1 /**************************************************************************
3 * Copyright 2007 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
31 #include "pipe/p_compiler.h"
32 #include "pipe/p_format.h"
33 #include "pipe/p_state.h"
39 * Clip tile against transfer dims.
41 * XXX: this only clips width and height!
43 * \return TRUE if tile is totally clipped, FALSE otherwise
46 u_clip_tile(uint x
, uint y
, uint
*w
, uint
*h
, const struct pipe_box
*box
)
48 if ((int) x
>= box
->width
)
50 if ((int) y
>= box
->height
)
52 if ((int) (x
+ *w
) > box
->width
)
54 if ((int) (y
+ *h
) > box
->height
)
64 pipe_get_tile_raw(struct pipe_transfer
*pt
,
66 uint x
, uint y
, uint w
, uint h
,
67 void *p
, int dst_stride
);
70 pipe_put_tile_raw(struct pipe_transfer
*pt
,
72 uint x
, uint y
, uint w
, uint h
,
73 const void *p
, int src_stride
);
77 pipe_get_tile_rgba(struct pipe_transfer
*pt
,
79 uint x
, uint y
, uint w
, uint h
,
80 enum pipe_format format
,
84 pipe_put_tile_rgba(struct pipe_transfer
*pt
,
86 uint x
, uint y
, uint w
, uint h
,
87 enum pipe_format format
,