diff --git a/include/blt/gfx/texture.h b/include/blt/gfx/texture.h
index 68b1be3..82f02b5 100644
--- a/include/blt/gfx/texture.h
+++ b/include/blt/gfx/texture.h
@@ -173,7 +173,9 @@ namespace blt::gfx
             void upload(void* data, GLint dataColorMode = GL_RGBA, int level = 0, int x_offset = 0, int y_offset = 0, int sub_width = -1,
                         int sub_height = -1, GLint dataMode = GL_UNSIGNED_BYTE) const;
             
-            void upload(const texture_file& tex_file) const;
+            void upload(void* data, int width, int height, GLint dataColorMode = GL_RGBA, GLint dataMode = GL_UNSIGNED_BYTE);
+            
+            void upload(const texture_data& file_data) const;
             
             /**
              * Resizes the internal memory for the texture but does NOT resize the texture image stored
diff --git a/libraries/BLT b/libraries/BLT
index 0fbe3bf..a0b92dd 160000
--- a/libraries/BLT
+++ b/libraries/BLT
@@ -1 +1 @@
-Subproject commit 0fbe3bf2281aaa091173d7acd1cc017b3d60bf7b
+Subproject commit a0b92ddfa756ddf80e280e1af37a057dd0d41cf9
diff --git a/src/blt/gfx/texture.cpp b/src/blt/gfx/texture.cpp
index 2f7504d..22a1782 100644
--- a/src/blt/gfx/texture.cpp
+++ b/src/blt/gfx/texture.cpp
@@ -104,12 +104,13 @@ void blt::gfx::texture_gl2D::upload(void* data, GLint dataColorMode, int level,
         sub_height = m_height;
     bind();
     glTexSubImage2D(textureBindType, level, x_offset, y_offset, sub_width, sub_height, dataColorMode, dataMode, data);
+    generateMipmaps();
     unbind();
 }
 
-void blt::gfx::texture_gl2D::upload(const blt::gfx::texture_file& tex_file) const
+void blt::gfx::texture_gl2D::upload(const blt::gfx::texture_data& file_data) const
 {
-    upload(tex_file.texture().data(), tex_file.channels() == 4 ? GL_RGBA : GL_RGB, 0, 0, 0, tex_file.width(), tex_file.height());
+    upload((void*)file_data.data(), file_data.channels() == 4 ? GL_RGBA : GL_RGB, 0, 0, 0, file_data.width(), file_data.height());
 }
 
 void blt::gfx::texture_gl2D::resize(int width, int height)
@@ -142,6 +143,14 @@ blt::gfx::texture_gl2D::texture_gl2D(const blt::gfx::texture_data& data): textur
     unbind();
 }
 
+void blt::gfx::texture_gl2D::upload(void* data, int width, int height, GLint dataColorMode, GLint dataMode)
+{
+    bind();
+    glTexImage2D(textureBindType, 0, textureColorMode, width, height, 0, dataColorMode, dataMode, data);
+    generateMipmaps();
+    unbind();
+}
+
 void blt::gfx::gl_texture2D_array::upload(void* data, int index, GLint dataColorMode, int level, int x_offset, int y_offset, int sub_width,
                                           int sub_height) const
 {