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fix fps settings

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Stepanov Igor 2025-10-18 00:43:13 +03:00
parent 686a20cc81
commit 14829f827c
3 changed files with 18 additions and 2 deletions
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16
src/window/detail/SDLWindow.cpp
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@ -18,6 +18,7 @@
#include "graphics/core/ImageData.hpp"
#include "graphics/core/Texture.hpp"
#include "settings.hpp"
#include "util/platform.hpp"
#include "window/Window.hpp"
#include "window/detail/SDLInput.hpp"
@ -231,6 +232,17 @@ SDLWindow::~SDLWindow() {
}
void SDLWindow::swapBuffers() noexcept {
if (framerate > 0) {
auto elapsedTime = time() - prevSwap;
auto frameTime = 1.0 / framerate;
if (elapsedTime < frameTime) {
platform::sleep(
static_cast<size_t>((frameTime - elapsedTime) * 1000)
);
}
prevSwap = time();
}
if (!SDL_GL_SwapWindow(window)) [[unlikely]] { // C++20 needed
logger.error() << "Cant swap buffer: " << SDL_GetError();
}
@ -425,10 +437,10 @@ double SDLWindow::time() {
}
void SDLWindow::setFramerate(int framerate) {
/*todo*/
if (!SDL_GL_SetSwapInterval(framerate)) {
if (!SDL_GL_SetSwapInterval(framerate == -1)) {
logger.error() << "Failed to set framerate: " << SDL_GetError();
}
this->framerate = framerate;
}
// todo: move somewhere