birkeh/o3de
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge stabilization/2110 as of 20edb35cdc into development (#5319)

Browse Source
This commit is contained in:
Chris Burel
2021-11-08 15:22:17 -08:00
committed by GitHub
parent 4468a9213d 0e885b8267
commit 33d5109fe8
256 changed files with 3492 additions and 1166 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Code/Framework/AzFramework/Platform/Common/Xcb/AzFramework/XcbApplication.cpp
+27
View File
@@ -10,6 +10,8 @@
#include <AzFramework/XcbEventHandler.h>
#include <AzFramework/XcbInterface.h>
#include <xcb/xinput.h>
namespace AzFramework
{
////////////////////////////////////////////////////////////////////////////////////////////////
@@ -34,6 +36,31 @@ namespace AzFramework
return m_xcbConnection.get();
}
void SetEnableXInput(xcb_connection_t* connection, bool enable) override
{
struct Mask
{
xcb_input_event_mask_t head;
xcb_input_xi_event_mask_t mask;
};
const Mask mask {
/*.head=*/{
/*.device_id=*/XCB_INPUT_DEVICE_ALL_MASTER,
/*.mask_len=*/1
},
/*.mask=*/ enable ?
(xcb_input_xi_event_mask_t)(XCB_INPUT_XI_EVENT_MASK_RAW_MOTION | XCB_INPUT_XI_EVENT_MASK_RAW_BUTTON_PRESS | XCB_INPUT_XI_EVENT_MASK_RAW_BUTTON_RELEASE) :
(xcb_input_xi_event_mask_t)XCB_NONE
};
const xcb_setup_t* xcbSetup = xcb_get_setup(connection);
const xcb_screen_t* xcbScreen = xcb_setup_roots_iterator(xcbSetup).data;
xcb_input_xi_select_events(connection, xcbScreen->root, 1, &mask.head);
xcb_flush(connection);
}
private:
XcbUniquePtr<xcb_connection_t, xcb_disconnect> m_xcbConnection = nullptr;
};
Code/Framework/AzFramework/Platform/Common/Xcb/AzFramework/XcbConnectionManager.h
+3
View File
@@ -24,6 +24,9 @@ namespace AzFramework
virtual ~XcbConnectionManager() = default;
virtual xcb_connection_t* GetXcbConnection() const = 0;
//! Enables/Disables XInput Raw Input events.
virtual void SetEnableXInput(xcb_connection_t* connection, bool enable) = 0;
};
class XcbConnectionManagerBusTraits
Code/Framework/AzFramework/Platform/Common/Xcb/AzFramework/XcbEventHandler.h
-3
View File
@@ -23,9 +23,6 @@ namespace AzFramework
virtual ~XcbEventHandler() = default;
virtual void HandleXcbEvent(xcb_generic_event_t* event) = 0;
// ATTN This is used as a workaround for RAW Input events when using the Editor.
virtual void PollSpecialEvents(){};
};
class XcbEventHandlerBusTraits : public AZ::EBusTraits
Code/Framework/AzFramework/Platform/Common/Xcb/AzFramework/XcbInputDeviceMouse.cpp
+97 -180
View File
@@ -13,21 +13,68 @@
namespace AzFramework
{
xcb_window_t GetSystemCursorFocusWindow()
xcb_window_t GetSystemCursorFocusWindow(xcb_connection_t* connection)
{
void* systemCursorFocusWindow = nullptr;
AzFramework::InputSystemCursorConstraintRequestBus::BroadcastResult(
systemCursorFocusWindow, &AzFramework::InputSystemCursorConstraintRequests::GetSystemCursorConstraintWindow);
if (!systemCursorFocusWindow)
if (systemCursorFocusWindow)
{
return XCB_NONE;
return static_cast<xcb_window_t>(reinterpret_cast<uint64_t>(systemCursorFocusWindow));
}
// TODO Clang compile error because cast .... loses information. On GNU/Linux HWND is void* and on 64-bit
// machines its obviously 64 bit but we receive the window id from m_renderOverlay.winId() which is xcb_window_t 32-bit.
// EWMH-compliant window managers set the "_NET_ACTIVE_WINDOW" property
// of the X server's root window to the currently active window. This
// retrieves value of that property.
return static_cast<xcb_window_t>(reinterpret_cast<uint64_t>(systemCursorFocusWindow));
// Get the atom for the _NET_ACTIVE_WINDOW property
constexpr int propertyNameLength = 18;
xcb_generic_error_t* error = nullptr;
XcbStdFreePtr<xcb_intern_atom_reply_t> activeWindowAtom {xcb_intern_atom_reply(
connection,
xcb_intern_atom(connection, /*only_if_exists=*/ 1, propertyNameLength, "_NET_ACTIVE_WINDOW"),
&error
)};
if (!activeWindowAtom || error)
{
if (error)
{
AZ_Warning("XcbInput", false, "Retrieving _NET_ACTIVE_WINDOW atom failed : Error code %d", error->error_code);
free(error);
}
return XCB_WINDOW_NONE;
}
// Get the root window
const xcb_window_t rootWId = xcb_setup_roots_iterator(xcb_get_setup(connection)).data->root;
// Fetch the value of the root window's _NET_ACTIVE_WINDOW property
XcbStdFreePtr<xcb_get_property_reply_t> property {xcb_get_property_reply(
connection,
xcb_get_property(
/*c=*/connection,
/*_delete=*/ 0,
/*window=*/rootWId,
/*property=*/activeWindowAtom->atom,
/*type=*/XCB_ATOM_WINDOW,
/*long_offset=*/0,
/*long_length=*/1
),
&error
)};
if (!property || error)
{
if (error)
{
AZ_Warning("XcbInput", false, "Retrieving _NET_ACTIVE_WINDOW atom failed : Error code %d", error->error_code);
free(error);
}
return XCB_WINDOW_NONE;
}
return *static_cast<xcb_window_t*>(xcb_get_property_value(property.get()));
}
xcb_connection_t* XcbInputDeviceMouse::s_xcbConnection = nullptr;
@@ -39,8 +86,7 @@ namespace AzFramework
: InputDeviceMouse::Implementation(inputDevice)
, m_systemCursorState(SystemCursorState::Unknown)
, m_systemCursorPositionNormalized(0.5f, 0.5f)
, m_prevConstraintWindow(XCB_NONE)
, m_focusWindow(XCB_NONE)
, m_focusWindow(XCB_WINDOW_NONE)
, m_cursorShown(true)
{
XcbEventHandlerBus::Handler::BusConnect();
@@ -57,14 +103,14 @@ namespace AzFramework
InputDeviceMouse::Implementation* XcbInputDeviceMouse::Create(InputDeviceMouse& inputDevice)
{
auto* interface = AzFramework::XcbConnectionManagerInterface::Get();
const auto* interface = AzFramework::XcbConnectionManagerInterface::Get();
if (!interface)
{
AZ_Warning("XcbInput", false, "XCB interface not available");
return nullptr;
}
s_xcbConnection = AzFramework::XcbConnectionManagerInterface::Get()->GetXcbConnection();
s_xcbConnection = interface->GetXcbConnection();
if (!s_xcbConnection)
{
AZ_Warning("XcbInput", false, "XCB connection not available");
@@ -126,7 +172,7 @@ namespace AzFramework
// Get window information.
const XcbStdFreePtr<xcb_get_geometry_reply_t> xcbGeometryReply{ xcb_get_geometry_reply(
s_xcbConnection, xcb_get_geometry(s_xcbConnection, window), NULL) };
s_xcbConnection, xcb_get_geometry(s_xcbConnection, window), nullptr) };
if (!xcbGeometryReply)
{
@@ -137,7 +183,7 @@ namespace AzFramework
xcb_translate_coordinates(s_xcbConnection, window, s_xcbScreen->root, 0, 0);
const XcbStdFreePtr<xcb_translate_coordinates_reply_t> xkbTranslateCoordReply{ xcb_translate_coordinates_reply(
s_xcbConnection, translate_coord, NULL) };
s_xcbConnection, translate_coord, nullptr) };
if (!xkbTranslateCoordReply)
{
@@ -173,11 +219,11 @@ namespace AzFramework
for (const auto& barrier : m_activeBarriers)
{
xcb_void_cookie_t cookie = xcb_xfixes_create_pointer_barrier_checked(
s_xcbConnection, barrier.id, window, barrier.x0, barrier.y0, barrier.x1, barrier.y1, barrier.direction, 0, NULL);
const XcbStdFreePtr<xcb_generic_error_t> xkbError{ xcb_request_check(s_xcbConnection, cookie) };
s_xcbConnection, barrier.id, window, barrier.x0, barrier.y0, barrier.x1, barrier.y1, barrier.direction, 0, nullptr);
const XcbStdFreePtr<xcb_generic_error_t> xcbError{ xcb_request_check(s_xcbConnection, cookie) };
AZ_Warning(
"XcbInput", !xkbError, "XFixes, failed to create barrier %d at (%d %d %d %d)", barrier.id, barrier.x0, barrier.y0,
"XcbInput", !xcbError, "XFixes, failed to create barrier %d at (%d %d %d %d)", barrier.id, barrier.x0, barrier.y0,
barrier.x1, barrier.y1);
}
}
@@ -207,7 +253,7 @@ namespace AzFramework
const xcb_xfixes_query_version_cookie_t query_cookie = xcb_xfixes_query_version(s_xcbConnection, 5, 0);
xcb_generic_error_t* error = NULL;
xcb_generic_error_t* error = nullptr;
const XcbStdFreePtr<xcb_xfixes_query_version_reply_t> xkbQueryRequestReply{ xcb_xfixes_query_version_reply(
s_xcbConnection, query_cookie, &error) };
@@ -244,7 +290,7 @@ namespace AzFramework
const xcb_input_xi_query_version_cookie_t query_version_cookie = xcb_input_xi_query_version(s_xcbConnection, 2, 2);
xcb_generic_error_t* error = NULL;
xcb_generic_error_t* error = nullptr;
const XcbStdFreePtr<xcb_input_xi_query_version_reply_t> xkbQueryRequestReply{ xcb_input_xi_query_version_reply(
s_xcbConnection, query_version_cookie, &error) };
@@ -268,40 +314,13 @@ namespace AzFramework
return m_xInputInitialized;
}
void XcbInputDeviceMouse::SetEnableXInput(bool enable)
{
struct
{
xcb_input_event_mask_t head;
int mask;
} mask;
mask.head.deviceid = XCB_INPUT_DEVICE_ALL;
mask.head.mask_len = 1;
if (enable)
{
mask.mask = XCB_INPUT_XI_EVENT_MASK_RAW_MOTION | XCB_INPUT_XI_EVENT_MASK_RAW_BUTTON_PRESS |
XCB_INPUT_XI_EVENT_MASK_RAW_BUTTON_RELEASE | XCB_INPUT_XI_EVENT_MASK_MOTION | XCB_INPUT_XI_EVENT_MASK_BUTTON_PRESS |
XCB_INPUT_XI_EVENT_MASK_BUTTON_RELEASE;
}
else
{
mask.mask = XCB_NONE;
}
xcb_input_xi_select_events(s_xcbConnection, s_xcbScreen->root, 1, &mask.head);
xcb_flush(s_xcbConnection);
}
void XcbInputDeviceMouse::SetSystemCursorState(SystemCursorState systemCursorState)
{
if (systemCursorState != m_systemCursorState)
{
m_systemCursorState = systemCursorState;
m_focusWindow = GetSystemCursorFocusWindow();
m_focusWindow = GetSystemCursorFocusWindow(s_xcbConnection);
HandleCursorState(m_focusWindow, systemCursorState);
}
@@ -309,52 +328,10 @@ namespace AzFramework
void XcbInputDeviceMouse::HandleCursorState(xcb_window_t window, SystemCursorState systemCursorState)
{
bool confined = false, cursorShown = true;
switch (systemCursorState)
{
case SystemCursorState::ConstrainedAndHidden:
{
//!< Constrained to the application's main window and hidden
confined = true;
cursorShown = false;
}
break;
case SystemCursorState::ConstrainedAndVisible:
{
//!< Constrained to the application's main window and visible
confined = true;
}
break;
case SystemCursorState::UnconstrainedAndHidden:
{
//!< Free to move outside the main window but hidden while inside
cursorShown = false;
}
break;
case SystemCursorState::UnconstrainedAndVisible:
{
//!< Free to move outside the application's main window and visible
}
case SystemCursorState::Unknown:
default:
break;
}
// ATTN GetSystemCursorFocusWindow when getting out of the play in editor will return XCB_NONE
// We need however the window id to reset the cursor.
if (XCB_NONE == window && (confined || cursorShown))
{
// Reuse the previous window to reset states.
window = m_prevConstraintWindow;
m_prevConstraintWindow = XCB_NONE;
}
else
{
// Remember the window we used to modify cursor and barrier states.
m_prevConstraintWindow = window;
}
SetEnableXInput(!cursorShown);
const bool confined = (systemCursorState == SystemCursorState::ConstrainedAndHidden) ||
(systemCursorState == SystemCursorState::ConstrainedAndVisible);
const bool cursorShown = (systemCursorState == SystemCursorState::ConstrainedAndVisible) ||
(systemCursorState == SystemCursorState::UnconstrainedAndVisible);
CreateBarriers(window, confined);
ShowCursor(window, cursorShown);
@@ -368,26 +345,26 @@ namespace AzFramework
void XcbInputDeviceMouse::SetSystemCursorPositionNormalizedInternal(xcb_window_t window, AZ::Vector2 positionNormalized)
{
// TODO Basically not done at all. Added only the basic functions needed.
const XcbStdFreePtr<xcb_get_geometry_reply_t> xkbGeometryReply{ xcb_get_geometry_reply(
s_xcbConnection, xcb_get_geometry(s_xcbConnection, window), NULL) };
const XcbStdFreePtr<xcb_get_geometry_reply_t> xcbGeometryReply{ xcb_get_geometry_reply(
s_xcbConnection, xcb_get_geometry(s_xcbConnection, window), nullptr) };
if (!xkbGeometryReply)
if (!xcbGeometryReply)
{
return;
}
const int16_t x = static_cast<int16_t>(positionNormalized.GetX() * xkbGeometryReply->width);
const int16_t y = static_cast<int16_t>(positionNormalized.GetY() * xkbGeometryReply->height);
const int16_t x = static_cast<int16_t>(positionNormalized.GetX() * xcbGeometryReply->width);
const int16_t y = static_cast<int16_t>(positionNormalized.GetY() * xcbGeometryReply->height);
xcb_warp_pointer(s_xcbConnection, XCB_NONE, window, 0, 0, 0, 0, x, y);
xcb_warp_pointer(s_xcbConnection, XCB_WINDOW_NONE, window, 0, 0, 0, 0, x, y);
xcb_flush(s_xcbConnection);
}
void XcbInputDeviceMouse::SetSystemCursorPositionNormalized(AZ::Vector2 positionNormalized)
{
const xcb_window_t window = GetSystemCursorFocusWindow();
if (XCB_NONE == window)
const xcb_window_t window = GetSystemCursorFocusWindow(s_xcbConnection);
if (XCB_WINDOW_NONE == window)
{
return;
}
@@ -401,7 +378,7 @@ namespace AzFramework
const xcb_query_pointer_cookie_t pointer = xcb_query_pointer(s_xcbConnection, window);
const XcbStdFreePtr<xcb_query_pointer_reply_t> xkbQueryPointerReply{ xcb_query_pointer_reply(s_xcbConnection, pointer, NULL) };
const XcbStdFreePtr<xcb_query_pointer_reply_t> xkbQueryPointerReply{ xcb_query_pointer_reply(s_xcbConnection, pointer, nullptr) };
if (!xkbQueryPointerReply)
{
@@ -409,7 +386,7 @@ namespace AzFramework
}
const XcbStdFreePtr<xcb_get_geometry_reply_t> xkbGeometryReply{ xcb_get_geometry_reply(
s_xcbConnection, xcb_get_geometry(s_xcbConnection, window), NULL) };
s_xcbConnection, xcb_get_geometry(s_xcbConnection, window), nullptr) };
if (!xkbGeometryReply)
{
@@ -429,8 +406,8 @@ namespace AzFramework
AZ::Vector2 XcbInputDeviceMouse::GetSystemCursorPositionNormalized() const
{
const xcb_window_t window = GetSystemCursorFocusWindow();
if (XCB_NONE == window)
const xcb_window_t window = GetSystemCursorFocusWindow(s_xcbConnection);
if (XCB_WINDOW_NONE == window)
{
return AZ::Vector2::CreateZero();
}
@@ -455,11 +432,11 @@ namespace AzFramework
cookie = xcb_xfixes_hide_cursor_checked(s_xcbConnection, window);
}
const XcbStdFreePtr<xcb_generic_error_t> xkbError{ xcb_request_check(s_xcbConnection, cookie) };
const XcbStdFreePtr<xcb_generic_error_t> xcbError{ xcb_request_check(s_xcbConnection, cookie) };
if (xkbError)
if (xcbError)
{
AZ_Warning("XcbInput", false, "ShowCursor failed: %d", xkbError->error_code);
AZ_Warning("XcbInput", false, "ShowCursor failed: %d", xcbError->error_code);
return;
}
@@ -500,14 +477,6 @@ namespace AzFramework
}
}
void XcbInputDeviceMouse::HandlePointerMotionEvents(const xcb_generic_event_t* event)
{
const xcb_input_motion_event_t* mouseMotionEvent = reinterpret_cast<const xcb_input_motion_event_t*>(event);
m_systemCursorPosition[0] = mouseMotionEvent->event_x;
m_systemCursorPosition[1] = mouseMotionEvent->event_y;
}
void XcbInputDeviceMouse::HandleRawInputEvents(const xcb_ge_generic_event_t* event)
{
const xcb_ge_generic_event_t* genericEvent = reinterpret_cast<const xcb_ge_generic_event_t*>(event);
@@ -552,78 +521,20 @@ namespace AzFramework
}
}
void XcbInputDeviceMouse::PollSpecialEvents()
{
while (xcb_generic_event_t* genericEvent = xcb_poll_for_queued_event(s_xcbConnection))
{
// TODO Is the following correct? If we are showing the cursor, don't poll RAW Input events.
switch (genericEvent->response_type & ~0x80)
{
case XCB_GE_GENERIC:
{
const xcb_ge_generic_event_t* geGenericEvent = reinterpret_cast<const xcb_ge_generic_event_t*>(genericEvent);
// Only handle raw inputs if we have focus.
// Handle Raw Input events first.
if ((geGenericEvent->event_type == XCB_INPUT_RAW_BUTTON_PRESS) ||
(geGenericEvent->event_type == XCB_INPUT_RAW_BUTTON_RELEASE) ||
(geGenericEvent->event_type == XCB_INPUT_RAW_MOTION))
{
HandleRawInputEvents(geGenericEvent);
free(genericEvent);
}
}
break;
}
}
}
void XcbInputDeviceMouse::HandleXcbEvent(xcb_generic_event_t* event)
{
switch (event->response_type & ~0x80)
{
// QT5 is using by default XInput which means we do need to check for XCB_GE_GENERIC event to parse all mouse related events.
// XInput raw events are sent from the server as a XCB_GE_GENERIC
// event. A XCB_GE_GENERIC event is typecast to a
// xcb_ge_generic_event_t, which is distinct from a
// xcb_generic_event_t, and exists so that X11 extensions can extend
// the event emission beyond the size that a normal X11 event could
// contain.
case XCB_GE_GENERIC:
{
const xcb_ge_generic_event_t* genericEvent = reinterpret_cast<const xcb_ge_generic_event_t*>(event);
// Handling RAW Inputs here works in GameMode but not in Editor mode because QT is
// not handling RAW input events and passing to.
if (!m_cursorShown)
{
// Handle Raw Input events first.
if ((genericEvent->event_type == XCB_INPUT_RAW_BUTTON_PRESS) ||
(genericEvent->event_type == XCB_INPUT_RAW_BUTTON_RELEASE) || (genericEvent->event_type == XCB_INPUT_RAW_MOTION))
{
HandleRawInputEvents(genericEvent);
}
}
else
{
switch (genericEvent->event_type)
{
case XCB_INPUT_BUTTON_PRESS:
{
const xcb_input_button_press_event_t* mouseButtonEvent =
reinterpret_cast<const xcb_input_button_press_event_t*>(genericEvent);
HandleButtonPressEvents(mouseButtonEvent->detail, true);
}
break;
case XCB_INPUT_BUTTON_RELEASE:
{
const xcb_input_button_release_event_t* mouseButtonEvent =
reinterpret_cast<const xcb_input_button_release_event_t*>(genericEvent);
HandleButtonPressEvents(mouseButtonEvent->detail, false);
}
break;
case XCB_INPUT_MOTION:
{
HandlePointerMotionEvents(event);
}
break;
}
}
HandleRawInputEvents(genericEvent);
}
break;
case XCB_FOCUS_IN:
@@ -634,6 +545,9 @@ namespace AzFramework
m_focusWindow = focusInEvent->event;
HandleCursorState(m_focusWindow, m_systemCursorState);
}
auto* interface = AzFramework::XcbConnectionManagerInterface::Get();
interface->SetEnableXInput(interface->GetXcbConnection(), true);
}
break;
case XCB_FOCUS_OUT:
@@ -644,7 +558,10 @@ namespace AzFramework
ProcessRawEventQueues();
ResetInputChannelStates();
m_focusWindow = XCB_NONE;
m_focusWindow = XCB_WINDOW_NONE;
auto* interface = AzFramework::XcbConnectionManagerInterface::Get();
interface->SetEnableXInput(interface->GetXcbConnection(), false);
}
break;
}
Code/Framework/AzFramework/Platform/Common/Xcb/AzFramework/XcbInputDeviceMouse.h
-13
View File
@@ -65,9 +65,6 @@ namespace AzFramework
//! \ref AzFramework::InputDeviceMouse::Implementation::TickInputDevice
void TickInputDevice() override;
//! This method is called by the Editor to accommodate some events with the Editor. Never called in Game mode.
void PollSpecialEvents() override;
//! Handle X11 events.
void HandleXcbEvent(xcb_generic_event_t* event) override;
@@ -77,9 +74,6 @@ namespace AzFramework
//! Initialize XInput extension. Used for raw input during confinement and showing/hiding the cursor.
static bool InitializeXInput();
//! Enables/Disables XInput Raw Input events.
void SetEnableXInput(bool enable);
//! Create barriers.
void CreateBarriers(xcb_window_t window, bool create);
@@ -98,9 +92,6 @@ namespace AzFramework
//! Handle button press/release events.
void HandleButtonPressEvents(uint32_t detail, bool pressed);
//! Handle motion notify events.
void HandlePointerMotionEvents(const xcb_generic_event_t* event);
//! Will set cursor states and confinement modes.
void HandleCursorState(xcb_window_t window, SystemCursorState systemCursorState);
@@ -160,7 +151,6 @@ namespace AzFramework
AZ::Vector2 m_cursorHiddenPosition;
AZ::Vector2 m_systemCursorPositionNormalized;
uint32_t m_systemCursorPosition[MAX_XI_RAW_AXIS];
static xcb_connection_t* s_xcbConnection;
static xcb_screen_t* s_xcbScreen;
@@ -171,9 +161,6 @@ namespace AzFramework
//! Will be true if the xinput2 extension could be initialized.
static bool m_xInputInitialized;
//! The window that had focus
xcb_window_t m_prevConstraintWindow;
//! The current window that has focus
xcb_window_t m_focusWindow;
Code/Framework/AzFramework/Platform/Linux/AzFramework/Asset/AssetSystemComponentHelper_Linux.cpp
+74 -39
View File
@@ -9,19 +9,71 @@
#include <AzCore/IO/Path/Path.h>
#include <AzCore/IO/SystemFile.h>
#include <AzCore/Settings/SettingsRegistryMergeUtils.h>
#include <AzCore/Console/IConsole.h>
#include <AzCore/std/containers/array.h>
#include <AzCore/std/tuple.h>
#include <errno.h>
#include <cerrno>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/prctl.h>
#include <unistd.h>
AZ_CVAR(bool, ap_tether_lifetime, true, nullptr, AZ::ConsoleFunctorFlags::Null,
"If enabled, a parent process that launches the AP will terminate the AP on exit");
namespace AzFramework::AssetSystem::Platform
{
void AllowAssetProcessorToForeground()
{}
[[noreturn]] static void LaunchAssetProcessorDirectly(const AZ::IO::FixedMaxPath& assetProcessorPath, AZStd::string_view engineRoot, AZStd::string_view projectPath)
{
AZStd::fixed_vector<const char*, 5> args {
assetProcessorPath.c_str(),
"--start-hidden",
};
// Add the engine path to the launch command if not empty
AZ::IO::FixedMaxPathString engineRootArg;
if (!engineRoot.empty())
{
// No need to quote these paths, this code calls exec directly and
// does not go through shell string interpolation
engineRootArg = AZ::IO::FixedMaxPathString{"--engine-path="} + AZ::IO::FixedMaxPathString{engineRoot};
args.push_back(engineRootArg.data());
}
// Add the active project path to the launch command if not empty
AZ::IO::FixedMaxPathString projectPathArg;
if (!projectPath.empty())
{
projectPathArg = AZ::IO::FixedMaxPathString{"--regset=/Amazon/AzCore/Bootstrap/project_path="} + AZ::IO::FixedMaxPathString{projectPath};
args.push_back(projectPathArg.data());
}
// Make sure this is at the end
args.push_back(nullptr); // argv itself needs to be null-terminated
execv(args[0], const_cast<char**>(args.data()));
// exec* family of functions only return on error
fprintf(stderr, "Asset Processor failed with error: %s\n", strerror(errno));
_exit(1);
}
static pid_t LaunchAssetProcessorDaemonized(const AZ::IO::FixedMaxPath& assetProcessorPath, AZStd::string_view engineRoot, AZStd::string_view projectPath)
{
// detach the child from parent
setsid();
const pid_t secondChildPid = fork();
if (secondChildPid == 0)
{
LaunchAssetProcessorDirectly(assetProcessorPath, engineRoot, projectPath);
}
return secondChildPid;
}
bool LaunchAssetProcessor(AZStd::string_view executableDirectory, AZStd::string_view engineRoot,
AZStd::string_view projectPath)
{
@@ -40,7 +92,8 @@ namespace AzFramework::AssetSystem::Platform
}
}
pid_t firstChildPid = fork();
const pid_t parentPid = getpid();
const pid_t firstChildPid = fork();
if (firstChildPid == 0)
{
// redirect output to dev/null so it doesn't hijack an existing console window
@@ -53,51 +106,33 @@ namespace AzFramework::AssetSystem::Platform
AZ::IO::FileDescriptorRedirector stderrRedirect(STDERR_FILENO);
stderrRedirect.RedirectTo(devNull, mode);
// detach the child from parent
setsid();
pid_t secondChildPid = fork();
if (secondChildPid == 0)
if (ap_tether_lifetime)
{
AZStd::array args {
assetProcessorPath.c_str(), assetProcessorPath.c_str(), "--start-hidden",
static_cast<const char*>(nullptr), static_cast<const char*>(nullptr), static_cast<const char*>(nullptr)
};
int optionalArgPos = 3;
// Add the engine path to the launch command if not empty
AZ::IO::FixedMaxPathString engineRootArg;
if (!engineRoot.empty())
prctl(PR_SET_PDEATHSIG, SIGTERM);
if (getppid() != parentPid)
{
engineRootArg = AZ::IO::FixedMaxPathString::format(R"(--engine-path="%.*s")",
aznumeric_cast<int>(engineRoot.size()), engineRoot.data());
args[optionalArgPos++] = engineRootArg.data();
_exit(1);
}
LaunchAssetProcessorDirectly(assetProcessorPath, engineRoot, projectPath);
}
else
{
const pid_t secondChildPid = LaunchAssetProcessorDaemonized(assetProcessorPath, engineRoot, projectPath);
stdoutRedirect.Reset();
stderrRedirect.Reset();
// Add the active project path to the launch command if not empty
AZ::IO::FixedMaxPathString projectPathArg;
if (!projectPath.empty())
{
projectPathArg = AZ::IO::FixedMaxPathString::format(R"(--regset="/Amazon/AzCore/Bootstrap/project_path=%.*s")",
aznumeric_cast<int>(projectPath.size()), projectPath.data());
args[optionalArgPos++] = projectPathArg.data();
}
AZStd::apply(execl, args);
// exec* family of functions only exit on error
AZ_Error("AssetSystemComponent", false, "Asset Processor failed with error: %s", strerror(errno));
_exit(1);
// exit the transient child with proper return code
int ret = (secondChildPid < 0) ? 1 : 0;
_exit(ret);
}
stdoutRedirect.Reset();
stderrRedirect.Reset();
// exit the transient child with proper return code
int ret = (secondChildPid < 0) ? 1 : 0;
_exit(ret);
}
else if (firstChildPid > 0)
{
if (ap_tether_lifetime)
{
return true;
}
// wait for first child to exit to ensure the second child was started
int status = 0;
pid_t ret = waitpid(firstChildPid, &status, 0);
@@ -106,4 +141,4 @@ namespace AzFramework::AssetSystem::Platform
return false;
}
}
} // namespace AzFramework::AssetSystem::Platform