diff --git a/gpu/src/types.zig b/gpu/src/types.zig
index 3962b3be..91c13c98 100644
--- a/gpu/src/types.zig
+++ b/gpu/src/types.zig
@@ -549,15 +549,15 @@ pub const CompilationInfo = extern struct {
 pub const DepthStencilState = extern struct {
     next_in_chain: *const ChainedStruct,
     format: TextureFormat,
-    depth_write_enabled: bool,
-    depth_compare: CompareFunction,
+    depth_write_enabled: bool = false,
+    depth_compare: CompareFunction = .always,
     stencil_front: StencilFaceState,
     stencil_back: StencilFaceState,
-    stencil_read_mask: u32,
-    stencil_write_mask: u32,
-    depth_bias: i32,
-    depth_bias_slope_scale: f32,
-    depth_bias_clamp: f32,
+    stencil_read_mask: u32 = 0xFFFFFFFF,
+    stencil_write_mask: u32 = 0xFFFFFFFF,
+    depth_bias: i32 = 0,
+    depth_bias_slope_scale: f32 = 0.0,
+    depth_bias_clamp: f32 = 0.0,
 };
 
 pub const ImageCopyBuffer = extern struct {