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_inlines.h"
30 #include "pipe/p_winsys.h"
31 #include "util/u_memory.h"
32 #include "util/u_rect.h"
33 #include "util/u_tile.h"
35 #include "cell_context.h"
36 #include "cell_surface.h"
40 cell_surface_copy(struct pipe_context
*pipe
,
42 struct pipe_surface
*dst
,
43 unsigned dstx
, unsigned dsty
,
44 struct pipe_surface
*src
,
45 unsigned srcx
, unsigned srcy
,
46 unsigned width
, unsigned height
)
48 assert( dst
->cpp
== src
->cpp
);
50 pipe_copy_rect(pipe_surface_map(dst
, PIPE_BUFFER_USAGE_CPU_WRITE
),
55 pipe_surface_map(src
, PIPE_BUFFER_USAGE_CPU_READ
),
56 do_flip
? -src
->stride
: src
->stride
,
57 srcx
, do_flip
? height
- 1 - srcy
: srcy
);
59 pipe_surface_unmap(src
);
60 pipe_surface_unmap(dst
);
65 get_pointer(struct pipe_surface
*dst
, void *dst_map
, unsigned x
, unsigned y
)
67 return (char *)dst_map
+ y
/ dst
->block
.height
* dst
->stride
+ x
/ dst
->block
.width
* dst
->block
.size
;
71 #define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))
75 * Fill a rectangular sub-region. Need better logic about when to
76 * push buffers into AGP - will currently do so whenever possible.
79 cell_surface_fill(struct pipe_context
*pipe
,
80 struct pipe_surface
*dst
,
81 unsigned dstx
, unsigned dsty
,
82 unsigned width
, unsigned height
, unsigned value
)
85 void *dst_map
= pipe_surface_map(dst
, PIPE_BUFFER_USAGE_CPU_WRITE
);
87 assert(dst
->stride
> 0);
89 switch (dst
->block
.size
) {
93 pipe_fill_rect(dst_map
, &dst
->block
, dst
->stride
, dstx
, dsty
, width
, height
, value
);
97 /* expand the 4-byte clear value to an 8-byte value */
98 ushort
*row
= (ushort
*) get_pointer(dst
, dst_map
, dstx
, dsty
);
99 ushort val0
= UBYTE_TO_USHORT((value
>> 0) & 0xff);
100 ushort val1
= UBYTE_TO_USHORT((value
>> 8) & 0xff);
101 ushort val2
= UBYTE_TO_USHORT((value
>> 16) & 0xff);
102 ushort val3
= UBYTE_TO_USHORT((value
>> 24) & 0xff);
103 val0
= (val0
<< 8) | val0
;
104 val1
= (val1
<< 8) | val1
;
105 val2
= (val2
<< 8) | val2
;
106 val3
= (val3
<< 8) | val3
;
107 for (i
= 0; i
< height
; i
++) {
108 for (j
= 0; j
< width
; j
++) {
114 row
+= dst
->stride
/2;
123 pipe_surface_unmap( dst
);
128 cell_init_surface_functions(struct cell_context
*cell
)
130 cell
->pipe
.surface_copy
= cell_surface_copy
;
131 cell
->pipe
.surface_fill
= cell_surface_fill
;