+static EGLBoolean
+drm_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
+{
+ struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+ static const struct {
+ int format;
+ unsigned int red_mask;
+ unsigned int alpha_mask;
+ } visuals[] = {
+ { GBM_FORMAT_XRGB2101010, 0x3ff00000, 0x00000000 },
+ { GBM_FORMAT_ARGB2101010, 0x3ff00000, 0xc0000000 },
+ { GBM_FORMAT_XRGB8888, 0x00ff0000, 0x00000000 },
+ { GBM_FORMAT_ARGB8888, 0x00ff0000, 0xff000000 },
+ { GBM_FORMAT_RGB565, 0x0000f800, 0x00000000 },
+ };
+ EGLint attr_list[] = {
+ EGL_NATIVE_VISUAL_ID, 0,
+ EGL_NONE,
+ };
+ unsigned int format_count[ARRAY_SIZE(visuals)] = { 0 };
+ unsigned int count, i, j;
+
+ count = 0;
+ for (i = 0; dri2_dpy->driver_configs[i]; i++) {
+ unsigned int red, alpha;
+
+ dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
+ __DRI_ATTRIB_RED_MASK, &red);
+ dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
+ __DRI_ATTRIB_ALPHA_MASK, &alpha);
+
+ for (j = 0; j < ARRAY_SIZE(visuals); j++) {
+ struct dri2_egl_config *dri2_conf;
+
+ if (visuals[j].red_mask != red || visuals[j].alpha_mask != alpha)
+ continue;
+
+ attr_list[1] = visuals[j].format;
+
+ dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
+ count + 1, EGL_WINDOW_BIT, attr_list, NULL);
+ if (dri2_conf) {
+ count++;
+ format_count[j]++;
+ }
+ }
+ }
+
+ for (i = 0; i < ARRAY_SIZE(format_count); i++) {
+ if (!format_count[i]) {
+ _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
+ visuals[i].format);
+ }
+ }
+
+ return (count != 0);
+}
+
+static const struct dri2_egl_display_vtbl dri2_drm_display_vtbl = {