Remove tiling and LRU caching, add circles basic shape to improve overall performances.

src/pool.h

@@ -0,0 +1,36 @@
+#include "api.h"
+
+#define MAX_BUFFER_SIZE 1024 * 1024 * 1024 // 1GB
+
+static void pool_buffer_grow(sg_buffer buffer, uint32_t stripe, uint32_t count, void* data)
+{
+    size_t size = sg_query_buffer_size(buffer);
+    if(size == MAX_BUFFER_SIZE) return sg_update_buffer(buffer, &(sg_range) { data, MAX_BUFFER_SIZE });
+    if(size < stripe * count)
+    {
+        sg_buffer_desc desc = sg_query_buffer_desc(buffer);
+        while(desc.size < stripe * count) desc.size = fmaxf(MAX_BUFFER_SIZE, size * 2);
+
+        sg_uninit_buffer(buffer);
+        sg_init_buffer(buffer, &desc);
+    }
+
+    sg_update_buffer(buffer, &(sg_range) { data, stripe * count });
+}
+static void pool_view_grow(sg_view view, uint32_t stripe, uint32_t count, void* data)
+{
+    sg_buffer buffer = sg_query_view_buffer(view);
+    
+    size_t size = sg_query_buffer_size(buffer);
+    if(size == MAX_BUFFER_SIZE) return sg_update_buffer(buffer, &(sg_range) { data, MAX_BUFFER_SIZE });
+    if(size < stripe * count)
+    {
+        sg_buffer_desc desc = sg_query_buffer_desc(buffer);
+        while(desc.size < stripe * count) desc.size = fmaxf(MAX_BUFFER_SIZE, size * 2);
+
+        sg_uninit_buffer(buffer);
+        sg_init_buffer(buffer, &desc);
+    }
+
+    sg_update_buffer(buffer, &(sg_range) { data, stripe * count });
+}