diff options
| author | Andrii Simiklit <asimiklit.work@gmail.com> | 2018-08-15 18:20:32 +0300 |
|---|---|---|
| committer | Dylan Baker <dylan@pnwbakers.com> | 2018-08-30 08:28:36 -0700 |
| commit | 8aba522f49de156b96b250908b3a782933ea954d (patch) | |
| tree | d6ea0ba60155bc0ea5b9fbce66fd1ccfa2252c5d | |
| parent | 7a9b95bd7e22bafd7a94b46c21dd30626fcdaacf (diff) | |
i965/gen6/xfb: handle case where transform feedback is not active
When the SVBI Payload Enable is false I guess the register R1.4
which contains the Maximum Streamed Vertex Buffer Index is filled by zero
and GS stops to write transform feedback when the transform feedback
is not active.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107579
Signed-off-by: Andrii Simiklit <andrii.simiklit@globallogic.com>
Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>
(cherry picked from commit 1b0df8a46020cc88afeaa4decb42a782ab168afb)
| -rw-r--r-- | src/mesa/drivers/dri/i965/genX_state_upload.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c b/src/mesa/drivers/dri/i965/genX_state_upload.c index 1a32c60ae34..d47940b8c84 100644 --- a/src/mesa/drivers/dri/i965/genX_state_upload.c +++ b/src/mesa/drivers/dri/i965/genX_state_upload.c @@ -2696,7 +2696,7 @@ genX(upload_gs_state)(struct brw_context *brw) #if GEN_GEN < 7 gs.SOStatisticsEnable = true; if (gs_prog->info.has_transform_feedback_varyings) - gs.SVBIPayloadEnable = true; + gs.SVBIPayloadEnable = _mesa_is_xfb_active_and_unpaused(ctx); /* GEN6_GS_SPF_MODE and GEN6_GS_VECTOR_MASK_ENABLE are enabled as it * was previously done for gen6. |