API Docs: gpu api introduction + examples

doc/python_api/examples/gpu.2.py

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+"""
+3D Lines with Single Color
+--------------------------
+"""
+import bpy
+import gpu
+from gpu_extras.batch import batch_for_shader
+
+coords = [(1, 1, 1), (-2, 0, 0), (-2, -1, 3), (0, 1, 1)]
+shader = gpu.shader.from_builtin('3D_UNIFORM_COLOR')
+batch = batch_for_shader(shader, 'LINES', {"pos" : coords})
+
+def draw():
+    shader.bind()
+    shader.uniform_float("color", (1, 1, 0, 1))
+    batch.draw(shader)
+
+bpy.types.SpaceView3D.draw_handler_add(draw, (), 'WINDOW', 'POST_VIEW')
+