st/nine: Fix D3DFMT_NULL size

D3DFMT_NULL is mapped to PIPE_FORMAT_NONE.
Instead of relying on PIPE_FORMAT_NONE to
return a size, pick one.
The one picked is the same than Wine.

Signed-off-by: Axel Davy <axel.davy@ens.fr>

diff --git a/src/gallium/state_trackers/nine/nine_pipe.h b/src/gallium/state_trackers/nine/nine_pipe.h
index 1b5a83cf30c33264428eccccb450ecde762be663..bbb148db66cef8360e7fc8b75b9915129236573d 100644 (file)
--- a/src/gallium/state_trackers/nine/nine_pipe.h
+++ b/src/gallium/state_trackers/nine/nine_pipe.h
@@ -733,6 +733,8 @@ static inline unsigned nine_format_get_level_alloc_size(enum pipe_format format,
     if (is_ATI1_ATI2(format)) {
         /* For "unknown" formats like ATIx use width * height bytes */
         size = w * h;
+    } else if (format == PIPE_FORMAT_NONE) { /* D3DFMT_NULL */
+        size = w * h * 4;
     } else {
         size = nine_format_get_stride(format, w) *
             util_format_get_nblocksy(format, h);