refactor Brush to be used in shared_ptr

src/texture.cpp

@@ -2,6 +2,7 @@
 #include "log.h"
 #include "texture.h"
 #include "util.h"
+#include "app.h"
 
 std::map<uint16_t, Texture2D> TextureManager::m_textures;
 
@@ -107,6 +108,17 @@ glm::vec2 Texture2D::size() const
     return { m_width, m_height };
 }
 
+Texture2D::~Texture2D()
+{
+    if (auto_destroy)
+    {
+        LOG("Texture2D auto destroy");
+        App::I.async_start();
+        destroy();
+        App::I.async_end();
+    }
+}
+
 bool Sampler::create(GLint filter /*= GL_LINEAR*/, GLint wrap /*= GL_CLAMP_TO_EDGE*/)
 {
 #if USE_SAMPLER