mesa/st: Use memset to zero out struct

This is a non-stop source of warnings and build breakage. memset works
everywhere.

src/mesa/state_tracker/st_tgsi_lower_depth_clamp.c:354:45: warning:
suggest braces around initialization of subobject [-Wmissing-braces]

Reviewed-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5174>

diff --git a/src/mesa/state_tracker/st_tgsi_lower_depth_clamp.c b/src/mesa/state_tracker/st_tgsi_lower_depth_clamp.c
index 2b8ed079f8127705cdf309dbd6428bd1942bf28b..14bb4b975db50dbe6e0493e704895744b403a890 100644 (file)
--- a/src/mesa/state_tracker/st_tgsi_lower_depth_clamp.c
+++ b/src/mesa/state_tracker/st_tgsi_lower_depth_clamp.c
@@ -351,10 +351,11 @@ st_tgsi_lower_depth_clamp(const struct tgsi_token *tokens,
                           int depth_range_const,
                           bool clip_negative_one_to_one)
 {
-   struct tgsi_depth_clamp_transform ctx = {0};
+   struct tgsi_depth_clamp_transform ctx;
    struct tgsi_token *newtoks;
    int newlen;
 
+   memset(&ctx, 0, sizeof(ctx));
    tgsi_scan_shader(tokens, &ctx.info);
 
    /* we only want to do this for the fragment shader, and the shader-stage