1 /**********************************************************
2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
3  *
4  * Permission is hereby granted, free of charge, to any person
5  * obtaining a copy of this software and associated documentation
6  * files (the "Software"), to deal in the Software without
7  * restriction, including without limitation the rights to use, copy,
8  * modify, merge, publish, distribute, sublicense, and/or sell copies
9  * of the Software, and to permit persons to whom the Software is
10  * furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be
13  * included in all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22  * SOFTWARE.
23  *
24  **********************************************************/
25 
26 #ifndef SVGA_STATE_H
27 #define SVGA_STATE_H
28 
29 
30 #include "pipe/p_compiler.h"
31 #include "pipe/p_defines.h"
32 
33 struct svga_context;
34 
35 
36 void svga_init_state( struct svga_context *svga );
37 void svga_destroy_state( struct svga_context *svga );
38 
39 
40 struct svga_tracked_state {
41    const char *name;
42    unsigned dirty;
43    enum pipe_error (*update)( struct svga_context *svga, unsigned dirty );
44 };
45 
46 /* NEED_SWTNL
47  */
48 extern struct svga_tracked_state svga_update_need_swvfetch;
49 extern struct svga_tracked_state svga_update_need_pipeline;
50 extern struct svga_tracked_state svga_update_need_swtnl;
51 
52 /* HW_CLEAR
53  */
54 extern struct svga_tracked_state svga_hw_viewport;
55 extern struct svga_tracked_state svga_hw_scissor;
56 extern struct svga_tracked_state svga_hw_framebuffer;
57 
58 /* HW_DRAW
59  */
60 extern struct svga_tracked_state svga_hw_vs;
61 extern struct svga_tracked_state svga_hw_fs;
62 extern struct svga_tracked_state svga_hw_rss;
63 extern struct svga_tracked_state svga_hw_tss;
64 extern struct svga_tracked_state svga_hw_tss_binding;
65 extern struct svga_tracked_state svga_hw_clip_planes;
66 extern struct svga_tracked_state svga_hw_vdecl;
67 extern struct svga_tracked_state svga_hw_fs_constants;
68 extern struct svga_tracked_state svga_hw_vs_constants;
69 
70 /* SWTNL_DRAW
71  */
72 extern struct svga_tracked_state svga_update_swtnl_draw;
73 extern struct svga_tracked_state svga_update_swtnl_vdecl;
74 
75 /* Bring the hardware fully up-to-date so that we can emit draw
76  * commands.
77  */
78 #define SVGA_STATE_NEED_SWTNL        0
79 #define SVGA_STATE_HW_CLEAR          1
80 #define SVGA_STATE_HW_DRAW           2
81 #define SVGA_STATE_SWTNL_DRAW        3
82 #define SVGA_STATE_MAX               4
83 
84 
85 enum pipe_error svga_update_state( struct svga_context *svga,
86                                    unsigned level );
87 
88 void svga_update_state_retry( struct svga_context *svga,
89                               unsigned level );
90 
91 
92 enum pipe_error svga_emit_initial_state( struct svga_context *svga );
93 
94 enum pipe_error svga_reemit_framebuffer_bindings( struct svga_context *svga );
95 
96 enum pipe_error svga_reemit_tss_bindings( struct svga_context *svga );
97 
98 #endif
99