mesa/st: add ARB_texture_view support

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>

1 files changed, 13 insertions, 2 deletions

diff --git a/src/mesa/state_tracker/st_texture.c b/src/mesa/state_tracker/st_texture.c
index af9b7675f10..c84aa4566b2 100644
--- a/src/mesa/state_tracker/st_texture.c
+++ b/src/mesa/state_tracker/st_texture.c
@@ -260,6 +260,12 @@ st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
    else
       level = stImage->base.Level;
 
+   if (stObj->base.Immutable) {
+      level += stObj->base.MinLevel;
+      z += stObj->base.MinLayer;
+      d = MIN2(d, stObj->base.NumLayers);
+   }
+
    z += stImage->base.Face;
 
    map = pipe_transfer_map_3d(st->pipe, stImage->pt, level, usage,
@@ -289,8 +295,13 @@ st_texture_image_unmap(struct st_context *st,
                        struct st_texture_image *stImage, unsigned slice)
 {
    struct pipe_context *pipe = st->pipe;
-   struct pipe_transfer **transfer =
-      &stImage->transfer[slice + stImage->base.Face].transfer;
+   struct st_texture_object *stObj =
+      st_texture_object(stImage->base.TexObject);
+   struct pipe_transfer **transfer;
+
+   if (stObj->base.Immutable)
+      slice += stObj->base.MinLayer;
+   transfer = &stImage->transfer[slice + stImage->base.Face].transfer;
 
    DBG("%s\n", __FUNCTION__);