From: Marek Olšák <marek.olsak@amd.com>
Date: Tue, 21 Jun 2016 13:49:25 +0000 (+0200)
Subject: gallium/radeon: add flag R600_QUERY_HW_FLAG_BEGIN_RESUMES
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e607a6be2bd2507f704dd8f10013fe96f4b1b8da;p=mesa.git

gallium/radeon: add flag R600_QUERY_HW_FLAG_BEGIN_RESUMES

Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---

diff --git a/src/gallium/drivers/radeon/r600_query.c b/src/gallium/drivers/radeon/r600_query.c
index d4d7292bcea..e6fda0c3bd6 100644
--- a/src/gallium/drivers/radeon/r600_query.c
+++ b/src/gallium/drivers/radeon/r600_query.c
@@ -763,7 +763,8 @@ bool r600_query_hw_begin(struct r600_common_context *rctx,
 		return false;
 	}
 
-	r600_query_hw_reset_buffers(rctx, query);
+	if (!(query->flags & R600_QUERY_HW_FLAG_BEGIN_RESUMES))
+		r600_query_hw_reset_buffers(rctx, query);
 
 	r600_query_hw_emit_start(rctx, query);
 	if (!query->buffer.buf)
diff --git a/src/gallium/drivers/radeon/r600_query.h b/src/gallium/drivers/radeon/r600_query.h
index e99a9119ee9..1a0ac807844 100644
--- a/src/gallium/drivers/radeon/r600_query.h
+++ b/src/gallium/drivers/radeon/r600_query.h
@@ -92,6 +92,8 @@ struct r600_query {
 enum {
 	R600_QUERY_HW_FLAG_NO_START = (1 << 0),
 	R600_QUERY_HW_FLAG_PREDICATE = (1 << 1),
+	/* whether begin_query doesn't clear the result */
+	R600_QUERY_HW_FLAG_BEGIN_RESUMES = (1 << 2),
 };
 
 struct r600_query_hw_ops {