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remove vsync_interval; replace with vsync_fps.

This commit is contained in:
disjtqz 2023-09-18 17:57:57 -04:00 committed by Radosław Gliński
parent 911055c44f
commit 294b968fdf
3 changed files with 17 additions and 10 deletions
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3
src/xenia/gpu/gpu_flags.cc
View File

@ -20,8 +20,7 @@ DEFINE_path(
DEFINE_bool(vsync, true, "Enable VSYNC.", "GPU");
DEFINE_uint64(vsync_interval, 16,
"VSYNC interval. Value is frametime in milliseconds.", "GPU");
DEFINE_uint64(vsync_fps, 60, "VSYNC frames per second", "GPU");
DEFINE_bool(
gpu_allow_invalid_fetch_constants, false,

2
src/xenia/gpu/gpu_flags.h
View File

@ -18,7 +18,7 @@ DECLARE_path(dump_shaders);
DECLARE_bool(vsync);
DECLARE_uint64(vsync_interval);
DECLARE_uint64(vsync_fps);
DECLARE_bool(gpu_allow_invalid_fetch_constants);

22
src/xenia/gpu/graphics_system.cc
View File

@ -104,18 +104,26 @@ X_STATUS GraphicsSystem::Setup(cpu::Processor* processor,
vsync_worker_running_ = true;
vsync_worker_thread_ = kernel::object_ref<kernel::XHostThread>(
new kernel::XHostThread(kernel_state_, 128 * 1024, 0, [this]() {
uint64_t vsync_duration =
cvars::vsync ? std::max<uint64_t>(5, cvars::vsync_interval) : 1;
double vsync_duration_d =
cvars::vsync
? std::max<double>(
5.0, 1000.0 / static_cast<double>(cvars::vsync_fps))
: 1.0;
uint64_t last_frame_time = Clock::QueryGuestTickCount();
while (vsync_worker_running_) {
uint64_t current_time = Clock::QueryGuestTickCount();
uint64_t elapsed = (current_time - last_frame_time) /
(Clock::guest_tick_frequency() / 1000);
if (elapsed >= vsync_duration) {
uint64_t tick_freq = Clock::guest_tick_frequency();
uint64_t time_delta = current_time - last_frame_time;
double elapsed_d = static_cast<double>(time_delta) /
(static_cast<double>(tick_freq) / 1000.0);
if (elapsed_d >= vsync_duration_d) {
MarkVblank();
last_frame_time = current_time;
}
xe::threading::Sleep(std::chrono::milliseconds(1));
if (!cvars::vsync) {
xe::threading::Sleep(std::chrono::milliseconds(1));
}
}
return 0;
}));
@ -123,7 +131,7 @@ X_STATUS GraphicsSystem::Setup(cpu::Processor* processor,
vsync_worker_thread_->set_can_debugger_suspend(true);
vsync_worker_thread_->set_name("GPU VSync");
vsync_worker_thread_->Create();
vsync_worker_thread_->thread()->set_priority(threading::ThreadPriority::kLowest);
if (cvars::trace_gpu_stream) {
BeginTracing();
}