win_opengl: Split shader loading to it's own file.

src/include/86box/win_opengl_glslp.h

@@ -0,0 +1,23 @@
+/*
+ * 86Box	A hypervisor and IBM PC system emulator that specializes in
+ *		running old operating systems and software designed for IBM
+ *		PC systems and compatibles from 1981 through fairly recent
+ *		system designs based on the PCI bus.
+ *
+ *		This file is part of the 86Box distribution.
+ *
+ *		Header file for shader file parser.
+ *
+ * Authors:	Teemu Korhonen
+ *
+ *		Copyright 2021 Teemu Korhonen
+ */
+#ifndef WIN_OPENGL_GLSLP_H
+#define WIN_OPENGL_GLSLP_H
+
+#include <glad/glad.h>
+
+GLuint load_custom_shaders();
+GLuint load_default_shaders();
+
+#endif /*!WIN_OPENGL_GLSLP_H*/