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OpenXR: Add profiling macro for process, xrWaitFrame() and acquiring swapchain

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This commit is contained in:
David Snopek
2025-11-17 14:49:37 -06:00
parent 68410acc61
commit 01a5ba4b9d
2 changed files with 12 additions and 0 deletions
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10
modules/openxr/openxr_api.cpp
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@@ -36,6 +36,7 @@
#include "core/config/engine.h"
#include "core/config/project_settings.h"
#include "core/os/memory.h"
#include "core/profiling/profiling.h"
#include "core/version.h"
#include "openxr_platform_inc.h"
@@ -170,6 +171,7 @@ void OpenXRAPI::OpenXRSwapChainInfo::free() {
}
bool OpenXRAPI::OpenXRSwapChainInfo::acquire(bool &p_should_render) {
GodotProfileZone("OpenXR: acquire swapchain");
ERR_FAIL_COND_V(image_acquired, true); // This was not released when it should be, error out and reuse...
OpenXRAPI *openxr_api = OpenXRAPI::get_singleton();
@@ -2239,11 +2241,15 @@ bool OpenXRAPI::process() {
return false;
}
GodotProfileZone("OpenXRAPI::process");
GodotProfileZoneGroupedFirst(_profile_zone, "xrWaitFrame");
// We call xrWaitFrame as early as possible, this will allow OpenXR to get
// proper timing info between this point, and when we're ready to start rendering.
// As the name suggests, OpenXR can pause the thread to minimize the time between
// retrieving tracking data and using that tracking data to render.
// OpenXR thus works best if rendering is performed on a separate thread.
void *frame_wait_info_next_pointer = nullptr;
for (OpenXRExtensionWrapper *extension : frame_info_extensions) {
void *np = extension->set_frame_wait_info_and_get_next_pointer(frame_wait_info_next_pointer);
@@ -2277,20 +2283,24 @@ bool OpenXRAPI::process() {
frame_state.predictedDisplayPeriod = 0;
}
GodotProfileZoneGrouped(_profile_zone, "set_render_display_info");
set_render_display_info(frame_state.predictedDisplayTime, frame_state.shouldRender);
// This is before setup_play_space() to ensure that it happens on the frame after
// the play space has been created.
if (unlikely(local_floor_emulation.should_reset_floor_height && !play_space_is_dirty)) {
GodotProfileZoneGrouped(_profile_zone, "reset_emulated_floor_height");
reset_emulated_floor_height();
local_floor_emulation.should_reset_floor_height = false;
}
if (unlikely(play_space_is_dirty)) {
GodotProfileZoneGrouped(_profile_zone, "setup_play_space");
setup_play_space();
play_space_is_dirty = false;
}
GodotProfileZoneGrouped(_profile_zone, "extension wrappers on_process");
for (OpenXRExtensionWrapper *wrapper : registered_extension_wrappers) {
wrapper->on_process();
}