[Mesa-dev] [PATCH] nir: add helper to get # of dest components

Rob Clark robdclark at gmail.com
Mon Apr 27 12:05:21 PDT 2015


From: Rob Clark <robclark at freedesktop.org>

I need something like this in a couple places.  And didn't see anything
like it anywhere.

Signed-off-by: Rob Clark <robclark at freedesktop.org>
---
 src/glsl/nir/nir.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/glsl/nir/nir.h b/src/glsl/nir/nir.h
index 98b0ec3..3a96d56 100644
--- a/src/glsl/nir/nir.h
+++ b/src/glsl/nir/nir.h
@@ -506,6 +506,15 @@ typedef struct {
    bool is_ssa;
 } nir_dest;
 
+static inline unsigned
+nir_dest_num_components(nir_dest *dest)
+{
+   if (dest->is_ssa)
+      return dest->ssa.num_components;
+   else
+      return dest->reg.reg->num_components;
+}
+
 static inline nir_src
 nir_src_for_ssa(nir_ssa_def *def)
 {
-- 
2.3.5



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