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r600g,radeonsi: don't add streamout.num_dw_for_end twice

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It's already added in need_cs_space.

Also don't calculate anything if there are no buffers.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák 2014-03-09 22:10:27 +01:00
parent 4f1f32306a
commit 958ef47a6d
1 changed files with 4 additions and 2 deletions
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6
src/gallium/drivers/radeon/r600_streamout.c
View file

@ -79,6 +79,9 @@ void r600_streamout_buffers_dirty(struct r600_common_context *rctx)
unsigned num_bufs_appended = util_bitcount(rctx->streamout.enabled_mask &
rctx->streamout.append_bitmask);
if (!num_bufs)
return;
rctx->streamout.num_dw_for_end =
12 + /* flush_vgt_streamout */
num_bufs * 8 + /* STRMOUT_BUFFER_UPDATE */
@ -99,8 +102,7 @@ void r600_streamout_buffers_dirty(struct r600_common_context *rctx)
begin->num_dw +=
num_bufs_appended * 8 + /* STRMOUT_BUFFER_UPDATE */
(num_bufs - num_bufs_appended) * 6 + /* STRMOUT_BUFFER_UPDATE */
(rctx->family > CHIP_R600 && rctx->family < CHIP_RS780 ? 2 : 0) + /* SURFACE_BASE_UPDATE */
rctx->streamout.num_dw_for_end;
(rctx->family > CHIP_R600 && rctx->family < CHIP_RS780 ? 2 : 0); /* SURFACE_BASE_UPDATE */
begin->dirty = true;
}