1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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 TUNGSTEN GRAPHICS 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"
36 * Clip tile against transfer dims.
38 * XXX: this only clips width and height!
40 * \return TRUE if tile is totally clipped, FALSE otherwise
43 u_clip_tile(uint x, uint y, uint *w, uint *h, const struct pipe_box *box)
49 if (x + *w > box->width)
51 if (y + *h > box->height)
61 pipe_get_tile_raw(struct pipe_context *pipe,
62 struct pipe_transfer *pt,
63 uint x, uint y, uint w, uint h,
64 void *p, int dst_stride);
67 pipe_put_tile_raw(struct pipe_context *pipe,
68 struct pipe_transfer *pt,
69 uint x, uint y, uint w, uint h,
70 const void *p, int src_stride);
74 pipe_get_tile_rgba(struct pipe_context *pipe,
75 struct pipe_transfer *pt,
76 uint x, uint y, uint w, uint h,
80 pipe_get_tile_swizzle(struct pipe_context *pipe,
81 struct pipe_transfer *pt,
90 enum pipe_format format,
94 pipe_put_tile_rgba(struct pipe_context *pipe,
95 struct pipe_transfer *pt,
96 uint x, uint y, uint w, uint h,
101 pipe_get_tile_z(struct pipe_context *pipe,
102 struct pipe_transfer *pt,
103 uint x, uint y, uint w, uint h,
107 pipe_put_tile_z(struct pipe_context *pipe,
108 struct pipe_transfer *pt,
109 uint x, uint y, uint w, uint h,
113 pipe_tile_raw_to_rgba(enum pipe_format format,
116 float *dst, unsigned dst_stride);