From 229fbe2b3fbfa05c91f9693d6dfb8144f9d89bbe Mon Sep 17 00:00:00 2001
From: Ed_ <edwardgz@gmail.com>
Date: Fri, 13 Mar 2026 12:43:54 -0400
Subject: [PATCH] feat(gui): Implement live shader editor panel

---
 src/gui_2.py                     | 13 +++++++++++++
 tests/test_shader_live_editor.py | 14 ++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 tests/test_shader_live_editor.py

diff --git a/src/gui_2.py b/src/gui_2.py
index 02eafc4..7acacc8 100644
--- a/src/gui_2.py
+++ b/src/gui_2.py
@@ -187,6 +187,7 @@ class App:
   self.show_windows.setdefault("Tier 3: Workers", False)
   self.show_windows.setdefault("Tier 4: QA", False)
   self.show_windows.setdefault('External Tools', False)
+  self.show_windows.setdefault('Shader Editor', False)
   self.ui_multi_viewport = gui_cfg.get("multi_viewport", False)
   self.layout_presets = self.config.get("layout_presets", {})
   self._new_preset_name = ""
@@ -205,6 +206,7 @@ class App:
   self._nerv_flicker = theme_fx.StatusFlicker()
   self.ui_tool_filter_category = "All"
   self.ui_discussion_split_h = 300.0
+  self.shader_uniforms = {'crt': 1.0, 'scanline': 0.5, 'bloom': 0.8}
 
  def _handle_approve_tool(self, user_data=None) -> None:
   """UI-level wrapper for approving a pending tool execution ask."""
@@ -398,8 +400,19 @@ class App:
    imgui.end()
   imgui.pop_style_var(3)
 
+ def _render_shader_live_editor(self) -> None:
+  if self.show_windows.get('Shader Editor', False):
+   exp, opened = imgui.begin('Shader Editor', self.show_windows['Shader Editor'])
+   self.show_windows['Shader Editor'] = bool(opened)
+   if exp:
+    changed_crt, self.shader_uniforms['crt'] = imgui.slider_float('CRT Curvature', self.shader_uniforms['crt'], 0.0, 2.0)
+    changed_scan, self.shader_uniforms['scanline'] = imgui.slider_float('Scanline Intensity', self.shader_uniforms['scanline'], 0.0, 1.0)
+    changed_bloom, self.shader_uniforms['bloom'] = imgui.slider_float('Bloom Threshold', self.shader_uniforms['bloom'], 0.0, 1.0)
+   imgui.end()
+
  def _gui_func(self) -> None:
   self._render_custom_title_bar()
+  self._render_shader_live_editor()
   pushed_prior_tint = False
   # Render background shader
   bg = bg_shader.get_bg()
diff --git a/tests/test_shader_live_editor.py b/tests/test_shader_live_editor.py
new file mode 100644
index 0000000..3da9cb3
--- /dev/null
+++ b/tests/test_shader_live_editor.py
@@ -0,0 +1,14 @@
+import pytest
+from unittest.mock import patch, MagicMock
+
+def test_shader_live_editor_renders():
+ from src.gui_2 import App
+ app = App()
+ app.show_windows["Shader Editor"] = True
+ 
+ with patch("src.gui_2.imgui") as mock_imgui:
+  mock_imgui.begin.return_value = (True, True)
+  mock_imgui.slider_float.return_value = (False, 1.0)
+  app._render_shader_live_editor()
+  assert mock_imgui.begin.called
+  assert mock_imgui.end.called