gpu: add Device.LostReason enum

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

gpu/TODO-webgpu.h

@@ -1,11 +1,5 @@
 typedef uint32_t WGPUFlags;
 
-typedef enum WGPUDeviceLostReason {
-    WGPUDeviceLostReason_Undefined = 0x00000000,
-    WGPUDeviceLostReason_Destroyed = 0x00000001,
-    WGPUDeviceLostReason_Force32 = 0x7FFFFFFF
-} WGPUDeviceLostReason;
-
 typedef enum WGPUErrorFilter {
     WGPUErrorFilter_Validation = 0x00000000,
     WGPUErrorFilter_OutOfMemory = 0x00000001,

gpu/src/Device.zig

@@ -1 +1,6 @@
 ptr: *anyopaque,
+
+pub const LostReason = enum(u32) {
+    undef = 0x00000000,
+    destroyed = 0x00000001,
+};

gpu/src/types.zig

@@ -92,7 +92,7 @@ pub const CreatePipelineAsyncStatus = enum(u32) {
 };
 
 pub const CullMode = enum(u32) {
-    none = 0x00000000,
+    undef = 0x00000000,
     front = 0x00000001,
     back = 0x00000002,
 };