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-rw-r--r--src/compiler/spirv/vtn_alu.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/compiler/spirv/vtn_alu.c b/src/compiler/spirv/vtn_alu.c
index fa4dbfecddd..d0c9e316935 100644
--- a/src/compiler/spirv/vtn_alu.c
+++ b/src/compiler/spirv/vtn_alu.c
@@ -382,6 +382,27 @@ handle_no_contraction(struct vtn_builder *b, struct vtn_value *val, int member,
b->nb.exact = true;
}
+static void
+handle_rounding_mode(struct vtn_builder *b, struct vtn_value *val, int member,
+ const struct vtn_decoration *dec, void *_out_rounding_mode)
+{
+ nir_rounding_mode *out_rounding_mode = _out_rounding_mode;
+ assert(dec->scope == VTN_DEC_DECORATION);
+ if (dec->decoration != SpvDecorationFPRoundingMode)
+ return;
+ switch (dec->literals[0]) {
+ case SpvFPRoundingModeRTE:
+ *out_rounding_mode = nir_rounding_mode_rtne;
+ break;
+ case SpvFPRoundingModeRTZ:
+ *out_rounding_mode = nir_rounding_mode_rtz;
+ break;
+ default:
+ unreachable("Not supported rounding mode");
+ break;
+ }
+}
+
void
vtn_handle_alu(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count)
@@ -571,6 +592,18 @@ vtn_handle_alu(struct vtn_builder *b, SpvOp opcode,
vtn_handle_bitcast(b, val->ssa, src[0]);
break;
+ case SpvOpFConvert: {
+ nir_alu_type src_alu_type = nir_get_nir_type_for_glsl_type(vtn_src[0]->type);
+ nir_alu_type dst_alu_type = nir_get_nir_type_for_glsl_type(type);
+ nir_rounding_mode rounding_mode = nir_rounding_mode_undef;
+
+ vtn_foreach_decoration(b, val, handle_rounding_mode, &rounding_mode);
+ nir_op op = nir_type_conversion_op(src_alu_type, dst_alu_type, rounding_mode);
+
+ val->ssa->def = nir_build_alu(&b->nb, op, src[0], src[1], NULL, NULL);
+ break;
+ }
+
default: {
bool swap;
nir_alu_type src_alu_type = nir_get_nir_type_for_glsl_type(vtn_src[0]->type);