From: Andrii Simiklit <[email protected]> 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 <[email protected]> --- src/mesa/drivers/dri/i965/genX_state_upload.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c b/src/mesa/drivers/dri/i965/genX_state_upload.c index ea5ad55..0f82500 100644 --- a/src/mesa/drivers/dri/i965/genX_state_upload.c +++ b/src/mesa/drivers/dri/i965/genX_state_upload.c @@ -2806,7 +2806,7 @@ 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. -- 2.7.4 _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
