st/egl: Add event support to the native display interface.

There is only invalid_surface event right now.  When EGL receives the
event, it sets the force_validate flag of the context binding to the
surface.  This helps skip an unnecessary check.

1 files changed, 17 insertions, 3 deletions

diff --git a/src/gallium/state_trackers/egl/x11/native_dri2.c b/src/gallium/state_trackers/egl/x11/native_dri2.c
index 74d3d104b9..858033e1c1 100644
--- a/src/gallium/state_trackers/egl/x11/native_dri2.c
+++ b/src/gallium/state_trackers/egl/x11/native_dri2.c
@@ -48,6 +48,8 @@ struct dri2_display {
    Display *dpy;
    boolean own_dpy;
 
+   struct native_event_handler *event_handler;
+
    struct drm_api *api;
    struct x11_screen *xscr;
    int xscr_number;
@@ -324,8 +326,11 @@ dri2_surface_flush_frontbuffer(struct native_surface *nsurf)
             DRI2BufferFakeFrontLeft, DRI2BufferFrontLeft);
 
    /* force buffers to be updated in next validation call */
-   if (!dri2_surface_receive_events(&dri2surf->base))
+   if (!dri2_surface_receive_events(&dri2surf->base)) {
       dri2surf->server_stamp++;
+      dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
+            &dri2surf->base, dri2surf->server_stamp);
+   }
 
    return TRUE;
 }
@@ -353,8 +358,11 @@ dri2_surface_swap_buffers(struct native_surface *nsurf)
             DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
 
    /* force buffers to be updated in next validation call */
-   if (!dri2_surface_receive_events(&dri2surf->base))
+   if (!dri2_surface_receive_events(&dri2surf->base)) {
       dri2surf->server_stamp++;
+      dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
+            &dri2surf->base, dri2surf->server_stamp);
+   }
 
    return TRUE;
 }
@@ -737,7 +745,10 @@ dri2_display_invalidate_buffers(struct x11_screen *xscr, Drawable drawable,
       return;
 
    dri2surf = dri2_surface(nsurf);
+
    dri2surf->server_stamp++;
+   dri2dpy->event_handler->invalid_surface(&dri2dpy->base,
+         &dri2surf->base, dri2surf->server_stamp);
 }
 
 /**
@@ -796,7 +807,9 @@ dri2_display_hash_table_compare(void *key1, void *key2)
 }
 
 struct native_display *
-x11_create_dri2_display(EGLNativeDisplayType dpy, struct drm_api *api)
+x11_create_dri2_display(EGLNativeDisplayType dpy,
+                        struct native_event_handler *event_handler,
+                        struct drm_api *api)
 {
    struct dri2_display *dri2dpy;
 
@@ -804,6 +817,7 @@ x11_create_dri2_display(EGLNativeDisplayType dpy, struct drm_api *api)
    if (!dri2dpy)
       return NULL;
 
+   dri2dpy->event_handler = event_handler;
    dri2dpy->api = api;
 
    dri2dpy->dpy = dpy;