diff options
| -rw-r--r-- | src/gallium/winsys/egl_xlib/egl_xlib.c | 73 |
1 files changed, 52 insertions, 21 deletions
diff --git a/src/gallium/winsys/egl_xlib/egl_xlib.c b/src/gallium/winsys/egl_xlib/egl_xlib.c index ce3a0ae0daa..07b3c0eb002 100644 --- a/src/gallium/winsys/egl_xlib/egl_xlib.c +++ b/src/gallium/winsys/egl_xlib/egl_xlib.c @@ -115,34 +115,68 @@ lookup_context(EGLContext surf) } +static unsigned int +bitcount(unsigned int n) +{ + unsigned int bits; + for (bits = 0; n > 0; n = n >> 1) { + bits += (n & 1); + } + return bits; +} + + /** - * XXX temporary - * Need to query X server's GLX visuals. + * Create the EGLConfigs. (one per X visual) */ static void -init_configs(_EGLDriver *drv, EGLDisplay dpy) +create_configs(_EGLDriver *drv, EGLDisplay dpy) { _EGLDisplay *disp = _eglLookupDisplay(dpy); - int i; + XVisualInfo *visInfo, visTemplate; + int num_visuals, i; + + /* get list of all X visuals, create an EGL config for each */ + visTemplate.screen = DefaultScreen(disp->Xdpy); + visInfo = XGetVisualInfo(disp->Xdpy, VisualScreenMask, + &visTemplate, &num_visuals); + if (!visInfo) { + printf("egl_xlib.c: couldn't get any X visuals\n"); + abort(); + } - for (i = 0; i < 2; i++) { - _EGLConfig config; + for (i = 0; i < num_visuals; i++) { + _EGLConfig *config = calloc(1, sizeof(_EGLConfig)); int id = i + 1; - _eglInitConfig(&config, id); - SET_CONFIG_ATTRIB(&config, EGL_RED_SIZE, 8); - SET_CONFIG_ATTRIB(&config, EGL_GREEN_SIZE, 8); - SET_CONFIG_ATTRIB(&config, EGL_BLUE_SIZE, 8); - SET_CONFIG_ATTRIB(&config, EGL_ALPHA_SIZE, 8); - if (i > 0) { - SET_CONFIG_ATTRIB(&config, EGL_DEPTH_SIZE, 24); - SET_CONFIG_ATTRIB(&config, EGL_STENCIL_SIZE, 8); - } - _eglAddConfig(disp, &config); + int rbits = bitcount(visInfo[i].red_mask); + int gbits = bitcount(visInfo[i].green_mask); + int bbits = bitcount(visInfo[i].blue_mask); + int abits = bbits == 8 ? 8 : 0; + int zbits = 24; + int sbits = 8; + int visid = visInfo[i].visualid; +#if defined(__cplusplus) || defined(c_plusplus) + int vistype = visInfo[i].c_class; +#else + int vistype = visInfo[i].class; +#endif + + _eglInitConfig(config, id); + SET_CONFIG_ATTRIB(config, EGL_BUFFER_SIZE, rbits + gbits + bbits + abits); + SET_CONFIG_ATTRIB(config, EGL_RED_SIZE, rbits); + SET_CONFIG_ATTRIB(config, EGL_GREEN_SIZE, gbits); + SET_CONFIG_ATTRIB(config, EGL_BLUE_SIZE, bbits); + SET_CONFIG_ATTRIB(config, EGL_ALPHA_SIZE, abits); + SET_CONFIG_ATTRIB(config, EGL_DEPTH_SIZE, zbits); + SET_CONFIG_ATTRIB(config, EGL_STENCIL_SIZE, sbits); + SET_CONFIG_ATTRIB(config, EGL_NATIVE_VISUAL_ID, visid); + SET_CONFIG_ATTRIB(config, EGL_NATIVE_VISUAL_TYPE, vistype); + + _eglAddConfig(disp, config); } } - /** * Called via eglInitialize(), drv->API.Initialize(). */ @@ -150,10 +184,7 @@ static EGLBoolean xlib_eglInitialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *minor, EGLint *major) { - /* visual configs */ - - init_configs(drv, dpy); - + create_configs(drv, dpy); drv->Initialized = EGL_TRUE; |