src/mesa/drivers/dri/i965/brw_vs_state.c @@ -47,6 +47,7 @@ brw_prepare_vs_unit(struct brw_context *brw) memset(vs, 0, sizeof(*vs)); /* BRW_NEW_PROGRAM_CACHE | CACHE_NEW_VS_PROG */ + vs->thread0.grf_reg_count = ALIGN(brw->vs.prog_data->total_grf, 16) / 16 - 1; vs->thread0.kernel_start_pointer = brw_program_reloc(brw, brw->vs.state_offset + @@ -54,7 +55,6 @@ brw_prepare_vs_unit(struct brw_context *brw) brw->vs.prog_offset + (vs->thread0.grf_reg_count << 1)) >> 6; - vs->thread0.grf_reg_count = ALIGN(brw->vs.prog_data->total_grf, 16) / 16 - 1; vs->thread1.floating_point_mode = BRW_FLOATING_POINT_NON_IEEE_754; /* Choosing multiple program flow means that we may get 2-vertex threads, * which will have the channel mask for dwords 4-7 enabled in the thread, |