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Add async AER extra eye copy for OpenXR in D3D11Component #7

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Add async AER extra eye copy for OpenXR in D3D11Component #7

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5575806
add OpenXR extra copy for non-rendered eye in async AER
claude Feb 4, 2026
f30522d
fix right eye flickering in 8-bit path for async AER
claude Feb 4, 2026
1430123
enable async AER for D3D11 OpenXR
claude Feb 4, 2026
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11 changes: 7 additions & 4 deletions src/mods/VR.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -136,10 +136,13 @@ class VR : public Mod {
// int32_t get_game_frame_count() const;

bool is_using_async_aer() const {
// openVR has issues with 2 different poses at the same time for non steam native VR hmds like oculus
// for these exceptions need to implement viewport cropping and viewport reprojection
//TODO it looks like runtime does not fully support dx11 reprojeciton, I need to do it manually
return m_use_async_aer->value() && g_framework->is_dx12();
if (!m_use_async_aer->value()) {
return false;
}
if (g_framework->is_dx12()) {
return true;
}
return get_runtime()->is_openxr();
}

bool is_gui_enabled() const {
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14 changes: 14 additions & 0 deletions src/mods/vr/D3D11Component.cpp
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Expand Up @@ -299,6 +299,12 @@ vr::EVRCompositorError D3D11Component::on_frame(VR* vr) {
if (runtime->is_openxr() && runtime->ready()) {
LOG_VERBOSE("Copying left eye");
m_openxr.copy(0, (ID3D11Texture2D*)copy_from_tex.Get());

if (vr->is_using_async_aer()) {
auto right_eye_source = backbufferIs8Bit ? m_right_eye_tex : m_right_eye_rt.tex;
LOG_VERBOSE("Copying right eye (async AER extra copy)");
m_openxr.copy(1, (ID3D11Texture2D*)right_eye_source.Get());
}
}

if (runtime->is_openvr()) {
Expand Down Expand Up @@ -360,11 +366,19 @@ vr::EVRCompositorError D3D11Component::on_frame(VR* vr) {
m_toneMap->SetExposure(settings.toneMapExposure);
m_toneMap->SetHDRSourceTexture(m_backbuffer_copy_rt);
m_toneMap->Process(context.Get());
} else if (backbufferIs8Bit) {
context->CopyResource(m_right_eye_tex.Get(), backbuffer.Get());
}

if (runtime->ready() && runtime->is_openxr()) {
LOG_VERBOSE("Copying right eye");
m_openxr.copy(1, (ID3D11Texture2D*)copy_from_tex.Get());

if (vr->is_using_async_aer()) {
auto left_eye_source = backbufferIs8Bit ? m_left_eye_tex : m_left_eye_rt.tex;
LOG_VERBOSE("Copying left eye (async AER extra copy)");
m_openxr.copy(0, (ID3D11Texture2D*)left_eye_source.Get());
}
}

if (runtime->is_openvr()) {
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