actually get uniforms to work (with my test case)

projects/apis/metal/src/uniforms/metal_uniform.h

@@ -1,6 +1,8 @@
 #pragma once
 #include "uniforms/gryphn_uniform.h"
+#include <Metal/Metal.h>
 #include <uniforms/gryphn_uniform_pool.h>
+#include "shader_module/metal_shader_module.h"
 
 typedef struct metalUniformBinding {
     gnUniformType type;
@@ -8,9 +10,15 @@ typedef struct metalUniformBinding {
     void* data;
 } metalUniformBinding;
 
+typedef id<MTLResource> mtlResource;
+GN_ARRAY_LIST(mtlResource);
+
 typedef struct gnPlatformUniform_t {
-    uint32_t bindingCount;
-    metalUniformBinding* bindings;
+    uint32_t index[MAX_METAL_BINDINGS];
+    id<MTLArgumentEncoder> encoder;
+    id<MTLBuffer> argumentBuffer;
+
+    mtlResourceArrayList resources;
 } gnPlatformUniform;
 
 void updateMetalBufferUniform(gnUniform uniform, gnBufferUniformInfo* info);