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authorJason Ekstrand <[email protected]>2014-12-12 20:37:04 -0800
committerJason Ekstrand <[email protected]>2015-01-15 07:20:21 -0800
commitb3fd098e7daa491637d66d03366b67c989937a1f (patch)
tree000f2453d4fe1d914008a484811c1c672589d3c8 /src/glsl/nir/nir_lower_variables.c
parent295faf9462cba88250d8581f65611996eba5e389 (diff)
nir: Make bcsel a fully vector operation
Previously, the condition was a scalar that applied to all components simultaneously. As of this commit, the condition is a vector and each component is switched seperately. Reviewed-by: Connor Abbott <[email protected]>
Diffstat (limited to 'src/glsl/nir/nir_lower_variables.c')
-rw-r--r--src/glsl/nir/nir_lower_variables.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/glsl/nir/nir_lower_variables.c b/src/glsl/nir/nir_lower_variables.c
index b8961f85ce8..64682056ddc 100644
--- a/src/glsl/nir/nir_lower_variables.c
+++ b/src/glsl/nir/nir_lower_variables.c
@@ -836,6 +836,7 @@ lower_deref_to_ssa_block(nir_block *block, void *void_state)
mov = nir_alu_instr_create(state->mem_ctx, nir_op_bcsel);
mov->src[0].src = nir_src_copy(intrin->predicate,
state->mem_ctx);
+ /* Splat the condition to all channels */
memset(mov->src[0].swizzle, 0, sizeof mov->src[0].swizzle);
mov->src[1].src.is_ssa = true;