Save meta instance in modelgl programs and textures in extra attribute

Author: einarf

demosys/loaders/texture/array.py

@@ -23,6 +23,7 @@ def load(self):
             components,
             data,
         )
+        texture.extra = {'meta': self.meta}
 
         if self.meta.mipmap:
             texture.build_mipmaps()

demosys/loaders/texture/t2d.py

@@ -15,6 +15,7 @@ def load(self):
             components,
             data,
         )
+        texture.extra = {'meta': self.meta}
 
         if self.meta.mipmap:
             texture.build_mipmaps()

demosys/opengl/program.py

@@ -110,7 +110,12 @@ def from_separate(cls, meta: ProgramDescription, vertex_source, geometry_source=
         return instance
 
     def create(self):
-        """Return create arguments to the Contex.program function in moderngl"""
+        """
+        Creates a shader program.
+
+        Returns:
+            ModernGL Program instance
+        """
         # Get out varyings
         out_attribs = []
 
@@ -123,14 +128,16 @@ def create(self):
             else:
                 out_attribs = self.vertex_source.find_out_attribs()
 
-        return self.ctx.program(
+        program = self.ctx.program(
             vertex_shader=self.vertex_source.source,
             geometry_shader=self.geometry_source.source if self.geometry_source else None,
             fragment_shader=self.fragment_source.source if self.fragment_source else None,
             tess_control_shader=self.tess_control_source.source if self.tess_control_source else None,
             tess_evaluation_shader=self.tess_evaluation_source.source if self.tess_evaluation_source else None,
             varyings=out_attribs,
         )
+        program.extra = {'meta': self.meta}
+        return program
 
 
 class ShaderSource: