Outright require OpenGL 3.3.

pyglet seems to detect MESA as 3.0 even though it supports 3.3, even when I create a 3.3 context.

punyverse/entity.py

@@ -102,9 +102,7 @@ class Belt(Entity):
         rotation = info.get('period', 31536000)
         models = info['model']
         self.rotation_angle = 360.0 / rotation if rotation else 0
-        self.render = gl_info.have_version(3, 3)
 
-        if self.render:
         shader = world.activate_shader('belt')
         if not isinstance(models, list):
             models = [models]
@@ -135,9 +133,6 @@ class Belt(Entity):
         self.rotation = pitch, self.world.tick * self.rotation_angle % 360, roll
 
     def draw(self, options):
-        if not self.render:
-            return
-
         shader = self.world.activate_shader('belt')
         shader.uniform_mat4('u_mvpMatrix', self.mvp_matrix)
         shader.uniform_mat4('u_mvMatrix', self.mv_matrix)

punyverse/loader.py

@@ -78,6 +78,8 @@ def get_context_info(context):
             zip_longest(info[::2], info[1::2], fillvalue='')]
 
     with glContext(context):
+        gl_info.remove_active_context()
+        gl_info.set_active_context()
         return '\n'.join([
             'Graphics Vendor:   ' + gl_info.get_vendor(),
             'Graphics Version:  ' + gl_info.get_version(),

punyverse/main.py

@@ -27,7 +27,7 @@ def main():
     template = pyglet.gl.Config(depth_size=args.depth, double_buffer=True,
                                 sample_buffers=args.multisample > 1,
                                 samples=args.multisample,
-                                major_version=3, minor_version=2)
+                                major_version=3, minor_version=3)
 
     platform = pyglet.window.get_platform()
     display = platform.get_default_display()