Mesa (master): freedreno: Fix up end range of unaligned UBO loads.

GitLab Mirror gitlab-mirror at kemper.freedesktop.org
Sat Jun 22 00:16:35 UTC 2019


Module: Mesa
Branch: master
Commit: 56842d33d53f3ea76b9359e8ead2ea4487e62dc1
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=56842d33d53f3ea76b9359e8ead2ea4487e62dc1

Author: Eric Anholt <eric at anholt.net>
Date:   Thu Jun  6 14:27:13 2019 -0700

freedreno: Fix up end range of unaligned UBO loads.

We need the constants uploaded to cover the NIR offset plus the size,
not the aligned-down start of our upload range plus the size.  Fixes
mistaken UBO analysis with mat3 loads.

Fixes: 893425a607a6 ("freedreno/ir3: Push UBOs to constant file")
Reviewed-by: Kristian H. Kristensen <hoegsberg at google.com>
Reviewed-by: Rob Clark <robdclark at gmail.com>

---

 src/freedreno/ir3/ir3_nir_analyze_ubo_ranges.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/freedreno/ir3/ir3_nir_analyze_ubo_ranges.c b/src/freedreno/ir3/ir3_nir_analyze_ubo_ranges.c
index aaf962977b3..46216a6f862 100644
--- a/src/freedreno/ir3/ir3_nir_analyze_ubo_ranges.c
+++ b/src/freedreno/ir3/ir3_nir_analyze_ubo_ranges.c
@@ -32,10 +32,11 @@ get_ubo_load_range(nir_intrinsic_instr *instr)
 {
 	struct ir3_ubo_range r;
 
+	const int offset = nir_src_as_uint(instr->src[1]);
 	const int bytes = nir_intrinsic_dest_components(instr) * 4;
 
-	r.start = ROUND_DOWN_TO(nir_src_as_uint(instr->src[1]), 16 * 4);
-	r.end = ALIGN(r.start + bytes, 16 * 4);
+	r.start = ROUND_DOWN_TO(offset, 16 * 4);
+	r.end = ALIGN(offset + bytes, 16 * 4);
 
 	return r;
 }




More information about the mesa-commit mailing list