Add repr(transparent) to buffer usage flags

wgpu-bindings/wgpu.h

@@ -269,6 +269,24 @@ typedef struct {
   uint32_t array_count;
 } WGPUTextureViewDescriptor;
 
+#define WGPUBufferUsageFlags_INDEX 16
+
+#define WGPUBufferUsageFlags_MAP_READ 1
+
+#define WGPUBufferUsageFlags_MAP_WRITE 2
+
+#define WGPUBufferUsageFlags_NONE 0
+
+#define WGPUBufferUsageFlags_STORAGE 128
+
+#define WGPUBufferUsageFlags_TRANSFER_DST 8
+
+#define WGPUBufferUsageFlags_TRANSFER_SRC 4
+
+#define WGPUBufferUsageFlags_UNIFORM 64
+
+#define WGPUBufferUsageFlags_VERTEX 32
+
 #define WGPUColorWriteFlags_ALL 15
 
 #define WGPUColorWriteFlags_ALPHA 8

wgpu-native/src/resource.rs

@@ -7,6 +7,7 @@ use hal;
 
 
 bitflags! {
+    #[repr(transparent)]
     pub struct BufferUsageFlags: u32 {
         const MAP_READ = 1;
         const MAP_WRITE = 2;