mirror of
https://github.com/cocos/cocos-engine.git
synced 2026-09-07 00:02:53 +08:00
103 lines
3.2 KiB
C++
103 lines
3.2 KiB
C++
/****************************************************************************
|
|
Copyright (c) 2021-2022 Xiamen Yaji Software Co., Ltd.
|
|
|
|
http://www.cocos.com
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated engine source code (the "Software"), a limited,
|
|
worldwide, royalty-free, non-assignable, revocable and non-exclusive license
|
|
to use Cocos Creator solely to develop games on your target platforms. You shall
|
|
not use Cocos Creator software for developing other software or tools that's
|
|
used for developing games. You are not granted to publish, distribute,
|
|
sublicense, and/or sell copies of Cocos Creator.
|
|
|
|
The software or tools in this License Agreement are licensed, not sold.
|
|
Xiamen Yaji Software Co., Ltd. reserves all rights not expressly granted to you.
|
|
|
|
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 "platform/linux/LinuxPlatform.h"
|
|
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
|
|
#include "platform/interfaces/OSInterface.h"
|
|
#include "platform/interfaces/modules/ISystemWindow.h"
|
|
#include "platform/SDLHelper.h"
|
|
|
|
namespace {
|
|
|
|
} // namespace
|
|
|
|
namespace cc {
|
|
LinuxPlatform::LinuxPlatform() {
|
|
_sdl = std::make_unique<SDLHelper>(this);
|
|
}
|
|
LinuxPlatform::~LinuxPlatform() {
|
|
}
|
|
|
|
int32_t LinuxPlatform::init() {
|
|
UniversalPlatform::init();
|
|
return _sdl->init() ? 0 : -1;
|
|
}
|
|
|
|
static long getCurrentMillSecond() {
|
|
long lLastTime;
|
|
struct timeval stCurrentTime;
|
|
|
|
gettimeofday(&stCurrentTime, NULL);
|
|
lLastTime = stCurrentTime.tv_sec * 1000 + stCurrentTime.tv_usec * 0.001; // milliseconds
|
|
return lLastTime;
|
|
}
|
|
|
|
int32_t LinuxPlatform::loop() {
|
|
long lastTime = 0L;
|
|
long curTime = 0L;
|
|
long desiredInterval = 0L;
|
|
long actualInterval = 0L;
|
|
onResume();
|
|
while (!_quit) {
|
|
curTime = getCurrentMillSecond();
|
|
desiredInterval = static_cast<long>(1000.0 / getFps());
|
|
pollEvent();
|
|
actualInterval = curTime - lastTime;
|
|
if (actualInterval >= desiredInterval) {
|
|
lastTime = getCurrentMillSecond();
|
|
runTask();
|
|
_sdl->swapWindow();
|
|
} else {
|
|
usleep((desiredInterval - curTime + lastTime) * 1000);
|
|
}
|
|
}
|
|
|
|
onDestory();
|
|
return 0;
|
|
}
|
|
|
|
void LinuxPlatform::pollEvent() {
|
|
_sdl->pollEvent(&_quit);
|
|
}
|
|
|
|
bool LinuxPlatform::createWindow(const char *title,
|
|
int x, int y, int w,
|
|
int h, int flags) {
|
|
return _sdl->createWindow(title, x, y, w, h, flags);
|
|
}
|
|
|
|
uintptr_t LinuxPlatform::getWindowHandler() const {
|
|
return _sdl->getWindowHandler();
|
|
}
|
|
|
|
uintptr_t LinuxPlatform::getDisplay() const {
|
|
return _sdl->getDisplay();
|
|
}
|
|
|
|
} // namespace cc
|