Reduce noisiness of trace logging

Author: jonathanhogg

src/flitter/engine/control.py

@@ -293,8 +293,8 @@ async def run(self):
                         for renderer in renderers:
                             await renderer.purge()
 
-                elif count := gc.collect(0):
-                    logger.trace("Collected {} objects", count)
+                else:
+                    gc.collect(0)
 
                 frame_count += 1
                 frames.append(frame_time if self.realtime else now)

src/flitter/render/window/__init__.py

@@ -305,11 +305,15 @@ def render(self, node, references, *, srgb=False, colorbits=None, composite='ove
                 elif name == 'downsample':
                     downsample_member = member
                 elif name in child_textures:
-                    sampler = self.glctx.sampler(texture=child_textures[name], **sampler_args)
-                    sampler.use(location=unit)
-                    samplers.append(sampler)
-                    member.value = unit
-                    unit += 1
+                    texture = child_textures[name]
+                    if texture is not None:
+                        sampler = self.glctx.sampler(texture=child_textures[name], **sampler_args)
+                        sampler.use(location=unit)
+                        samplers.append(sampler)
+                        member.value = unit
+                        unit += 1
+                    else:
+                        member.value = 0
                 elif name in node and set_uniform_vector(member, node[name]):
                     pass
                 elif name in kwargs and set_uniform_vector(member, Vector.coerce(kwargs[name])):
@@ -662,8 +666,7 @@ def render(self, node, references, beat=None, **kwargs):
         self._beat = beat
         glfw.poll_events()
         RenderTarget.empty_pool(self.glctx, 1)
-        if count := self.glctx.gc():
-            logger.trace("Collected {} OpenGL objects", count)
+        self.glctx.gc()
 
     def make_secondary_texture(self):
         width, height = self.window.get_framebuffer_size()