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blender-archive/source/blender/python/gpu/gpu_py.c

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C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup bpygpu
*
* - Use `bpygpu_` for local API.
* - Use `BPyGPU` for public API.
*/
#include <Python.h>
#include "GPU_init_exit.h"
#include "GPU_primitive.h"
#include "GPU_texture.h"
#include "../generic/py_capi_utils.h"
#include "gpu_py.h" /* own include */
/* -------------------------------------------------------------------- */
/** \name GPU Enums
* \{ */
struct PyC_StringEnumItems bpygpu_primtype_items[] = {
{GPU_PRIM_POINTS, "POINTS"},
{GPU_PRIM_LINES, "LINES"},
{GPU_PRIM_TRIS, "TRIS"},
{GPU_PRIM_LINE_STRIP, "LINE_STRIP"},
{GPU_PRIM_LINE_LOOP, "LINE_LOOP"},
{GPU_PRIM_TRI_STRIP, "TRI_STRIP"},
{GPU_PRIM_TRI_FAN, "TRI_FAN"},
{GPU_PRIM_LINES_ADJ, "LINES_ADJ"},
{GPU_PRIM_TRIS_ADJ, "TRIS_ADJ"},
{GPU_PRIM_LINE_STRIP_ADJ, "LINE_STRIP_ADJ"},
{0, NULL},
};
struct PyC_StringEnumItems bpygpu_dataformat_items[] = {
{GPU_DATA_FLOAT, "FLOAT"},
{GPU_DATA_INT, "INT"},
{GPU_DATA_UINT, "UINT"},
{GPU_DATA_UBYTE, "UBYTE"},
{GPU_DATA_UINT_24_8, "UINT_24_8"},
{GPU_DATA_10_11_11_REV, "10_11_11_REV"},
{0, NULL},
};
/** \} */
/* -------------------------------------------------------------------- */
/** \name Utilities
* \{ */
static const char g_error[] = "GPU API is not available in background mode";
static PyObject *py_error__ml_meth(PyObject *UNUSED(self), PyObject *UNUSED(args))
{
PyErr_SetString(PyExc_SystemError, g_error);
return NULL;
}
static PyObject *py_error__getter(PyObject *UNUSED(self), void *UNUSED(type))
{
PyErr_SetString(PyExc_SystemError, g_error);
return NULL;
}
static int py_error__setter(PyObject *UNUSED(self), PyObject *UNUSED(value), void *UNUSED(type))
{
PyErr_SetString(PyExc_SystemError, g_error);
return -1;
}
static PyObject *py_error__tp_new(PyTypeObject *UNUSED(type),
PyObject *UNUSED(args),
PyObject *UNUSED(kwds))
{
PyErr_SetString(PyExc_SystemError, g_error);
return NULL;
}
PyObject *bpygpu_create_module(PyModuleDef *module_type)
{
if (!GPU_is_init() && module_type->m_methods) {
/* Replace all methods with an error method.
* That way when the method is called, an error will appear instead. */
for (PyMethodDef *meth = module_type->m_methods; meth->ml_name; meth++) {
meth->ml_meth = py_error__ml_meth;
}
}
PyObject *module = PyModule_Create(module_type);
return module;
}
int bpygpu_finalize_type(PyTypeObject *py_type)
{
if (!GPU_is_init()) {
if (py_type->tp_methods) {
/* Replace all methods with an error method. */
for (PyMethodDef *meth = py_type->tp_methods; meth->ml_name; meth++) {
meth->ml_meth = py_error__ml_meth;
}
}
if (py_type->tp_getset) {
/* Replace all getters and setter with a functions that always returns error. */
for (PyGetSetDef *getset = py_type->tp_getset; getset->name; getset++) {
getset->get = py_error__getter;
getset->set = py_error__setter;
}
}
if (py_type->tp_new) {
/* If initialized, return error. */
py_type->tp_new = py_error__tp_new;
}
}
return PyType_Ready(py_type);
}
/** \} */