From af25548752d7ae7004a937307e06bd4810e46cc7 Mon Sep 17 00:00:00 2001
From: Roz K <roz@rozk.net>
Date: Sun, 4 Dec 2022 03:16:01 +0100
Subject: [PATCH] Fix ctypes binding for load_shader.

---
 __init__.py | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/__init__.py b/__init__.py
index d1899f0..c8d791f 100644
--- a/__init__.py
+++ b/__init__.py
@@ -222,11 +222,21 @@ initialize.argtypes = (
 _load_shader = _lib.rk_load_shader
 _load_shader.restype = ctypes.c_void_p
 _load_shader.argtypes = (
-    ctypes.c_char_p,) # name
+    ctypes.c_uint, # vert_nlines
+    ctypes.c_void_p, # vert_lines
+    ctypes.c_uint, # frag_nlines
+    ctypes.c_void_p) # frag_lines
 
-def load_shader(name):
-    print("Loading shader", str(name, 'utf-8'));
-    return _load_shader(name)
+def load_shader(vert_lines, frag_lines):
+    vert_nlines = len(vert_lines)
+    vert_type = ctypes.c_char_p * vert_nlines
+    vert_lines = vert_type(*map(ctypes.c_char_p, vert_lines))
+    frag_nlines = len(frag_lines)
+    frag_type = ctypes.c_char_p * frag_nlines
+    frag_lines = frag_type(*map(ctypes.c_char_p, frag_lines))
+    return _load_shader(
+        vert_nlines, ctypes.addressof(vert_lines),
+        frag_nlines, ctypes.addressof(frag_lines))
 
 select_shader = _lib.rk_select_shader
 select_shader.argtypes = (