Python GPU: New 'platform' module

This module exposes the platform utils defined in the GPU module in C.

This will be useful for porting existing code with `bgl` to `gpu`.

Reviewed By: fclem, brecht, campbellbarton

Maniphest Tasks: T80730

Part of D11147

source/blender/python/gpu/CMakeLists.txt

@@ -42,6 +42,7 @@ set(SRC
   gpu_py_framebuffer.c
   gpu_py_matrix.c
   gpu_py_offscreen.c
+  gpu_py_platform.c
   gpu_py_select.c
   gpu_py_shader.c
   gpu_py_state.c
@@ -60,6 +61,7 @@ set(SRC
   gpu_py_framebuffer.h
   gpu_py_matrix.h
   gpu_py_offscreen.h
+  gpu_py_platform.h
   gpu_py_select.h
   gpu_py_shader.h
   gpu_py_state.h

source/blender/python/gpu/gpu_py_api.c

@@ -32,6 +32,7 @@
 
 #include "gpu_py_capabilities.h"
 #include "gpu_py_matrix.h"
+#include "gpu_py_platform.h"
 #include "gpu_py_select.h"
 #include "gpu_py_state.h"
 #include "gpu_py_types.h"
@@ -68,6 +69,9 @@ PyObject *BPyInit_gpu(void)
   PyModule_AddObject(mod, "matrix", (submodule = bpygpu_matrix_init()));
   PyDict_SetItem(sys_modules, PyModule_GetNameObject(submodule), submodule);
 
+  PyModule_AddObject(mod, "platform", (submodule = bpygpu_platform_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);
 

source/blender/python/gpu/gpu_py_platform.c

@@ -0,0 +1,81 @@
+/*
+ * 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
+ *
+ * - Use ``bpygpu_`` for local API.
+ * - Use ``BPyGPU`` for public API.
+ */
+
+#include <Python.h>
+
+#include "BLI_utildefines.h"
+
+#include "GPU_platform.h"
+
+#include "gpu_py_platform.h" /* own include */
+
+/* -------------------------------------------------------------------- */
+/** \name Functions
+ * \{ */
+
+static PyObject *pygpu_platform_vendor_get(PyObject *UNUSED(self), PyObject *value)
+{
+  return PyUnicode_FromString(GPU_platform_vendor());
+}
+
+static PyObject *pygpu_platform_renderer_get(PyObject *UNUSED(self), PyObject *value)
+{
+  return PyUnicode_FromString(GPU_platform_renderer());
+}
+
+static PyObject *pygpu_platform_version_get(PyObject *UNUSED(self), PyObject *value)
+{
+  return PyUnicode_FromString(GPU_platform_version());
+}
+
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Module
+ * \{ */
+
+static struct PyMethodDef pygpu_platform__tp_methods[] = {
+    {"vendor_get", (PyCFunction)pygpu_platform_vendor_get, METH_NOARGS, NULL},
+    {"renderer_get", (PyCFunction)pygpu_platform_renderer_get, METH_NOARGS, NULL},
+    {"version_get", (PyCFunction)pygpu_platform_version_get, METH_NOARGS, NULL},
+    {NULL, NULL, 0, NULL},
+};
+
+PyDoc_STRVAR(pygpu_platform__tp_doc, "This module provides access to GPU Platform definitions.");
+static PyModuleDef pygpu_platform_module_def = {
+    PyModuleDef_HEAD_INIT,
+    .m_name = "gpu.platform",
+    .m_doc = pygpu_platform__tp_doc,
+    .m_methods = pygpu_platform__tp_methods,
+};
+
+PyObject *bpygpu_platform_init(void)
+{
+  PyObject *submodule;
+
+  submodule = PyModule_Create(&pygpu_platform_module_def);
+
+  return submodule;
+}
+
+/** \} */

source/blender/python/gpu/gpu_py_platform.h

@@ -0,0 +1,23 @@
+/*
+ * 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
+ */
+
+#pragma once
+
+PyObject *bpygpu_platform_init(void);