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[host] windows: fix usage of MCSS and try to get priority "Capture"

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Geoffrey McRae 2022-01-06 20:14:55 +11:00
parent 2f8b139131
commit 34e5f7e968
2 changed files with 15 additions and 1 deletions
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1
host/platform/Windows/CMakeLists.txt
View file

@ -27,6 +27,7 @@ target_link_libraries(platform_Windows
shlwapi shlwapi
powrprof powrprof
rpcrt4 rpcrt4
avrt
) )
target_include_directories(platform_Windows target_include_directories(platform_Windows

15
host/platform/Windows/src/platform.c
View file

@ -32,6 +32,7 @@
#include <userenv.h> #include <userenv.h>
#include <winternl.h> #include <winternl.h>
#include <dwmapi.h> #include <dwmapi.h>
#include <avrt.h>
#include "interface/platform.h" #include "interface/platform.h"
#include "common/debug.h" #include "common/debug.h"
@ -60,6 +61,7 @@ struct AppState
UINT trayRestartMsg; UINT trayRestartMsg;
HMENU trayMenu; HMENU trayMenu;
HANDLE exitWait; HANDLE exitWait;
HANDLE taskHandle;
}; };
static struct AppState app = {0}; static struct AppState app = {0};
@ -450,6 +452,9 @@ finish:
free(app.argv[i]); free(app.argv[i]);
free(app.argv); free(app.argv);
if (app.taskHandle)
AvRevertMmThreadCharacteristics(app.taskHandle);
return result; return result;
} }
@ -479,7 +484,15 @@ void boostPriority(void)
DEBUG_INFO("looking-glass-host.exe InstallService"); DEBUG_INFO("looking-glass-host.exe InstallService");
} }
DwmEnableMMCSS(true); DWORD taskIndex = 0;
app.taskHandle =
AvSetMmThreadCharacteristicsA("Capture", &taskIndex);
if (!app.taskHandle)
DEBUG_WINERROR("AvSetMmThreadCharacteristicsA failed", GetLastError());
if (!AvSetMmThreadPriority(app.taskHandle, AVRT_PRIORITY_CRITICAL))
DEBUG_WINERROR("Failed to set thread priority", GetLastError());
} }
void CALLBACK exitEventCallback(PVOID opaque, BOOLEAN timedOut) void CALLBACK exitEventCallback(PVOID opaque, BOOLEAN timedOut)