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SDL: Use an "EmuThread" for Vulkan, send input event asynchonously from main thread

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This commit is contained in:
Henrik Rydgård 2023-09-29 19:10:51 +02:00
parent abdfe74c94
commit da801033f5
1 changed files with 17 additions and 16 deletions
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33
SDL/SDLMain.cpp
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@ -1398,7 +1398,7 @@ int main(int argc, char *argv[]) {
UpdateScreenScale(w * g_DesktopDPI, h * g_DesktopDPI);
bool useEmuThread = g_Config.iGPUBackend == (int)GPUBackend::OPENGL;
bool mainThreadIsRender = g_Config.iGPUBackend == (int)GPUBackend::OPENGL;
SDL_SetWindowTitle(window, (app_name_nice + " " + PPSSPP_GIT_VERSION).c_str());
@ -1431,11 +1431,6 @@ int main(int argc, char *argv[]) {
SDL_ShowCursor(SDL_DISABLE);
#endif
if (!useEmuThread) {
NativeInitGraphics(graphicsContext);
NativeResized();
}
// Ensure that the swap interval is set after context creation (needed for kmsdrm)
SDL_GL_SetSwapInterval(1);
@ -1448,9 +1443,8 @@ int main(int argc, char *argv[]) {
}
EnableFZ();
if (useEmuThread) {
EmuThreadStart(graphicsContext);
}
EmuThreadStart(graphicsContext);
graphicsContext->ThreadStart();
InputStateTracker inputTracker{};
@ -1460,7 +1454,17 @@ int main(int argc, char *argv[]) {
initializeOSXExtras();
#endif
while (true) {
if (!mainThreadIsRender) {
// We should only be a message pump
while (true) {
SDL_Event event;
while (SDL_PollEvent(&event)) {
ProcessSDLEvent(window, event, &inputTracker);
}
if (g_QuitRequested || g_RestartRequested)
break;
}
} else while (true) {
double startTime = time_now_d();
inputTracker.TranslateMouseWheel();
@ -1536,20 +1540,17 @@ int main(int argc, char *argv[]) {
}
}
if (useEmuThread) {
EmuThreadStop("shutdown");
EmuThreadStop("shutdown");
if (g_Config.iGPUBackend == (int)GPUBackend::OPENGL) {
while (graphicsContext->ThreadFrame()) {
// Need to keep eating frames to allow the EmuThread to exit correctly.
continue;
}
EmuThreadJoin();
}
EmuThreadJoin();
delete joystick;
if (!useEmuThread) {
NativeShutdownGraphics();
}
graphicsContext->ThreadEnd();
NativeShutdown();