| #ifndef EGLDRIVER_INCLUDED |
| #define EGLDRIVER_INCLUDED |
| |
| |
| #include "egltypedefs.h" |
| #include "eglapi.h" |
| |
| |
| /** |
| * Define an inline driver typecast function. |
| * |
| * Note that this macro defines a function and should not be ended with a |
| * semicolon when used. |
| */ |
| #define _EGL_DRIVER_TYPECAST(drvtype, egltype, code) \ |
| static INLINE struct drvtype *drvtype(const egltype *obj) \ |
| { return (struct drvtype *) code; } |
| |
| |
| /** |
| * Define the driver typecast functions for _EGLDriver, _EGLDisplay, |
| * _EGLContext, _EGLSurface, and _EGLConfig. |
| * |
| * Note that this macro defines several functions and should not be ended with |
| * a semicolon when used. |
| */ |
| #define _EGL_DRIVER_STANDARD_TYPECASTS(drvname) \ |
| _EGL_DRIVER_TYPECAST(drvname ## _driver, _EGLDriver, obj) \ |
| /* note that this is not a direct cast */ \ |
| _EGL_DRIVER_TYPECAST(drvname ## _display, _EGLDisplay, obj->DriverData) \ |
| _EGL_DRIVER_TYPECAST(drvname ## _context, _EGLContext, obj) \ |
| _EGL_DRIVER_TYPECAST(drvname ## _surface, _EGLSurface, obj) \ |
| _EGL_DRIVER_TYPECAST(drvname ## _config, _EGLConfig, obj) |
| |
| |
| typedef _EGLDriver *(*_EGLMain_t)(const char *args); |
| |
| |
| /** |
| * Base class for device drivers. |
| */ |
| struct _egl_driver |
| { |
| void *LibHandle; /**< dlopen handle */ |
| const char *Path; /**< path to this driver */ |
| const char *Args; /**< args to load this driver */ |
| |
| const char *Name; /**< name of this driver */ |
| |
| /** |
| * Probe a display and return a score. |
| * |
| * Roughly, |
| * 50 means the driver supports the display; |
| * 90 means the driver can accelerate the display; |
| * 100 means a perfect match. |
| */ |
| EGLint (*Probe)(_EGLDriver *drv, _EGLDisplay *dpy); |
| |
| /** |
| * Release the driver resource. |
| * |
| * It is called before dlclose(). |
| */ |
| void (*Unload)(_EGLDriver *drv); |
| |
| _EGLAPI API; /**< EGL API dispatch table */ |
| }; |
| |
| |
| PUBLIC _EGLDriver * |
| _eglMain(const char *args); |
| |
| |
| extern _EGLDriver * |
| _eglMatchDriver(_EGLDisplay *dpy); |
| |
| |
| extern EGLBoolean |
| _eglPreloadDrivers(void); |
| |
| |
| extern void |
| _eglUnloadDrivers(void); |
| |
| |
| extern _EGLDriver * |
| _eglLoadDefaultDriver(EGLDisplay dpy, EGLint *major, EGLint *minor); |
| |
| |
| PUBLIC void |
| _eglInitDriverFallbacks(_EGLDriver *drv); |
| |
| |
| PUBLIC void |
| _eglSearchPathForEach(EGLBoolean (*callback)(const char *, size_t, void *), |
| void *callback_data); |
| |
| |
| #endif /* EGLDRIVER_INCLUDED */ |