mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-22 05:27:20 +00:00
[client] use SDL_SetEventFilter for better mouse performance
This partially resolves lag issues on hosts running the amdgpu driver. If mouse caputure is enable the lag issue returns, this is because SDL calls `XSync` in `X11_WarpMouse` and `X11_WarpMouseGlobal`, if these calls are removed all input lag issues dissapear. This issue has been reported to SDL as the calls to `XSync` are not required per the xlib documentation.
This commit is contained in:
Geoffrey McRae
parent
3d9d275d61
commit
37ea662998
219
client/main.c
219
client/main.c
@ -177,7 +177,7 @@ static inline void updatePositionInfo()
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state.lgr->on_resize(state.lgrData, w, h, state.dstRect);
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}
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void mainThread()
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int renderThread(void * unused)
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{
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while(state.running)
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{
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@ -189,6 +189,8 @@ void mainThread()
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else
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usleep(1000);
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}
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return 0;
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}
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int cursorThread(void * unused)
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@ -418,36 +420,22 @@ static inline const uint32_t mapScancode(SDL_Scancode scancode)
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return ps2;
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}
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int eventThread(void * arg)
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struct eventState
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{
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bool serverMode = false;
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bool realignGuest = true;
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bool serverMode;
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bool realignGuest;
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bool keyDown[SDL_NUM_SCANCODES];
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};
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memset(keyDown, 0, sizeof(keyDown));
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// ensure mouse acceleration is identical in server mode
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SDL_SetHintWithPriority(SDL_HINT_MOUSE_RELATIVE_MODE_WARP, "1", SDL_HINT_OVERRIDE);
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while(state.running)
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int eventFilter(void * userdata, SDL_Event * event)
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{
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SDL_Event event;
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if (!SDL_PollEvent(&event))
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{
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usleep(1000);
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continue;
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}
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static bool serverMode = false;
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static bool realignGuest = true;
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static bool keyDown[SDL_NUM_SCANCODES] = {false};
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switch(event.type)
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if (event->type == SDL_WINDOWEVENT)
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{
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case SDL_QUIT:
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if (!params.ignoreQuit)
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state.running = false;
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break;
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case SDL_WINDOWEVENT:
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{
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switch(event.window.event)
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switch(event->window.event)
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{
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case SDL_WINDOWEVENT_ENTER:
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realignGuest = true;
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@ -458,26 +446,80 @@ int eventThread(void * arg)
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realignGuest = true;
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break;
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}
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return 0;
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}
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if (!params.useSpice)
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return 1;
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switch(event->type)
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{
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case SDL_MOUSEMOTION:
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{
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if (
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!serverMode && (
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event->motion.x < state.dstRect.x ||
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event->motion.x > state.dstRect.x + state.dstRect.w ||
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event->motion.y < state.dstRect.y ||
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event->motion.y > state.dstRect.y + state.dstRect.h
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)
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)
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{
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realignGuest = true;
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break;
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}
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int x = 0;
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int y = 0;
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if (realignGuest && state.haveCursorPos)
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{
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x = event->motion.x - state.dstRect.x;
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y = event->motion.y - state.dstRect.y;
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if (params.scaleMouseInput)
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{
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x = (float)x * state.scaleX;
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y = (float)y * state.scaleY;
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}
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x -= state.cursor.x;
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y -= state.cursor.y;
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realignGuest = false;
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if (!spice_mouse_motion(x, y))
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DEBUG_ERROR("SDL_MOUSEMOTION: failed to send message");
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break;
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}
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x = event->motion.xrel;
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y = event->motion.yrel;
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if (x != 0 || y != 0)
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{
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if (params.scaleMouseInput)
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{
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x = (float)x * state.scaleX;
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y = (float)y * state.scaleY;
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}
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if (!spice_mouse_motion(x, y))
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{
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DEBUG_ERROR("SDL_MOUSEMOTION: failed to send message");
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break;
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}
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}
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if (!params.useSpice)
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continue;
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break;
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}
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switch(event.type)
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{
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case SDL_KEYDOWN:
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{
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SDL_Scancode sc = event.key.keysym.scancode;
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SDL_Scancode sc = event->key.keysym.scancode;
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if (sc == SDL_SCANCODE_SCROLLLOCK)
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{
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if (event.key.repeat)
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if (event->key.repeat)
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break;
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serverMode = !serverMode;
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spice_mouse_mode(serverMode);
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SDL_SetRelativeMouseMode(serverMode);
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DEBUG_INFO("Server Mode: %s", serverMode ? "on" : "off");
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if (!serverMode)
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realignGuest = true;
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@ -500,7 +542,7 @@ int eventThread(void * arg)
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case SDL_KEYUP:
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{
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SDL_Scancode sc = event.key.keysym.scancode;
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SDL_Scancode sc = event->key.keysym.scancode;
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if (sc == SDL_SCANCODE_SCROLLLOCK)
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break;
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@ -524,8 +566,8 @@ int eventThread(void * arg)
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case SDL_MOUSEWHEEL:
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if (
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!spice_mouse_press (event.wheel.y == 1 ? 4 : 5) ||
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!spice_mouse_release(event.wheel.y == 1 ? 4 : 5)
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!spice_mouse_press (event->wheel.y == 1 ? 4 : 5) ||
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!spice_mouse_release(event->wheel.y == 1 ? 4 : 5)
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)
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{
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DEBUG_ERROR("SDL_MOUSEWHEEL: failed to send messages");
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@ -533,66 +575,13 @@ int eventThread(void * arg)
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}
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break;
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case SDL_MOUSEMOTION:
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{
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if (
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!serverMode && (
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event.motion.x < state.dstRect.x ||
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event.motion.x > state.dstRect.x + state.dstRect.w ||
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event.motion.y < state.dstRect.y ||
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event.motion.y > state.dstRect.y + state.dstRect.h
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)
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)
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{
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realignGuest = true;
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break;
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}
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int x = 0;
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int y = 0;
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if (realignGuest && state.haveCursorPos)
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{
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x = event.motion.x - state.dstRect.x;
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y = event.motion.y - state.dstRect.y;
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if (params.scaleMouseInput)
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{
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x = (float)x * state.scaleX;
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y = (float)y * state.scaleY;
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}
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x -= state.cursor.x;
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y -= state.cursor.y;
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realignGuest = false;
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if (!spice_mouse_motion(x, y))
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DEBUG_ERROR("SDL_MOUSEMOTION: failed to send message");
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break;
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}
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x = event.motion.xrel;
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y = event.motion.yrel;
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if (x != 0 || y != 0)
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{
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if (params.scaleMouseInput)
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{
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x = (float)x * state.scaleX;
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y = (float)y * state.scaleY;
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}
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if (!spice_mouse_motion(x, y))
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{
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DEBUG_ERROR("SDL_MOUSEMOTION: failed to send message");
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break;
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}
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}
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break;
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}
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case SDL_MOUSEBUTTONDOWN:
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// The SPICE protocol doesn't support more than a standard PS/2 3 button mouse
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if (event.button.button > 3)
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if (event->button.button > 3)
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break;
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if (
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!spice_mouse_position(event.button.x, event.button.y) ||
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!spice_mouse_press(event.button.button)
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!spice_mouse_position(event->button.x, event->button.y) ||
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!spice_mouse_press(event->button.button)
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)
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{
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DEBUG_ERROR("SDL_MOUSEBUTTONDOWN: failed to send message");
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@ -602,11 +591,11 @@ int eventThread(void * arg)
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case SDL_MOUSEBUTTONUP:
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// The SPICE protocol doesn't support more than a standard PS/2 3 button mouse
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if (event.button.button > 3)
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if (event->button.button > 3)
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break;
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if (
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!spice_mouse_position(event.button.x, event.button.y) ||
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!spice_mouse_release(event.button.button)
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!spice_mouse_position(event->button.x, event->button.y) ||
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!spice_mouse_release(event->button.button)
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)
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{
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DEBUG_ERROR("SDL_MOUSEBUTTONUP: failed to send message");
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@ -615,8 +604,7 @@ int eventThread(void * arg)
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break;
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default:
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break;
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}
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return 1;
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}
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return 0;
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@ -851,7 +839,7 @@ int run()
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}
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SDL_Thread *t_spice = NULL;
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SDL_Thread *t_event = NULL;
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SDL_Thread *t_main = NULL;
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while(1)
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{
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@ -885,12 +873,6 @@ int run()
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}
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}
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if (!(t_event = SDL_CreateThread(eventThread, "eventThread", NULL)))
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{
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DEBUG_ERROR("event create thread failed");
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break;
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}
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// flag the host that we are starting up this is important so that
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// the host wakes up if it is waiting on an interrupt, the host will
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// also send us the current mouse shape since we won't know it yet
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@ -914,26 +896,48 @@ int run()
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break;
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}
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if (!(t_event = SDL_CreateThread(cursorThread, "cursorThread", NULL)))
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if (!(t_main = SDL_CreateThread(cursorThread, "cursorThread", NULL)))
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{
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DEBUG_ERROR("cursor create thread failed");
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break;
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}
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if (!(t_event = SDL_CreateThread(frameThread, "frameThread", NULL)))
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if (!(t_main = SDL_CreateThread(frameThread, "frameThread", NULL)))
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{
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DEBUG_ERROR("frame create thread failed");
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break;
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}
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mainThread();
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if (!(t_main = SDL_CreateThread(renderThread, "renderThread", NULL)))
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{
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DEBUG_ERROR("render create thread failed");
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break;
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}
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// ensure mouse acceleration is identical in server mode
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SDL_SetHintWithPriority(SDL_HINT_MOUSE_RELATIVE_MODE_WARP, "1", SDL_HINT_OVERRIDE);
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SDL_SetEventFilter(eventFilter, NULL);
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while(state.running)
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{
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SDL_Event event;
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while(SDL_PollEvent(&event))
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if (event.type == SDL_QUIT)
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{
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if (!params.ignoreQuit)
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state.running = false;
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break;
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}
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}
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break;
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}
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state.running = false;
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if (t_event)
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SDL_WaitThread(t_event, NULL);
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if (t_main)
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SDL_WaitThread(t_main, NULL);
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if (t_spice)
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SDL_WaitThread(t_spice, NULL);
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@ -1422,6 +1426,5 @@ int main(int argc, char * argv[])
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free(opts->argv);
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}
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return ret;
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}
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