gallivm/tgsi: handle untyped moves

both mov and ucmp can be used to move variables of any type.
correctly note that about ucmp in the tgsi_info and make
sure gallivm can handle that by correctly casting the untyped
moves.

Signed-off-by: Zack Rusin <[email protected]>
Reviewed-by: Jose Fonseca <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
index 6cc72ff948d..853de09cc6b 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
@@ -1084,6 +1084,15 @@ emit_store_chan(
       break;
    }
 
+   /* If the destination is untyped then the source can be anything,
+    * but LLVM won't like if the types don't match so lets cast
+    * to the correct destination type as expected by LLVM. */
+   if (dtype == TGSI_TYPE_UNTYPED &&
+       !lp_check_vec_type(bld_store->type, LLVMTypeOf(value))) {
+      value = LLVMBuildBitCast(builder, value, bld_store->vec_type,
+                               "src_casted");
+   }
+
    switch( inst->Instruction.Saturate ) {
    case TGSI_SAT_NONE:
       break;