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-rw-r--r--src/gallium/auxiliary/util/u_box.h73
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 00000000000..919967b55a7
--- /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_origin_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