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fteqw/plugins/openxr.c
Spoike f35928f4fd OpenXR stuff should be a little more usable now. 
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5850 fc73d0e0-1445-4013-8a0c-d673dee63da5
2021-05-09 13:02:49 +00:00

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#include "plugin.h"
static plugfsfuncs_t *fsfuncs;
static pluginputfuncs_t *inputfuncs;
#include "../engine/client/vr.h"
//#define XR_NO_PROTOTYPES
//figure out which platforms(read: windowing apis) we need...
#if defined(_WIN32)
#define XR_USE_PLATFORM_WIN32
//#elif defined(ANDROID)
// #define XR_USE_PLATFORM_ANDROID
#else
#ifndef NO_X11
#define XR_USE_PLATFORM_XLIB
#endif
#if defined(GLQUAKE) && defined(USE_EGL)
//wayland, android, and x11-egl can all just use the EGL path...
//at least once the openxr spec gets fixed (the wayland extension is apparently basically unusable)
//note: XR_MND_egl_enable is a vendor extension to work around openxr stupidly trying to ignore it entirely.
#define XR_USE_PLATFORM_EGL
#endif
#endif
//figure out which graphics apis we need...
#ifdef GLQUAKE
#define XR_USE_GRAPHICS_API_OPENGL
#endif
#ifdef VKQUAKE
#define XR_USE_GRAPHICS_API_VULKAN
#endif
#ifdef D3D11QUAKE
#ifdef _WIN32
#define XR_USE_GRAPHICS_API_D3D11
#endif
#endif
//include any headers we need for things to make sense.
#ifdef XR_USE_GRAPHICS_API_OPENGL
#include "glquake.h"
#endif
#ifdef XR_USE_GRAPHICS_API_VULKAN
#include "../engine/vk/vkrenderer.h"
#endif
#ifdef XR_USE_GRAPHICS_API_D3D11
#include <d3d11.h>
#endif
#ifdef XR_USE_PLATFORM_EGL
#include "gl_videgl.h"
#endif
#ifdef XR_USE_PLATFORM_XLIB
#include <GL/glx.h>
#endif
//and finally include openxr stuff now that its hopefully not going to fail about missing typedefs.
#include <openxr/openxr_platform.h>
#ifdef XR_NO_PROTOTYPES
#define XRFUNCS \
XRFUNC(xrGetInstanceProcAddr) \
XRFUNC(xrResultToString) \
XRFUNC(xrEnumerateInstanceExtensionProperties) \
XRFUNC(xrCreateInstance) \
XRFUNC(xrGetInstanceProperties) \
XRFUNC(xrGetSystem) \
XRFUNC(xrGetSystemProperties) \
XRFUNC(xrEnumerateViewConfigurations) \
XRFUNC(xrEnumerateViewConfigurationViews) \
XRFUNC(xrCreateSession) \
XRFUNC(xrCreateReferenceSpace) \
XRFUNC(xrCreateActionSet) \
XRFUNC(xrStringToPath) \
XRFUNC(xrCreateAction) \
XRFUNC(xrSuggestInteractionProfileBindings) \
XRFUNC(xrCreateActionSpace) \
XRFUNC(xrAttachSessionActionSets) \
XRFUNC(xrSyncActions) \
XRFUNC(xrGetActionStatePose) \
XRFUNC(xrLocateSpace) \
XRFUNC(xrGetActionStateBoolean) \
XRFUNC(xrGetActionStateFloat) \
XRFUNC(xrGetActionStateVector2f) \
XRFUNC(xrGetCurrentInteractionProfile) \
XRFUNC(xrEnumerateBoundSourcesForAction) \
XRFUNC(xrGetInputSourceLocalizedName) \
XRFUNC(xrPathToString) \
XRFUNC(xrCreateSwapchain) \
XRFUNC(xrEnumerateSwapchainFormats) \
XRFUNC(xrEnumerateSwapchainImages) \
XRFUNC(xrPollEvent) \
XRFUNC(xrBeginSession) \
XRFUNC(xrWaitFrame) \
XRFUNC(xrBeginFrame) \
XRFUNC(xrLocateViews) \
XRFUNC(xrAcquireSwapchainImage) \
XRFUNC(xrWaitSwapchainImage) \
XRFUNC(xrReleaseSwapchainImage) \
XRFUNC(xrEndFrame) \
XRFUNC(xrRequestExitSession) \
XRFUNC(xrEndSession) \
XRFUNC(xrDestroySwapchain) \
XRFUNC(xrDestroySpace) \
XRFUNC(xrDestroySession) \
XRFUNC(xrDestroyInstance)
#define XRFUNC(n) static PFN_##n n;
XRFUNCS
#undef XRFUNC
#endif
#ifdef SVNREVISION
#define APPLICATIONVERSION atoi(STRINGIFY(SVNREVISION))
#define ENGINEVERSION atoi(STRINGIFY(SVNREVISION))
#else
#define APPLICATIONVERSION 0
#define ENGINEVERSION 0
#endif
static cvar_t *xr_enable;
static cvar_t *xr_debug;
static cvar_t *xr_formfactor;
static cvar_t *xr_viewconfig;
static cvar_t *xr_metresize;
static cvar_t *xr_skipregularview;
#define METRES_TO_QUAKE(x) ((x)*xr_metresize->value)
#define QUAKE_TO_METRES(x) ((x)/xr_metresize->value)
static void XR_PoseToAngOrg(const XrPosef *pose, vec3_t ang, vec3_t org)
{
XrQuaternionf q = pose->orientation;
const float sqw = q.w * q.w;
const float sqx = q.x * q.x;
const float sqy = q.y * q.y;
const float sqz = q.z * q.z;
ang[PITCH] = -asin(-2 * (q.y * q.z - q.w * q.x)) * (180/M_PI);
ang[YAW] = atan2(2 * (q.x * q.z + q.w * q.y), sqw - sqx - sqy + sqz) * (180/M_PI);
ang[ROLL] = -atan2(2 * (q.x * q.y + q.w * q.z), sqw - sqx + sqy - sqz) * (180/M_PI);
#if 1
org[0] = METRES_TO_QUAKE(-pose->position.z);
org[1] = METRES_TO_QUAKE(-pose->position.x);
org[2] = METRES_TO_QUAKE(pose->position.y);
#else
org[0] = METRES_TO_QUAKE(pose->position.x);
org[1] = METRES_TO_QUAKE(pose->position.y);
org[2] = METRES_TO_QUAKE(pose->position.z);
#endif
}
#define VectorAngles VectorAnglesPluginsSuck
static void VectorAngles(const float *forward, const float *up, float *result, qboolean meshpitch) //up may be NULL
{
float yaw, pitch, roll;
if (forward[1] == 0 && forward[0] == 0)
{
if (forward[2] > 0)
{
pitch = -M_PI * 0.5;
yaw = up ? atan2(-up[1], -up[0]) : 0;
}
else
{
pitch = M_PI * 0.5;
yaw = up ? atan2(up[1], up[0]) : 0;
}
roll = 0;
}
else
{
yaw = atan2(forward[1], forward[0]);
pitch = -atan2(forward[2], sqrt (forward[0]*forward[0] + forward[1]*forward[1]));
if (up)
{
vec_t cp = cos(pitch), sp = sin(pitch);
vec_t cy = cos(yaw), sy = sin(yaw);
vec3_t tleft, tup;
tleft[0] = -sy;
tleft[1] = cy;
tleft[2] = 0;
tup[0] = sp*cy;
tup[1] = sp*sy;
tup[2] = cp;
roll = -atan2(DotProduct(up, tleft), DotProduct(up, tup));
}
else
roll = 0;
}
pitch *= 180 / M_PI;
yaw *= 180 / M_PI;
roll *= 180 / M_PI;
// if (meshpitch)
// pitch *= r_meshpitch.value;
if (pitch < 0)
pitch += 360;
if (yaw < 0)
yaw += 360;
if (roll < 0)
roll += 360;
result[0] = pitch;
result[1] = yaw;
result[2] = roll;
}
static struct
{
//instance state (in case we want to start up)
XrInstance instance; //loader context
XrSystemId systemid; //device type thingie we're going for
#define MAX_VIEW_COUNT 12 //kinda abusive, but that's VR for you.
unsigned int viewcount;
XrViewConfigurationView *views;
XrViewConfigurationType viewtype;
//engine context info (for restarting sessions)
int renderer; //rendering api we're using
void *bindinginfo; //appropriate XrGraphicsBinding*KHR struct so we can restart sessions.
//session state
XrSession session; //driver context
XrSessionState state;
XrSpace space;
struct
{ //basically just swapchain state.
XrSwapchain swapchain;
unsigned int numswapimages;
XrSwapchainSubImage subimage;
image_t *swapimages;
} eye[MAX_VIEW_COUNT]; //note that eye is a vauge term.
XrActiveActionSet actionset;
qboolean timeknown;
XrTime time;
XrFrameState framestate;
qboolean needrender; //we MUST call xrBegin before the next xrWait
int srgb; //<0 = gamma-only. 0 = no srgb at all, >0 full srgb, including textures and stuff
unsigned int numactions;
struct
{
XrActionType acttype;
const char *actname; //doubles up as command names for buttons
const char *actdescription; //user-visible string (exposed via openxr runtime somehow)
const char *subactionpath; //somethingblahblah
XrAction action; //for querying.
XrPath path; //for querying.
XrSpace space; //for poses.
qboolean held; //for buttons.
} actions[256];
} xr;
static qboolean QDECL XR_PluginMayUnload(void)
{
if (xr.instance)
return false; //something is still using us... don't let our code go away.
return true;
}
static void XR_SessionEnded(void)
{
size_t u;
if (xr.space)
{
xrDestroySpace(xr.space);
xr.space = XR_NULL_HANDLE;
}
for (u = 0; u < countof(xr.eye); u++)
{
free(xr.eye[u].swapimages);
xr.eye[u].swapimages = NULL;
xr.eye[u].numswapimages = 0;
if (xr.eye[u].swapchain)
{
xrDestroySwapchain(xr.eye[u].swapchain);
xr.eye[u].swapchain = XR_NULL_HANDLE;
}
}
if (xr.session)
{
xrDestroySession(xr.session);
xr.session = XR_NULL_HANDLE;
}
}
static void XR_Shutdown(void)
{ //called on any kind of failure
XR_SessionEnded();
free(xr.bindinginfo);
free(xr.views);
if (xr.instance)
xrDestroyInstance(xr.instance);
memset(&xr, 0, sizeof(xr));
}
static const char *XR_StringForResult(XrResult res)
{
#if 0
//this is a bit of a joke really. xrResultToString requires a valid instance so is unusable for printing out the various reasons why we might fail to create an instance.
static char buffer[XR_MAX_RESULT_STRING_SIZE];
if (XR_SUCCEEDED(res=xrResultToString(xr.instance, res, buffer)))
return buffer;
return va("XrResult %i", res);
#else
switch(res)
{
case XR_SUCCESS: return "XR_SUCCESS";
case XR_TIMEOUT_EXPIRED: return "XR_TIMEOUT_EXPIRED";
case XR_SESSION_LOSS_PENDING: return "XR_SESSION_LOSS_PENDING";
case XR_EVENT_UNAVAILABLE: return "XR_EVENT_UNAVAILABLE";
case XR_SPACE_BOUNDS_UNAVAILABLE: return "XR_SPACE_BOUNDS_UNAVAILABLE";
case XR_SESSION_NOT_FOCUSED: return "XR_SESSION_NOT_FOCUSED";
case XR_FRAME_DISCARDED: return "XR_FRAME_DISCARDED";
case XR_ERROR_VALIDATION_FAILURE: return "XR_ERROR_VALIDATION_FAILURE";
case XR_ERROR_RUNTIME_FAILURE: return "XR_ERROR_RUNTIME_FAILURE";
case XR_ERROR_OUT_OF_MEMORY: return "XR_ERROR_OUT_OF_MEMORY";
case XR_ERROR_API_VERSION_UNSUPPORTED: return "XR_ERROR_API_VERSION_UNSUPPORTED";
case XR_ERROR_INITIALIZATION_FAILED: return "XR_ERROR_INITIALIZATION_FAILED";
case XR_ERROR_FUNCTION_UNSUPPORTED: return "XR_ERROR_FUNCTION_UNSUPPORTED";
case XR_ERROR_FEATURE_UNSUPPORTED: return "XR_ERROR_FEATURE_UNSUPPORTED";
case XR_ERROR_EXTENSION_NOT_PRESENT: return "XR_ERROR_EXTENSION_NOT_PRESENT";
case XR_ERROR_LIMIT_REACHED: return "XR_ERROR_LIMIT_REACHED";
case XR_ERROR_SIZE_INSUFFICIENT: return "XR_ERROR_SIZE_INSUFFICIENT";
case XR_ERROR_HANDLE_INVALID: return "XR_ERROR_HANDLE_INVALID";
case XR_ERROR_INSTANCE_LOST: return "XR_ERROR_INSTANCE_LOST";
case XR_ERROR_SESSION_RUNNING: return "XR_ERROR_SESSION_RUNNING";
case XR_ERROR_SESSION_NOT_RUNNING: return "XR_ERROR_SESSION_NOT_RUNNING";
case XR_ERROR_SESSION_LOST: return "XR_ERROR_SESSION_LOST";
case XR_ERROR_SYSTEM_INVALID: return "XR_ERROR_SYSTEM_INVALID";
case XR_ERROR_PATH_INVALID: return "XR_ERROR_PATH_INVALID";
case XR_ERROR_PATH_COUNT_EXCEEDED: return "XR_ERROR_PATH_COUNT_EXCEEDED";
case XR_ERROR_PATH_FORMAT_INVALID: return "XR_ERROR_PATH_FORMAT_INVALID";
case XR_ERROR_PATH_UNSUPPORTED: return "XR_ERROR_PATH_UNSUPPORTED";
case XR_ERROR_LAYER_INVALID: return "XR_ERROR_LAYER_INVALID";
case XR_ERROR_LAYER_LIMIT_EXCEEDED: return "XR_ERROR_LAYER_LIMIT_EXCEEDED";
case XR_ERROR_SWAPCHAIN_RECT_INVALID: return "XR_ERROR_SWAPCHAIN_RECT_INVALID";
case XR_ERROR_SWAPCHAIN_FORMAT_UNSUPPORTED: return "XR_ERROR_SWAPCHAIN_FORMAT_UNSUPPORTED";
case XR_ERROR_ACTION_TYPE_MISMATCH: return "XR_ERROR_ACTION_TYPE_MISMATCH";
case XR_ERROR_SESSION_NOT_READY: return "XR_ERROR_SESSION_NOT_READY";
case XR_ERROR_SESSION_NOT_STOPPING: return "XR_ERROR_SESSION_NOT_STOPPING";
case XR_ERROR_TIME_INVALID: return "XR_ERROR_TIME_INVALID";
case XR_ERROR_REFERENCE_SPACE_UNSUPPORTED: return "XR_ERROR_REFERENCE_SPACE_UNSUPPORTED";
case XR_ERROR_FILE_ACCESS_ERROR: return "XR_ERROR_FILE_ACCESS_ERROR";
case XR_ERROR_FILE_CONTENTS_INVALID: return "XR_ERROR_FILE_CONTENTS_INVALID";
case XR_ERROR_FORM_FACTOR_UNSUPPORTED: return "XR_ERROR_FORM_FACTOR_UNSUPPORTED";
case XR_ERROR_FORM_FACTOR_UNAVAILABLE: return "XR_ERROR_FORM_FACTOR_UNAVAILABLE";
case XR_ERROR_API_LAYER_NOT_PRESENT: return "XR_ERROR_API_LAYER_NOT_PRESENT";
case XR_ERROR_CALL_ORDER_INVALID: return "XR_ERROR_CALL_ORDER_INVALID";
case XR_ERROR_GRAPHICS_DEVICE_INVALID: return "XR_ERROR_GRAPHICS_DEVICE_INVALID";
case XR_ERROR_POSE_INVALID: return "XR_ERROR_POSE_INVALID";
case XR_ERROR_INDEX_OUT_OF_RANGE: return "XR_ERROR_INDEX_OUT_OF_RANGE";
case XR_ERROR_VIEW_CONFIGURATION_TYPE_UNSUPPORTED: return "XR_ERROR_VIEW_CONFIGURATION_TYPE_UNSUPPORTED";
case XR_ERROR_ENVIRONMENT_BLEND_MODE_UNSUPPORTED: return "XR_ERROR_ENVIRONMENT_BLEND_MODE_UNSUPPORTED";
case XR_ERROR_NAME_DUPLICATED: return "XR_ERROR_NAME_DUPLICATED";
case XR_ERROR_NAME_INVALID: return "XR_ERROR_NAME_INVALID";
case XR_ERROR_ACTIONSET_NOT_ATTACHED: return "XR_ERROR_ACTIONSET_NOT_ATTACHED";
case XR_ERROR_ACTIONSETS_ALREADY_ATTACHED: return "XR_ERROR_ACTIONSETS_ALREADY_ATTACHED";
case XR_ERROR_LOCALIZED_NAME_DUPLICATED: return "XR_ERROR_LOCALIZED_NAME_DUPLICATED";
case XR_ERROR_LOCALIZED_NAME_INVALID: return "XR_ERROR_LOCALIZED_NAME_INVALID";
default:
return va("XrResult %i", res);
}
#endif
}
static qboolean XR_PreInit(vrsetup_t *qreqs)
{
XrResult res;
const char *ext;
XR_Shutdown(); //just in case...
if (qreqs->structsize != sizeof(*qreqs))
return false; //nope, get lost.
if (!strncasecmp(xr_formfactor->string, "none", 4))
qreqs->vrplatform = VR_HEADLESS;
switch(qreqs->vrplatform)
{
#ifdef XR_MND_HEADLESS_EXTENSION_NAME
case VR_HEADLESS:
ext = XR_MND_HEADLESS_EXTENSION_NAME;
break;
#endif
#ifdef XR_USE_GRAPHICS_API_VULKAN
case VR_VULKAN:
ext = XR_KHR_VULKAN_ENABLE_EXTENSION_NAME;
break;
#endif
#ifdef XR_USE_GRAPHICS_API_OPENGL
#ifdef XR_MND_EGL_ENABLE_EXTENSION_NAME
case VR_EGL:
ext = XR_MND_EGL_ENABLE_EXTENSION_NAME;
break;
#elif defined(XR_MNDX_EGL_ENABLE_EXTENSION_NAME)
case VR_EGL:
ext = XR_MNDX_EGL_ENABLE_EXTENSION_NAME;
break;
#endif
#ifdef XR_USE_PLATFORM_XLIB
case VR_X11_GLX:
#endif
#ifdef XR_USE_PLATFORM_WIN32
case VR_WIN_WGL:
#endif
ext = XR_KHR_OPENGL_ENABLE_EXTENSION_NAME;
break;
#endif
#ifdef XR_USE_GRAPHICS_API_D3D11
case VR_D3D11:
ext = XR_KHR_D3D11_ENABLE_EXTENSION_NAME;
break;
#endif
default:
Con_Printf(CON_ERROR"OpenXR: windowing-api or rendering-api not supported\n");
return false;
}
xr.instance = XR_NULL_HANDLE;
{
unsigned int exts = 0, u=0;
XrExtensionProperties *extlist;
res = xrEnumerateInstanceExtensionProperties(NULL, 0, &exts, NULL);
if (XR_SUCCEEDED(res))
{
extlist = calloc(exts, sizeof(*extlist));
for (u = 0; u < exts; u++)
extlist[u].type = XR_TYPE_EXTENSION_PROPERTIES;
xrEnumerateInstanceExtensionProperties(NULL, exts, &exts, extlist);
if (xr_debug->ival)
{
Con_Printf("OpenXR:\n");
for (u = 0; u < exts; u++)
Con_Printf("\t%s\n", extlist[u].extensionName);
}
for (u = 0; u < exts; u++)
if (!strcmp(extlist[u].extensionName, ext))
break;
free(extlist);
}
else
{
Con_Printf(CON_ERROR"OpenXR: xrEnumerateInstanceExtensionProperties failed (%s)\n", XR_StringForResult(res));
return false;
}
if (u == exts)
{
Con_Printf(CON_ERROR"OpenXR: instance driver does not support required %s\n", ext);
return false; //would just give an error on xrCreateInstance anyway.
}
}
//create our instance
{
XrInstanceCreateInfo createinfo = {XR_TYPE_INSTANCE_CREATE_INFO};
createinfo.createFlags = 0;
Q_strlcpy(createinfo.applicationInfo.applicationName, FULLENGINENAME, sizeof(createinfo.applicationInfo.applicationName));
createinfo.applicationInfo.applicationVersion = APPLICATIONVERSION;
Q_strlcpy(createinfo.applicationInfo.engineName, "FTEQW", sizeof(createinfo.applicationInfo.engineName));
createinfo.applicationInfo.engineVersion = ENGINEVERSION;
createinfo.applicationInfo.apiVersion = XR_CURRENT_API_VERSION;
createinfo.enabledApiLayerCount = 0;
createinfo.enabledApiLayerNames = NULL;
createinfo.enabledExtensionCount = ext?1:0;
createinfo.enabledExtensionNames = &ext;
res = xrCreateInstance(&createinfo, &xr.instance);
}
if (XR_FAILED(res) || !xr.instance)
{
Con_Printf(CON_ERROR"OpenXR Runtime: xrCreateInstance failed (%s)\n", XR_StringForResult(res));
return false;
}
if (xr_debug->ival)
{
XrInstanceProperties props = {XR_TYPE_INSTANCE_PROPERTIES};
if (!XR_FAILED(xrGetInstanceProperties(xr.instance, &props)))
Con_Printf("OpenXR Runtime: %s %u.%u.%u\n", props.runtimeName, XR_VERSION_MAJOR(props.runtimeVersion), XR_VERSION_MINOR(props.runtimeVersion), XR_VERSION_PATCH(props.runtimeVersion));
else
Con_Printf("OpenXR Runtime: Unable to determine runtime version (%s)\n", XR_StringForResult(res));
}
{
XrSystemGetInfo systemInfo = { XR_TYPE_SYSTEM_GET_INFO };
if (qreqs->vrplatform == VR_HEADLESS)
systemInfo.formFactor = XR_FORM_FACTOR_HEAD_MOUNTED_DISPLAY; //err... woteva
else if (!strncasecmp(xr_formfactor->string, "hand", 4))
systemInfo.formFactor = XR_FORM_FACTOR_HANDHELD_DISPLAY;
else if (!strncasecmp(xr_formfactor->string, "head",4))
systemInfo.formFactor = XR_FORM_FACTOR_HEAD_MOUNTED_DISPLAY;
else
{
if (*xr_formfactor->string)
Con_Printf("\"%s\" is not a recognised value for xr_formfactor\n", xr_formfactor->string);
else
Con_Printf("xr_formfactor not set, assuming headmounted\n");
systemInfo.formFactor = XR_FORM_FACTOR_HEAD_MOUNTED_DISPLAY;
}
res = xrGetSystem(xr.instance, &systemInfo, &xr.systemid);
if (XR_FAILED(res) || !xr.systemid)
return false;
}
if (xr_debug->ival)
{
XrSystemProperties props = {XR_TYPE_SYSTEM_PROPERTIES};
if (XR_SUCCEEDED(xrGetSystemProperties(xr.instance, xr.systemid, &props)))
{
Con_Printf("OpenXR System: %s\n", props.systemName);
}
}
switch(qreqs->vrplatform)
{
default:
XR_Shutdown();
return false;
case VR_HEADLESS:
break;
#ifdef XR_USE_GRAPHICS_API_VULKAN
case VR_VULKAN:
{
XrGraphicsRequirementsVulkanKHR reqs = {XR_TYPE_GRAPHICS_REQUIREMENTS_VULKAN_KHR};
VkInstance inst = VK_NULL_HANDLE;
VkPhysicalDevice physdev;
uint32_t extlen;
char *extstr; //space-delimited list, for some reason. writable though.
PFN_xrGetVulkanGraphicsRequirementsKHR xrGetVulkanGraphicsRequirementsKHR;
PFN_xrGetVulkanInstanceExtensionsKHR xrGetVulkanInstanceExtensionsKHR;
PFN_xrGetVulkanDeviceExtensionsKHR xrGetVulkanDeviceExtensionsKHR;
PFN_xrGetVulkanGraphicsDeviceKHR xrGetVulkanGraphicsDeviceKHR;
if (XR_FAILED(xrGetInstanceProcAddr(xr.instance, "xrGetVulkanGraphicsRequirementsKHR", (PFN_xrVoidFunction*)&xrGetVulkanGraphicsRequirementsKHR)) ||
XR_FAILED(xrGetInstanceProcAddr(xr.instance, "xrGetVulkanInstanceExtensionsKHR", (PFN_xrVoidFunction*)&xrGetVulkanInstanceExtensionsKHR)) ||
XR_FAILED(xrGetInstanceProcAddr(xr.instance, "xrGetVulkanDeviceExtensionsKHR", (PFN_xrVoidFunction*)&xrGetVulkanDeviceExtensionsKHR)) ||
XR_FAILED(xrGetInstanceProcAddr(xr.instance, "xrGetVulkanGraphicsDeviceKHR", (PFN_xrVoidFunction*)&xrGetVulkanGraphicsDeviceKHR)))
return false;
xrGetVulkanGraphicsRequirementsKHR(xr.instance, xr.systemid, &reqs);
qreqs->maxver.major = XR_VERSION_MAJOR(reqs.maxApiVersionSupported);
qreqs->maxver.minor = XR_VERSION_MINOR(reqs.maxApiVersionSupported);
qreqs->minver.major = XR_VERSION_MAJOR(reqs.minApiVersionSupported);
qreqs->minver.minor = XR_VERSION_MINOR(reqs.minApiVersionSupported);
xrGetVulkanInstanceExtensionsKHR(xr.instance, xr.systemid, 0, &extlen, NULL);
extstr = malloc(extlen);
xrGetVulkanInstanceExtensionsKHR(xr.instance, xr.systemid, extlen, &extlen, extstr);
//create vulkan instance now...
qreqs->createinstance(qreqs, extstr, &inst);
free(extstr);
xrGetVulkanDeviceExtensionsKHR(xr.instance, xr.systemid, 0, &extlen, NULL);
extstr = malloc(extlen);
xrGetVulkanDeviceExtensionsKHR(xr.instance, xr.systemid, extlen, &extlen, extstr);
res = xrGetVulkanGraphicsDeviceKHR(xr.instance, xr.systemid, inst, &physdev);
qreqs->deviceextensions = extstr;
qreqs->vk.physicaldevice = physdev;
}
break;
#endif
#ifdef XR_USE_GRAPHICS_API_OPENGL
case VR_X11_GLX:
case VR_EGL:
case VR_WIN_WGL:
{
XrGraphicsRequirementsOpenGLKHR reqs = {XR_TYPE_GRAPHICS_REQUIREMENTS_OPENGL_KHR};
PFN_xrGetOpenGLGraphicsRequirementsKHR xrGetOpenGLGraphicsRequirementsKHR;
if (XR_SUCCEEDED(xrGetInstanceProcAddr(xr.instance, "xrGetOpenGLGraphicsRequirementsKHR", (PFN_xrVoidFunction*)&xrGetOpenGLGraphicsRequirementsKHR)))
xrGetOpenGLGraphicsRequirementsKHR(xr.instance, xr.systemid, &reqs);
qreqs->maxver.major = XR_VERSION_MAJOR(reqs.maxApiVersionSupported);
qreqs->maxver.minor = XR_VERSION_MINOR(reqs.maxApiVersionSupported);
qreqs->minver.major = XR_VERSION_MAJOR(reqs.minApiVersionSupported);
qreqs->minver.minor = XR_VERSION_MINOR(reqs.minApiVersionSupported);
//caller must validate when creating its context.
}
break;
#endif
#ifdef XR_USE_GRAPHICS_API_D3D11
case VR_D3D11:
{
XrGraphicsRequirementsD3D11KHR reqs = {XR_TYPE_GRAPHICS_REQUIREMENTS_D3D11_KHR};
PFN_xrGetD3D11GraphicsRequirementsKHR xrGetD3D11GraphicsRequirementsKHR;
if (XR_SUCCEEDED(xrGetInstanceProcAddr(xr.instance, "xrGetD3D11GraphicsRequirementsKHR", (PFN_xrVoidFunction*)&xrGetD3D11GraphicsRequirementsKHR)))
xrGetD3D11GraphicsRequirementsKHR(xr.instance, xr.systemid, &reqs);
qreqs->minver.major = reqs.minFeatureLevel;
qreqs->deviceid[0] = reqs.adapterLuid.LowPart;
qreqs->deviceid[1] = reqs.adapterLuid.HighPart;
}
break;
#endif
}
{
XrViewConfigurationType *viewtype;
uint32_t viewtypes, u;
res = xrEnumerateViewConfigurations(xr.instance, xr.systemid, 0, &viewtypes, NULL);
viewtype = alloca(viewtypes*sizeof(viewtype));
res = xrEnumerateViewConfigurations(xr.instance, xr.systemid, viewtypes, &viewtypes, viewtype);
xr.viewtype = (XrViewConfigurationType)0;
for (u = 0; u < viewtypes; u++)
{
switch(viewtype[u])
{
case XR_VIEW_CONFIGURATION_TYPE_PRIMARY_MONO:
if (!strcasecmp(xr_viewconfig->string, "mono"))
xr.viewtype = viewtype[u];
break;
case XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO:
if (!strcasecmp(xr_viewconfig->string, "stereo"))
xr.viewtype = viewtype[u];
break;
case XR_VIEW_CONFIGURATION_TYPE_PRIMARY_QUAD_VARJO:
if (!strcasecmp(xr_viewconfig->string, "quad"))
xr.viewtype = viewtype[u];
break;
default:
break;
}
}
if (!xr.viewtype)
{
if (viewtypes)
xr.viewtype = viewtype[0];
if (*xr_viewconfig->string)
{
Con_Printf("OpenXR: Viewtype %s unavailable, using ", xr_viewconfig->string);
switch(xr.viewtype)
{
case XR_VIEW_CONFIGURATION_TYPE_PRIMARY_MONO: Con_Printf("mono\n"); break;
case XR_VIEW_CONFIGURATION_TYPE_PRIMARY_STEREO: Con_Printf("stereo\n"); break;
case XR_VIEW_CONFIGURATION_TYPE_PRIMARY_QUAD_VARJO: Con_Printf("quad\n"); break;
default:
Con_Printf("unknown (%i)\n", xr.viewtype);
break;
}
}
}
}
res = xrEnumerateViewConfigurationViews(xr.instance, xr.systemid, xr.viewtype, 0, &xr.viewcount, NULL);
if (xr.viewcount > MAX_VIEW_COUNT)
xr.viewcount = MAX_VIEW_COUNT; //oh noes! evile!
xr.views = calloc(1,sizeof(*xr.views)*xr.viewcount);
res = xrEnumerateViewConfigurationViews(xr.instance, xr.systemid, xr.viewtype, xr.viewcount, &xr.viewcount, xr.views);
//caller now knows what device/contextversion/etc to init with
return true;
}
static qboolean XR_Init(vrsetup_t *qreqs, rendererstate_t *info)
{
xr.srgb = info->srgb;
switch(qreqs->vrplatform)
{
case VR_HEADLESS:
break;
default:
return false; //error. not supported in this build.
#ifdef XR_USE_GRAPHICS_API_VULKAN
case VR_VULKAN:
{
XrGraphicsBindingVulkanKHR *vk = xr.bindinginfo = calloc(1, sizeof(*vk));
vk->type = XR_TYPE_GRAPHICS_BINDING_VULKAN_KHR;
vk->instance = qreqs->vk.instance;
vk->physicalDevice = qreqs->vk.physicaldevice;
vk->device = qreqs->vk.device;
vk->queueFamilyIndex = qreqs->vk.queuefamily;
vk->queueIndex = qreqs->vk.queueindex;
xr.renderer = QR_VULKAN;
}
break;
#endif
#ifdef XR_USE_GRAPHICS_API_OPENGL
#ifdef XR_MND_EGL_ENABLE_EXTENSION_NAME
case VR_EGL: //x11-egl, wayland, and hopefully android...
{
XrGraphicsBindingEGLMND *egl = xr.bindinginfo = calloc(1, sizeof(*egl));
egl->type = XR_TYPE_GRAPHICS_BINDING_EGL_MND;
egl->getProcAddress = qreqs->egl.getprocaddr;
egl->display = qreqs->egl.egldisplay;
egl->config = qreqs->egl.eglconfig;
egl->context = qreqs->egl.eglcontext;
xr.renderer = QR_OPENGL;
}
break;
#elif defined(XR_MNDX_EGL_ENABLE_EXTENSION_NAME)
case VR_EGL: //x11-egl, wayland, and hopefully android...
{
XrGraphicsBindingEGLMNDX *egl = xr.bindinginfo = calloc(1, sizeof(*egl));
egl->type = XR_TYPE_GRAPHICS_BINDING_EGL_MNDX;
egl->getProcAddress = (PFNEGLGETPROCADDRESSPROC)qreqs->egl.getprocaddr;
egl->display = qreqs->egl.egldisplay;
egl->config = qreqs->egl.eglconfig;
egl->context = qreqs->egl.eglcontext;
xr.renderer = QR_OPENGL;
}
break;
#endif
#ifdef XR_USE_PLATFORM_XLIB
case VR_X11_GLX:
{
XrGraphicsBindingOpenGLXlibKHR *glx = xr.bindinginfo = calloc(1, sizeof(*glx));
glx->type = XR_TYPE_GRAPHICS_BINDING_OPENGL_XLIB_KHR;
glx->xDisplay = qreqs->x11_glx.display;
glx->visualid = qreqs->x11_glx.visualid;
glx->glxFBConfig = qreqs->x11_glx.glxfbconfig;
glx->glxDrawable = qreqs->x11_glx.drawable;
glx->glxContext = qreqs->x11_glx.glxcontext;
xr.renderer = QR_OPENGL;
}
break;
#endif
#ifdef XR_USE_PLATFORM_WIN32
case VR_WIN_WGL:
{
XrGraphicsBindingOpenGLWin32KHR *wgl = xr.bindinginfo = calloc(1, sizeof(*wgl));
wgl->type = XR_TYPE_GRAPHICS_BINDING_OPENGL_WIN32_KHR;
wgl->hDC = qreqs->wgl.hdc;
wgl->hGLRC = qreqs->wgl.hglrc;
xr.renderer = QR_OPENGL;
}
break;
#endif
#endif //def XR_USE_GRAPHICS_API_OPENGL
#ifdef XR_USE_GRAPHICS_API_D3D11
case VR_D3D11:
{
XrGraphicsBindingD3D11KHR *d3d = xr.bindinginfo = calloc(1, sizeof(*d3d));
d3d->type = XR_TYPE_GRAPHICS_BINDING_D3D11_KHR;
d3d->device = qreqs->d3d.device;
xr.renderer = QR_DIRECT3D11;
}
break;
#endif
}
return true;
}
static XrAction XR_DefineAction(XrActionType type, const char *name, const char *description, const char *root)
{
XrActionCreateInfo info = {XR_TYPE_ACTION_CREATE_INFO};
XrResult res;
char *ffs;
size_t u;
int nconflicts = 0;
int dconflicts = 0;
for (u = 0; u < xr.numactions; u++)
{
if (xr.actions[u].acttype == type && !strcmp(xr.actions[u].actname, name) /*&& !strcmp(xr.actions[u].actdescription, description)*/ && !strcmp(xr.actions[u].subactionpath?xr.actions[u].subactionpath:"", root?root:""))
{ //looks like a dupe...
return xr.actions[u].action;
}
if (!strcasecmp(xr.actions[u].actname, name))
nconflicts++; //arse balls knob cock
if (!strcasecmp(xr.actions[u].actdescription, description))
dconflicts++; //arse balls knob cock
}
if (xr.numactions == countof(xr.actions))
return XR_NULL_HANDLE; //nope, list full. sorry.
xr.actions[u].acttype = type;
xr.actions[u].actname = strdup(name);
xr.actions[u].actdescription = strdup(description);
xr.actions[u].subactionpath = (root&&*root)?strdup(root):NULL;
xr.numactions++;
if (xr.actions[u].subactionpath)
xrStringToPath(xr.instance, xr.actions[u].subactionpath, &xr.actions[u].path);
else
xr.actions[u].path = XR_NULL_PATH;
if (xr.actions[u].path == XR_NULL_PATH)
{
info.countSubactionPaths = 0;
info.subactionPaths = NULL;
}
else
{
info.countSubactionPaths = 1;
info.subactionPaths = &xr.actions[u].path;
}
info.actionType = xr.actions[u].acttype;
if (*xr.actions[u].actname == '+')
Q_strlcpy(info.actionName, xr.actions[u].actname+1, sizeof(info.actionName));
else
Q_strlcpy(info.actionName, xr.actions[u].actname, sizeof(info.actionName));
while ((ffs=strchr(info.actionName, ' '))) *ffs = '_'; //convert spaces to underscores.
Q_strlcpy(info.localizedActionName, xr.actions[u].actdescription, sizeof(info.localizedActionName));
res = xrCreateAction(xr.actionset.actionSet, &info, &xr.actions[u].action);
if (XR_FAILED(res))
Con_Printf("openxr: Unable to create action %s [%s] - %s\n", info.actionName, info.localizedActionName, XR_StringForResult(res));
return xr.actions[u].action;
}
static qboolean XR_ReadLine(const char **text, char *buffer, size_t buflen)
{
char in;
char *out = buffer;
size_t len;
if (buflen <= 1)
return false;
len = buflen-1;
while (len > 0)
{
in = *(*text);
if (!in)
{
if (len == buflen-1)
return false;
*out = 0;
return true;
}
(*text)++;
if (in == '\n')
break;
*out++ = in;
len--;
}
*out = '\0';
//if there's a trailing \r, strip it.
if (out > buffer)
if (out[-1] == '\r')
out[-1] = 0;
return true;
}
static int XR_BindProfileStr(const char *fname, const char *file)
{
XrAction act;
XrResult res;
XrPath path;
char line[1024];
char name[1024];
char type[256];
char desc[1024];
char bind[1024];
char root[1024];
unsigned int p;
char prefix[2][1024];
//first line is eg: /interaction_profiles/khr/simple_controller
while (XR_ReadLine(&file, line, sizeof(line)))
{
cmdfuncs->TokenizeString(line);
if (cmdfuncs->Argc())
break;
}
cmdfuncs->Argv(0, name, sizeof(name));
for (p = 0; p < countof(prefix); p++)
cmdfuncs->Argv(p+1, prefix[p], sizeof(prefix[p]));
if (*name && XR_SUCCEEDED(xrStringToPath(xr.instance, name, &path)))
{ //okay, it accepted that path at least...
XrInteractionProfileSuggestedBinding suggestedbindings = {XR_TYPE_INTERACTION_PROFILE_SUGGESTED_BINDING};
unsigned int acts = 0;
XrActionSuggestedBinding bindings[256];
while (XR_ReadLine(&file, line, sizeof(line)))
{
cmdfuncs->TokenizeString(line);
if (cmdfuncs->Argc())
{
cmdfuncs->Argv(0, name, sizeof(name));
cmdfuncs->Argv(1, desc, sizeof(desc));
cmdfuncs->Argv(2, type, sizeof(type));
cmdfuncs->Argv(3, bind, sizeof(bind));
cmdfuncs->Argv(4, root, sizeof(root));
if (*type)
{
XrActionType xrtype;
if (!strcasecmp(type, "button"))
xrtype = XR_ACTION_TYPE_BOOLEAN_INPUT;
else if (!strcasecmp(type, "float"))
xrtype = XR_ACTION_TYPE_FLOAT_INPUT;
else if (!strcasecmp(type, "vector2f"))
xrtype = XR_ACTION_TYPE_VECTOR2F_INPUT;
else if (!strcasecmp(type, "pose"))
xrtype = XR_ACTION_TYPE_POSE_INPUT;
else if (!strcasecmp(type, "vibration"))
xrtype = XR_ACTION_TYPE_VIBRATION_OUTPUT;
else
continue;
act = XR_DefineAction(xrtype, name, desc, root);
if (act != XR_NULL_HANDLE && *bind)
{
if (*bind == '/')
{
res = xrStringToPath(xr.instance, bind, &bindings[acts].binding);
if (XR_SUCCEEDED(res))
bindings[acts++].action = act;
}
else for (p = 0; p < countof(prefix) && *prefix[p]=='/'; p++)
{
res = xrStringToPath(xr.instance, va("%s%s", prefix[p], bind), &bindings[acts].binding);
if (XR_SUCCEEDED(res))
bindings[acts++].action = act;
}
}
}
}
}
if (acts)
{
suggestedbindings.interactionProfile = path;
suggestedbindings.countSuggestedBindings = acts;
suggestedbindings.suggestedBindings = bindings;
res = xrSuggestInteractionProfileBindings(xr.instance, &suggestedbindings);
if (XR_FAILED(res))
Con_Printf("%s: xrSuggestInteractionProfileBindings failed - %s\n", fname, XR_StringForResult(res));
return acts;
}
}
return 0;
}
static int QDECL XR_BindProfileFile(const char *fname, qofs_t fsize, time_t mtime, void *ctx, struct searchpathfuncs_s *package)
{
vfsfile_t *f = fsfuncs->OpenVFS(fname, "rb", FS_GAME);
if (f)
{
size_t len = VFS_GETLEN(f);
char *buf = malloc(len+1);
VFS_READ(f, buf, len);
buf[len] = 0;
*(unsigned int*)ctx += XR_BindProfileStr(fname, buf);
free(buf);
VFS_CLOSE(f);
}
return false;
}
static const struct
{
const char *name;
const char *script;
} xr_knownprofiles[] =
{
//FIXME: set up some proper bindings!
{"khr_simple", "/interaction_profiles/khr/simple_controller /user/hand/left/ /user/hand/right/\n"
"+attack_left \"Left Attack\" button input/select/click /user/hand/left\n"
"+attack_right \"Right Attack\" button input/select/click /user/hand/right\n"
"+menu_left \"Left Menu\" button input/menu/click /user/hand/left\n"
"+menu_right \"Right Menu\" button input/menu/click /user/hand/right\n"
"left_aim \"Left Aim Pose\" pose input/grip/pose /user/hand/left\n"
"right_aim \"Right Aim Pose\" pose input/grip/pose /user/hand/right\n"
// "grip_pose \"Grip Pose\" pose input/grip/pose\n"
// "aim_pose \"Aim Pose\" pose input/aim/pose\n"
"vibrate \"A Vibrator\" vibration output/haptic\n"
},
/* {"valve_index", "/interaction_profiles/valve/index_controller /user/hand/left/ /user/hand/right/\n"
//"unbound \"Unused Button\" button input/system/click\n"
//"unbound \"Unused Button\" button input/system/touch\n"
//"unbound \"Unused Button\" button input/a/click\n"
//"unbound \"Unused Button\" button input/a/touch\n"
//"unbound \"Unused Button\" button input/b/click\n"
//"unbound \"Unused Button\" button input/b/touch\n"
//"unbound \"Unused Button\" float input/squeeze/value\n"
//"unbound \"Unused Button\" button input/squeeze/force\n"
//"unbound \"Unused Button\" button input/trigger/click\n"
//"unbound \"Unused Button\" float input/trigger/value\n"
//"unbound \"Unused Button\" button input/trigger/touch\n"
//"unbound \"Unused Button\" vector2f input/thumbstick\n"
//"unbound \"Unused Button\" button input/thumbstick/click\n"
//"unbound \"Unused Button\" button input/thumbstick/touch\n"
//"unbound \"Unused Button\" vector2f input/trackpad\n"
//"unbound \"Unused Button\" button input/trackpad/force\n"
//"unbound \"Unused Button\" button input/trackpad/touch\n"
//"unbound \"Unused Button\" pose input/grip/pose\n"
//"unbound \"Unused Button\" pose input/aim/pose\n"
//"unbound \"Unused Button\" vibration output/haptic\n"
},
*/
/* {"htc_vive", "/interaction_profiles/htc/vive_controller /user/hand/left/ /user/hand/right/\n"
//"unbound \"Unused Button\" button input/system/click\n"
//"unbound \"Unused Button\" button input/squeeze/click\n"
//"unbound \"Unused Button\" button input/menu/click\n"
//"unbound \"Unused Button\" button input/trigger/click\n"
//"unbound \"Unused Button\" float input/trigger/value\n"
//"unbound \"Unused Button\" vector2f input/trackpad\n"
//"unbound \"Unused Button\" button input/trackpad/click\n"
//"unbound \"Unused Button\" button input/trackpad/touch\n"
//"unbound \"Unused Button\" pose input/grip/pose\n"
//"unbound \"Unused Button\" pose input/aim/pose\n"
//"unbound \"Unused Button\" vibration output/haptic\n"
);
*/
/* {"htc_vive_pro", "/interaction_profiles/htc/vive_pro /user/head/\n"
//"unbound \"Unused Button\" button input/system/click\n"
//"unbound \"Unused Button\" button input/volume_up/click\n"
//"unbound \"Unused Button\" button input/volume_down/click\n"
//"unbound \"Unused Button\" button input/mute_mic/click\n"
);
*/
//FIXME: map to quake's keys.
{"gamepad", "/interaction_profiles/microsoft/xbox_controller /user/gamepad/\n"
"togglemenu Menu button input/menu/click\n"
//"unbound \"Unused Button\" button input/view/click\n"
//"unbound \"Unused Button\" button input/a/click\n"
//"unbound \"Unused Button\" button input/b/click\n"
//"unbound \"Unused Button\" button input/x/click\n"
//"unbound \"Unused Button\" button input/y/click\n"
"+back \"Move Backwards\" button input/dpad_down/click\n"
"+moveright \"Move Right\" button input/dpad_right/click\n"
"+forward \"Move Forward\" button input/dpad_up/click\n"
"+moveleft \"Move Left\" button input/dpad_left/click\n"
"+jump \"Jump\" button input/shoulder_left/click\n"
"+attack \"Attack\" button input/shoulder_right/click\n"
//"unbound \"Unused Button\" button input/thumbstick_left/click\n"
//"unbound \"Unused Button\" button input/thumbstick_right/click\n"
//"unbound \"Unused Axis\" float input/trigger_left/click\n"
//"unbound \"Unused Axis\" float input/trigger_right/click\n"
//"unbound \"Unused Axis\" float input/thumbstick_left/x\n"
//"unbound \"Unused Axis\" float input/thumbstick_left/y\n"
//"unbound \"Unused Axis\" float input/thumbstick_right/x\n"
//"unbound \"Unused Axis\" float input/thumbstick_right/y\n"
//"unbound \"Unused Vibrator\" vibration output/haptic_left\n"
//"unbound \"Unused Vibrator\" vibration output/haptic_left_trigger\n"
//"unbound \"Unused Vibrator\" vibration output/haptic_right\n"
//"unbound \"Unused Vibrator\" vibration output/haptic_right_trigger\n"
},
};
static void XR_SetupInputs(void)
{
unsigned int h;
XrResult res;
//begin instance-level init
{
XrActionSetCreateInfo info = {XR_TYPE_ACTION_SET_CREATE_INFO};
Q_strlcpy(info.actionSetName, "actions", sizeof(info.actionSetName));
Q_strlcpy(info.localizedActionSetName, FULLENGINENAME" Actions", sizeof(info.localizedActionSetName));
info.priority = 0;
xr.actionset.subactionPath = XR_NULL_PATH;
res = xrCreateActionSet(xr.instance, &info, &xr.actionset.actionSet);
if (XR_FAILED(res))
Con_Printf("openxr: Unable to create actionset - %s\n", XR_StringForResult(res));
}
h = 0;
if (fsfuncs)
fsfuncs->EnumerateFiles("oxr_*.binds", XR_BindProfileFile, &h);
if (!h) //no user bindings defined, use fallbacks. probably this needs to be per-mod.
{
for (h = 0; h < countof(xr_knownprofiles); h++)
XR_BindProfileStr(xr_knownprofiles[h].name, xr_knownprofiles[h].script);
}
//begin session specific. stuff
//create action space stuff.
for (h = 0; h < xr.numactions; h++)
{
switch(xr.actions[h].acttype)
{
case XR_ACTION_TYPE_POSE_INPUT:
{
XrActionSpaceCreateInfo info = {XR_TYPE_ACTION_SPACE_CREATE_INFO};
info.action = xr.actions[h].action;
info.subactionPath = xr.actions[h].path;
info.poseInActionSpace.orientation.w = 1; //just fill with identity.
res = xrCreateActionSpace(xr.session, &info, &xr.actions[h].space);
if (XR_FAILED(res))
Con_Printf("openxr: xrCreateActionSpace failed - %s\n", XR_StringForResult(res));
}
break;
default:
xr.actions[h].space = XR_NULL_HANDLE;
break;
}
}
//and attach it.
{
XrSessionActionSetsAttachInfo info = {XR_TYPE_SESSION_ACTION_SETS_ATTACH_INFO};
info.countActionSets = 1;
info.actionSets = &xr.actionset.actionSet;
res = xrAttachSessionActionSets(xr.session, &info);
if (XR_FAILED(res))
Con_Printf("openxr: xrAttachSessionActionSets failed - %s\n", XR_StringForResult(res));
}
#if 1
if (xr_debug->ival)
{
XrInteractionProfileState profile = {XR_TYPE_INTERACTION_PROFILE_STATE};
XrPath path;
unsigned int u;
static const char *paths[] = {"/user/hand/left", "/user/hand/right", "/user/head", "/user/gamepad", "/user/treadmill", "/user/"};
Con_Printf("OpenXR Interaction Profiles:\n");
for (u = 0; u < countof(paths); u++)
{
xrStringToPath(xr.instance, paths[u], &path);
res = xrGetCurrentInteractionProfile(xr.session, path, &profile);
if (XR_SUCCEEDED(res))
{
char buf[256];
uint32_t len = sizeof(buf);
if (!profile.interactionProfile)
Con_Printf("\t%s: "S_COLOR_GRAY"no profile/device\n", paths[u]);
else
{
res = xrPathToString(xr.instance, profile.interactionProfile, sizeof(buf), &len, buf);
Con_Printf("\t%s: "S_COLOR_GREEN"%s\n", paths[u], buf);
}
}
}
Con_Printf("Bound actions:\n");
for (u = 0; u < xr.numactions; u++)
{
XrBoundSourcesForActionEnumerateInfo info = {XR_TYPE_BOUND_SOURCES_FOR_ACTION_ENUMERATE_INFO};
uint32_t inputs, i, bufsize;
XrPath input[20];
info.action = xr.actions[u].action;
res = xrEnumerateBoundSourcesForAction(xr.session, &info, countof(input), &inputs, input);
if (XR_SUCCEEDED(res))
{
Con_Printf("\t%s:\n", xr.actions[u].actname);
if (!inputs)
Con_Printf(S_COLOR_GRAY"\t(unbound)\n");
else for (i = 0; i < inputs; i++)
{
char buffer[8192];
XrInputSourceLocalizedNameGetInfo info = {XR_TYPE_INPUT_SOURCE_LOCALIZED_NAME_GET_INFO};
info.sourcePath = input[i];
info.whichComponents = XR_INPUT_SOURCE_LOCALIZED_NAME_USER_PATH_BIT| //'left hand'
XR_INPUT_SOURCE_LOCALIZED_NAME_INTERACTION_PROFILE_BIT| //'foo controller'
XR_INPUT_SOURCE_LOCALIZED_NAME_COMPONENT_BIT; //'trigger'
res = xrGetInputSourceLocalizedName(xr.session, &info, sizeof(buffer), &bufsize, buffer);
if (XR_FAILED(res))
Q_snprintf(buffer, sizeof(buffer), "error %i", res);
Con_Printf(S_COLOR_GREEN"\t\t%s\n", buffer);
}
}
else if (res == XR_ERROR_HANDLE_INVALID) //monado reports this for unimplemented things.
Con_Printf("\t%s: error XR_ERROR_HANDLE_INVALID (not implemented?)\n", xr.actions[u].actname);
else
Con_Printf("\t%s: error %s\n", xr.actions[u].actname, XR_StringForResult(res));
}
}
#endif
}
static void XR_UpdateInputs(XrTime time)
{
XrResult res;
unsigned int h;
{
XrActionsSyncInfo syncinfo = {XR_TYPE_ACTIONS_SYNC_INFO};
syncinfo.countActiveActionSets = 1;
syncinfo.activeActionSets = &xr.actionset;
res = xrSyncActions(xr.session, &syncinfo);
if (res == XR_SESSION_NOT_FOCUSED)
; //handle it anyway, giving us a chance to disable various inputs.
else if (XR_FAILED(res))
return;
}
for (h = 0; h < xr.numactions; h++)
{
if (xr.actions[h].action == XR_NULL_HANDLE) //failed to init
continue;
switch(xr.actions[h].acttype)
{
case XR_ACTION_TYPE_POSE_INPUT:
{
XrActionStatePose pose = {XR_TYPE_ACTION_STATE_POSE};
XrActionStateGetInfo info = {XR_TYPE_ACTION_STATE_GET_INFO};
info.action = xr.actions[h].action;
info.subactionPath = xr.actions[h].path;
res = xrGetActionStatePose(xr.session, &info, &pose);
if (pose.isActive)
{ //its mapped to something, woo.
XrSpaceVelocity vel = {XR_TYPE_SPACE_VELOCITY};
XrSpaceLocation loc = {XR_TYPE_SPACE_LOCATION, &vel};
vec3_t transform[4], angles, lvel, avel;
res = xrLocateSpace(xr.actions[h].space, xr.space, time, &loc);
// XR_PoseToTransform(&loc.pose, transform);
XR_PoseToAngOrg(&loc.pose, angles, transform[3]);
// VectorAngles(transform[0], transform[2], angles, false);
VectorSet(lvel, vel.linearVelocity.x, vel.linearVelocity.y, vel.linearVelocity.z);
VectorSet(avel, vel.angularVelocity.x, vel.angularVelocity.y, vel.angularVelocity.z);
if (!inputfuncs->SetHandPosition(xr.actions[h].actname,
(loc.locationFlags&XR_SPACE_LOCATION_POSITION_VALID_BIT)?transform[3]:NULL,
(loc.locationFlags&XR_SPACE_LOCATION_ORIENTATION_VALID_BIT)?angles:NULL,
(vel.velocityFlags&XR_SPACE_VELOCITY_LINEAR_VALID_BIT)?lvel:NULL,
(vel.velocityFlags&XR_SPACE_VELOCITY_ANGULAR_VALID_BIT)?avel:NULL))
{ //custom poses that mods might want to handle themselves...
vec3_t angles;
char cmd[256];
VectorAngles(transform[0], transform[2], angles, false);
Q_snprintf(cmd, sizeof(cmd), "%s %g %g %g %g %g %g %g %g %g %g %g %g\n", xr.actions[h].actname,
angles[0], angles[1], angles[2], transform[3][0], transform[3][1], transform[3][2],
vel.angularVelocity.x, vel.angularVelocity.y, vel.angularVelocity.z, vel.linearVelocity.x, vel.linearVelocity.y, vel.linearVelocity.z);
cmdfuncs->AddText(cmd, false);
}
}
}
break;
case XR_ACTION_TYPE_BOOLEAN_INPUT:
{
XrActionStateBoolean state = {XR_TYPE_ACTION_STATE_BOOLEAN};
XrActionStateGetInfo info = {XR_TYPE_ACTION_STATE_GET_INFO};
info.action = xr.actions[h].action;
info.subactionPath = xr.actions[h].path;
xrGetActionStateBoolean(xr.session, &info, &state);
if (!state.isActive) state.currentState = XR_FALSE;
if ((!!state.currentState) != xr.actions[h].held)
{
xr.actions[h].held = !!state.currentState;
if (xr.actions[h].held || *xr.actions[h].actname == '+')
{
char cmd[256];
Q_strlcpy(cmd, xr.actions[h].actname, sizeof(cmd));
Q_strlcat(cmd, "\n", sizeof(cmd));
if (!xr.actions[h].held)
*cmd = '-'; //release events.
cmdfuncs->AddText(cmd, false);
}
}
}
break;
case XR_ACTION_TYPE_FLOAT_INPUT:
{
XrActionStateFloat state = {XR_TYPE_ACTION_STATE_FLOAT};
XrActionStateGetInfo info = {XR_TYPE_ACTION_STATE_GET_INFO};
info.action = xr.actions[h].action;
info.subactionPath = xr.actions[h].path;
xrGetActionStateFloat(xr.session, &info, &state);
if (!state.isActive) state.currentState = 0.0f;
{
char cmd[256];
Q_snprintf(cmd, sizeof(cmd), "%s %g\n", xr.actions[h].actname, state.currentState);
cmdfuncs->AddText(cmd, false);
}
}
break;
case XR_ACTION_TYPE_VECTOR2F_INPUT:
{
XrActionStateVector2f state = {XR_TYPE_ACTION_STATE_VECTOR2F};
XrActionStateGetInfo info = {XR_TYPE_ACTION_STATE_GET_INFO};
info.action = xr.actions[h].action;
info.subactionPath = xr.actions[h].path;
xrGetActionStateVector2f(xr.session, &info, &state);
if (!state.isActive) state.currentState.x = state.currentState.y = 0.0f;
{
char cmd[256];
Q_snprintf(cmd, sizeof(cmd), "%s %g %g\n", xr.actions[h].actname, state.currentState.x, state.currentState.y);
cmdfuncs->AddText(cmd, false);
}
}
break;
case XR_ACTION_TYPE_VIBRATION_OUTPUT:
default:
break;
}
}
}
static qboolean XR_Begin(void)
{
uint32_t u;
XrResult res;
uint32_t swapfmts;
int64_t *fmts, fmttouse=0;
{
XrSessionCreateInfo sessioninfo = {XR_TYPE_SESSION_CREATE_INFO};
sessioninfo.next = xr.bindinginfo;
sessioninfo.createFlags = 0;
sessioninfo.systemId = xr.systemid;
res = xrCreateSession(xr.instance, &sessioninfo, &xr.session);
}
if (XR_FAILED(res))
{
Con_Printf("OpenXR: xrCreateSession failed (%s)\n", XR_StringForResult(res));
return false;
}
{
XrReferenceSpaceCreateInfo info = {XR_TYPE_REFERENCE_SPACE_CREATE_INFO};
info.referenceSpaceType = XR_REFERENCE_SPACE_TYPE_LOCAL;
info.poseInReferenceSpace.orientation.w = 1;
res = xrCreateReferenceSpace(xr.session, &info, &xr.space);
if (XR_FAILED(res))
return false;
}
xrEnumerateSwapchainFormats(xr.session, 0, &swapfmts, NULL);
fmts = alloca(sizeof(*fmts)*swapfmts);
res = xrEnumerateSwapchainFormats(xr.session, swapfmts, &swapfmts, fmts);
if (!swapfmts)
Con_Printf("OpenXR: No swapchain formats to use (%s)\n", XR_StringForResult(res));
#ifdef XR_USE_GRAPHICS_API_OPENGL
else if (xr.renderer == QR_OPENGL)
{
fmttouse = fmts[0]; //favour the first... its probably a bad choice though...
for (u = 0; u < swapfmts; u++) switch(fmts[u])
{
case GL_RGBA16F: Con_DPrintf("OpenXr fmt%u: %s\n", u, "GL_RGBA16F"); if (xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case GL_RGB10_A2: Con_DPrintf("OpenXr fmt%u: %s\n", u, "GL_RGB10_A2"); if (!xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case GL_RGBA8: Con_DPrintf("OpenXr fmt%u: %s\n", u, "GL_RGBA8"); if (!xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case GL_SRGB8_ALPHA8_EXT: Con_DPrintf("OpenXr fmt%u: %s\n", u, "GL_SRGB8_ALPHA8");if (xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
default:
Con_DPrintf("OpenXr fmt%u: %x\n", u, (unsigned)fmts[u]);
break;
}
}
#endif
#ifdef XR_USE_GRAPHICS_API_VULKAN
else if (xr.renderer == QR_VULKAN)
{
fmttouse = fmts[0]; //favour the first... its probably a bad choice though...
for (u = 0; u < swapfmts; u++) switch(fmts[u])
{
case VK_FORMAT_R16G16B16A16_SFLOAT: Con_DPrintf("OpenXr fmt%u: %s\n", u, "VK_FORMAT_R16G16B16A16_SFLOAT"); if (xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case VK_FORMAT_B8G8R8A8_UNORM: Con_DPrintf("OpenXr fmt%u: %s\n", u, "VK_FORMAT_B8G8R8A8_UNORM"); if (!xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case VK_FORMAT_R8G8B8A8_UNORM: Con_DPrintf("OpenXr fmt%u: %s\n", u, "VK_FORMAT_R8G8B8A8_UNORM"); if (!xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case VK_FORMAT_B8G8R8A8_SRGB: Con_DPrintf("OpenXr fmt%u: %s\n", u, "VK_FORMAT_B8G8R8A8_SRGB"); if (xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case VK_FORMAT_R8G8B8A8_SRGB: Con_DPrintf("OpenXr fmt%u: %s\n", u, "VK_FORMAT_R8G8B8A8_SRGB"); if (xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
default:
Con_DPrintf("OpenXr fmt%u: %u\n", u, (unsigned)fmts[u]);
break;
}
}
#endif
#ifdef XR_USE_GRAPHICS_API_D3D11
else if (xr.renderer == QR_DIRECT3D11)
{
fmttouse = fmts[0]; //favour the first... its probably a bad choice though...
for (u = 0; u < swapfmts; u++) switch(fmts[u])
{
case DXGI_FORMAT_R16G16B16A16_FLOAT: Con_DPrintf("OpenXr fmt%u: %s\n", u, "DXGI_FORMAT_R16G16B16A16_FLOAT"); if (xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case DXGI_FORMAT_B8G8R8A8_UNORM: Con_DPrintf("OpenXr fmt%u: %s\n", u, "DXGI_FORMAT_B8G8R8A8_UNORM"); if (!xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case DXGI_FORMAT_B8G8R8X8_UNORM: Con_DPrintf("OpenXr fmt%u: %s\n", u, "DXGI_FORMAT_B8G8R8X8_UNORM"); if (!xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case DXGI_FORMAT_R8G8B8A8_UNORM: Con_DPrintf("OpenXr fmt%u: %s\n", u, "DXGI_FORMAT_R8G8B8A8_UNORM"); if (!xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB: Con_DPrintf("OpenXr fmt%u: %s\n", u, "DXGI_FORMAT_B8G8R8A8_UNORM_SRGB"); if (xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB: Con_DPrintf("OpenXr fmt%u: %s\n", u, "DXGI_FORMAT_B8G8R8X8_UNORM_SRGB"); if (xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB: Con_DPrintf("OpenXr fmt%u: %s\n", u, "DXGI_FORMAT_R8G8B8A8_UNORM_SRGB"); if (xr.srgb) fmttouse = fmts[u],u=swapfmts; break;
default:
Con_DPrintf("OpenXr fmt%u: %x\n", u, (unsigned)fmts[u]);
break;
}
}
#endif
else
{
fmttouse = fmts[0];
for (u = 0; u < swapfmts; u++)
Con_Printf("fmt%u: %u / %x\n", u, (unsigned)fmts[u], (unsigned)fmts[u]);
}
for (u = 0; u < xr.viewcount; u++)
{
XrSwapchainCreateInfo swapinfo = {XR_TYPE_SWAPCHAIN_CREATE_INFO};
swapinfo.createFlags = 0;
swapinfo.usageFlags = XR_SWAPCHAIN_USAGE_COLOR_ATTACHMENT_BIT;
swapinfo.format = fmttouse;
swapinfo.sampleCount = 1;//xr.views->recommendedSwapchainSampleCount;
swapinfo.width = xr.views->recommendedImageRectWidth;
swapinfo.height = xr.views->recommendedImageRectHeight;
swapinfo.faceCount = 1; //2d, not a cube
swapinfo.arraySize = 1; //1 for 2d, a 1d array isn't allowed
swapinfo.mipCount = 1;
res = xrCreateSwapchain(xr.session, &swapinfo, &xr.eye[u].swapchain);
if (XR_FAILED(res))
{
Con_Printf("OpenXR: xrCreateSwapchain failed (%s)\n", XR_StringForResult(res));
return false;
}
res = xrEnumerateSwapchainImages(xr.eye[u].swapchain, 0, &xr.eye[u].numswapimages, NULL);
if (XR_FAILED(res))
{
Con_Printf("OpenXR: xrEnumerateSwapchainImages failed (%s)\n", XR_StringForResult(res));
return false;
}
//using a separate swapchain for each eye, so just depend upon npot here and use the whole image.
xr.eye[u].subimage.imageRect.offset.x = 0;
xr.eye[u].subimage.imageRect.offset.y = 0;
xr.eye[u].subimage.imageRect.extent.width = swapinfo.width;
xr.eye[u].subimage.imageRect.extent.height = swapinfo.height;
xr.eye[u].subimage.swapchain = xr.eye[u].swapchain;
xr.eye[u].subimage.imageArrayIndex = 0;
//okay, this is annoying. the returned array size has different strides for different apis, etc.
//translate it into something the relevant backend should understand.
switch(xr.renderer)
{
default:
return false; //erk?
#ifdef XR_USE_GRAPHICS_API_D3D11
case QR_DIRECT3D11:
{
uint32_t i;
XrSwapchainImageD3D11KHR *xrimg = calloc(xr.eye[u].numswapimages, sizeof(*xrimg));
for (i = 0; i < xr.eye[u].numswapimages; i++)
xrimg[i].type = XR_TYPE_SWAPCHAIN_IMAGE_VULKAN_KHR;
res = xrEnumerateSwapchainImages(xr.eye[u].swapchain, xr.eye[u].numswapimages, &xr.eye[u].numswapimages, (XrSwapchainImageBaseHeader*)xrimg);
if (XR_FAILED(res))
xr.eye[u].numswapimages = 0;
xr.eye[u].swapimages = calloc(xr.eye[u].numswapimages, sizeof(*xr.eye[u].swapimages));
for (i = 0; i < xr.eye[u].numswapimages; i++)
{
xr.eye[u].swapimages[i].ptr = xrimg[i].texture;
xr.eye[u].swapimages[i].ptr2 = NULL; //view
xr.eye[u].swapimages[i].width = swapinfo.width;
xr.eye[u].swapimages[i].height = swapinfo.height;
xr.eye[u].swapimages[i].depth = 1;
xr.eye[u].swapimages[i].status = TEX_LOADED;
}
}
break;
#endif
#ifdef XR_USE_GRAPHICS_API_VULKAN
case QR_VULKAN:
{
uint32_t i;
XrSwapchainImageVulkanKHR *xrimg = calloc(xr.eye[u].numswapimages, sizeof(*xrimg));
struct vk_image_s *vkimg;
for (i = 0; i < xr.eye[u].numswapimages; i++)
xrimg[i].type = XR_TYPE_SWAPCHAIN_IMAGE_VULKAN_KHR;
res = xrEnumerateSwapchainImages(xr.eye[u].swapchain, xr.eye[u].numswapimages, &xr.eye[u].numswapimages, (XrSwapchainImageBaseHeader*)xrimg);
if (XR_FAILED(res))
xr.eye[u].numswapimages = 0;
xr.eye[u].swapimages = calloc(xr.eye[u].numswapimages, sizeof(*xr.eye[u].swapimages)+sizeof(struct vk_image_s));
vkimg = (struct vk_image_s*)&xr.eye[u].swapimages[xr.eye[u].numswapimages];
for (i = 0; i < xr.eye[u].numswapimages; i++)
{
xr.eye[u].swapimages[i].vkimage = &vkimg[i];
vkimg[i].image = xrimg[i].image;
//vkimg[i].mem.* = 0;
vkimg[i].view = VK_NULL_HANDLE;
vkimg[i].sampler = VK_NULL_HANDLE;
vkimg[i].layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
vkimg[i].width = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
xr.eye[u].swapimages[i].width = vkimg[i].width = swapinfo.width;
xr.eye[u].swapimages[i].height = vkimg[i].height = swapinfo.height;
xr.eye[u].swapimages[i].depth = vkimg[i].layers = 1;
vkimg[i].mipcount = swapinfo.mipCount;
vkimg[i].encoding = PTI_INVALID; //blurgh, is this needed?
vkimg[i].type = PTI_2D;
xr.eye[u].swapimages[i].status = TEX_LOADED;
}
}
break;
#endif
#ifdef XR_USE_GRAPHICS_API_OPENGL
case QR_OPENGL:
{
uint32_t i;
XrSwapchainImageOpenGLKHR *xrimg = calloc(xr.eye[u].numswapimages, sizeof(*xrimg));
for (i = 0; i < xr.eye[u].numswapimages; i++)
xrimg[i].type = XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_KHR;
res = xrEnumerateSwapchainImages(xr.eye[u].swapchain, xr.eye[u].numswapimages, &xr.eye[u].numswapimages, (XrSwapchainImageBaseHeader*)xrimg);
if (XR_FAILED(res))
xr.eye[u].numswapimages = 0;
xr.eye[u].swapimages = calloc(xr.eye[u].numswapimages, sizeof(*xr.eye[u].swapimages));
for (i = 0; i < xr.eye[u].numswapimages; i++)
{
xr.eye[u].swapimages[i].num = xrimg[i].image;
xr.eye[u].swapimages[i].width = swapinfo.width;
xr.eye[u].swapimages[i].height = swapinfo.height;
xr.eye[u].swapimages[i].depth = 1;
xr.eye[u].swapimages[i].status = TEX_LOADED;
}
}
break;
#endif
}
}
if (XR_FAILED(res))
return false;
XR_SetupInputs();
return true;
}
static void XR_ProcessEvents(void)
{
XrEventDataBuffer ev;
XrResult res;
for (;;)
{
res = xrPollEvent(xr.instance, &ev);
if (res == XR_EVENT_UNAVAILABLE || XR_FAILED(res))
return; //nothing interesting here folks
switch(ev.type)
{
default: //no idea wtf that is
Con_Printf("openxr event %u\n", ev.type);
break;
case XR_TYPE_EVENT_DATA_SESSION_STATE_CHANGED:
{
XrEventDataSessionStateChanged *s = (XrEventDataSessionStateChanged*)&ev;
switch(s->state)
{
default:
break; //urgh
case XR_SESSION_STATE_READY:
{
XrSessionBeginInfo info = {XR_TYPE_SESSION_BEGIN_INFO};
info.primaryViewConfigurationType = xr.viewtype;
res = xrBeginSession(xr.session, &info);
if (XR_FAILED(res))
Con_Printf("Unable to begin session: %s\n", XR_StringForResult(res));
}
break;
case XR_SESSION_STATE_STOPPING:
res = xrEndSession(xr.session);
if (XR_FAILED(res))
Con_Printf("Unable to end session: %s\n", XR_StringForResult(res));
break;
}
xr.state = s->state;
}
break;
}
}
}
static qboolean XR_SyncFrame(double *frametime)
{
XrResult res;
if (!xr.instance)
return false;
if (xr.needrender)
{ //something screwed up.
// *frametime = 0;
return true;
}
XR_ProcessEvents();
memset(&xr.framestate, 0, sizeof(xr.framestate));
xr.framestate.type = XR_TYPE_FRAME_STATE;
switch(xr.state)
{
case XR_SESSION_STATE_READY:
case XR_SESSION_STATE_FOCUSED:
case XR_SESSION_STATE_SYNCHRONIZED:
case XR_SESSION_STATE_VISIBLE:
xr.framestate.shouldRender = !!xr.session;
break;
default:
xr.framestate.shouldRender = false;
break;
}
if (xr.framestate.shouldRender)
{
XrTime time;
memset(&xr.framestate, 0, sizeof(xr.framestate));
xr.framestate.type = XR_TYPE_FRAME_STATE;
res = xrWaitFrame(xr.session, NULL, &xr.framestate);
if (XR_FAILED(res))
{
Con_Printf("xrWaitFrame: %s\n", XR_StringForResult(res));
return false;
}
time = xr.framestate.predictedDisplayTime;
if (xr.timeknown)
{
if (time < xr.time) //make sure time doesn't go backward...
time = xr.time;
*frametime = (time-xr.time)/1000000000.0;
}
xr.time = time;
xr.timeknown = true;
xr.needrender = true;
}
if (xr.session)
XR_UpdateInputs(xr.framestate.predictedDisplayTime);
return true;
}
static qboolean XR_Render(void(*rendereye)(texid_t tex, vec4_t fovoverride, vec3_t angorg[2]))
{
XrFrameEndInfo endframeinfo = {XR_TYPE_FRAME_END_INFO};
unsigned int u;
XrResult res;
XrCompositionLayerProjection proj = {XR_TYPE_COMPOSITION_LAYER_PROJECTION};
const XrCompositionLayerBaseHeader *projlist[] = {(XrCompositionLayerBaseHeader*)&proj};
XrCompositionLayerProjectionView projviews[MAX_VIEW_COUNT];
if (!xr.instance)
return false; //err... noooes!
if (!xr.session)
{
if (!xr_enable->ival)
return false;
if (!XR_Begin())
{ //something catasrophic went wrong. don't spam begins.
XR_Shutdown();
}
return false;
}
if (!xr_enable->ival)
{
res = xrRequestExitSession(xr.session);
if (XR_FAILED(res))
Con_Printf("openxr: Unable to request session end: %s\n", XR_StringForResult(res));
XR_ProcessEvents();
}
switch(xr.state)
{
case XR_SESSION_STATE_EXITING:
XR_SessionEnded(); //destroys the session but not the instance, so it can be started up again if desired.
return false;
case XR_SESSION_STATE_FOCUSED:
case XR_SESSION_STATE_SYNCHRONIZED:
case XR_SESSION_STATE_VISIBLE:
case XR_SESSION_STATE_READY:
break;
default:
return false; //not ready.
}
if (!xr.needrender)
return false; //xrWaitFrame not called?
xr.needrender = false;
res = xrBeginFrame(xr.session, NULL);
if (XR_FAILED(res))
{
Con_Printf("xrBeginFrame: %s\n", XR_StringForResult(res));
if(res == XR_ERROR_SESSION_LOST)
XR_SessionEnded();
else
XR_Shutdown();
return false;
}
if (xr.framestate.shouldRender)
{
uint32_t eyecount;
XrViewState viewstate = {XR_TYPE_VIEW_STATE};
XrViewLocateInfo locateinfo = {XR_TYPE_VIEW_LOCATE_INFO};
XrView eyeview[MAX_VIEW_COUNT]={};
for (u = 0; u < MAX_VIEW_COUNT; u++)
eyeview[u].type = XR_TYPE_VIEW;
locateinfo.displayTime = xr.framestate.predictedDisplayTime;
locateinfo.space = xr.space;
res = xrLocateViews(xr.session, &locateinfo, &viewstate, xr.viewcount, &eyecount, eyeview);
if (XR_FAILED(res))
Con_Printf("xrLocateViews: %s\n", XR_StringForResult(res));
proj.layerFlags = 0;
proj.space = xr.space;
proj.views = projviews;
endframeinfo.layerCount = 1;
//set up the head position, as an average of all the eyes, the eyes, the awful knowing eyes...
{
float scale;
vec3_t ang, org;
XrPosef apose = {0};
for (u = 0; u < xr.viewcount && u < eyecount; u++)
{ //add em up
apose.orientation.x += eyeview[u].pose.orientation.x;
apose.orientation.y += eyeview[u].pose.orientation.y;
apose.orientation.z += eyeview[u].pose.orientation.z;
apose.orientation.w += eyeview[u].pose.orientation.w;
apose.position.x += eyeview[u].pose.position.x;
apose.position.y += eyeview[u].pose.position.y;
apose.position.z += eyeview[u].pose.position.z;
}
//normalize them
scale = 1 / sqrt(apose.orientation.x*apose.orientation.x+apose.orientation.y*apose.orientation.y+apose.orientation.z*apose.orientation.z+apose.orientation.w*apose.orientation.w);
apose.orientation.x *= scale;
apose.orientation.y *= scale;
apose.orientation.z *= scale;
apose.orientation.w *= scale;
apose.position.x /= xr.viewcount;
apose.position.y /= xr.viewcount;
apose.position.z /= xr.viewcount;
XR_PoseToAngOrg(&apose, ang, org);
inputfuncs->SetHandPosition("head", org, ang, NULL, NULL);
}
for (u = 0; u < xr.viewcount && u < eyecount; u++)
{
vec4_t fovoverride;
XrSwapchainImageWaitInfo waitinfo = {XR_TYPE_SWAPCHAIN_IMAGE_WAIT_INFO};
unsigned int imgidx = 0;
vec3_t orientation[2];
res = xrAcquireSwapchainImage(xr.eye[u].swapchain, NULL, &imgidx);
if (XR_FAILED(res))
Con_Printf("xrAcquireSwapchainImage: %s\n", XR_StringForResult(res));
memset(&projviews[u], 0, sizeof(projviews[u]));
projviews[u].type = XR_TYPE_COMPOSITION_LAYER_PROJECTION_VIEW;
projviews[u].pose = eyeview[u].pose;
projviews[u].fov = eyeview[u].fov;
projviews[u].subImage = xr.eye[u].subimage;
XR_PoseToAngOrg(&eyeview[u].pose, orientation[0], orientation[1]);
fovoverride[0] = eyeview[u].fov.angleLeft * (180/M_PI);
fovoverride[1] = eyeview[u].fov.angleRight * (180/M_PI);
fovoverride[2] = eyeview[u].fov.angleDown * (180/M_PI);
fovoverride[3] = eyeview[u].fov.angleUp * (180/M_PI);
waitinfo.timeout = 100000;
res = xrWaitSwapchainImage(xr.eye[u].swapchain, &waitinfo);
if (XR_FAILED(res))
Con_Printf("xrWaitSwapchainImage: %s\n", XR_StringForResult(res));
rendereye(&xr.eye[u].swapimages[imgidx], fovoverride, orientation);
//GL note: the OpenXR specification says NOTHING about the application having to glFlush or glFinish.
// I take this to mean that the openxr runtime is responsible for setting up barriers or w/e inside ReleaseSwapchainImage.
//VK note: the OpenXR spec does say that it needs to be color_attachment_optimal+owned by queue. which it is.
// I take this to mean that the openxr runtime is responsible for barriers (as it'll need to transition it to general or shader-read anyway).
res = xrReleaseSwapchainImage(xr.eye[u].swapchain, NULL);
if (XR_FAILED(res))
Con_Printf("xrReleaseSwapchainImage: %s\n", XR_StringForResult(res));
}
proj.viewCount = u;
}
endframeinfo.layers = projlist;
endframeinfo.displayTime = xr.framestate.predictedDisplayTime;
endframeinfo.environmentBlendMode = XR_ENVIRONMENT_BLEND_MODE_OPAQUE; //we don't do the alpha channel very well.
res = xrEndFrame(xr.session, &endframeinfo);
if (XR_FAILED(res))
{
Con_Printf("xrEndFrame: %s\n", XR_StringForResult(res));
if (res == XR_ERROR_SESSION_LOST || res == XR_ERROR_SESSION_NOT_RUNNING || res == XR_ERROR_SWAPCHAIN_RECT_INVALID)
XR_SessionEnded(); //something sessiony
else //if (res == XR_ERROR_INSTANCE_LOST)
XR_Shutdown(); //don't really know what it was, just kill everything
}
return xr_skipregularview->ival;
}
static plugvrfuncs_t openxr =
{
"OpenXR",
XR_PreInit,
XR_Init,
XR_SyncFrame,
XR_Render,
XR_Shutdown,
};
qboolean Plug_Init(void)
{
#ifdef XR_NO_PROTOTYPES
{
static dllhandle_t *lib;
static dllfunction_t funcs[] = {
#define XRFUNC(n) {(void*)&n, #n},
XRFUNCS
#undef XRFUNC
{NULL}};
#ifdef _WIN32
#define XR_LOADER_LIBNAME "openxr_loader"
#else
#define XR_LOADER_LIBNAME "libopenxr_loader"
#endif
if (!lib)
lib = plugfuncs->LoadDLL(XR_LOADER_LIBNAME, funcs);
if (!lib)
{
Con_Printf(CON_ERROR"OpenXR: Unable to load "XR_LOADER_LIBNAME ARCH_DL_POSTFIX"\n");
return false;
}
}
#endif
fsfuncs = plugfuncs->GetEngineInterface(plugfsfuncs_name, sizeof(*fsfuncs));
inputfuncs = plugfuncs->GetEngineInterface(pluginputfuncs_name, sizeof(*inputfuncs));
plugfuncs->ExportFunction("MayUnload", XR_PluginMayUnload);
if (plugfuncs->ExportInterface(plugvrfuncs_name, &openxr, sizeof(openxr)))
{
xr_enable = cvarfuncs->GetNVFDG("xr_enable", "1", 0, "Controls whether to use openxr rendering or not.", "OpenXR configuration");
xr_debug = cvarfuncs->GetNVFDG("xr_debug", "0", 0, "Controls whether to spam debug info or not.", "OpenXR configuration");
xr_formfactor = cvarfuncs->GetNVFDG("xr_formfactor", "head", CVAR_ARCHIVE, "Controls which VR system to try to use. Valid options are head, or hand", "OpenXR configuration");
xr_viewconfig = cvarfuncs->GetNVFDG("xr_viewconfig", "", CVAR_ARCHIVE, "Controls the type of view we aim for. Valid options are mono, stereo, or quad", "OpenXR configuration");
xr_metresize = cvarfuncs->GetNVFDG("xr_metresize", "26.24671916", CVAR_ARCHIVE, "Size of a metre in game units", "OpenXR configuration");
xr_skipregularview = cvarfuncs->GetNVFDG("xr_skipregularview", "0", CVAR_ARCHIVE, "Skip rendering the regular view when OpenXR is active.", "OpenXR configuration");
return true;
}
return false;
}
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