Precision Drawing Tools: replace deprecated bgl module

Part of T80730

precision_drawing_tools/__init__.py

@@ -12,7 +12,7 @@
 bl_info = {
     "name": "Precision Drawing Tools (PDT)",
     "author": "Alan Odom (Clockmender), Rune Morling (ermo)",
-    "version": (1, 5, 2),
+    "version": (1, 5, 3),
     "blender": (3, 0, 0),
     "location": "View3D > UI > PDT",
     "description": "Precision Drawing Tools for Accurate Modelling",

precision_drawing_tools/pdt_functions.py

@@ -8,7 +8,6 @@
 
 import bpy
 import bmesh
-import bgl
 import gpu
 import numpy as np
 from mathutils import Vector, Quaternion
@@ -584,7 +583,7 @@ def draw_3d(coords, gtype, rgba, context):
 
     try:
         if coords is not None:
-            bgl.glEnable(bgl.GL_BLEND)
+            gpu.state.blend_set('ALPHA')
             SHADER.bind()
             SHADER.uniform_float("color", rgba)
             batch.draw(SHADER)