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[all] provide conditional path optimization hints to the compiler

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This commit is contained in:
Geoffrey McRae
2023-11-12 18:26:08 +11:00
parent 7bea919352
commit 929e88b9d3
8 changed files with 117 additions and 94 deletions
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61
host/src/app.c
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@@ -927,14 +927,16 @@ int app_main(int argc, char * argv[])
}
}
while(app.state != APP_STATE_SHUTDOWN && (
while(likely(app.state != APP_STATE_SHUTDOWN && (
lgmpHostQueueHasSubs(app.pointerQueue) ||
lgmpHostQueueHasSubs(app.frameQueue)))
lgmpHostQueueHasSubs(app.frameQueue))))
{
if (app.state == APP_STATE_RESTART || app.state == APP_STATE_REINIT)
if (unlikely(
app.state == APP_STATE_RESTART ||
app.state == APP_STATE_REINIT))
break;
if (lgmpHostQueueNewSubs(app.pointerQueue) > 0)
if (unlikely(lgmpHostQueueNewSubs(app.pointerQueue) > 0))
{
LG_LOCK(app.pointerLock);
sendPointer(true);
@@ -951,32 +953,37 @@ int app_main(int argc, char * argv[])
}
const uint64_t captureStart = microtime();
switch(app.iface->capture())
const CaptureResult result = app.iface->capture();
if (likely(result == CAPTURE_RESULT_OK))
previousFrameTime = captureStart;
else if (likely(result == CAPTURE_RESULT_TIMEOUT))
{
case CAPTURE_RESULT_OK:
previousFrameTime = captureStart;
break;
if (!app.iface->asyncCapture)
if (unlikely(app.frameValid &&
lgmpHostQueueNewSubs(app.frameQueue) > 0))
{
LGMP_STATUS status;
if ((status = lgmpHostQueuePost(app.frameQueue, 0,
app.frameMemory[app.frameIndex])) != LGMP_OK)
DEBUG_ERROR("%s", lgmpStatusString(status));
}
}
else
{
switch(result)
{
case CAPTURE_RESULT_REINIT:
app.state = APP_STATE_RESTART;
continue;
case CAPTURE_RESULT_TIMEOUT:
if (!app.iface->asyncCapture)
if (app.frameValid && lgmpHostQueueNewSubs(app.frameQueue) > 0)
{
LGMP_STATUS status;
if ((status = lgmpHostQueuePost(app.frameQueue, 0,
app.frameMemory[app.frameIndex])) != LGMP_OK)
DEBUG_ERROR("%s", lgmpStatusString(status));
}
case CAPTURE_RESULT_ERROR:
DEBUG_ERROR("Capture interface reported a fatal error");
exitcode = LG_HOST_EXIT_FAILED;
goto fail_capture;
continue;
case CAPTURE_RESULT_REINIT:
app.state = APP_STATE_RESTART;
continue;
case CAPTURE_RESULT_ERROR:
DEBUG_ERROR("Capture interface reported a fatal error");
exitcode = LG_HOST_EXIT_FAILED;
goto fail_capture;
default:
DEBUG_ASSERT("Invalid capture result");
}
}
if (!app.iface->asyncCapture)