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authorJason Ekstrand <[email protected]>2015-09-22 21:11:23 -0700
committerJason Ekstrand <[email protected]>2015-09-23 10:12:39 -0700
commit65e80ce5b565953ffb07586790eeea51199ca9cf (patch)
treebfc313f99fe917131eed6da5e28b8ccb3c6fcb5e /src/glsl/nir
parentaae0c88797e7e44c55873b3e97cceed5c6e6cded (diff)
nir/lower_vec_to_movs: Properly handle source modifiers on vecN ops
I don't know of any piglit tests that are currently broken. However, there is nothing stopping a vecN instruction from getting source modifiers and lower_vec_to_movs is run after we lower to source modifiers. Reviewed-by: Eduardo Lima Mitev <[email protected]> Reviewed-by: Matt Turner <[email protected]>
Diffstat (limited to 'src/glsl/nir')
-rw-r--r--src/glsl/nir/nir_lower_vec_to_movs.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/glsl/nir/nir_lower_vec_to_movs.c b/src/glsl/nir/nir_lower_vec_to_movs.c
index 622e59c688e..287f2bf3d8b 100644
--- a/src/glsl/nir/nir_lower_vec_to_movs.c
+++ b/src/glsl/nir/nir_lower_vec_to_movs.c
@@ -68,12 +68,16 @@ insert_mov(nir_alu_instr *vec, unsigned start_idx, nir_shader *shader)
mov->dest.write_mask = (1u << start_idx);
mov->src[0].swizzle[start_idx] = vec->src[start_idx].swizzle[0];
+ mov->src[0].negate = vec->src[start_idx].negate;
+ mov->src[0].abs = vec->src[start_idx].abs;
for (unsigned i = start_idx + 1; i < 4; i++) {
if (!(vec->dest.write_mask & (1 << i)))
continue;
- if (nir_srcs_equal(vec->src[i].src, vec->src[start_idx].src)) {
+ if (nir_srcs_equal(vec->src[i].src, vec->src[start_idx].src) &&
+ vec->src[i].negate == vec->src[start_idx].negate &&
+ vec->src[i].abs == vec->src[start_idx].abs) {
mov->dest.write_mask |= (1 << i);
mov->src[0].swizzle[i] = vec->src[i].swizzle[0];
}