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"
32 #include "tgsi/tgsi_exec.h" // for NUM_CHANNELS
44 * Cache tile size (width and height). This needs to be a power of two.
49 #define TILE_VECTOR_HEIGHT 2
50 #define TILE_VECTOR_WIDTH 8
52 extern const unsigned char
53 tile_offset
[TILE_VECTOR_HEIGHT
][TILE_VECTOR_WIDTH
];
55 #define TILE_C_STRIDE (TILE_VECTOR_HEIGHT*TILE_VECTOR_WIDTH)
56 #define TILE_X_STRIDE (NUM_CHANNELS*TILE_C_STRIDE)
57 #define TILE_Y_STRIDE (TILE_VECTOR_HEIGHT*TILE_SIZE*NUM_CHANNELS)
59 #define TILE_PIXEL(_p, _x, _y, _c) \
60 ((_p)[((_y)/TILE_VECTOR_HEIGHT)*TILE_Y_STRIDE + \
61 ((_x)/TILE_VECTOR_WIDTH)*TILE_X_STRIDE + \
62 (_c)*TILE_C_STRIDE + \
63 tile_offset[(_y) % TILE_VECTOR_HEIGHT][(_x) % TILE_VECTOR_WIDTH]])
67 lp_tile_read_4ub(enum pipe_format format
,
69 const void *src
, unsigned src_stride
,
70 unsigned x
, unsigned y
, unsigned w
, unsigned h
);
74 lp_tile_write_4ub(enum pipe_format format
,
76 void *dst
, unsigned dst_stride
,
77 unsigned x
, unsigned y
, unsigned w
, unsigned h
);