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/*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* This is a new part of Blender.
*
* Contributor(s): Willian P. Germano
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
/* This is the Blender.BGL part of opy_draw.c, from the old bpython/intern
* dir, with minor changes to adapt it to the new Python implementation.
* The BGL submodule "wraps" OpenGL functions and constants, allowing script
* writers to make OpenGL calls in their Python scripts for Blender. The
* more important original comments are marked with an @ symbol. */
#ifndef EXPP_BGL_H
#define EXPP_BGL_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <Python.h>
#include "BIF_gl.h"
/*@ Buffer Object */
/*@ For Python access to OpenGL functions requiring a pointer. */
typedef struct _Buffer {
PyObject_VAR_HEAD
PyObject * parent;
int type; /* GL_BYTE, GL_SHORT, GL_INT, GL_FLOAT */
int ndimensions;
int *dimensions;
union {
char *asbyte;
short *asshort;
int *asint;
float *asfloat;
double *asdouble;
void *asvoid;
} buf;
} Buffer;
/*@ By golly George! It looks like fancy pants macro time!!! */
/*
#define int_str "i"
#define int_var(number) bgl_int##number
#define int_ref(number) &bgl_int##number
#define int_def(number) int int_var(number)
#define float_str "f"
#define float_var(number) bgl_float##number
#define float_ref(number) &bgl_float##number
#define float_def(number) float float_var(number)
*/
/* TYPE_str is the string to pass to Py_ArgParse (for the format) */
/* TYPE_var is the name to pass to the GL function */
/* TYPE_ref is the pointer to pass to Py_ArgParse (to store in) */
/* TYPE_def is the C initialization of the variable */
#define void_str ""
#define void_var(num)
#define void_ref(num) &bgl_var##num
#define void_def(num) char bgl_var##num
#define buffer_str "O!"
#define buffer_var(number) (bgl_buffer##number)->buf.asvoid
#define buffer_ref(number) &buffer_Type, &bgl_buffer##number
#define buffer_def(number) Buffer *bgl_buffer##number
/* GL Pointer fields, handled by buffer type */
/* GLdoubleP, GLfloatP, GLintP, GLuintP, GLshortP */
#define GLbooleanP_str "O!"
#define GLbooleanP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLbooleanP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLbooleanP_def(number) Buffer *bgl_buffer##number
#define GLbyteP_str "O!"
#define GLbyteP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLbyteP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLbyteP_def(number) Buffer *bgl_buffer##number
#define GLubyteP_str "O!"
#define GLubyteP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLubyteP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLubyteP_def(number) Buffer *bgl_buffer##number
#define GLintP_str "O!"
#define GLintP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLintP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLintP_def(number) Buffer *bgl_buffer##number
#define GLuintP_str "O!"
#define GLuintP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLuintP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLuintP_def(number) Buffer *bgl_buffer##number
#define GLshortP_str "O!"
#define GLshortP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLshortP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLshortP_def(number) Buffer *bgl_buffer##number
#define GLushortP_str "O!"
#define GLushortP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLushortP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLushortP_def(number) Buffer *bgl_buffer##number
#define GLfloatP_str "O!"
#define GLfloatP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLfloatP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLfloatP_def(number) Buffer *bgl_buffer##number
#define GLdoubleP_str "O!"
#define GLdoubleP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLdoubleP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLdoubleP_def(number) Buffer *bgl_buffer##number
#define GLclampfP_str "O!"
#define GLclampfP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLclampfP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLclampfP_def(number) Buffer *bgl_buffer##number
#define GLvoidP_str "O!"
#define GLvoidP_var(number) (bgl_buffer##number)->buf.asvoid
#define GLvoidP_ref(number) &buffer_Type, &bgl_buffer##number
#define GLvoidP_def(number) Buffer *bgl_buffer##number
#define buffer_str "O!"
#define buffer_var(number) (bgl_buffer##number)->buf.asvoid
#define buffer_ref(number) &buffer_Type, &bgl_buffer##number
#define buffer_def(number) Buffer *bgl_buffer##number
/*@The standard GL typedefs are used as prototypes, we can't
* use the GL type directly because Py_ArgParse expects normal
* C types.
*
* Py_ArgParse doesn't grok writing into unsigned variables,
* so we use signed everything (even stuff that should be unsigned.
*/
/* typedef unsigned int GLenum; */
#define GLenum_str "i"
#define GLenum_var(num) bgl_var##num
#define GLenum_ref(num) &bgl_var##num
#define GLenum_def(num) /* unsigned */ int GLenum_var(num)
/* typedef unsigned int GLboolean; */
#define GLboolean_str "b"
#define GLboolean_var(num) bgl_var##num
#define GLboolean_ref(num) &bgl_var##num
#define GLboolean_def(num) /* unsigned */ char GLboolean_var(num)
/* typedef unsigned int GLbitfield; */
#define GLbitfield_str "i"
#define GLbitfield_var(num) bgl_var##num
#define GLbitfield_ref(num) &bgl_var##num
#define GLbitfield_def(num) /* unsigned */ int GLbitfield_var(num)
/* typedef signed char GLbyte; */
#define GLbyte_str "b"
#define GLbyte_var(num) bgl_var##num
#define GLbyte_ref(num) &bgl_var##num
#define GLbyte_def(num) signed char GLbyte_var(num)
/* typedef short GLshort; */
#define GLshort_str "h"
#define GLshort_var(num) bgl_var##num
#define GLshort_ref(num) &bgl_var##num
#define GLshort_def(num) short GLshort_var(num)
/* typedef int GLint; */
#define GLint_str "i"
#define GLint_var(num) bgl_var##num
#define GLint_ref(num) &bgl_var##num
#define GLint_def(num) int GLint_var(num)
/* typedef int GLsizei; */
#define GLsizei_str "i"
#define GLsizei_var(num) bgl_var##num
#define GLsizei_ref(num) &bgl_var##num
#define GLsizei_def(num) int GLsizei_var(num)
/* typedef unsigned char GLubyte; */
#define GLubyte_str "b"
#define GLubyte_var(num) bgl_var##num
#define GLubyte_ref(num) &bgl_var##num
#define GLubyte_def(num) /* unsigned */ char GLubyte_var(num)
/* typedef unsigned short GLushort; */
#define GLushort_str "h"
#define GLushort_var(num) bgl_var##num
#define GLushort_ref(num) &bgl_var##num
#define GLushort_def(num) /* unsigned */ short GLushort_var(num)
/* typedef unsigned int GLuint; */
#define GLuint_str "i"
#define GLuint_var(num) bgl_var##num
#define GLuint_ref(num) &bgl_var##num
#define GLuint_def(num) /* unsigned */ int GLuint_var(num)
/* typedef float GLfloat; */
#define GLfloat_str "f"
#define GLfloat_var(num) bgl_var##num
#define GLfloat_ref(num) &bgl_var##num
#define GLfloat_def(num) float GLfloat_var(num)
/* typedef float GLclampf; */
#define GLclampf_str "f"
#define GLclampf_var(num) bgl_var##num
#define GLclampf_ref(num) &bgl_var##num
#define GLclampf_def(num) float GLclampf_var(num)
/* typedef double GLdouble; */
#define GLdouble_str "d"
#define GLdouble_var(num) bgl_var##num
#define GLdouble_ref(num) &bgl_var##num
#define GLdouble_def(num) double GLdouble_var(num)
/* typedef double GLclampd; */
#define GLclampd_str "d"
#define GLclampd_var(num) bgl_var##num
#define GLclampd_ref(num) &bgl_var##num
#define GLclampd_def(num) double GLclampd_var(num)
/* typedef void GLvoid; */
/* #define GLvoid_str "" */
/* #define GLvoid_var(num) bgl_var##num */
/* #define GLvoid_ref(num) &bgl_var##num */
/* #define GLvoid_def(num) char bgl_var##num */
#define arg_def1(a1) a1##_def(1)
#define arg_def2(a1, a2) arg_def1(a1); a2##_def(2)
#define arg_def3(a1, a2, a3) arg_def2(a1, a2); a3##_def(3)
#define arg_def4(a1, a2, a3, a4) arg_def3(a1, a2, a3); a4##_def(4)
#define arg_def5(a1, a2, a3, a4, a5) arg_def4(a1, a2, a3, a4); a5##_def(5)
#define arg_def6(a1, a2, a3, a4, a5, a6)arg_def5(a1, a2, a3, a4, a5); a6##_def(6)
#define arg_def7(a1, a2, a3, a4, a5, a6, a7)arg_def6(a1, a2, a3, a4, a5, a6); a7##_def(7)
#define arg_def8(a1, a2, a3, a4, a5, a6, a7, a8)arg_def7(a1, a2, a3, a4, a5, a6, a7); a8##_def(8)
#define arg_def9(a1, a2, a3, a4, a5, a6, a7, a8, a9)arg_def8(a1, a2, a3, a4, a5, a6, a7, a8); a9##_def(9)
#define arg_def10(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)arg_def9(a1, a2, a3, a4, a5, a6, a7, a8, a9); a10##_def(10)
#define arg_var1(a1) a1##_var(1)
#define arg_var2(a1, a2) arg_var1(a1), a2##_var(2)
#define arg_var3(a1, a2, a3) arg_var2(a1, a2), a3##_var(3)
#define arg_var4(a1, a2, a3, a4) arg_var3(a1, a2, a3), a4##_var(4)
#define arg_var5(a1, a2, a3, a4, a5) arg_var4(a1, a2, a3, a4), a5##_var(5)
#define arg_var6(a1, a2, a3, a4, a5, a6)arg_var5(a1, a2, a3, a4, a5), a6##_var(6)
#define arg_var7(a1, a2, a3, a4, a5, a6, a7)arg_var6(a1, a2, a3, a4, a5, a6), a7##_var(7)
#define arg_var8(a1, a2, a3, a4, a5, a6, a7, a8)arg_var7(a1, a2, a3, a4, a5, a6, a7), a8##_var(8)
#define arg_var9(a1, a2, a3, a4, a5, a6, a7, a8, a9)arg_var8(a1, a2, a3, a4, a5, a6, a7, a8), a9##_var(9)
#define arg_var10(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)arg_var9(a1, a2, a3, a4, a5, a6, a7, a8, a9), a10##_var(10)
#define arg_ref1(a1) a1##_ref(1)
#define arg_ref2(a1, a2) arg_ref1(a1), a2##_ref(2)
#define arg_ref3(a1, a2, a3) arg_ref2(a1, a2), a3##_ref(3)
#define arg_ref4(a1, a2, a3, a4) arg_ref3(a1, a2, a3), a4##_ref(4)
#define arg_ref5(a1, a2, a3, a4, a5) arg_ref4(a1, a2, a3, a4), a5##_ref(5)
#define arg_ref6(a1, a2, a3, a4, a5, a6)arg_ref5(a1, a2, a3, a4, a5), a6##_ref(6)
#define arg_ref7(a1, a2, a3, a4, a5, a6, a7)arg_ref6(a1, a2, a3, a4, a5, a6), a7##_ref(7)
#define arg_ref8(a1, a2, a3, a4, a5, a6, a7, a8)arg_ref7(a1, a2, a3, a4, a5, a6, a7), a8##_ref(8)
#define arg_ref9(a1, a2, a3, a4, a5, a6, a7, a8, a9)arg_ref8(a1, a2, a3, a4, a5, a6, a7, a8), a9##_ref(9)
#define arg_ref10(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)arg_ref9(a1, a2, a3, a4, a5, a6, a7, a8, a9), a10##_ref(10)
#define arg_str1(a1) a1##_str
#define arg_str2(a1, a2) arg_str1(a1) a2##_str
#define arg_str3(a1, a2, a3) arg_str2(a1, a2) a3##_str
#define arg_str4(a1, a2, a3, a4) arg_str3(a1, a2, a3) a4##_str
#define arg_str5(a1, a2, a3, a4, a5) arg_str4(a1, a2, a3, a4) a5##_str
#define arg_str6(a1, a2, a3, a4, a5, a6)arg_str5(a1, a2, a3, a4, a5) a6##_str
#define arg_str7(a1, a2, a3, a4, a5, a6, a7)arg_str6(a1, a2, a3, a4, a5, a6) a7##_str
#define arg_str8(a1, a2, a3, a4, a5, a6, a7, a8)arg_str7(a1, a2, a3, a4, a5, a6, a7) a8##_str
#define arg_str9(a1, a2, a3, a4, a5, a6, a7, a8, a9)arg_str8(a1, a2, a3, a4, a5, a6, a7, a8) a9##_str
#define arg_str10(a1, a2, a3, a4, a5, a6, a7, a8, a9, a10)arg_str9(a1, a2, a3, a4, a5, a6, a7, a8, a9) a10##_str
#define ret_def_void
#define ret_set_void
#define ret_ret_void return EXPP_incr_ret(Py_None)
#define ret_def_GLint int ret_int
#define ret_set_GLint ret_int=
#define ret_ret_GLint return PyInt_FromLong(ret_int);
#define ret_def_GLuint unsigned int ret_uint
#define ret_set_GLuint ret_uint=
#define ret_ret_GLuint return PyInt_FromLong((long) ret_uint);
#define ret_def_GLenum unsigned int ret_uint
#define ret_set_GLenum ret_uint=
#define ret_ret_GLenum return PyInt_FromLong((long) ret_uint);
#define ret_def_GLboolean unsigned char ret_bool
#define ret_set_GLboolean ret_bool=
#define ret_ret_GLboolean return PyInt_FromLong((long) ret_bool);
#define ret_def_GLstring const unsigned char *ret_str;
#define ret_set_GLstring ret_str=
#define ret_ret_GLstring return PyString_FromString(ret_str);
#endif /* EXPP_BGL_H */
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