egl: Added DRI3 code guards.

MacOS does not have any DRI3 libraries, these code guards hide the code paths
the fail to compile without DRI3.

Acked-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28130>

src/egl/drivers/dri2/egl_dri2.c

@@ -1586,7 +1586,7 @@ dri2_create_drawable(struct dri2_egl_display *dri2_dpy,
       dri2_surf->dri_drawable = dri2_dpy->kopper->createNewDrawable(
          dri2_dpy->dri_screen_render_gpu, config, loaderPrivate,
          &(__DRIkopperDrawableInfo){
-#ifdef HAVE_X11_PLATFORM
+#if defined(HAVE_X11_PLATFORM) && defined(HAVE_DRI3)
             .multiplanes_available = dri2_dpy->multibuffers_available,
 #endif
             .is_pixmap = dri2_surf->base.Type == EGL_PBUFFER_BIT ||

src/egl/drivers/dri2/platform_x11.c

@@ -1231,6 +1231,7 @@ dri2_x11_get_msc_rate(_EGLDisplay *display, _EGLSurface *surface,
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(display);
 
+#ifdef HAVE_DRI3
    loader_update_screen_resources(&dri2_dpy->screen_resources);
 
    if (dri2_dpy->screen_resources.num_crtcs == 0) {
@@ -1247,6 +1248,10 @@ dri2_x11_get_msc_rate(_EGLDisplay *display, _EGLSurface *surface,
    /* If there's only one active CRTC, we're done */
    if (dri2_dpy->screen_resources.num_crtcs == 1)
       return EGL_TRUE;
+#else
+   *numerator = 0;
+   *denominator = 1;
+#endif
 
    /* In a multi-monitor setup, look at each CRTC and perform a box
     * intersection between the CRTC and surface.  Use the CRTC whose
@@ -1269,6 +1274,7 @@ dri2_x11_get_msc_rate(_EGLDisplay *display, _EGLSurface *surface,
       return EGL_FALSE;
    }
 
+#ifdef HAVE_DRI3
    int area = 0;
 
    for (unsigned c = 0; c < dri2_dpy->screen_resources.num_crtcs; c++) {
@@ -1283,6 +1289,7 @@ dri2_x11_get_msc_rate(_EGLDisplay *display, _EGLSurface *surface,
          area = c_area;
       }
    }
+#endif
 
    /* If the window is entirely off-screen, then area will still be 0.
     * We defaulted to the first CRTC in the list's refresh rate, earlier.
@@ -1550,9 +1557,11 @@ dri2_initialize_x11_swrast(_EGLDisplay *disp)
     * here will allow is to simply free the memory at dri2_terminate().
     */
    dri2_dpy->driver_name = strdup(disp->Options.Zink ? "zink" : "swrast");
+#ifdef HAVE_DRI3
    if (disp->Options.Zink &&
        !debug_get_bool_option("LIBGL_DRI3_DISABLE", false))
       dri3_x11_connect(dri2_dpy);
+#endif
    if (!dri2_load_driver_swrast(disp))
       goto cleanup;
 
@@ -1585,8 +1594,10 @@ dri2_initialize_x11_swrast(_EGLDisplay *disp)
       /* FIXME: if mesa vk wsi ever checks VkPresentRegionKHR in sw mode */
       disp->Extensions.EXT_swap_buffers_with_damage = !disp->Options.ForceSoftware;
 
+#ifdef HAVE_DRI3
       if (dri2_dpy->multibuffers_available)
          dri2_set_WL_bind_wayland_display(disp);
+#endif
    }
    disp->Extensions.EXT_buffer_age = EGL_TRUE;
    disp->Extensions.ANGLE_sync_control_rate = EGL_TRUE;
@@ -1814,8 +1825,10 @@ dri2_initialize_x11(_EGLDisplay *disp)
 void
 dri2_teardown_x11(struct dri2_egl_display *dri2_dpy)
 {
+#ifdef HAVE_DRI3
    if (dri2_dpy->dri2_major >= 3)
       loader_destroy_screen_resources(&dri2_dpy->screen_resources);
+#endif
 
    if (dri2_dpy->own_device)
       xcb_disconnect(dri2_dpy->conn);

src/gallium/frontends/dri/kopper.c

@@ -370,6 +370,7 @@ kopper_get_pixmap_buffer(struct dri_drawable *drawable,
    } else
 #endif
    {
+#ifdef HAVE_DRI3
       xcb_dri3_buffer_from_pixmap_cookie_t bp_cookie;
       xcb_dri3_buffer_from_pixmap_reply_t *bp_reply;
       xcb_generic_error_t *error;
@@ -389,6 +390,9 @@ kopper_get_pixmap_buffer(struct dri_drawable *drawable,
       width = bp_reply->width;
       height = bp_reply->height;
       free(bp_reply);
+#else
+      return NULL;
+#endif
    }
 
    drawable->w = width;

src/glx/drisw_glx.c

@@ -995,6 +995,7 @@ driswCreateScreenDriver(int screen, struct glx_display *priv,
        goto handle_error;
    }
 
+#if defined(HAVE_DRI3)
    if (pdpyp->zink) {
       bool err;
       psc->has_multibuffer = dri3_check_multibuffer(priv->dpy, &err);
@@ -1007,6 +1008,7 @@ driswCreateScreenDriver(int screen, struct glx_display *priv,
          goto handle_error;
       }
    }
+#endif
 
    glx_config_destroy_list(psc->base.configs);
    psc->base.configs = configs;