1 /**************************************************************************
2  *
3  * Copyright 2011 Lauri Kasanen
4  * All Rights Reserved.
5  *
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:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial portions
16  * of the Software.
17  *
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 THE AUTHORS 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.
25  *
26  **************************************************************************/
27 
28 #ifndef POSTPROCESS_H
29 #define POSTPROCESS_H
30 
31 #include "postprocess/pp_program.h"
32 
33 #define PP_FILTERS 6            /* Increment this if you add filters */
34 #define PP_MAX_PASSES 6
35 
36 struct pp_queue_t;              /* Forward definition */
37 
38 /* Less typing later on */
39 typedef void (*pp_func) (struct pp_queue_t *, struct pipe_resource *,
40                          struct pipe_resource *, unsigned int);
41 /**
42 *	The main post-processing queue.
43 */
44 struct pp_queue_t
45 {
46    pp_func *pp_queue;           /* An array of pp_funcs */
47    unsigned int n_filters;      /* Number of enabled filters */
48 
49    struct pipe_resource *tmp[2];        /* Two temp FBOs for the queue */
50    struct pipe_resource *inner_tmp[3];  /* Three for filter use */
51 
52    unsigned int n_tmp, n_inner_tmp;
53 
54    struct pipe_resource *depth; /* depth of original input */
55    struct pipe_resource *stencil;       /* stencil shared by inner_tmps */
56 
57    struct pipe_surface *tmps[2], *inner_tmps[3], *stencils;
58 
59    void ***shaders;             /* Shaders in TGSI form */
60    unsigned int *verts;
61    struct program *p;
62 
63    bool fbos_init;
64 };
65 
66 /* Main functions */
67 
68 struct pp_queue_t *pp_init(struct pipe_screen *, const unsigned int *);
69 void pp_run(struct pp_queue_t *, struct pipe_resource *,
70             struct pipe_resource *, struct pipe_resource *);
71 void pp_free(struct pp_queue_t *);
72 void pp_free_fbos(struct pp_queue_t *);
73 void pp_debug(const char *, ...);
74 struct program *pp_init_prog(struct pp_queue_t *, struct pipe_screen *);
75 void pp_init_fbos(struct pp_queue_t *, unsigned int, unsigned int);
76 
77 /* The filters */
78 
79 void pp_nocolor(struct pp_queue_t *, struct pipe_resource *,
80                 struct pipe_resource *, unsigned int);
81 
82 void pp_jimenezmlaa(struct pp_queue_t *, struct pipe_resource *,
83                     struct pipe_resource *, unsigned int);
84 void pp_jimenezmlaa_color(struct pp_queue_t *, struct pipe_resource *,
85                           struct pipe_resource *, unsigned int);
86 
87 /* The filter init functions */
88 
89 void pp_celshade_init(struct pp_queue_t *, unsigned int, unsigned int);
90 
91 void pp_nored_init(struct pp_queue_t *, unsigned int, unsigned int);
92 void pp_nogreen_init(struct pp_queue_t *, unsigned int, unsigned int);
93 void pp_noblue_init(struct pp_queue_t *, unsigned int, unsigned int);
94 
95 void pp_jimenezmlaa_init(struct pp_queue_t *, unsigned int, unsigned int);
96 void pp_jimenezmlaa_init_color(struct pp_queue_t *, unsigned int,
97                                unsigned int);
98 
99 #endif
100