Queries the GL handles for a GPU side texture through its Texture.
If the texture is spliced the data for the first sub texture will be queried.
| this |
a Texture pointer. |
| out_gl_handle |
pointer to return location for the textures GL handle, or null. |
| out_gl_target |
pointer to return location for the GL target type, or null. |
|
true if the handle was successfully retrieved, false if the handle was invalid |