Giovanni Mascellani : vkd3d-shader/ir: Expect two sources for LOOP in SM1-3.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 849a8f3addcdda4c9cf59e5898ad1e7ead321ad6
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/849a8f3addcdda4c9cf59e5898ad1e...

Author: Giovanni Mascellani 
Date:   Thu Nov 16 22:30:12 2023 +0100

vkd3d-shader/ir: Expect two sources for LOOP in SM1-3.

---

libs/vkd3d-shader/ir.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/ir.c b/libs/vkd3d-shader/ir.c
index 2a334399..b8cb6a41 100644
--- a/libs/vkd3d-shader/ir.c
+++ b/libs/vkd3d-shader/ir.c
@@ -1716,7 +1716,7 @@ static void vsir_validate_instruction(struct validation_context *ctx)

case VKD3DSIH_LOOP:
             vsir_validate_dst_count(ctx, instruction, 0);
-            vsir_validate_src_count(ctx, instruction, 0);
+            vsir_validate_src_count(ctx, instruction, ctx->parser->shader_version.major <= 3 ? 2 : 0);
             if (!vkd3d_array_reserve((void **)&ctx->blocks, &ctx->blocks_capacity, ctx->depth + 1, sizeof(*ctx->blocks)))
                 return;
             ctx->blocks[ctx->depth++] = instruction->handler_idx;