7fe080990bd05f215589fc5eebad6136f7eecd36
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 **************************************************************************/
29 * \brief quad colormask stage
33 #include "pipe/p_defines.h"
34 #include "pipe/p_util.h"
35 #include "sp_context.h"
36 #include "sp_headers.h"
37 #include "sp_surface.h"
39 #include "sp_tile_cache.h"
44 * XXX colormask could be rolled into blending...
47 colormask_quad(struct quad_stage
*qs
, struct quad_header
*quad
)
49 struct softpipe_context
*softpipe
= qs
->softpipe
;
52 /* loop over colorbuffer outputs */
53 for (cbuf
= 0; cbuf
< softpipe
->framebuffer
.num_cbufs
; cbuf
++) {
54 float dest
[4][QUAD_SIZE
];
55 struct softpipe_cached_tile
*tile
56 = sp_get_cached_tile(softpipe
,
57 softpipe
->cbuf_cache
[cbuf
],
59 float (*quadColor
)[4] = quad
->outputs
.color
[cbuf
];
62 /* get/swizzle dest colors */
63 for (j
= 0; j
< QUAD_SIZE
; j
++) {
64 int x
= (quad
->x0
& (TILE_SIZE
-1)) + (j
& 1);
65 int y
= (quad
->y0
& (TILE_SIZE
-1)) + (j
>> 1);
66 for (i
= 0; i
< 4; i
++) {
67 dest
[i
][j
] = tile
->data
.color
[y
][x
][i
];
72 if (!(softpipe
->blend
->colormask
& PIPE_MASK_R
))
73 COPY_4V(quadColor
[0], dest
[0]);
76 if (!(softpipe
->blend
->colormask
& PIPE_MASK_G
))
77 COPY_4V(quadColor
[1], dest
[1]);
80 if (!(softpipe
->blend
->colormask
& PIPE_MASK_B
))
81 COPY_4V(quadColor
[2], dest
[2]);
84 if (!(softpipe
->blend
->colormask
& PIPE_MASK_A
))
85 COPY_4V(quadColor
[3], dest
[3]);
88 /* pass quad to next stage */
89 qs
->next
->run(qs
->next
, quad
);
93 static void colormask_begin(struct quad_stage
*qs
)
95 qs
->next
->begin(qs
->next
);
99 static void colormask_destroy(struct quad_stage
*qs
)
105 struct quad_stage
*sp_quad_colormask_stage( struct softpipe_context
*softpipe
)
107 struct quad_stage
*stage
= CALLOC_STRUCT(quad_stage
);
109 stage
->softpipe
= softpipe
;
110 stage
->begin
= colormask_begin
;
111 stage
->run
= colormask_quad
;
112 stage
->destroy
= colormask_destroy
;