From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Thu, 8 Aug 2019 14:46:54 +0000 (-0700)
Subject: panfrost: Flush when using transform feedback
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9b2514d6c6e3b5cfa12e347b0aa100406338d26f;p=mesa.git

panfrost: Flush when using transform feedback

This is a huge hack to workaround incomplete BO flushing logic, but it's
enough for the dEQP transform feedback tests, and doing the resource
management to get this right is out-of-scope for this patch series.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
---

diff --git a/src/gallium/drivers/panfrost/pan_context.c b/src/gallium/drivers/panfrost/pan_context.c
index 661c1474cd5..7c4c0f76984 100644
--- a/src/gallium/drivers/panfrost/pan_context.c
+++ b/src/gallium/drivers/panfrost/pan_context.c
@@ -2629,6 +2629,7 @@ panfrost_get_query_result(struct pipe_context *pipe,
 
         case PIPE_QUERY_PRIMITIVES_GENERATED:
         case PIPE_QUERY_PRIMITIVES_EMITTED:
+                panfrost_flush(pipe, NULL, PIPE_FLUSH_END_OF_FRAME);
                 vresult->u64 = query->end - query->start;
                 break;