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/*
* 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 bpygpu
*
* Experimental Python API, not considered public yet (called '_gpu'),
* we may re-expose as public later.
*
* - Use ``bpygpu_`` for local API.
* - Use ``BPyGPU`` for public API.
*/
#include <Python.h>
#include "BLI_utildefines.h"
#include "../generic/python_utildefines.h"
#include "GPU_init_exit.h"
#include "GPU_primitive.h"
#include "gpu_py_matrix.h"
#include "gpu_py_select.h"
#include "gpu_py_types.h"
#include "gpu_py_api.h" /* own include */
/* -------------------------------------------------------------------- */
/** \name Utils to invalidate functions
* \{ */
bool bpygpu_is_init_or_error(void)
{
if (!GPU_is_init()) {
PyErr_SetString(PyExc_SystemError,
"GPU functions for drawing are not available in background mode");
return false;
}
return true;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name Primitive Type Utils
* \{ */
int bpygpu_ParsePrimType(PyObject *o, void *p)
{
Py_ssize_t mode_id_len;
const char *mode_id = PyUnicode_AsUTF8AndSize(o, &mode_id_len);
if (mode_id == NULL) {
PyErr_Format(PyExc_ValueError, "expected a string, got %s", Py_TYPE(o)->tp_name);
return 0;
}
#define MATCH_ID(id) \
if (mode_id_len == strlen(STRINGIFY(id))) { \
if (STREQ(mode_id, STRINGIFY(id))) { \
mode = GPU_PRIM_##id; \
goto success; \
} \
} \
((void)0)
GPUPrimType mode;
MATCH_ID(POINTS);
MATCH_ID(LINES);
MATCH_ID(TRIS);
MATCH_ID(LINE_STRIP);
MATCH_ID(LINE_LOOP);
MATCH_ID(TRI_STRIP);
MATCH_ID(TRI_FAN);
MATCH_ID(LINES_ADJ);
MATCH_ID(TRIS_ADJ);
MATCH_ID(LINE_STRIP_ADJ);
#undef MATCH_ID
PyErr_Format(PyExc_ValueError, "unknown type literal: '%s'", mode_id);
return 0;
success:
(*(GPUPrimType *)p) = mode;
return 1;
}
/** \} */
/* -------------------------------------------------------------------- */
/** \name GPU Module
* \{ */
PyDoc_STRVAR(pygpu_doc,
"This module provides Python wrappers for the GPU implementation in Blender.\n"
"Some higher level functions can be found in the `gpu_extras` module.");
static struct PyModuleDef pygpu_module_def = {
PyModuleDef_HEAD_INIT,
.m_name = "gpu",
.m_doc = pygpu_doc,
};
PyObject *BPyInit_gpu(void)
{
PyObject *sys_modules = PyImport_GetModuleDict();
PyObject *submodule;
PyObject *mod;
mod = PyModule_Create(&pygpu_module_def);
PyModule_AddObject(mod, "types", (submodule = bpygpu_types_init()));
PyDict_SetItem(sys_modules, PyModule_GetNameObject(submodule), submodule);
PyModule_AddObject(mod, "matrix", (submodule = bpygpu_matrix_init()));
PyDict_SetItem(sys_modules, PyModule_GetNameObject(submodule), submodule);
PyModule_AddObject(mod, "select", (submodule = bpygpu_select_init()));
PyDict_SetItem(sys_modules, PyModule_GetNameObject(submodule), submodule);
PyModule_AddObject(mod, "shader", (submodule = bpygpu_shader_init()));
PyDict_SetItem(sys_modules, PyModule_GetNameObject(submodule), submodule);
return mod;
}
/** \} */
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