82 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			2.0 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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 * Copyright 2015, Blender Foundation.
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 *
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 * ***** END GPL LICENSE BLOCK *****
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 */
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/** \file blender/python/gpu/gpu_py_primitive.c
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 *  \ingroup bpygpu
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 *
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 * - Use ``bpygpu_`` for local API.
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 * - Use ``BPyGPU`` for public API.
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 */
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#include <Python.h>
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#include "BLI_utildefines.h"
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#include "GPU_primitive.h"
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#include "gpu_py_primitive.h" /* own include */
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/* -------------------------------------------------------------------- */
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/** \name Primitive Utils
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 * \{ */
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int bpygpu_ParsePrimType(PyObject *o, void *p)
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{
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	Py_ssize_t mode_id_len;
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	const char *mode_id = _PyUnicode_AsStringAndSize(o, &mode_id_len);
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	if (mode_id == NULL) {
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		PyErr_Format(PyExc_ValueError,
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		             "expected a string, got %s",
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		             Py_TYPE(o)->tp_name);
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		return 0;
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	}
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#define MATCH_ID(id) \
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	if (mode_id_len == strlen(STRINGIFY(id))) { \
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		if (STREQ(mode_id, STRINGIFY(id))) { \
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			mode = GPU_PRIM_##id; \
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			goto success; \
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		} \
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	} ((void)0)
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	GPUPrimType mode;
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	MATCH_ID(POINTS);
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	MATCH_ID(LINES);
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	MATCH_ID(TRIS);
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	MATCH_ID(LINE_STRIP);
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	MATCH_ID(LINE_LOOP);
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	MATCH_ID(TRI_STRIP);
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	MATCH_ID(TRI_FAN);
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	MATCH_ID(LINE_STRIP_ADJ);
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#undef MATCH_ID
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	PyErr_Format(PyExc_ValueError,
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	             "unknown type literal: '%s'",
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	             mode_id);
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	return 0;
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success:
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	(*(GPUPrimType *)p) = mode;
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	return 1;
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}
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