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sunshine-sdk/src/platform/windows/display_base.cpp
pigeatgarlic 4b229873f3 format code
2023-12-20 20:19:43 +07:00

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/**
* @file src/platform/windows/display_base.cpp
* @brief todo
*/
#include <initguid.h>
#include <boost/process.hpp>
#include <cmath>
#include <codecvt>
// We have to include boost/process.hpp before display.h due to WinSock.h,
// but that prevents the definition of NTSTATUS so we must define it ourself.
typedef long NTSTATUS;
#include "display.h"
#include "misc.h"
#include "src/config.h"
#include "src/main.h"
#include "src/platform/common.h"
#include "src/video.h"
namespace platf {
using namespace std::literals;
}
namespace platf::dxgi {
namespace bp = boost::process;
capture_e duplication_t::next_frame(DXGI_OUTDUPL_FRAME_INFO &frame_info,
std::chrono::milliseconds timeout,
resource_t::pointer *res_p) {
auto capture_status = release_frame();
if (capture_status != capture_e::ok) {
return capture_status;
}
auto status = dup->AcquireNextFrame(timeout.count(), &frame_info, res_p);
switch (status) {
case S_OK:
// ProtectedContentMaskedOut seems to semi-randomly be TRUE or FALSE
// even when protected content is on screen the whole time, so we
// can't just print when it changes. Instead we'll keep track of the
// last time we printed the warning and print another if we haven't
// printed one recently.
if (frame_info.ProtectedContentMaskedOut &&
std::chrono::steady_clock::now() >
last_protected_content_warning_time + 10s) {
BOOST_LOG(warning)
<< "Windows is currently blocking DRM-protected content from capture. You may see black regions where this content would be."sv;
last_protected_content_warning_time =
std::chrono::steady_clock::now();
}
has_frame = true;
return capture_e::ok;
case DXGI_ERROR_WAIT_TIMEOUT:
return capture_e::timeout;
case WAIT_ABANDONED:
case DXGI_ERROR_ACCESS_LOST:
case DXGI_ERROR_ACCESS_DENIED:
return capture_e::reinit;
default:
BOOST_LOG(error) << "Couldn't acquire next frame [0x"sv
<< util::hex(status).to_string_view();
return capture_e::error;
}
}
capture_e duplication_t::reset(dup_t::pointer dup_p) {
auto capture_status = release_frame();
dup.reset(dup_p);
return capture_status;
}
capture_e duplication_t::release_frame() {
if (!has_frame) {
return capture_e::ok;
}
auto status = dup->ReleaseFrame();
has_frame = false;
switch (status) {
case S_OK:
return capture_e::ok;
case DXGI_ERROR_INVALID_CALL:
BOOST_LOG(warning) << "Duplication frame already released";
return capture_e::ok;
case DXGI_ERROR_ACCESS_LOST:
return capture_e::reinit;
default:
BOOST_LOG(error) << "Error while releasing duplication frame [0x"sv
<< util::hex(status).to_string_view();
return capture_e::error;
}
}
duplication_t::~duplication_t() { release_frame(); }
void display_base_t::high_precision_sleep(std::chrono::nanoseconds duration) {
if (!timer) {
BOOST_LOG(error)
<< "Attempting high_precision_sleep() with uninitialized timer";
return;
}
if (duration < 0s) {
BOOST_LOG(error)
<< "Attempting high_precision_sleep() with negative duration";
return;
}
if (duration > 5s) {
BOOST_LOG(error) << "Attempting high_precision_sleep() with "
"unexpectedly large duration (>5s)";
return;
}
LARGE_INTEGER due_time;
due_time.QuadPart = duration.count() / -100;
SetWaitableTimer(timer.get(), &due_time, 0, nullptr, nullptr, false);
WaitForSingleObject(timer.get(), INFINITE);
}
capture_e display_base_t::capture(
const push_captured_image_cb_t &push_captured_image_cb,
const pull_free_image_cb_t &pull_free_image_cb, bool *cursor) {
auto adjust_client_frame_rate = [&]() -> DXGI_RATIONAL {
// Adjust capture frame interval when display refresh rate is not
// integral but very close to requested fps.
if (display_refresh_rate.Denominator > 1) {
DXGI_RATIONAL candidate = display_refresh_rate;
if (client_frame_rate % display_refresh_rate_rounded == 0) {
candidate.Numerator *=
client_frame_rate / display_refresh_rate_rounded;
} else if (display_refresh_rate_rounded % client_frame_rate == 0) {
candidate.Denominator *=
display_refresh_rate_rounded / client_frame_rate;
}
double candidate_rate =
(double)candidate.Numerator / candidate.Denominator;
// Can only decrease requested fps, otherwise client may start
// accumulating frames and suffer increased latency.
if (client_frame_rate > candidate_rate &&
candidate_rate / client_frame_rate > 0.99) {
BOOST_LOG(info) << "Adjusted capture rate to " << candidate_rate
<< "fps to better match display";
return candidate;
}
}
return {(uint32_t)client_frame_rate, 1};
};
DXGI_RATIONAL client_frame_rate_adjusted = adjust_client_frame_rate();
std::optional<std::chrono::steady_clock::time_point>
frame_pacing_group_start;
uint32_t frame_pacing_group_frames = 0;
// Keep the display awake during capture. If the display goes to sleep
// during capture, best case is that capture stops until it powers back on.
// However, worst case it will trigger us to reinit DD, waking the display
// back up in a neverending cycle of waking and sleeping the display of an
// idle machine.
SetThreadExecutionState(ES_CONTINUOUS | ES_DISPLAY_REQUIRED);
auto clear_display_required =
util::fail_guard([]() { SetThreadExecutionState(ES_CONTINUOUS); });
// stat_trackers::min_max_avg_tracker<double> sleep_overshoot_tracker;
while (true) {
// This will return false if the HDR state changes or for any number of
// other display or GPU changes. We should reinit to examine the updated
// state of the display subsystem. It is recommended to call this once
// per frame.
if (!factory->IsCurrent()) {
return platf::capture_e::reinit;
}
platf::capture_e status = capture_e::ok;
std::shared_ptr<img_t> img_out;
// Try to continue frame pacing group, snapshot() is called with zero
// timeout after waiting for client frame interval
if (frame_pacing_group_start) {
const uint32_t seconds = (uint64_t)frame_pacing_group_frames *
client_frame_rate_adjusted.Denominator /
client_frame_rate_adjusted.Numerator;
const uint32_t remainder = (uint64_t)frame_pacing_group_frames *
client_frame_rate_adjusted.Denominator %
client_frame_rate_adjusted.Numerator;
const auto sleep_target = *frame_pacing_group_start +
std::chrono::nanoseconds(1s) * seconds +
std::chrono::nanoseconds(1s) * remainder /
client_frame_rate_adjusted.Numerator;
const auto sleep_period =
sleep_target - std::chrono::steady_clock::now();
if (sleep_period <= 0ns) {
// We missed next frame time, invalidating current frame pacing
// group
frame_pacing_group_start = std::nullopt;
frame_pacing_group_frames = 0;
status = capture_e::timeout;
} else {
high_precision_sleep(sleep_period);
// if (config::sunshine.min_log_level <= 1) {
// // Print sleep overshoot stats to debug log every 20
// seconds auto print_info = [&](double min_overshoot, double
// max_overshoot, double avg_overshoot) {
// auto f = stat_trackers::one_digit_after_decimal();
// BOOST_LOG(debug) << "Sleep overshoot (min/max/avg): " <<
// f % min_overshoot << "ms/" << f % max_overshoot << "ms/"
// << f % avg_overshoot << "ms";
// };
// std::chrono::nanoseconds overshoot_ns =
// std::chrono::steady_clock::now() - sleep_target;
// sleep_overshoot_tracker.collect_and_callback_on_interval(overshoot_ns.count()
// / 1000000., print_info, 20s);
// }
status = snapshot(pull_free_image_cb, img_out, 0ms, *cursor);
if (status == capture_e::ok && img_out) {
frame_pacing_group_frames += 1;
} else {
frame_pacing_group_start = std::nullopt;
frame_pacing_group_frames = 0;
}
}
}
// Start new frame pacing group if necessary, snapshot() is called with
// non-zero timeout
if (status == capture_e::timeout ||
(status == capture_e::ok && !frame_pacing_group_start)) {
status = snapshot(pull_free_image_cb, img_out, 1000ms, *cursor);
if (status == capture_e::ok && img_out) {
frame_pacing_group_start = img_out->frame_timestamp;
if (!frame_pacing_group_start) {
BOOST_LOG(warning)
<< "snapshot() provided image without timestamp";
frame_pacing_group_start = std::chrono::steady_clock::now();
}
frame_pacing_group_frames = 1;
}
}
switch (status) {
case platf::capture_e::reinit:
case platf::capture_e::error:
case platf::capture_e::interrupted:
return status;
case platf::capture_e::timeout:
if (!push_captured_image_cb(std::move(img_out), false)) {
return capture_e::ok;
}
break;
case platf::capture_e::ok:
if (!push_captured_image_cb(std::move(img_out), true)) {
return capture_e::ok;
}
break;
default:
BOOST_LOG(error)
<< "Unrecognized capture status ["sv << (int)status << ']';
return status;
}
status = dup.release_frame();
if (status != platf::capture_e::ok) {
return status;
}
}
return capture_e::ok;
}
bool set_gpu_preference_on_self(int preference) {
// The GPU preferences key uses app path as the value name.
WCHAR sunshine_path[MAX_PATH];
GetModuleFileNameW(NULL, sunshine_path, ARRAYSIZE(sunshine_path));
WCHAR value_data[128];
swprintf_s(value_data, L"GpuPreference=%d;", preference);
auto status = RegSetKeyValueW(
HKEY_CURRENT_USER, L"Software\\Microsoft\\DirectX\\UserGpuPreferences",
sunshine_path, REG_SZ, value_data,
(wcslen(value_data) + 1) * sizeof(WCHAR));
if (status != ERROR_SUCCESS) {
BOOST_LOG(error) << "Failed to set GPU preference: "sv << status;
return false;
}
BOOST_LOG(info) << "Set GPU preference: "sv << preference;
return true;
}
// On hybrid graphics systems, Windows will change the order of GPUs reported by
// DXGI in accordance with the user's GPU preference. If the selected GPU is a
// render-only device with no displays, DXGI will add virtual outputs to the
// that device to avoid confusing applications. While this works properly for
// most applications, it breaks the Desktop Duplication API because DXGI doesn't
// proxy the virtual DXGIOutput to the real GPU it is attached to. When trying
// to call DuplicateOutput() on one of these virtual outputs, it fails with
// DXGI_ERROR_UNSUPPORTED (even if you try sneaky stuff like passing the
// ID3D11Device for the iGPU and the virtual DXGIOutput from the dGPU). Because
// the GPU preference is once-per-process, we spawn a helper tool to probe for
// us before we set our own GPU preference.
bool probe_for_gpu_preference(const std::string &display_name) {
// If we've already been through here, there's nothing to do this time.
static bool set_gpu_preference = false;
if (set_gpu_preference) {
return true;
}
std::string cmd = "ddprobe.exe";
// We start at 1 because 0 is automatic selection which can be overridden by
// the GPU driver control panel options. Since ddprobe.exe can have
// different GPU driver overrides than Sunshine.exe, we want to avoid a
// scenario where autoselection might work for ddprobe.exe but not for us.
for (int i = 1; i < 5; i++) {
// Run the probe tool. It returns the status of DuplicateOutput().
//
// Arg format: [GPU preference] [Display name]
HRESULT result;
try {
result = bp::system(cmd, std::to_string(i), display_name,
bp::std_out > bp::null, bp::std_err > bp::null);
} catch (bp::process_error &e) {
BOOST_LOG(error) << "Failed to start ddprobe.exe: "sv << e.what();
return false;
}
BOOST_LOG(info) << "ddprobe.exe ["sv << i << "] ["sv << display_name
<< "] returned: 0x"sv
<< util::hex(result).to_string_view();
// E_ACCESSDENIED can happen at the login screen. If we get this error,
// we know capture would have been supported, because
// DXGI_ERROR_UNSUPPORTED would have been raised first if it wasn't.
if (result == S_OK || result == E_ACCESSDENIED) {
// We found a working GPU preference, so set ourselves to use that.
if (set_gpu_preference_on_self(i)) {
set_gpu_preference = true;
return true;
} else {
return false;
}
} else {
// This configuration didn't work, so continue testing others
continue;
}
}
// If none of the manual options worked, leave the GPU preference alone
return false;
}
bool test_dxgi_duplication(adapter_t &adapter, output_t &output) {
D3D_FEATURE_LEVEL featureLevels[]{
D3D_FEATURE_LEVEL_11_1, D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0, D3D_FEATURE_LEVEL_9_3, D3D_FEATURE_LEVEL_9_2,
D3D_FEATURE_LEVEL_9_1};
device_t device;
auto status =
D3D11CreateDevice(adapter.get(), D3D_DRIVER_TYPE_UNKNOWN, nullptr,
D3D11_CREATE_DEVICE_FLAGS, featureLevels,
sizeof(featureLevels) / sizeof(D3D_FEATURE_LEVEL),
D3D11_SDK_VERSION, &device, nullptr, nullptr);
if (FAILED(status)) {
BOOST_LOG(error) << "Failed to create D3D11 device for DD test [0x"sv
<< util::hex(status).to_string_view() << ']';
return false;
}
output1_t output1;
status = output->QueryInterface(IID_IDXGIOutput1, (void **)&output1);
if (FAILED(status)) {
BOOST_LOG(error) << "Failed to query IDXGIOutput1 from the output"sv;
return false;
}
// Check if we can use the Desktop Duplication API on this output
for (int x = 0; x < 2; ++x) {
dup_t dup;
status = output1->DuplicateOutput((IUnknown *)device.get(), &dup);
if (SUCCEEDED(status)) {
return true;
}
Sleep(200);
}
BOOST_LOG(error) << "DuplicateOutput() test failed [0x"sv
<< util::hex(status).to_string_view() << ']';
return false;
}
int display_base_t::init(const ::video::config_t &config,
const std::string &display_name) {
std::once_flag windows_cpp_once_flag;
std::call_once(windows_cpp_once_flag, []() {
DECLARE_HANDLE(DPI_AWARENESS_CONTEXT);
typedef BOOL (*User32_SetProcessDpiAwarenessContext)(
DPI_AWARENESS_CONTEXT value);
auto user32 = LoadLibraryA("user32.dll");
auto f = (User32_SetProcessDpiAwarenessContext)GetProcAddress(
user32, "SetProcessDpiAwarenessContext");
if (f) {
f(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
}
FreeLibrary(user32);
});
// Ensure we can duplicate the current display
syncThreadDesktop();
// Get rectangle of full desktop for absolute mouse coordinates
env_width = GetSystemMetrics(SM_CXVIRTUALSCREEN);
env_height = GetSystemMetrics(SM_CYVIRTUALSCREEN);
HRESULT status;
// We must set the GPU preference before calling any DXGI APIs!
if (!probe_for_gpu_preference(display_name)) {
BOOST_LOG(warning)
<< "Failed to set GPU preference. Capture may not work!"sv;
}
status = CreateDXGIFactory1(IID_IDXGIFactory1, (void **)&factory);
if (FAILED(status)) {
BOOST_LOG(error) << "Failed to create DXGIFactory1 [0x"sv
<< util::hex(status).to_string_view() << ']';
return -1;
}
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> converter;
auto adapter_name = converter.from_bytes(config::video.adapter_name);
auto output_name = converter.from_bytes(display_name);
adapter_t::pointer adapter_p;
for (int tries = 0; tries < 2; ++tries) {
for (int x = 0;
factory->EnumAdapters1(x, &adapter_p) != DXGI_ERROR_NOT_FOUND;
++x) {
dxgi::adapter_t adapter_tmp{adapter_p};
DXGI_ADAPTER_DESC1 adapter_desc;
adapter_tmp->GetDesc1(&adapter_desc);
if (!adapter_name.empty() &&
adapter_desc.Description != adapter_name) {
continue;
}
dxgi::output_t::pointer output_p;
for (int y = 0;
adapter_tmp->EnumOutputs(y, &output_p) != DXGI_ERROR_NOT_FOUND;
++y) {
dxgi::output_t output_tmp{output_p};
DXGI_OUTPUT_DESC desc;
output_tmp->GetDesc(&desc);
if (!output_name.empty() && desc.DeviceName != output_name) {
continue;
}
if (desc.AttachedToDesktop &&
test_dxgi_duplication(adapter_tmp, output_tmp)) {
output = std::move(output_tmp);
offset_x = desc.DesktopCoordinates.left;
offset_y = desc.DesktopCoordinates.top;
width = desc.DesktopCoordinates.right - offset_x;
height = desc.DesktopCoordinates.bottom - offset_y;
display_rotation = desc.Rotation;
if (display_rotation == DXGI_MODE_ROTATION_ROTATE90 ||
display_rotation == DXGI_MODE_ROTATION_ROTATE270) {
width_before_rotation = height;
height_before_rotation = width;
} else {
width_before_rotation = width;
height_before_rotation = height;
}
// left and bottom may be negative, yet absolute mouse
// coordinates start at 0x0 Ensure offset starts at 0x0
offset_x -= GetSystemMetrics(SM_XVIRTUALSCREEN);
offset_y -= GetSystemMetrics(SM_YVIRTUALSCREEN);
}
}
if (output) {
adapter = std::move(adapter_tmp);
break;
}
}
if (output) {
break;
}
// If we made it here without finding an output, try to power on the
// display and retry.
if (tries == 0) {
SetThreadExecutionState(ES_DISPLAY_REQUIRED);
Sleep(500);
}
}
if (!output) {
BOOST_LOG(error) << "Failed to locate an output device"sv;
return -1;
}
D3D_FEATURE_LEVEL featureLevels[]{
D3D_FEATURE_LEVEL_11_1, D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_1,
D3D_FEATURE_LEVEL_10_0, D3D_FEATURE_LEVEL_9_3, D3D_FEATURE_LEVEL_9_2,
D3D_FEATURE_LEVEL_9_1};
status = adapter->QueryInterface(IID_IDXGIAdapter, (void **)&adapter_p);
if (FAILED(status)) {
BOOST_LOG(error) << "Failed to query IDXGIAdapter interface"sv;
return -1;
}
status = D3D11CreateDevice(
adapter_p, D3D_DRIVER_TYPE_UNKNOWN, nullptr, D3D11_CREATE_DEVICE_FLAGS,
featureLevels, sizeof(featureLevels) / sizeof(D3D_FEATURE_LEVEL),
D3D11_SDK_VERSION, &device, &feature_level, &device_ctx);
adapter_p->Release();
if (FAILED(status)) {
BOOST_LOG(error) << "Failed to create D3D11 device [0x"sv
<< util::hex(status).to_string_view() << ']';
return -1;
}
DXGI_ADAPTER_DESC adapter_desc;
adapter->GetDesc(&adapter_desc);
auto description = converter.to_bytes(adapter_desc.Description);
BOOST_LOG(info)
<< std::endl
<< "Device Description : " << description << std::endl
<< "Device Vendor ID : 0x"sv
<< util::hex(adapter_desc.VendorId).to_string_view() << std::endl
<< "Device Device ID : 0x"sv
<< util::hex(adapter_desc.DeviceId).to_string_view() << std::endl
<< "Device Video Mem : "sv
<< adapter_desc.DedicatedVideoMemory / 1048576 << " MiB"sv << std::endl
<< "Device Sys Mem : "sv
<< adapter_desc.DedicatedSystemMemory / 1048576 << " MiB"sv << std::endl
<< "Share Sys Mem : "sv
<< adapter_desc.SharedSystemMemory / 1048576 << " MiB"sv << std::endl
<< "Feature Level : 0x"sv
<< util::hex(feature_level).to_string_view() << std::endl
<< "Capture size : "sv << width << 'x' << height << std::endl
<< "Offset : "sv << offset_x << 'x' << offset_y << std::endl
<< "Virtual Desktop : "sv << env_width << 'x' << env_height;
// Bump up thread priority
{
const DWORD flags = TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY;
TOKEN_PRIVILEGES tp;
HANDLE token;
LUID val;
if (OpenProcessToken(GetCurrentProcess(), flags, &token) &&
!!LookupPrivilegeValue(NULL, SE_INC_BASE_PRIORITY_NAME, &val)) {
tp.PrivilegeCount = 1;
tp.Privileges[0].Luid = val;
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (!AdjustTokenPrivileges(token, false, &tp, sizeof(tp), NULL,
NULL)) {
BOOST_LOG(warning)
<< "Could not set privilege to increase GPU priority";
}
}
CloseHandle(token);
HMODULE gdi32 = GetModuleHandleA("GDI32");
if (gdi32) {
auto check_hags = [&](const LUID &adapter) -> bool {
auto d3dkmt_open_adapter =
(PD3DKMTOpenAdapterFromLuid)GetProcAddress(
gdi32, "D3DKMTOpenAdapterFromLuid");
auto d3dkmt_query_adapter_info =
(PD3DKMTQueryAdapterInfo)GetProcAddress(
gdi32, "D3DKMTQueryAdapterInfo");
auto d3dkmt_close_adapter = (PD3DKMTCloseAdapter)GetProcAddress(
gdi32, "D3DKMTCloseAdapter");
if (!d3dkmt_open_adapter || !d3dkmt_query_adapter_info ||
!d3dkmt_close_adapter) {
BOOST_LOG(error)
<< "Couldn't load d3dkmt functions from gdi32.dll to "
"determine GPU HAGS status";
return false;
}
D3DKMT_OPENADAPTERFROMLUID d3dkmt_adapter = {adapter};
if (FAILED(d3dkmt_open_adapter(&d3dkmt_adapter))) {
BOOST_LOG(error)
<< "D3DKMTOpenAdapterFromLuid() failed while trying to "
"determine GPU HAGS status";
return false;
}
bool result;
D3DKMT_WDDM_2_7_CAPS d3dkmt_adapter_caps = {};
D3DKMT_QUERYADAPTERINFO d3dkmt_adapter_info = {};
d3dkmt_adapter_info.hAdapter = d3dkmt_adapter.hAdapter;
d3dkmt_adapter_info.Type = KMTQAITYPE_WDDM_2_7_CAPS;
d3dkmt_adapter_info.pPrivateDriverData = &d3dkmt_adapter_caps;
d3dkmt_adapter_info.PrivateDriverDataSize =
sizeof(d3dkmt_adapter_caps);
if (SUCCEEDED(
d3dkmt_query_adapter_info(&d3dkmt_adapter_info))) {
result = d3dkmt_adapter_caps.HwSchEnabled;
} else {
BOOST_LOG(warning)
<< "D3DKMTQueryAdapterInfo() failed while trying to "
"determine GPU HAGS status";
result = false;
}
D3DKMT_CLOSEADAPTER d3dkmt_close_adapter_wrap = {
d3dkmt_adapter.hAdapter};
if (FAILED(d3dkmt_close_adapter(&d3dkmt_close_adapter_wrap))) {
BOOST_LOG(error) << "D3DKMTCloseAdapter() failed while "
"trying to determine GPU HAGS status";
}
return result;
};
auto d3dkmt_set_process_priority =
(PD3DKMTSetProcessSchedulingPriorityClass)GetProcAddress(
gdi32, "D3DKMTSetProcessSchedulingPriorityClass");
if (d3dkmt_set_process_priority) {
auto priority = D3DKMT_SCHEDULINGPRIORITYCLASS_REALTIME;
bool hags_enabled = check_hags(adapter_desc.AdapterLuid);
if (adapter_desc.VendorId == 0x10DE) {
// As of 2023.07, NVIDIA driver has unfixed bug(s) where
// "realtime" can cause unrecoverable encoding freeze or
// outright driver crash This issue happens more frequently
// with HAGS, in DX12 games or when VRAM is filled close to
// max capacity Track OBS to see if they find better
// workaround or NVIDIA fixes it on their end, they seem to
// be in communication
if (hags_enabled && !config::video.nv_realtime_hags)
priority = D3DKMT_SCHEDULINGPRIORITYCLASS_HIGH;
}
BOOST_LOG(info) << "Active GPU has HAGS "
<< (hags_enabled ? "enabled" : "disabled");
BOOST_LOG(info)
<< "Using "
<< (priority == D3DKMT_SCHEDULINGPRIORITYCLASS_HIGH
? "high"
: "realtime")
<< " GPU priority";
if (FAILED(d3dkmt_set_process_priority(GetCurrentProcess(),
priority))) {
BOOST_LOG(warning)
<< "Failed to adjust GPU priority. Please run "
"application as administrator for optimal "
"performance.";
}
} else {
BOOST_LOG(error)
<< "Couldn't load D3DKMTSetProcessSchedulingPriorityClass "
"function from gdi32.dll to adjust GPU priority";
}
}
dxgi::dxgi_t dxgi;
status = device->QueryInterface(IID_IDXGIDevice, (void **)&dxgi);
if (FAILED(status)) {
BOOST_LOG(warning)
<< "Failed to query DXGI interface from device [0x"sv
<< util::hex(status).to_string_view() << ']';
return -1;
}
status = dxgi->SetGPUThreadPriority(7);
if (FAILED(status)) {
BOOST_LOG(warning)
<< "Failed to increase capture GPU thread priority. Please run "
"application as administrator for optimal performance.";
}
}
// Try to reduce latency
{
dxgi::dxgi1_t dxgi{};
status = device->QueryInterface(IID_IDXGIDevice, (void **)&dxgi);
if (FAILED(status)) {
BOOST_LOG(error)
<< "Failed to query DXGI interface from device [0x"sv
<< util::hex(status).to_string_view() << ']';
return -1;
}
status = dxgi->SetMaximumFrameLatency(1);
if (FAILED(status)) {
BOOST_LOG(warning) << "Failed to set maximum frame latency [0x"sv
<< util::hex(status).to_string_view() << ']';
}
}
// FIXME: Duplicate output on RX580 in combination with DOOM (2016) --> BSOD
{
// IDXGIOutput5 is optional, but can provide improved performance and
// wide color support
dxgi::output5_t output5{};
status = output->QueryInterface(IID_IDXGIOutput5, (void **)&output5);
if (SUCCEEDED(status)) {
// Ask the display implementation which formats it supports
auto supported_formats = get_supported_capture_formats();
if (supported_formats.empty()) {
BOOST_LOG(warning)
<< "No compatible capture formats for this encoder"sv;
return -1;
}
// We try this twice, in case we still get an error on
// reinitialization
for (int x = 0; x < 2; ++x) {
status = output5->DuplicateOutput1(
(IUnknown *)device.get(), 0, supported_formats.size(),
supported_formats.data(), &dup.dup);
if (SUCCEEDED(status)) {
break;
}
std::this_thread::sleep_for(200ms);
}
// We don't retry with DuplicateOutput() because we can hit this
// codepath when we're racing with mode changes and we don't want to
// accidentally fall back to suboptimal capture if we get unlucky
// and succeed below.
if (FAILED(status)) {
BOOST_LOG(warning) << "DuplicateOutput1 Failed [0x"sv
<< util::hex(status).to_string_view() << ']';
return -1;
}
} else {
BOOST_LOG(warning)
<< "IDXGIOutput5 is not supported by your OS. Capture performance may be reduced."sv;
dxgi::output1_t output1{};
status =
output->QueryInterface(IID_IDXGIOutput1, (void **)&output1);
if (FAILED(status)) {
BOOST_LOG(error)
<< "Failed to query IDXGIOutput1 from the output"sv;
return -1;
}
for (int x = 0; x < 2; ++x) {
status = output1->DuplicateOutput((IUnknown *)device.get(),
&dup.dup);
if (SUCCEEDED(status)) {
break;
}
std::this_thread::sleep_for(200ms);
}
if (FAILED(status)) {
BOOST_LOG(error) << "DuplicateOutput Failed [0x"sv
<< util::hex(status).to_string_view() << ']';
return -1;
}
}
}
DXGI_OUTDUPL_DESC dup_desc;
dup.dup->GetDesc(&dup_desc);
BOOST_LOG(info) << "Desktop resolution ["sv << dup_desc.ModeDesc.Width
<< 'x' << dup_desc.ModeDesc.Height << ']';
BOOST_LOG(info) << "Desktop format ["sv
<< dxgi_format_to_string(dup_desc.ModeDesc.Format) << ']';
display_refresh_rate = dup_desc.ModeDesc.RefreshRate;
double display_refresh_rate_decimal =
(double)display_refresh_rate.Numerator /
display_refresh_rate.Denominator;
BOOST_LOG(info) << "Display refresh rate [" << display_refresh_rate_decimal
<< "Hz]";
display_refresh_rate_rounded = lround(display_refresh_rate_decimal);
client_frame_rate = config.framerate;
BOOST_LOG(info) << "Requested frame rate [" << client_frame_rate << "fps]";
dxgi::output6_t output6{};
status = output->QueryInterface(IID_IDXGIOutput6, (void **)&output6);
if (SUCCEEDED(status)) {
DXGI_OUTPUT_DESC1 desc1;
output6->GetDesc1(&desc1);
BOOST_LOG(info) << std::endl
<< "Colorspace : "sv
<< colorspace_to_string(desc1.ColorSpace) << std::endl
<< "Bits Per Color : "sv << desc1.BitsPerColor
<< std::endl
<< "Red Primary : ["sv << desc1.RedPrimary[0]
<< ',' << desc1.RedPrimary[1] << ']' << std::endl
<< "Green Primary : ["sv << desc1.GreenPrimary[0]
<< ',' << desc1.GreenPrimary[1] << ']' << std::endl
<< "Blue Primary : ["sv << desc1.BluePrimary[0]
<< ',' << desc1.BluePrimary[1] << ']' << std::endl
<< "White Point : ["sv << desc1.WhitePoint[0]
<< ',' << desc1.WhitePoint[1] << ']' << std::endl
<< "Min Luminance : "sv << desc1.MinLuminance
<< " nits"sv << std::endl
<< "Max Luminance : "sv << desc1.MaxLuminance
<< " nits"sv << std::endl
<< "Max Full Luminance : "sv
<< desc1.MaxFullFrameLuminance << " nits"sv;
}
// Capture format will be determined from the first call to
// AcquireNextFrame()
capture_format = DXGI_FORMAT_UNKNOWN;
// Use CREATE_WAITABLE_TIMER_HIGH_RESOLUTION if supported (Windows 10 1809+)
timer.reset(CreateWaitableTimerEx(nullptr, nullptr,
CREATE_WAITABLE_TIMER_HIGH_RESOLUTION,
TIMER_ALL_ACCESS));
if (!timer) {
timer.reset(
CreateWaitableTimerEx(nullptr, nullptr, 0, TIMER_ALL_ACCESS));
if (!timer) {
auto winerr = GetLastError();
BOOST_LOG(error) << "Failed to create timer: "sv << winerr;
return -1;
}
}
return 0;
}
bool display_base_t::is_hdr() {
dxgi::output6_t output6{};
auto status = output->QueryInterface(IID_IDXGIOutput6, (void **)&output6);
if (FAILED(status)) {
BOOST_LOG(warning) << "Failed to query IDXGIOutput6 from the output"sv;
return false;
}
DXGI_OUTPUT_DESC1 desc1;
output6->GetDesc1(&desc1);
return desc1.ColorSpace == DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020;
}
bool display_base_t::get_hdr_metadata(SS_HDR_METADATA &metadata) {
dxgi::output6_t output6{};
std::memset(&metadata, 0, sizeof(metadata));
auto status = output->QueryInterface(IID_IDXGIOutput6, (void **)&output6);
if (FAILED(status)) {
BOOST_LOG(warning) << "Failed to query IDXGIOutput6 from the output"sv;
return false;
}
DXGI_OUTPUT_DESC1 desc1;
output6->GetDesc1(&desc1);
// The primaries reported here seem to correspond to scRGB (Rec. 709)
// which we then convert to Rec 2020 in our scRGB FP16 -> PQ shader
// prior to encoding. It's not clear to me if we're supposed to report
// the primaries of the original colorspace or the one we've converted
// it to, but let's just report Rec 2020 primaries and D65 white level
// to avoid confusing clients by reporting Rec 709 primaries with a
// Rec 2020 colorspace. It seems like most clients ignore the primaries
// in the metadata anyway (luminance range is most important).
desc1.RedPrimary[0] = 0.708f;
desc1.RedPrimary[1] = 0.292f;
desc1.GreenPrimary[0] = 0.170f;
desc1.GreenPrimary[1] = 0.797f;
desc1.BluePrimary[0] = 0.131f;
desc1.BluePrimary[1] = 0.046f;
desc1.WhitePoint[0] = 0.3127f;
desc1.WhitePoint[1] = 0.3290f;
metadata.displayPrimaries[0].x = desc1.RedPrimary[0] * 50000;
metadata.displayPrimaries[0].y = desc1.RedPrimary[1] * 50000;
metadata.displayPrimaries[1].x = desc1.GreenPrimary[0] * 50000;
metadata.displayPrimaries[1].y = desc1.GreenPrimary[1] * 50000;
metadata.displayPrimaries[2].x = desc1.BluePrimary[0] * 50000;
metadata.displayPrimaries[2].y = desc1.BluePrimary[1] * 50000;
metadata.whitePoint.x = desc1.WhitePoint[0] * 50000;
metadata.whitePoint.y = desc1.WhitePoint[1] * 50000;
metadata.maxDisplayLuminance = desc1.MaxLuminance;
metadata.minDisplayLuminance = desc1.MinLuminance * 10000;
// These are content-specific metadata parameters that this interface
// doesn't give us
metadata.maxContentLightLevel = 0;
metadata.maxFrameAverageLightLevel = 0;
metadata.maxFullFrameLuminance = desc1.MaxFullFrameLuminance;
return true;
}
const char *format_str[] = {"DXGI_FORMAT_UNKNOWN",
"DXGI_FORMAT_R32G32B32A32_TYPELESS",
"DXGI_FORMAT_R32G32B32A32_FLOAT",
"DXGI_FORMAT_R32G32B32A32_UINT",
"DXGI_FORMAT_R32G32B32A32_SINT",
"DXGI_FORMAT_R32G32B32_TYPELESS",
"DXGI_FORMAT_R32G32B32_FLOAT",
"DXGI_FORMAT_R32G32B32_UINT",
"DXGI_FORMAT_R32G32B32_SINT",
"DXGI_FORMAT_R16G16B16A16_TYPELESS",
"DXGI_FORMAT_R16G16B16A16_FLOAT",
"DXGI_FORMAT_R16G16B16A16_UNORM",
"DXGI_FORMAT_R16G16B16A16_UINT",
"DXGI_FORMAT_R16G16B16A16_SNORM",
"DXGI_FORMAT_R16G16B16A16_SINT",
"DXGI_FORMAT_R32G32_TYPELESS",
"DXGI_FORMAT_R32G32_FLOAT",
"DXGI_FORMAT_R32G32_UINT",
"DXGI_FORMAT_R32G32_SINT",
"DXGI_FORMAT_R32G8X24_TYPELESS",
"DXGI_FORMAT_D32_FLOAT_S8X24_UINT",
"DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS",
"DXGI_FORMAT_X32_TYPELESS_G8X24_UINT",
"DXGI_FORMAT_R10G10B10A2_TYPELESS",
"DXGI_FORMAT_R10G10B10A2_UNORM",
"DXGI_FORMAT_R10G10B10A2_UINT",
"DXGI_FORMAT_R11G11B10_FLOAT",
"DXGI_FORMAT_R8G8B8A8_TYPELESS",
"DXGI_FORMAT_R8G8B8A8_UNORM",
"DXGI_FORMAT_R8G8B8A8_UNORM_SRGB",
"DXGI_FORMAT_R8G8B8A8_UINT",
"DXGI_FORMAT_R8G8B8A8_SNORM",
"DXGI_FORMAT_R8G8B8A8_SINT",
"DXGI_FORMAT_R16G16_TYPELESS",
"DXGI_FORMAT_R16G16_FLOAT",
"DXGI_FORMAT_R16G16_UNORM",
"DXGI_FORMAT_R16G16_UINT",
"DXGI_FORMAT_R16G16_SNORM",
"DXGI_FORMAT_R16G16_SINT",
"DXGI_FORMAT_R32_TYPELESS",
"DXGI_FORMAT_D32_FLOAT",
"DXGI_FORMAT_R32_FLOAT",
"DXGI_FORMAT_R32_UINT",
"DXGI_FORMAT_R32_SINT",
"DXGI_FORMAT_R24G8_TYPELESS",
"DXGI_FORMAT_D24_UNORM_S8_UINT",
"DXGI_FORMAT_R24_UNORM_X8_TYPELESS",
"DXGI_FORMAT_X24_TYPELESS_G8_UINT",
"DXGI_FORMAT_R8G8_TYPELESS",
"DXGI_FORMAT_R8G8_UNORM",
"DXGI_FORMAT_R8G8_UINT",
"DXGI_FORMAT_R8G8_SNORM",
"DXGI_FORMAT_R8G8_SINT",
"DXGI_FORMAT_R16_TYPELESS",
"DXGI_FORMAT_R16_FLOAT",
"DXGI_FORMAT_D16_UNORM",
"DXGI_FORMAT_R16_UNORM",
"DXGI_FORMAT_R16_UINT",
"DXGI_FORMAT_R16_SNORM",
"DXGI_FORMAT_R16_SINT",
"DXGI_FORMAT_R8_TYPELESS",
"DXGI_FORMAT_R8_UNORM",
"DXGI_FORMAT_R8_UINT",
"DXGI_FORMAT_R8_SNORM",
"DXGI_FORMAT_R8_SINT",
"DXGI_FORMAT_A8_UNORM",
"DXGI_FORMAT_R1_UNORM",
"DXGI_FORMAT_R9G9B9E5_SHAREDEXP",
"DXGI_FORMAT_R8G8_B8G8_UNORM",
"DXGI_FORMAT_G8R8_G8B8_UNORM",
"DXGI_FORMAT_BC1_TYPELESS",
"DXGI_FORMAT_BC1_UNORM",
"DXGI_FORMAT_BC1_UNORM_SRGB",
"DXGI_FORMAT_BC2_TYPELESS",
"DXGI_FORMAT_BC2_UNORM",
"DXGI_FORMAT_BC2_UNORM_SRGB",
"DXGI_FORMAT_BC3_TYPELESS",
"DXGI_FORMAT_BC3_UNORM",
"DXGI_FORMAT_BC3_UNORM_SRGB",
"DXGI_FORMAT_BC4_TYPELESS",
"DXGI_FORMAT_BC4_UNORM",
"DXGI_FORMAT_BC4_SNORM",
"DXGI_FORMAT_BC5_TYPELESS",
"DXGI_FORMAT_BC5_UNORM",
"DXGI_FORMAT_BC5_SNORM",
"DXGI_FORMAT_B5G6R5_UNORM",
"DXGI_FORMAT_B5G5R5A1_UNORM",
"DXGI_FORMAT_B8G8R8A8_UNORM",
"DXGI_FORMAT_B8G8R8X8_UNORM",
"DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM",
"DXGI_FORMAT_B8G8R8A8_TYPELESS",
"DXGI_FORMAT_B8G8R8A8_UNORM_SRGB",
"DXGI_FORMAT_B8G8R8X8_TYPELESS",
"DXGI_FORMAT_B8G8R8X8_UNORM_SRGB",
"DXGI_FORMAT_BC6H_TYPELESS",
"DXGI_FORMAT_BC6H_UF16",
"DXGI_FORMAT_BC6H_SF16",
"DXGI_FORMAT_BC7_TYPELESS",
"DXGI_FORMAT_BC7_UNORM",
"DXGI_FORMAT_BC7_UNORM_SRGB",
"DXGI_FORMAT_AYUV",
"DXGI_FORMAT_Y410",
"DXGI_FORMAT_Y416",
"DXGI_FORMAT_NV12",
"DXGI_FORMAT_P010",
"DXGI_FORMAT_P016",
"DXGI_FORMAT_420_OPAQUE",
"DXGI_FORMAT_YUY2",
"DXGI_FORMAT_Y210",
"DXGI_FORMAT_Y216",
"DXGI_FORMAT_NV11",
"DXGI_FORMAT_AI44",
"DXGI_FORMAT_IA44",
"DXGI_FORMAT_P8",
"DXGI_FORMAT_A8P8",
"DXGI_FORMAT_B4G4R4A4_UNORM",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"DXGI_FORMAT_P208",
"DXGI_FORMAT_V208",
"DXGI_FORMAT_V408"};
const char *display_base_t::dxgi_format_to_string(DXGI_FORMAT format) {
return format_str[format];
}
const char *display_base_t::colorspace_to_string(DXGI_COLOR_SPACE_TYPE type) {
const char *type_str[] = {
"DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709",
"DXGI_COLOR_SPACE_RGB_FULL_G10_NONE_P709",
"DXGI_COLOR_SPACE_RGB_STUDIO_G22_NONE_P709",
"DXGI_COLOR_SPACE_RGB_STUDIO_G22_NONE_P2020",
"DXGI_COLOR_SPACE_RESERVED",
"DXGI_COLOR_SPACE_YCBCR_FULL_G22_NONE_P709_X601",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P601",
"DXGI_COLOR_SPACE_YCBCR_FULL_G22_LEFT_P601",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P709",
"DXGI_COLOR_SPACE_YCBCR_FULL_G22_LEFT_P709",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_LEFT_P2020",
"DXGI_COLOR_SPACE_YCBCR_FULL_G22_LEFT_P2020",
"DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_G2084_LEFT_P2020",
"DXGI_COLOR_SPACE_RGB_STUDIO_G2084_NONE_P2020",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_G22_TOPLEFT_P2020",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_G2084_TOPLEFT_P2020",
"DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P2020",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_GHLG_TOPLEFT_P2020",
"DXGI_COLOR_SPACE_YCBCR_FULL_GHLG_TOPLEFT_P2020",
"DXGI_COLOR_SPACE_RGB_STUDIO_G24_NONE_P709",
"DXGI_COLOR_SPACE_RGB_STUDIO_G24_NONE_P2020",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_G24_LEFT_P709",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_G24_LEFT_P2020",
"DXGI_COLOR_SPACE_YCBCR_STUDIO_G24_TOPLEFT_P2020",
};
if (type < ARRAYSIZE(type_str)) {
return type_str[type];
} else {
return "UNKNOWN";
}
}
} // namespace platf::dxgi
namespace platf {
std::shared_ptr<display_t> display(mem_type_e hwdevice_type,
const std::string &display_name,
const video::config_t &config) {
if (hwdevice_type == mem_type_e::dxgi) {
auto disp = std::make_shared<dxgi::display_vram_t>();
if (!disp->init(config, display_name)) {
return disp;
}
} else if (hwdevice_type == mem_type_e::system) {
auto disp = std::make_shared<dxgi::display_ram_t>();
if (!disp->init(config, display_name)) {
return disp;
}
}
return nullptr;
}
std::vector<std::string> display_names(mem_type_e) {
std::vector<std::string> display_names;
// Ensure we can duplicate the current display
syncThreadDesktop();
HRESULT status;
BOOST_LOG(debug) << "Detecting monitors..."sv;
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>, wchar_t> converter;
// We must set the GPU preference before calling any DXGI APIs!
if (!dxgi::probe_for_gpu_preference(config::video.output_name)) {
BOOST_LOG(warning)
<< "Failed to set GPU preference. Capture may not work!"sv;
}
dxgi::factory1_t factory;
status = CreateDXGIFactory1(IID_IDXGIFactory1, (void **)&factory);
if (FAILED(status)) {
BOOST_LOG(error) << "Failed to create DXGIFactory1 [0x"sv
<< util::hex(status).to_string_view() << ']';
return {};
}
dxgi::adapter_t adapter;
for (int x = 0; factory->EnumAdapters1(x, &adapter) != DXGI_ERROR_NOT_FOUND;
++x) {
DXGI_ADAPTER_DESC1 adapter_desc;
adapter->GetDesc1(&adapter_desc);
BOOST_LOG(debug) << std::endl
<< "====== ADAPTER ====="sv << std::endl
<< "Device Name : "sv
<< converter.to_bytes(adapter_desc.Description)
<< std::endl
<< "Device Vendor ID : 0x"sv
<< util::hex(adapter_desc.VendorId).to_string_view()
<< std::endl
<< "Device Device ID : 0x"sv
<< util::hex(adapter_desc.DeviceId).to_string_view()
<< std::endl
<< "Device Video Mem : "sv
<< adapter_desc.DedicatedVideoMemory / 1048576
<< " MiB"sv << std::endl
<< "Device Sys Mem : "sv
<< adapter_desc.DedicatedSystemMemory / 1048576
<< " MiB"sv << std::endl
<< "Share Sys Mem : "sv
<< adapter_desc.SharedSystemMemory / 1048576
<< " MiB"sv << std::endl
<< std::endl
<< " ====== OUTPUT ======"sv << std::endl;
dxgi::output_t::pointer output_p{};
for (int y = 0;
adapter->EnumOutputs(y, &output_p) != DXGI_ERROR_NOT_FOUND; ++y) {
dxgi::output_t output{output_p};
DXGI_OUTPUT_DESC desc;
output->GetDesc(&desc);
auto device_name = converter.to_bytes(desc.DeviceName);
auto width =
desc.DesktopCoordinates.right - desc.DesktopCoordinates.left;
auto height =
desc.DesktopCoordinates.bottom - desc.DesktopCoordinates.top;
BOOST_LOG(debug)
<< " Output Name : "sv << device_name << std::endl
<< " AttachedToDesktop : "sv
<< (desc.AttachedToDesktop ? "yes"sv : "no"sv) << std::endl
<< " Resolution : "sv << width << 'x' << height
<< std::endl
<< std::endl;
// Don't include the display in the list if we can't actually
// capture it
if (desc.AttachedToDesktop &&
dxgi::test_dxgi_duplication(adapter, output)) {
display_names.emplace_back(std::move(device_name));
}
}
}
return display_names;
}
} // namespace platf
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