st/egl: Add native_surface::present callback.

[mesa.git] / src / gallium / state_trackers / egl / x11 / native_ximage.c

diff --git a/src/gallium/state_trackers/egl/x11/native_ximage.c b/src/gallium/state_trackers/egl/x11/native_ximage.c
index 4b32f6e36e0490a4d7f4d00186b3b9576c8d3b0b..8e1ea4f45cd44ea5f8798117a313a472dc436414 100644 (file)
--- a/src/gallium/state_trackers/egl/x11/native_ximage.c
+++ b/src/gallium/state_trackers/egl/x11/native_ximage.c
@@ -174,6 +174,32 @@ ximage_surface_swap_buffers(struct native_surface *nsurf)
    return ret;
 }
 
+static boolean
+ximage_surface_present(struct native_surface *nsurf,
+                       enum native_attachment natt,
+                       boolean preserve,
+                       uint swap_interval)
+{
+   boolean ret;
+
+   if (preserve || swap_interval)
+      return FALSE;
+
+   switch (natt) {
+   case NATIVE_ATTACHMENT_FRONT_LEFT:
+      ret = ximage_surface_flush_frontbuffer(nsurf);
+      break;
+   case NATIVE_ATTACHMENT_BACK_LEFT:
+      ret = ximage_surface_swap_buffers(nsurf);
+      break;
+   default:
+      ret = FALSE;
+      break;
+   }
+
+   return ret;
+}
+
 static boolean
 ximage_surface_validate(struct native_surface *nsurf, uint attachment_mask,
                         unsigned int *seq_num, struct pipe_resource **textures,
@@ -259,6 +285,7 @@ ximage_display_create_surface(struct native_display *ndpy,
    xsurf->base.destroy = ximage_surface_destroy;
    xsurf->base.swap_buffers = ximage_surface_swap_buffers;
    xsurf->base.flush_frontbuffer = ximage_surface_flush_frontbuffer;
+   xsurf->base.present = ximage_surface_present;
    xsurf->base.validate = ximage_surface_validate;
    xsurf->base.wait = ximage_surface_wait;
 
@@ -416,6 +443,8 @@ ximage_display_get_param(struct native_display *ndpy,
       /* private buffers are allocated */
       val = FALSE;
       break;
+   case NATIVE_PARAM_PRESERVE_BUFFER:
+   case NATIVE_PARAM_MAX_SWAP_INTERVAL:
    default:
       val = 0;
       break;