Load bone matrices for each frame

gpu.h

@@ -53,6 +53,7 @@ typedef struct {
 	VkBuffer index_buf;
 	VkDeviceMemory index_buf_mem;
 	size_t index_count;
+	size_t bone_count;
 } gpu_ctx_t;
 
 typedef struct {
@@ -62,6 +63,7 @@ typedef struct {
 
 void gpu_init(gpu_ctx_t *ctx, const gpu_config_t *config, model_t model);
 void gpu_cleanup(const gpu_ctx_t *ctx);
-void gpu_render(const gpu_ctx_t *ctx, const mvp_t *mvp);
+void gpu_render(
+    const gpu_ctx_t *ctx, const mvp_t *mvp, const mat4_t *bone_matrices);
 
 #endif