Zebediah Figura : vkd3d-shader: Treat global variables as written to only if they are uniform.

[Alexandre Julliard]

Module: vkd3d
Branch: master
Commit: 85892db65fa9013084cb814a544595ac093ed7c2
URL:    https://source.winehq.org/git/vkd3d.git/?a=commit;h=85892db65fa9013084cb814a544595ac093ed7c2

Author: Zebediah Figura <zfigura at codeweavers.com>
Date:   Mon Mar 22 17:02:40 2021 -0500

vkd3d-shader: Treat global variables as written to only if they are uniform.

Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

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

diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index 595e7da..21bd9ab 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -398,7 +398,8 @@ static void compute_liveness(struct hlsl_ctx *ctx, struct hlsl_ir_function_decl
 
     LIST_FOR_EACH_ENTRY(var, &ctx->globals->vars, struct hlsl_ir_var, scope_entry)
     {
-        var->first_write = 1;
+        if (var->is_uniform)
+            var->first_write = 1;
     }
 
     LIST_FOR_EACH_ENTRY(var, entry_func->parameters, struct hlsl_ir_var, param_entry)