util: missing file

1 files changed, 73 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/util/u_box.h b/src/gallium/auxiliary/util/u_box.h
new file mode 100644
index 0000000000..fe694a9899
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_box.h
@@ -0,0 +1,73 @@
+#ifndef UTIL_BOX_INLINES_H
+#define UTIL_BOX_INLINES_H
+
+#include "pipe/p_state.h"
+
+static INLINE
+void u_box_1d( unsigned x,
+	       unsigned w,
+	       struct pipe_box *box )
+{
+   box->x = x;
+   box->y = 0;
+   box->z = 0;
+   box->width = w;
+   box->height = 1;
+   box->depth = 1;
+}
+
+static INLINE
+void u_box_2d( unsigned x,
+	       unsigned y,
+	       unsigned w,
+	       unsigned h,
+	       struct pipe_box *box )
+{
+   box->x = x;
+   box->y = y;
+   box->z = 0;
+   box->width = w;
+   box->height = h;
+   box->depth = 1;
+}
+
+static INLINE
+void u_box_orgin_2d( unsigned w,
+		     unsigned h,
+		     struct pipe_box *box )
+{
+   box->x = 0;
+   box->y = 0;
+   box->z = 0;
+   box->width = w;
+   box->height = h;
+   box->depth = 1;
+}
+
+static INLINE
+void u_box_2d_zslice( unsigned x,
+		      unsigned y,
+		      unsigned z,
+		      unsigned w,
+		      unsigned h,
+		      struct pipe_box *box )
+{
+   box->x = x;
+   box->y = y;
+   box->z = z;
+   box->width = w;
+   box->height = h;
+   box->depth = 1;
+}
+
+static INLINE
+struct pipe_subresource u_subresource( unsigned face,
+				       unsigned level )
+{
+   struct pipe_subresource subresource;
+   subresource.face = face;
+   subresource.level = level;
+   return subresource;
+}
+
+#endif