st/dri/sw: Implement texture_from_pixmap

This is a cleanup of commit 02f1b50987c0d24da3dcc36dbb44821c20d0660c.

Update tex buffer using a dri_drawable hook from implemented in sw/drisw.c.
This saves us the duplication of dri_drawable.c.

CC: Stuart Abercrombie <[email protected]>
CC: Stéphane Marchesin <[email protected]>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/dri/drm/dri2.c b/src/gallium/state_trackers/dri/drm/dri2.c
index f3c9e1053cb..2e0bb7eecf1 100644
--- a/src/gallium/state_trackers/dri/drm/dri2.c
+++ b/src/gallium/state_trackers/dri/drm/dri2.c
@@ -380,6 +380,14 @@ dri2_flush_frontbuffer(struct dri_drawable *drawable,
    }
 }
 
+static void
+dri2_update_tex_buffer(struct dri_drawable *drawable,
+                       struct dri_context *ctx,
+                       struct pipe_resource *res)
+{
+   /* no-op */
+}
+
 static __DRIimage *
 dri2_lookup_egl_image(struct dri_screen *screen, void *handle)
 {
@@ -707,6 +715,7 @@ dri2_create_buffer(__DRIscreen * sPriv,
 
    drawable->allocate_textures = dri2_allocate_textures;
    drawable->flush_frontbuffer = dri2_flush_frontbuffer;
+   drawable->update_tex_buffer = dri2_update_tex_buffer;
 
    return TRUE;
 }