Switching vsync to custom thread.

This commit is contained in:
Ben Vanik
2015-05-25 21:12:27 -07:00
parent e3ddcd44e7
commit 41cee3d337
9 changed files with 57 additions and 41 deletions

View File

@@ -35,7 +35,6 @@ using namespace xe::cpu;
uint32_t next_xthread_id = 0;
thread_local XThread* current_thread_tls = nullptr;
xe::mutex critical_region_;
XThread* shared_kernel_thread_ = 0;
XThread::XThread(KernelState* kernel_state, uint32_t stack_size,
uint32_t xapi_thread_startup, uint32_t start_address,
@@ -97,18 +96,14 @@ XThread::~XThread() {
}
}
bool XThread::IsInThread(XThread* other) {
return current_thread_tls == other;
}
XThread* XThread::GetCurrentThread() {
XThread* thread = current_thread_tls;
if (!thread) {
// Assume this is some shared interrupt thread/etc.
XThread::EnterCriticalRegion();
thread = shared_kernel_thread_;
if (!thread) {
thread = new XThread(KernelState::shared(), 256 * 1024, 0, 0, 0, 0);
shared_kernel_thread_ = thread;
current_thread_tls = thread;
}
XThread::LeaveCriticalRegion();
assert_always("Attempting to use kernel stuff from a non-kernel thread");
}
return thread;
}
@@ -496,7 +491,7 @@ void XThread::DeliverAPCs(void* data) {
apc_address, thread->scratch_address_ + 0, thread->scratch_address_ + 4,
thread->scratch_address_ + 8, thread->scratch_address_ + 12,
};
processor->ExecuteInterrupt(0, kernel_routine, kernel_args,
processor->ExecuteInterrupt(kernel_routine, kernel_args,
xe::countof(kernel_args));
normal_routine = xe::load_and_swap<uint32_t>(scratch_ptr + 0);
normal_context = xe::load_and_swap<uint32_t>(scratch_ptr + 4);
@@ -509,7 +504,7 @@ void XThread::DeliverAPCs(void* data) {
thread->UnlockApc();
// normal_routine(normal_context, system_arg1, system_arg2)
uint64_t normal_args[] = {normal_context, system_arg1, system_arg2};
processor->ExecuteInterrupt(0, normal_routine, normal_args,
processor->ExecuteInterrupt(normal_routine, normal_args,
xe::countof(normal_args));
thread->LockApc();
}
@@ -534,7 +529,7 @@ void XThread::RundownAPCs() {
if (rundown_routine) {
// rundown_routine(apc)
uint64_t args[] = {apc_address};
kernel_state()->processor()->ExecuteInterrupt(0, rundown_routine, args,
kernel_state()->processor()->ExecuteInterrupt(rundown_routine, args,
xe::countof(args));
}
}
@@ -582,6 +577,11 @@ void XThread::SetAffinity(uint32_t affinity) {
}
}
void XThread::SetActiveCpu(uint32_t cpu_index) {
uint8_t* pcr = memory()->TranslateVirtual(pcr_address_);
xe::store_and_swap<uint8_t>(pcr + 0x10C, cpu_index);
}
X_STATUS XThread::Resume(uint32_t* out_suspend_count) {
DWORD result = ResumeThread(thread_handle_);
if (result >= 0) {

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@@ -31,6 +31,7 @@ class XThread : public XObject {
uint32_t start_context, uint32_t creation_flags);
virtual ~XThread();
static bool IsInThread(XThread* other);
static XThread* GetCurrentThread();
static uint32_t GetCurrentThreadHandle();
static uint32_t GetCurrentThreadId(const uint8_t* pcr);
@@ -61,6 +62,7 @@ class XThread : public XObject {
int32_t QueryPriority();
void SetPriority(int32_t increment);
void SetAffinity(uint32_t affinity);
void SetActiveCpu(uint32_t cpu_index);
X_STATUS Resume(uint32_t* out_suspend_count = nullptr);
X_STATUS Suspend(uint32_t* out_suspend_count);