world: correctly align start of the buffer

src/world/render_world.cpp

@@ -569,14 +569,14 @@ void RenderWorld::MeshManager::allocate(u32 num)
 	new_data.buffer = _allocator->allocate(bytes);
 	new_data.first_hidden = _data.first_hidden;
 
-	new_data.unit          = (UnitId*             )new_data.buffer;
-	new_data.resource      = (const MeshResource**)memory::align_top(new_data.unit + num,     alignof(const MeshResource*));
-	new_data.geometry      = (const MeshGeometry**)memory::align_top(new_data.resource + num, alignof(const MeshGeometry*));
-	new_data.mesh          = (MeshData*           )memory::align_top(new_data.geometry + num, alignof(MeshData           ));
-	new_data.material      = (StringId64*         )memory::align_top(new_data.mesh + num,     alignof(StringId64         ));
-	new_data.world         = (Matrix4x4*          )memory::align_top(new_data.material + num, alignof(Matrix4x4          ));
-	new_data.obb           = (OBB*                )memory::align_top(new_data.world + num,    alignof(OBB                ));
-	new_data.next_instance = (MeshInstance*       )memory::align_top(new_data.obb + num,      alignof(MeshInstance       ));
+	new_data.unit          = (UnitId*       )memory::align_top(new_data.buffer,         alignof(UnitId       ));
+	new_data.resource      = (MeshResource**)memory::align_top(new_data.unit + num,     alignof(MeshResource*));
+	new_data.geometry      = (MeshGeometry**)memory::align_top(new_data.resource + num, alignof(MeshGeometry*));
+	new_data.mesh          = (MeshData*     )memory::align_top(new_data.geometry + num, alignof(MeshData     ));
+	new_data.material      = (StringId64*   )memory::align_top(new_data.mesh + num,     alignof(StringId64   ));
+	new_data.world         = (Matrix4x4*    )memory::align_top(new_data.material + num, alignof(Matrix4x4    ));
+	new_data.obb           = (OBB*          )memory::align_top(new_data.world + num,    alignof(OBB          ));
+	new_data.next_instance = (MeshInstance* )memory::align_top(new_data.obb + num,      alignof(MeshInstance ));
 
 	memcpy(new_data.unit, _data.unit, _data.size * sizeof(UnitId));
 	memcpy(new_data.resource, _data.resource, _data.size * sizeof(MeshResource*));
@@ -770,16 +770,16 @@ void RenderWorld::SpriteManager::allocate(u32 num)
 	new_data.buffer = _allocator->allocate(bytes);
 	new_data.first_hidden = _data.first_hidden;
 
-	new_data.unit     = (UnitId*               )new_data.buffer;
-	new_data.resource = (const SpriteResource**)memory::align_top(new_data.unit + num,     alignof(const SpriteResource*));
-	new_data.material = (StringId64*           )memory::align_top(new_data.resource + num, alignof(StringId64           ));
-	new_data.frame    = (u32*                  )memory::align_top(new_data.material + num, alignof(u32                  ));
-	new_data.world    = (Matrix4x4*            )memory::align_top(new_data.frame + num,    alignof(Matrix4x4            ));
-	new_data.aabb     = (AABB*                 )memory::align_top(new_data.world + num,    alignof(AABB                 ));
-	new_data.flip_x   = (bool*                 )memory::align_top(new_data.aabb + num,     alignof(bool                 ));
-	new_data.flip_y   = (bool*                 )memory::align_top(new_data.flip_x + num,   alignof(bool                 ));
-	new_data.layer    = (u32*                  )memory::align_top(new_data.flip_y + num,   alignof(u32                  ));
-	new_data.depth    = (u32*                  )memory::align_top(new_data.layer + num,    alignof(u32                  ));
+	new_data.unit     = (UnitId*         )memory::align_top(new_data.buffer,         alignof(UnitId         ));
+	new_data.resource = (SpriteResource**)memory::align_top(new_data.unit + num,     alignof(SpriteResource*));
+	new_data.material = (StringId64*     )memory::align_top(new_data.resource + num, alignof(StringId64     ));
+	new_data.frame    = (u32*            )memory::align_top(new_data.material + num, alignof(u32            ));
+	new_data.world    = (Matrix4x4*      )memory::align_top(new_data.frame + num,    alignof(Matrix4x4      ));
+	new_data.aabb     = (AABB*           )memory::align_top(new_data.world + num,    alignof(AABB           ));
+	new_data.flip_x   = (bool*           )memory::align_top(new_data.aabb + num,     alignof(bool           ));
+	new_data.flip_y   = (bool*           )memory::align_top(new_data.flip_x + num,   alignof(bool           ));
+	new_data.layer    = (u32*            )memory::align_top(new_data.flip_y + num,   alignof(u32            ));
+	new_data.depth    = (u32*            )memory::align_top(new_data.layer + num,    alignof(u32            ));
 
 	memcpy(new_data.unit, _data.unit, _data.size * sizeof(UnitId));
 	memcpy(new_data.resource, _data.resource, _data.size * sizeof(SpriteResource**));
@@ -925,7 +925,7 @@ void RenderWorld::LightManager::allocate(u32 num)
 	new_data.capacity = num;
 	new_data.buffer = _allocator->allocate(bytes);
 
-	new_data.unit       = (UnitId*   )new_data.buffer;
+	new_data.unit       = (UnitId*   )memory::align_top(new_data.buffer,           alignof(UnitId   ));
 	new_data.world      = (Matrix4x4*)memory::align_top(new_data.unit + num,       alignof(Matrix4x4));
 	new_data.range      = (f32*      )memory::align_top(new_data.world + num,      alignof(f32      ));
 	new_data.intensity  = (f32*      )memory::align_top(new_data.range + num,      alignof(f32      ));

src/world/scene_graph.cpp

@@ -76,7 +76,7 @@ void SceneGraph::allocate(u32 num)
 	new_data.capacity = num;
 	new_data.buffer = _allocator->allocate(bytes);
 
-	new_data.unit         = (UnitId*           )new_data.buffer;
+	new_data.unit         = (UnitId*           )memory::align_top(new_data.buffer,             alignof(UnitId           ));
 	new_data.world        = (Matrix4x4*        )memory::align_top(new_data.unit + num,         alignof(Matrix4x4        ));
 	new_data.local        = (Pose*             )memory::align_top(new_data.world + num,        alignof(Pose             ));
 	new_data.parent       = (TransformInstance*)memory::align_top(new_data.local + num,        alignof(TransformInstance));