vr.h

Go to the documentation of this file.

#include "merged.h"
typedef struct vrsetup_s
{
        //engine-set
        size_t structsize;
        enum
        {
                VR_HEADLESS,    //not to be confused with decapitation
                VR_EGL,
                VR_X11_GLX,
//              VR_ANDROID_EGL,
                VR_WIN_WGL,
                VR_VULKAN,              //vulkan has no platform variation
                VR_D3D11,               //d3d11 only works on windows, so no platform variation
        } vrplatform;           //the type of renderer/args getting inited. abort if unknown.
        void *userctx;          //for use in callbacks.
        qboolean (*createinstance)(struct vrsetup_s *, char *instanceextensions, void *result);                         //used by vulkan, can be null for other renderers
 
        //vr-set (by preinit)
        struct
        {
                int major, minor;
        } minver, maxver;
        unsigned int deviceid[2];
        char *deviceextensions;
 
 
        //engine-set (for full init)
        //this stuff is intentionally at the end
        union {
                struct
                {
                        void *display;
                        int visualid;
                        void *glxfbconfig;
                        unsigned long drawable; //really int32
                        void *glxcontext;
                } x11_glx;
 
                struct
                {
                        void *(*getprocaddr)(const char *name);
                        void *egldisplay;
                        void *eglconfig;
                        void *eglcontext;
                } egl;
 
                struct
                {
                        void *hdc;
                        void *hglrc;
                } wgl;
 
                struct
                {
                        void *device;
                } d3d;
 
                struct
                {       //these are ALWAYS pointers in vulkan (annoyingly unlike many of its typedefs).
                        void *instance;
                        void *physicaldevice;
                        void *device;
                        unsigned int queuefamily;
                        unsigned int queueindex;
                } vk;
        };
} vrsetup_t;
 
//interface registered by plugins for VR stuff.
typedef struct plugvrfuncs_s
{
        const char      *description;
        qboolean        (*Prepare)      (vrsetup_t *setupinfo); //called before graphics context init
        qboolean        (*Init)         (vrsetup_t *setupinfo, rendererstate_t *info);  //called after graphics context init
        qboolean        (*SyncFrame)(double *frametime);        //called in the client's main loop, to block/tweak frame times. True means the game should render as fast as possible.
        qboolean        (*Render)       (void(*rendereye)(texid_t tex, vec4_t fovoverride, vec3_t angorg[2]));
        void            (*Shutdown)     (void);
#define plugvrfuncs_name "VR"
} plugvrfuncs_t;