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 **************************************************************************/
28 #include "pipe/p_defines.h"
29 #include "pipe/p_util.h"
30 #include "pipe/p_inlines.h"
31 #include "pipe/p_winsys.h"
32 #include "util/p_tile.h"
33 #include "sp_context.h"
34 #include "sp_surface.h"
38 /* Assumes all values are within bounds -- no checking at this level -
39 * do it higher up if required.
42 sp_surface_copy(struct pipe_context
*pipe
,
44 struct pipe_surface
*dst
,
45 unsigned dstx
, unsigned dsty
,
46 struct pipe_surface
*src
,
47 unsigned srcx
, unsigned srcy
, unsigned width
, unsigned height
)
49 assert( dst
->cpp
== src
->cpp
);
51 pipe_copy_rect(pipe_surface_map(dst
),
56 pipe_surface_map(src
),
57 do_flip
? -(int) src
->pitch
: src
->pitch
,
58 srcx
, do_flip
? 1 - srcy
- height
: srcy
);
60 pipe_surface_unmap(src
);
61 pipe_surface_unmap(dst
);
66 get_pointer(struct pipe_surface
*dst
, void *dst_map
, unsigned x
, unsigned y
)
68 return (char *)dst_map
+ (y
* dst
->pitch
+ x
) * dst
->cpp
;
72 #define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))
76 * Fill a rectangular sub-region. Need better logic about when to
77 * push buffers into AGP - will currently do so whenever possible.
80 sp_surface_fill(struct pipe_context
*pipe
,
81 struct pipe_surface
*dst
,
82 unsigned dstx
, unsigned dsty
,
83 unsigned width
, unsigned height
, unsigned value
)
86 void *dst_map
= pipe_surface_map(dst
);
88 assert(dst
->pitch
> 0);
89 assert(width
<= dst
->pitch
);
95 ubyte
*row
= get_pointer(dst
, dst_map
, dstx
, dsty
);
96 for (i
= 0; i
< height
; i
++) {
97 memset(row
, value
, width
);
104 ushort
*row
= get_pointer(dst
, dst_map
, dstx
, dsty
);
105 for (i
= 0; i
< height
; i
++) {
106 for (j
= 0; j
< width
; j
++)
107 row
[j
] = (ushort
) value
;
114 unsigned *row
= get_pointer(dst
, dst_map
, dstx
, dsty
);
115 for (i
= 0; i
< height
; i
++) {
116 for (j
= 0; j
< width
; j
++)
124 /* expand the 4-byte clear value to an 8-byte value */
125 ushort
*row
= (ushort
*) get_pointer(dst
, dst_map
, dstx
, dsty
);
126 ushort val0
= UBYTE_TO_USHORT((value
>> 0) & 0xff);
127 ushort val1
= UBYTE_TO_USHORT((value
>> 8) & 0xff);
128 ushort val2
= UBYTE_TO_USHORT((value
>> 16) & 0xff);
129 ushort val3
= UBYTE_TO_USHORT((value
>> 24) & 0xff);
130 val0
= (val0
<< 8) | val0
;
131 val1
= (val1
<< 8) | val1
;
132 val2
= (val2
<< 8) | val2
;
133 val3
= (val3
<< 8) | val3
;
134 for (i
= 0; i
< height
; i
++) {
135 for (j
= 0; j
< width
; j
++) {
141 row
+= dst
->pitch
* 4;
150 pipe_surface_unmap( dst
);
155 sp_init_surface_functions(struct softpipe_context
*sp
)
157 sp
->pipe
.surface_copy
= sp_surface_copy
;
158 sp
->pipe
.surface_fill
= sp_surface_fill
;