| 27 | |
| 28 | OVR_PUBLIC_FUNCTION(ovrResult) |
| 29 | ovr_GetInstanceExtensionsVk( |
| 30 | ovrGraphicsLuid luid, |
| 31 | char* extensionNames, |
| 32 | uint32_t* inoutExtensionNamesSize) |
| 33 | { |
| 34 | if (!inoutExtensionNamesSize) |
| 35 | ovrError_InvalidParameter; |
| 36 | |
| 37 | if (Runtime::Get().Supports(XR_KHR_VULKAN_ENABLE_EXTENSION_NAME)) |
| 38 | { |
| 39 | XR_FUNCTION(g_Instance, GetVulkanInstanceExtensionsKHR); |
| 40 | |
| 41 | XrSystemId system; |
| 42 | XrSystemGetInfo info = XR_TYPE(SYSTEM_GET_INFO); |
| 43 | info.formFactor = XR_FORM_FACTOR_HEAD_MOUNTED_DISPLAY; |
| 44 | CHK_XR(xrGetSystem(g_Instance, &info, &system)); |
| 45 | CHK_XR(GetVulkanInstanceExtensionsKHR(g_Instance, system, *inoutExtensionNamesSize, inoutExtensionNamesSize, extensionNames)); |
| 46 | } |
| 47 | else |
| 48 | { |
| 49 | uint32_t size = *inoutExtensionNamesSize; |
| 50 | *inoutExtensionNamesSize = 1; |
| 51 | |
| 52 | if (extensionNames && size >= 1) |
| 53 | *extensionNames = '\0'; |
| 54 | if (size < 1) |
| 55 | return ovrError_InsufficientArraySize; |
| 56 | } |
| 57 | return ovrSuccess; |
| 58 | } |
| 59 | |
| 60 | OVR_PUBLIC_FUNCTION(ovrResult) |
| 61 | ovr_GetDeviceExtensionsVk( |