72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): Willian P. Germano
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/python/generic/bgl.h
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* \ingroup pygen
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*/
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/* This is the Blender.BGL part of opy_draw.c, from the old bpython/intern
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* dir, with minor changes to adapt it to the new Python implementation.
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* The BGL submodule "wraps" OpenGL functions and constants, allowing script
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* writers to make OpenGL calls in their Python scripts for Blender. The
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* more important original comments are marked with an @ symbol. */
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#ifndef __BGL_H__
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#define __BGL_H__
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PyObject *BPyInit_bgl(void);
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/*@ Create a buffer object */
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/*@ dimensions is an array of ndimensions integers representing the size of each dimension */
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/*@ initbuffer if not NULL holds a contiguous buffer with the correct format from which the buffer will be initialized */
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struct _Buffer *BGL_MakeBuffer(int type, int ndimensions, int *dimensions, void *initbuffer);
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/*@ Return the size of buffer element, type must be one of GL_BYTE, GL_SHORT, GL_INT, GL_FLOAT or GL_DOUBLE */
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/*@ returns -1 otherwise */
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int BGL_typeSize(int type);
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/*@ Buffer Object */
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/*@ For Python access to OpenGL functions requiring a pointer. */
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typedef struct _Buffer {
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PyObject_VAR_HEAD
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PyObject *parent;
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int type; /* GL_BYTE, GL_SHORT, GL_INT, GL_FLOAT */
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int ndimensions;
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int *dimensions;
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union {
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char *asbyte;
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short *asshort;
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int *asint;
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float *asfloat;
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double *asdouble;
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void *asvoid;
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} buf;
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} Buffer;
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/*@ The type object */
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extern PyTypeObject BGL_bufferType;
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#endif /* __BGL_H__ */
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