ioq3quest/code/vr/vr_base.c
2020-09-06 13:40:32 +02:00

62 lines
1.3 KiB
C

#include "vr_base.h"
#include "VrApi_Types.h"
#if __ANDROID__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wstrict-prototypes"
#include <VrApi_Helpers.h>
#pragma clang diagnostic pop
#include <EGL/egl.h>
#include <assert.h>
static engine_t vr_engine;
engine_t* VR_Init( ovrJava java )
{
ovrInitParms initParams;
ovrResult initResult;
memset(&vr_engine, 0, sizeof(vr_engine));
initParams = vrapi_DefaultInitParms(&java);
initResult = vrapi_Initialize(&initParams);
assert(initResult == VRAPI_INITIALIZE_SUCCESS);
return &vr_engine;
}
void VR_Destroy( engine_t* engine )
{
if (engine == &vr_engine) {
vrapi_Shutdown();
}
}
void VR_EnterVR( engine_t* engine, ovrJava java ) {
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;
vrapi_SetTrackingSpace(engine->ovr, VRAPI_TRACKING_SPACE_LOCAL);
}
}
void VR_LeaveVR( engine_t* engine ) {
if (engine->ovr) {
vrapi_LeaveVrMode(engine->ovr);
engine->ovr = NULL;
}
}
engine_t* VR_GetEngine( void ) {
return &vr_engine;
}
#endif