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OpenXR - Foveation implemented (Quest only)

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Lubos 2023-03-09 20:42:49 +01:00
parent 61b0513046
commit 4fcc69242e
6 changed files with 78 additions and 0 deletions
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59
Common/VR/VRFramebuffer.cpp
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@ -105,6 +105,15 @@ static bool ovrFramebuffer_CreateGLES(XrSession session, ovrFramebuffer* frameBu
swapChainCreateInfo.mipCount = 1;
swapChainCreateInfo.arraySize = multiview ? 2 : 1;
#ifdef ANDROID
if (VR_GetPlatformFlag(VR_PLATFORM_EXTENSION_FOVEATION)) {
XrSwapchainCreateInfoFoveationFB swapChainFoveationCreateInfo;
memset(&swapChainFoveationCreateInfo, 0, sizeof(swapChainFoveationCreateInfo));
swapChainFoveationCreateInfo.type = XR_TYPE_SWAPCHAIN_CREATE_INFO_FOVEATION_FB;
swapChainCreateInfo.next = &swapChainFoveationCreateInfo;
}
#endif
frameBuffer->ColorSwapChain.Width = swapChainCreateInfo.width;
frameBuffer->ColorSwapChain.Height = swapChainCreateInfo.height;
@ -198,6 +207,15 @@ static bool ovrFramebuffer_CreateVK(XrSession session, ovrFramebuffer* frameBuff
swapChainCreateInfo.mipCount = 1;
swapChainCreateInfo.arraySize = multiview ? 2 : 1;
#ifdef ANDROID
if (VR_GetPlatformFlag(VR_PLATFORM_EXTENSION_FOVEATION)) {
XrSwapchainCreateInfoFoveationFB swapChainFoveationCreateInfo;
memset(&swapChainFoveationCreateInfo, 0, sizeof(swapChainFoveationCreateInfo));
swapChainFoveationCreateInfo.type = XR_TYPE_SWAPCHAIN_CREATE_INFO_FOVEATION_FB;
swapChainCreateInfo.next = &swapChainFoveationCreateInfo;
}
#endif
frameBuffer->ColorSwapChain.Width = swapChainCreateInfo.width;
frameBuffer->ColorSwapChain.Height = swapChainCreateInfo.height;
@ -407,6 +425,47 @@ void ovrRenderer_MouseCursor(ovrRenderer* renderer, int x, int y, int sx, int sy
}
}
#ifdef ANDROID
void ovrRenderer_SetFoveation(XrInstance* instance, XrSession* session, ovrRenderer* renderer, XrFoveationLevelFB level, float verticalOffset, XrFoveationDynamicFB dynamic) {
PFN_xrCreateFoveationProfileFB pfnCreateFoveationProfileFB;
OXR(xrGetInstanceProcAddr(*instance, "xrCreateFoveationProfileFB", (PFN_xrVoidFunction*)(&pfnCreateFoveationProfileFB)));
PFN_xrDestroyFoveationProfileFB pfnDestroyFoveationProfileFB;
OXR(xrGetInstanceProcAddr(*instance, "xrDestroyFoveationProfileFB", (PFN_xrVoidFunction*)(&pfnDestroyFoveationProfileFB)));
PFN_xrUpdateSwapchainFB pfnUpdateSwapchainFB;
OXR(xrGetInstanceProcAddr(*instance, "xrUpdateSwapchainFB", (PFN_xrVoidFunction*)(&pfnUpdateSwapchainFB)));
int instances = renderer->Multiview ? 1 : ovrMaxNumEyes;
for (int eye = 0; eye < instances; eye++) {
XrFoveationLevelProfileCreateInfoFB levelProfileCreateInfo;
memset(&levelProfileCreateInfo, 0, sizeof(levelProfileCreateInfo));
levelProfileCreateInfo.type = XR_TYPE_FOVEATION_LEVEL_PROFILE_CREATE_INFO_FB;
levelProfileCreateInfo.level = level;
levelProfileCreateInfo.verticalOffset = verticalOffset;
levelProfileCreateInfo.dynamic = dynamic;
XrFoveationProfileCreateInfoFB profileCreateInfo;
memset(&profileCreateInfo, 0, sizeof(profileCreateInfo));
profileCreateInfo.type = XR_TYPE_FOVEATION_PROFILE_CREATE_INFO_FB;
profileCreateInfo.next = &levelProfileCreateInfo;
XrFoveationProfileFB foveationProfile;
pfnCreateFoveationProfileFB(*session, &profileCreateInfo, &foveationProfile);
XrSwapchainStateFoveationFB foveationUpdateState;
memset(&foveationUpdateState, 0, sizeof(foveationUpdateState));
foveationUpdateState.type = XR_TYPE_SWAPCHAIN_STATE_FOVEATION_FB;
foveationUpdateState.profile = foveationProfile;
pfnUpdateSwapchainFB(renderer->FrameBuffer[eye].ColorSwapChain.Handle, (XrSwapchainStateBaseHeaderFB*)(&foveationUpdateState));
pfnDestroyFoveationProfileFB(foveationProfile);
}
}
#endif
/*
================================================================================