For timestamp queries, we just write a single value to a BO. The
natural place to write that is element 0, so we should do that.
Previously, we wrote it into element 1 (the second slot) leaving
element 0 filled with garbage.
Signed-off-by: Kenneth Graunke <kenn...@whitecape.org>
---
src/mesa/drivers/dri/i965/brw_queryobj.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_queryobj.c
b/src/mesa/drivers/dri/i965/brw_queryobj.c
index 0310479..c6ed8e2 100644
--- a/src/mesa/drivers/dri/i965/brw_queryobj.c
+++ b/src/mesa/drivers/dri/i965/brw_queryobj.c
@@ -179,12 +179,11 @@ brw_queryobj_get_results(struct gl_context *ctx,
* The low 32 bits rolls over in ~343 seconds. Our 36-bit result
* rolls over every ~69 seconds.
*/
- query->Base.Result = 80 * (results[1] & 0xffffffff);
+ query->Base.Result = 80 * (results[0] & 0xffffffff);
query->Base.Result &= (1ull << 36) - 1;
} else {
- query->Base.Result = 1000 * (results[1] >> 32);
+ query->Base.Result = 1000 * (results[0] >> 32);
}
-
break;
case GL_SAMPLES_PASSED_ARB:
@@ -479,7 +478,7 @@ brw_query_counter(struct gl_context *ctx, struct
gl_query_object *q)
drm_intel_bo_unreference(query->bo);
query->bo = drm_intel_bo_alloc(intel->bufmgr, "timestamp query", 4096,
4096);
- write_timestamp(intel, query->bo, 1);
+ write_timestamp(intel, query->bo, 0);
}
static uint64_t
--
1.8.1.4
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