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.

4 files changed, 46 insertions, 9 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;
diff --git a/src/gallium/state_trackers/egl/x11/native_x11.c b/src/gallium/state_trackers/egl/x11/native_x11.c
index 3add95d0ac..7b4fe63fa0 100644
--- a/src/gallium/state_trackers/egl/x11/native_x11.c
+++ b/src/gallium/state_trackers/egl/x11/native_x11.c
@@ -126,7 +126,8 @@ native_get_name(void)
 }
 
 struct native_display *
-native_create_display(EGLNativeDisplayType dpy)
+native_create_display(EGLNativeDisplayType dpy,
+                      struct native_event_handler *event_handler)
 {
    struct native_display *ndpy = NULL;
    boolean force_sw;
@@ -136,7 +137,7 @@ native_create_display(EGLNativeDisplayType dpy)
 
    force_sw = debug_get_bool_option("EGL_SOFTWARE", FALSE);
    if (api && !force_sw) {
-      ndpy = x11_create_dri2_display(dpy, api);
+      ndpy = x11_create_dri2_display(dpy, event_handler, api);
    }
 
    if (!ndpy) {
@@ -150,7 +151,7 @@ native_create_display(EGLNativeDisplayType dpy)
        */
       use_shm = FALSE;
       _eglLog(level, "use software%s fallback", (use_shm) ? " (SHM)" : "");
-      ndpy = x11_create_ximage_display(dpy, use_shm);
+      ndpy = x11_create_ximage_display(dpy, event_handler, use_shm);
    }
 
    return ndpy;
diff --git a/src/gallium/state_trackers/egl/x11/native_x11.h b/src/gallium/state_trackers/egl/x11/native_x11.h
index 622ddac5df..8c6a7d9349 100644
--- a/src/gallium/state_trackers/egl/x11/native_x11.h
+++ b/src/gallium/state_trackers/egl/x11/native_x11.h
@@ -29,9 +29,13 @@
 #include "common/native.h"
 
 struct native_display *
-x11_create_ximage_display(EGLNativeDisplayType dpy, boolean use_xshm);
+x11_create_ximage_display(EGLNativeDisplayType dpy,
+                          struct native_event_handler *event_handler,
+                          boolean use_xshm);
 
 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);
 
 #endif /* _NATIVE_X11_H_ */
diff --git a/src/gallium/state_trackers/egl/x11/native_ximage.c b/src/gallium/state_trackers/egl/x11/native_ximage.c
index a8633b1501..5e0270c296 100644
--- a/src/gallium/state_trackers/egl/x11/native_ximage.c
+++ b/src/gallium/state_trackers/egl/x11/native_ximage.c
@@ -56,6 +56,8 @@ struct ximage_display {
    struct x11_screen *xscr;
    int xscr_number;
 
+   struct native_event_handler *event_handler;
+
    boolean use_xshm;
 
    struct pipe_winsys *winsys;
@@ -228,6 +230,16 @@ ximage_surface_update_geometry(struct native_surface *nsurf)
    return updated;
 }
 
+static void
+ximage_surface_notify_invalid(struct native_surface *nsurf)
+{
+   struct ximage_surface *xsurf = ximage_surface(nsurf);
+   struct ximage_display *xdpy = xsurf->xdpy;
+
+   xdpy->event_handler->invalid_surface(&xdpy->base,
+         &xsurf->base, xsurf->server_stamp);
+}
+
 /**
  * Update the buffers of the surface.  It is a slow function due to the
  * round-trip to the server.
@@ -339,6 +351,7 @@ ximage_surface_flush_frontbuffer(struct native_surface *nsurf)
          NATIVE_ATTACHMENT_FRONT_LEFT);
    /* force buffers to be updated in next validation call */
    xsurf->server_stamp++;
+   ximage_surface_notify_invalid(&xsurf->base);
 
    return ret;
 }
@@ -354,6 +367,7 @@ ximage_surface_swap_buffers(struct native_surface *nsurf)
    ret = ximage_surface_draw_buffer(nsurf, NATIVE_ATTACHMENT_BACK_LEFT);
    /* force buffers to be updated in next validation call */
    xsurf->server_stamp++;
+   ximage_surface_notify_invalid(&xsurf->base);
 
    xfront = &xsurf->buffers[NATIVE_ATTACHMENT_FRONT_LEFT];
    xback = &xsurf->buffers[NATIVE_ATTACHMENT_BACK_LEFT];
@@ -703,7 +717,9 @@ ximage_display_destroy(struct native_display *ndpy)
 }
 
 struct native_display *
-x11_create_ximage_display(EGLNativeDisplayType dpy, boolean use_xshm)
+x11_create_ximage_display(EGLNativeDisplayType dpy,
+                          struct native_event_handler *event_handler,
+                          boolean use_xshm)
 {
    struct ximage_display *xdpy;
 
@@ -728,6 +744,8 @@ x11_create_ximage_display(EGLNativeDisplayType dpy, boolean use_xshm)
       return NULL;
    }
 
+   xdpy->event_handler = event_handler;
+
    xdpy->use_xshm =
       (use_xshm && x11_screen_support(xdpy->xscr, X11_SCREEN_EXTENSION_XSHM));