[Mesa-dev] [PATCH 28/43] intel/blorp: Don't use ffma directly

Jason Ekstrand jason at jlekstrand.net
Tue May 16 22:45:22 UTC 2017


It isn't supported prior to gen6 and, on gen6+, NIR will fuse the fmul
and fadd into an ffma automatically for us anyway.
---
 src/intel/blorp/blorp_blit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/intel/blorp/blorp_blit.c b/src/intel/blorp/blorp_blit.c
index 23e33de..75fc3f5 100644
--- a/src/intel/blorp/blorp_blit.c
+++ b/src/intel/blorp/blorp_blit.c
@@ -135,7 +135,7 @@ blorp_blit_apply_transform(nir_builder *b, nir_ssa_def *src_pos,
    nir_ssa_def *mul = nir_vec2(b, nir_channel(b, coord_transform, 0),
                                   nir_channel(b, coord_transform, 2));
 
-   return nir_ffma(b, src_pos, mul, offset);
+   return nir_fadd(b, nir_fmul(b, src_pos, mul), offset);
 }
 
 static inline void
-- 
2.5.0.400.gff86faf



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