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blender-archive/source/blender/python/intern/bpy_app_sdl.c
Campbell Barton 24f0807550 Cleanup: replace Py_CLEAR with Py_DECREF in bpy.app modules
In this case, there is no benefit to using Py_CLEAR
as the value will never be NULL and can't be used later on.
2021-03-04 15:46:07 +11:00

144 lines
3.9 KiB
C

/*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/** \file
* \ingroup pythonintern
*/
#include "BLI_utildefines.h"
#include <Python.h>
#include "bpy_app_sdl.h"
#include "../generic/py_capi_utils.h"
#ifdef WITH_SDL
/* SDL force defines __SSE__ and __SSE2__ flags, which generates warnings
* because we pass those defines via command line as well. For until there's
* proper ifndef added to SDL headers we ignore the redefinition warning.
*/
# ifdef _MSC_VER
# pragma warning(push)
# pragma warning(disable : 4005)
# endif
# include "SDL.h"
# ifdef _MSC_VER
# pragma warning(pop)
# endif
# ifdef WITH_SDL_DYNLOAD
# include "sdlew.h"
# endif
#endif
static PyTypeObject BlenderAppSDLType;
static PyStructSequence_Field app_sdl_info_fields[] = {
{"supported", ("Boolean, True when Blender is built with SDL support")},
{"version", ("The SDL version as a tuple of 3 numbers")},
{"version_string", ("The SDL version formatted as a string")},
{"available",
("Boolean, True when SDL is available. This is False when "
"either *supported* is False, or *dynload* is True and "
"Blender cannot find the correct library.")},
{NULL},
};
static PyStructSequence_Desc app_sdl_info_desc = {
"bpy.app.sdl", /* name */
"This module contains information about SDL blender is linked against", /* doc */
app_sdl_info_fields, /* fields */
ARRAY_SIZE(app_sdl_info_fields) - 1,
};
static PyObject *make_sdl_info(void)
{
PyObject *sdl_info;
int pos = 0;
#ifdef WITH_SDL
bool sdl_available = false;
SDL_version version = {0, 0, 0};
#endif
sdl_info = PyStructSequence_New(&BlenderAppSDLType);
if (sdl_info == NULL) {
return NULL;
}
#define SetStrItem(str) PyStructSequence_SET_ITEM(sdl_info, pos++, PyUnicode_FromString(str))
#define SetObjItem(obj) PyStructSequence_SET_ITEM(sdl_info, pos++, obj)
#ifdef WITH_SDL
SetObjItem(PyBool_FromLong(1));
# ifdef WITH_SDL_DYNLOAD
if (sdlewInit() == SDLEW_SUCCESS) {
SDL_GetVersion(&version);
sdl_available = true;
}
# else /* WITH_SDL_DYNLOAD=OFF */
sdl_available = true;
# if SDL_MAJOR_VERSION >= 2
SDL_GetVersion(&version);
# else
SDL_VERSION(&version);
# endif
# endif
SetObjItem(PyC_Tuple_Pack_I32(version.major, version.minor, version.patch));
if (sdl_available) {
SetObjItem(PyUnicode_FromFormat("%d.%d.%d", version.major, version.minor, version.patch));
}
else {
SetStrItem("Unknown");
}
SetObjItem(PyBool_FromLong(sdl_available));
#else /* WITH_SDL=OFF */
SetObjItem(PyBool_FromLong(0));
SetObjItem(PyC_Tuple_Pack_I32(0, 0, 0));
SetStrItem("Unknown");
SetObjItem(PyBool_FromLong(0));
#endif
if (UNLIKELY(PyErr_Occurred())) {
Py_DECREF(sdl_info);
return NULL;
}
#undef SetStrItem
#undef SetObjItem
return sdl_info;
}
PyObject *BPY_app_sdl_struct(void)
{
PyObject *ret;
PyStructSequence_InitType(&BlenderAppSDLType, &app_sdl_info_desc);
ret = make_sdl_info();
/* prevent user from creating new instances */
BlenderAppSDLType.tp_init = NULL;
BlenderAppSDLType.tp_new = NULL;
BlenderAppSDLType.tp_hash = (hashfunc)
_Py_HashPointer; /* without this we can't do set(sys.modules) T29635. */
return ret;
}