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.

2 files changed, 12 insertions, 3 deletions

diff --git a/src/gallium/state_trackers/egl/kms/native_kms.c b/src/gallium/state_trackers/egl/kms/native_kms.c
index aedf3d430ca..90c82eaf6ce 100644
--- a/src/gallium/state_trackers/egl/kms/native_kms.c
+++ b/src/gallium/state_trackers/egl/kms/native_kms.c
@@ -201,6 +201,8 @@ kms_surface_swap_buffers(struct native_surface *nsurf)
 
    /* the front/back textures are swapped */
    ksurf->sequence_number++;
+   kdpy->event_handler->invalid_surface(&kdpy->base,
+         &ksurf->base, ksurf->sequence_number);
 
    return TRUE;
 }
@@ -762,7 +764,9 @@ static struct native_display_modeset kms_display_modeset = {
 };
 
 static struct native_display *
-kms_create_display(EGLNativeDisplayType dpy, struct drm_api *api)
+kms_create_display(EGLNativeDisplayType dpy,
+                   struct native_event_handler *event_handler,
+                   struct drm_api *api)
 {
    struct kms_display *kdpy;
 
@@ -770,6 +774,8 @@ kms_create_display(EGLNativeDisplayType dpy, struct drm_api *api)
    if (!kdpy)
       return NULL;
 
+   kdpy->event_handler = event_handler;
+
    kdpy->api = api;
    if (!kdpy->api) {
       _eglLog(_EGL_WARNING, "failed to create DRM API");
@@ -845,7 +851,8 @@ 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;
 
@@ -853,7 +860,7 @@ native_create_display(EGLNativeDisplayType dpy)
       drm_api = drm_api_create();
 
    if (drm_api)
-      ndpy = kms_create_display(dpy, drm_api);
+      ndpy = kms_create_display(dpy, event_handler, drm_api);
 
    return ndpy;
 }
diff --git a/src/gallium/state_trackers/egl/kms/native_kms.h b/src/gallium/state_trackers/egl/kms/native_kms.h
index 095186e3cf3..f9cbcb158b5 100644
--- a/src/gallium/state_trackers/egl/kms/native_kms.h
+++ b/src/gallium/state_trackers/egl/kms/native_kms.h
@@ -53,6 +53,8 @@ struct kms_crtc {
 struct kms_display {
    struct native_display base;
 
+   struct native_event_handler *event_handler;
+
    int fd;
    struct drm_api *api;
    drmModeResPtr resources;