Merge branch 'zig-gamedev:main' into sdl3gpu-backend

Author: PMarcL

build.zig.zon

@@ -11,7 +11,7 @@
     },
     .dependencies = .{
         .system_sdk = .{
-            .url = "https://github.com/zig-gamedev/system_sdk/archive/bf49d627a191e339f70e72668c8333717fb969b0.tar.gz",
+            .url = "https://github.com/zig-gamedev/system_sdk/archive/d1e724748d15cfcbf50c45ec7c7019688d45b16a.tar.gz",
             .hash = "122047a9298c4c9dd43389d418d6826d469b192246ba0944102964cdc57f94c562df",
             .lazy = true,
         },

src/gui.zig

@@ -3854,6 +3854,8 @@ pub const DrawCmd = extern struct {
     elem_count: c_uint,
     user_callback: ?DrawCallback,
     user_callback_data: ?*anyopaque,
+    user_callback_data_size: c_int,
+    user_callback_data_offset: c_int,
 };
 
 pub const DrawCallback = *const fn (*const anyopaque, *const DrawCmd) callconv(.C) void;