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OpenXR initialization added

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This commit is contained in:
Lubos 2022-03-29 17:13:48 +02:00
parent 96bf69cb15
commit f2fefbf708
6 changed files with 108 additions and 44 deletions
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2
Makefile
View file

@ -468,7 +468,7 @@ ifeq ($(PLATFORM),android)
CLIENT_EXTRA_FILES += $(LIBSDIR)/android/arm64-v8a/libSDL2.so
# OpenXR
BASE_CFLAGS += -I$(OPENXRDIR)/Include -I$(OPENXRSDKDIR)/Include
BASE_CFLAGS += -I$(OPENXRDIR)/Include -I$(OPENXRSDKDIR)/include
CLIENT_LIBS += $(OPENXRDIR)/Libs/Android/arm64-v8a/Release/libopenxr_loader.so
RENDERER_LIBS += $(OPENXRDIR)/Libs/Android/arm64-v8a/Release/libopenxr_loader.so
CLIENT_EXTRA_FILES += $(OPENXRDIR)/Libs/Android/arm64-v8a/Release/libopenxr_loader.so

2
README.md
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@ -5,7 +5,7 @@
### Prerequisites
1. Install your copy of Quake III Arena from Steam.
2. Android Studio with NDK version 21.1.6352462.
3. Download the Oculus VR SDK from https://developer.oculus.com/downloads/package/oculus-mobile-sdk/
3. Download the Oculus OpenXR SDK from https://developer.oculus.com/downloads/package/oculus-openxr-mobile-sdk/
4. Extract the OpenXR folder to ./android/app/src/main/cpp/code/OpenXR/
5. Extract the 3rdParty/khronos/openxr/OpenXR-SDK folder to ./android/app/src/main/cpp/code/OpenXR-SDK/

2
android/app/src/main/cpp/CMakeLists.txt
View file

@ -27,7 +27,7 @@ add_custom_target(copy_libs
add_dependencies(main copy_libs)
target_include_directories(main PRIVATE
${CMAKE_SOURCE_DIR}/code/OpenXR/Include
${CMAKE_SOURCE_DIR}/code/OpenXR-SDK/include
${CMAKE_SOURCE_DIR}/code/SDL2/include
${CMAKE_SOURCE_DIR}/code)

132
android/app/src/main/cpp/code/vr/vr_base.c
View file

@ -5,16 +5,26 @@
//#if __ANDROID__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wstrict-prototypes"
#pragma clang diagnostic pop
#include <EGL/egl.h>
#include <assert.h>
static engine_t vr_engine;
const char* const requiredExtensionNames[] = {
XR_KHR_OPENGL_ES_ENABLE_EXTENSION_NAME,
XR_EXT_PERFORMANCE_SETTINGS_EXTENSION_NAME,
XR_KHR_ANDROID_THREAD_SETTINGS_EXTENSION_NAME,
XR_KHR_COMPOSITION_LAYER_CUBE_EXTENSION_NAME,
XR_KHR_COMPOSITION_LAYER_CYLINDER_EXTENSION_NAME,
XR_KHR_COMPOSITION_LAYER_EQUIRECT2_EXTENSION_NAME,
XR_FB_DISPLAY_REFRESH_RATE_EXTENSION_NAME,
XR_FB_COLOR_SPACE_EXTENSION_NAME,
XR_FB_SWAPCHAIN_UPDATE_STATE_EXTENSION_NAME,
XR_FB_SWAPCHAIN_UPDATE_STATE_OPENGL_ES_EXTENSION_NAME,
XR_FB_FOVEATION_EXTENSION_NAME,
XR_FB_FOVEATION_CONFIGURATION_EXTENSION_NAME};
const uint32_t numRequiredExtensions =
sizeof(requiredExtensionNames) / sizeof(requiredExtensionNames[0]);
cvar_t *vr_worldscale = NULL;
cvar_t *vr_hudDepth = NULL;
cvar_t *vr_righthanded = NULL;
@ -39,20 +49,45 @@ cvar_t *vr_weaponSelectorWithHud = NULL;
engine_t* VR_Init( ovrJava java )
{
//TODO:
/*
ovrInitParms initParams;
ovrResult initResult;
PFN_xrInitializeLoaderKHR xrInitializeLoaderKHR;
xrGetInstanceProcAddr(
XR_NULL_HANDLE, "xrInitializeLoaderKHR", (PFN_xrVoidFunction*)&xrInitializeLoaderKHR);
if (xrInitializeLoaderKHR != NULL) {
XrLoaderInitInfoAndroidKHR loaderInitializeInfoAndroid;
memset(&loaderInitializeInfoAndroid, 0, sizeof(loaderInitializeInfoAndroid));
loaderInitializeInfoAndroid.type = XR_TYPE_LOADER_INIT_INFO_ANDROID_KHR;
loaderInitializeInfoAndroid.next = NULL;
loaderInitializeInfoAndroid.applicationVM = java.Vm;
loaderInitializeInfoAndroid.applicationContext = java.ActivityObject;
xrInitializeLoaderKHR((XrLoaderInitInfoBaseHeaderKHR*)&loaderInitializeInfoAndroid);
}
memset(&vr_engine, 0, sizeof(vr_engine));
// Create the OpenXR instance.
XrApplicationInfo appInfo;
memset(&appInfo, 0, sizeof(appInfo));
strcpy(appInfo.applicationName, "Quake 3 Arena");
appInfo.applicationVersion = 0;
strcpy(appInfo.engineName, "Quake 3 Arena");
appInfo.engineVersion = 0;
appInfo.apiVersion = XR_CURRENT_API_VERSION;
initParams = vrapi_DefaultInitParms(&java);
initResult = vrapi_Initialize(&initParams);
assert(initResult == VRAPI_INITIALIZE_SUCCESS);
*/
vr_engine.java = java;
XrInstanceCreateInfo instanceCreateInfo;
memset(&instanceCreateInfo, 0, sizeof(instanceCreateInfo));
instanceCreateInfo.type = XR_TYPE_INSTANCE_CREATE_INFO;
instanceCreateInfo.next = NULL;
instanceCreateInfo.createFlags = 0;
instanceCreateInfo.applicationInfo = appInfo;
instanceCreateInfo.enabledApiLayerCount = 0;
instanceCreateInfo.enabledApiLayerNames = NULL;
instanceCreateInfo.enabledExtensionCount = numRequiredExtensions;
instanceCreateInfo.enabledExtensionNames = requiredExtensionNames;
if (xrCreateInstance(&instanceCreateInfo, &vr_engine.Instance) != XR_SUCCESS) {
exit(1);
}
return &vr_engine;
memset(&vr_engine, 0, sizeof(vr_engine));
vr_engine.java = java;
return &vr_engine;
}
void VR_InitCvars( void )
@ -174,38 +209,55 @@ void VR_InitCvars( void )
void VR_Destroy( engine_t* engine )
{
if (engine == &vr_engine) {
//TODO:vrapi_Shutdown();
}
if (engine == &vr_engine) {
xrDestroyInstance(engine->Instance);
}
}
void VR_EnterVR( engine_t* engine, ovrJava java ) {
//TODO:
/*
if (!engine->ovr) {
ovrModeParms modeParams = vrapi_DefaultModeParms(&java);
modeParams.Display = (size_t)eglGetCurrentDisplay();
modeParams.WindowSurface = (size_t)eglGetCurrentSurface(EGL_DRAW);
modeParams.ShareContext = (size_t)eglGetCurrentContext();
engine->ovr = vrapi_EnterVrMode(&modeParams);
engine->frameIndex = 0;
XrSystemId systemId;
XrSystemGetInfo systemGetInfo;
memset(&systemGetInfo, 0, sizeof(systemGetInfo));
systemGetInfo.type = XR_TYPE_SYSTEM_GET_INFO;
systemGetInfo.next = NULL;
systemGetInfo.formFactor = XR_FORM_FACTOR_HEAD_MOUNTED_DISPLAY;
if (xrGetSystem(engine->Instance, &systemGetInfo, &systemId) != XR_SUCCESS) {
exit(1);
}
vrapi_SetTrackingSpace(engine->ovr, VRAPI_TRACKING_SPACE_LOCAL_FLOOR);
// Get the graphics requirements.
PFN_xrGetOpenGLESGraphicsRequirementsKHR pfnGetOpenGLESGraphicsRequirementsKHR = NULL;
xrGetInstanceProcAddr(
engine->Instance,
"xrGetOpenGLESGraphicsRequirementsKHR",
(PFN_xrVoidFunction*)(&pfnGetOpenGLESGraphicsRequirementsKHR));
XrGraphicsRequirementsOpenGLESKHR graphicsRequirements = {};
graphicsRequirements.type = XR_TYPE_GRAPHICS_REQUIREMENTS_OPENGL_ES_KHR;
pfnGetOpenGLESGraphicsRequirementsKHR(engine->Instance, systemId, &graphicsRequirements);
vrapi_SetClockLevels(engine->ovr, 4, 4);
}
*/
// Create the OpenXR Session.
XrGraphicsBindingOpenGLESAndroidKHR graphicsBindingAndroidGLES = {};
graphicsBindingAndroidGLES.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_ES_ANDROID_KHR;
graphicsBindingAndroidGLES.next = NULL;
graphicsBindingAndroidGLES.display = eglGetCurrentDisplay();
graphicsBindingAndroidGLES.config = eglGetCurrentSurface(EGL_DRAW);
graphicsBindingAndroidGLES.context = eglGetCurrentContext();
XrSessionCreateInfo sessionCreateInfo = {};
memset(&sessionCreateInfo, 0, sizeof(sessionCreateInfo));
sessionCreateInfo.type = XR_TYPE_SESSION_CREATE_INFO;
sessionCreateInfo.next = &graphicsBindingAndroidGLES;
sessionCreateInfo.createFlags = 0;
sessionCreateInfo.systemId = systemId;
if (xrCreateSession(engine->Instance, &sessionCreateInfo, &engine->Session) != XR_SUCCESS) {
exit(1);
}
}
void VR_LeaveVR( engine_t* engine ) {
//TODO:
/*
if (engine->ovr) {
vrapi_LeaveVrMode(engine->ovr);
engine->ovr = NULL;
}
*/
xrDestroySession(engine->Session);
}
engine_t* VR_GetEngine( void ) {

4
android/app/src/main/cpp/code/vr/vr_renderer.c
View file

@ -75,6 +75,10 @@ void VR_GetResolution(engine_t* engine, int *pWidth, int *pHeight)
*pWidth = width;
*pHeight = height;
}
//TODO:remove hardcoded values
*pWidth = 3664 / 2;
*pHeight = 1920;
}
void VR_InitRenderer( engine_t* engine ) {

10
android/app/src/main/cpp/code/vr/vr_types.h
View file

@ -9,7 +9,14 @@
# include <SDL_opengles2.h>
#endif
//OpenXR
#define XR_USE_GRAPHICS_API_OPENGL_ES 1
#define XR_USE_PLATFORM_ANDROID 1
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <jni.h>
#include <openxr/openxr.h>
#include <openxr/openxr_platform.h>
typedef struct {
JavaVM* Vm;
@ -27,11 +34,12 @@ typedef struct {
typedef struct {
uint64_t frameIndex;
//TODO:ovrMobile* ovr;
ovrJava java;
double predictedDisplayTime;
//TODO:ovrTracking2 tracking;
framebuffer_t framebuffers[2];
XrInstance Instance;
XrSession Session;
} engine_t;
typedef enum {