Signed-off-by: Samuel Iglesias Gonsálvez <sigles...@igalia.com>
---
src/compiler/spirv/vtn_glsl450.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/src/compiler/spirv/vtn_glsl450.c b/src/compiler/spirv/vtn_glsl450.c
index e9b1b0b8fec..8128ed346af 100644
--- a/src/compiler/spirv/vtn_glsl450.c
+++ b/src/compiler/spirv/vtn_glsl450.c
@@ -616,9 +616,20 @@ handle_glsl450_alu(struct vtn_builder *b, enum GLSLstd450
entrypoint,
case GLSLstd450Modf: {
nir_ssa_def *sign = nir_fsign(nb, src[0]);
nir_ssa_def *abs = nir_fabs(nb, src[0]);
- val->ssa->def = nir_fmul(nb, sign, nir_ffract(nb, abs));
- nir_store_deref(nb, vtn_nir_deref(b, w[6]),
- nir_fmul(nb, sign, nir_ffloor(nb, abs)), 0xf);
+
+ if (nir_is_rounding_mode_rtne(execution_mode,
glsl_get_bit_size(dest_type))) {
+ val->ssa->def = nir_fmul_rtne(nb, sign, nir_ffract(nb, abs));
+ nir_store_deref(nb, vtn_nir_deref(b, w[6]),
+ nir_fmul_rtne(nb, sign, nir_ffloor(nb, abs)), 0xf);
+ } else if (nir_is_rounding_mode_rtz(execution_mode,
glsl_get_bit_size(dest_type))) {
+ val->ssa->def = nir_fmul_rtz(nb, sign, nir_ffract(nb, abs));
+ nir_store_deref(nb, vtn_nir_deref(b, w[6]),
+ nir_fmul_rtz(nb, sign, nir_ffloor(nb, abs)), 0xf);
+ } else {
+ val->ssa->def = nir_fmul(nb, sign, nir_ffract(nb, abs));
+ nir_store_deref(nb, vtn_nir_deref(b, w[6]),
+ nir_fmul(nb, sign, nir_ffloor(nb, abs)), 0xf);
+ }
return;
}
--
2.19.1
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