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cgl.cpp
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cgl.cpp
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/*
This file is part of Magnum.
Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019,
2020, 2021, 2022 Vladimír Vondruš <mosra@centrum.cz>
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <pybind11/pybind11.h>
#include <Magnum/Platform/WindowlessCglApplication.h>
#include <Magnum/Platform/GLContext.h>
#include "magnum/bootstrap.h"
#include "magnum/platform/windowlessapplication.h"
#include "magnum/platform/holder.h"
namespace magnum { namespace platform {
namespace {
int argc = 0;
}
void cgl(py::module_& m) {
m.doc() = "CGL-based platform integration";
struct PyWindowlessApplication: Platform::WindowlessApplication {
explicit PyWindowlessApplication(const Configuration& configuration = Configuration{}): Platform::WindowlessApplication{Arguments{argc, nullptr}, configuration} {}
int exec() override {
#ifdef __clang__
/* ugh pybind don't tell me I AM THE FIRST ON EARTH to get a
warning here. Why there's no PYBIND11_OVERLOAD_PURE_NAME_ARG()
variant *with* arguments and one without? */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wgnu-zero-variadic-macro-arguments"
#endif
PYBIND11_OVERLOAD_PURE_NAME(
int,
PyWindowlessApplication,
"exec",
);
#ifdef __clang__
#pragma GCC diagnostic pop
#endif
}
/* The base doesn't have a virtual destructor because in C++ it's never
deleted through a pointer to the base. Here we need it, though. */
virtual ~PyWindowlessApplication() = default;
};
py::class_<PyWindowlessApplication, ApplicationHolder<PyWindowlessApplication>> windowlessGlxApplication{m, "WindowlessApplication", "Windowless CGL application"};
windowlessapplication(windowlessGlxApplication);
/* Exposing a subclass to avoid the same type being exposed in multiple
(glx, egl...) modules. */
struct PyContext: Platform::GLContext {};
py::class_<PyContext> glContext{m, "Context", "CGL-specific Magnum OpenGL context"};
context(glContext);
}
}}
#ifndef MAGNUM_BUILD_STATIC
/* TODO: remove declaration when https://github.com/pybind/pybind11/pull/1863
is released */
extern "C" PYBIND11_EXPORT PyObject* PyInit_cgl();
PYBIND11_MODULE(cgl, m) {
magnum::platform::cgl(m);
}
#endif