Nikolay Sivov : vkd3d-shader/hlsl: Handle RSQ output for SM1.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: b84b9349bfe547ee8fb49a94a90f7c2348b1b3ed
URL:    https://gitlab.winehq.org/wine/vkd3d/-/commit/b84b9349bfe547ee8fb49a94a90f7c...

Author: Nikolay Sivov 
Date:   Tue Jan 24 15:44:09 2023 +0300

vkd3d-shader/hlsl: Handle RSQ output for SM1.

---

libs/vkd3d-shader/hlsl_sm1.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libs/vkd3d-shader/hlsl_sm1.c b/libs/vkd3d-shader/hlsl_sm1.c
index fb505473..5050b7a9 100644
--- a/libs/vkd3d-shader/hlsl_sm1.c
+++ b/libs/vkd3d-shader/hlsl_sm1.c
@@ -632,13 +632,14 @@ static void write_sm1_expr(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *b
             break;

case HLSL_OP1_RCP:
+        case HLSL_OP1_RSQ:
             for (i = 0; i < instr->data_type->dimx; ++i)
             {
                 struct hlsl_reg src = arg1->reg, dst = instr->reg;

src.writemask = hlsl_combine_writemasks(src.writemask, 1u << i);
                 dst.writemask = hlsl_combine_writemasks(dst.writemask, 1u << i);
-                write_sm1_unary_op(ctx, buffer, D3DSIO_RCP, &dst, &src, 0);
+                write_sm1_unary_op(ctx, buffer, expr->op == HLSL_OP1_RCP ? D3DSIO_RCP : D3DSIO_RSQ, &dst, &src, 0);
             }
             break;