diff options
Diffstat (limited to 'src/egl/main/egldriver.c')
-rw-r--r-- | src/egl/main/egldriver.c | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/src/egl/main/egldriver.c b/src/egl/main/egldriver.c index dd363a18f46..ef1c366b302 100644 --- a/src/egl/main/egldriver.c +++ b/src/egl/main/egldriver.c @@ -218,32 +218,35 @@ _eglLoadDriver(const char *path, const char *args) /** * Match a display to a preloaded driver. + * + * The matching is done by finding the driver with the highest score. */ static _EGLDriver * _eglMatchDriver(_EGLDisplay *dpy) { - _EGLDriver *defaultDriver = NULL; - EGLint i; + _EGLDriver *best_drv = NULL; + EGLint best_score = -1, i; for (i = 0; i < _eglGlobal.NumDrivers; i++) { _EGLDriver *drv = _eglGlobal.Drivers[i]; - - /* display specifies a driver */ - if (dpy->DriverName) { - if (strcmp(dpy->DriverName, drv->Name) == 0) - return drv; - } - else if (drv->Probe) { - if (drv->Probe(drv, dpy)) - return drv; - } - else { - if (!defaultDriver) - defaultDriver = drv; + EGLint score; + + score = (drv->Probe) ? drv->Probe(drv, dpy) : 0; + if (score > best_score) { + if (best_drv) { + _eglLog(_EGL_DEBUG, "driver %s has higher score than %s", + drv->Name, best_drv->Name); + } + + best_drv = drv; + best_score = score; + /* perfect match */ + if (score >= 100) + break; } } - return defaultDriver; + return best_drv; } |