In most (cases functions returning a PyObject pointer requires it to be used by the caller, declare functions in the Python API with the `nodiscard` attribute.
54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
/* SPDX-FileCopyrightText: 2023 Blender Authors
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
/** \file
|
|
* \ingroup bpygpu
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <Python.h>
|
|
|
|
#include "BLI_sys_types.h"
|
|
|
|
extern PyTypeObject BPyGPU_BufferType;
|
|
|
|
#define BPyGPU_Buffer_Check(v) (Py_TYPE(v) == &BPyGPU_BufferType)
|
|
|
|
/**
|
|
* Buffer Object
|
|
*
|
|
* For Python access to GPU functions requiring a pointer.
|
|
*/
|
|
struct BPyGPUBuffer {
|
|
PyObject_VAR_HEAD
|
|
PyObject *parent;
|
|
|
|
int format;
|
|
int shape_len;
|
|
Py_ssize_t *shape;
|
|
|
|
union {
|
|
char *as_byte;
|
|
int *as_int;
|
|
uint *as_uint;
|
|
float *as_float;
|
|
|
|
void *as_void;
|
|
} buf;
|
|
};
|
|
|
|
[[nodiscard]] size_t bpygpu_Buffer_size(BPyGPUBuffer *buffer);
|
|
/**
|
|
* Create a buffer object
|
|
*
|
|
* \param shape: An array of `shape_len` integers representing the size of each dimension.
|
|
* \param buffer: When not NULL holds a contiguous buffer
|
|
* with the correct format from which the buffer will be initialized
|
|
*/
|
|
[[nodiscard]] BPyGPUBuffer *BPyGPU_Buffer_CreatePyObject(int format,
|
|
const Py_ssize_t *shape,
|
|
int shape_len,
|
|
void *buffer);
|