mesa: merge gallium-0.2 into gallium-master-merge
[mesa.git] / src / gallium / drivers / failover / fo_context.h
1 /**************************************************************************
2 *
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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 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.
25 *
26 **************************************************************************/
27
28 /* Authors: Keith Whitwell <keith@tungstengraphics.com>
29 */
30
31 #ifndef FO_CONTEXT_H
32 #define FO_CONTEXT_H
33
34 #include "pipe/p_state.h"
35 #include "pipe/p_context.h"
36
37
38
39 #define FO_NEW_VIEWPORT 0x1
40 #define FO_NEW_RASTERIZER 0x2
41 #define FO_NEW_FRAGMENT_SHADER 0x4
42 #define FO_NEW_BLEND 0x8
43 #define FO_NEW_CLIP 0x10
44 #define FO_NEW_SCISSOR 0x20
45 #define FO_NEW_STIPPLE 0x40
46 #define FO_NEW_FRAMEBUFFER 0x80
47 #define FO_NEW_ALPHA_TEST 0x100
48 #define FO_NEW_DEPTH_STENCIL 0x200
49 #define FO_NEW_SAMPLER 0x400
50 #define FO_NEW_TEXTURE 0x800
51 #define FO_NEW_VERTEX 0x2000
52 #define FO_NEW_VERTEX_SHADER 0x4000
53 #define FO_NEW_BLEND_COLOR 0x8000
54 #define FO_NEW_CLEAR_COLOR 0x10000
55 #define FO_NEW_VERTEX_BUFFER 0x20000
56 #define FO_NEW_VERTEX_ELEMENT 0x40000
57
58
59
60 #define FO_HW 0
61 #define FO_SW 1
62
63 struct fo_state {
64 void *sw_state;
65 void *hw_state;
66 };
67 struct failover_context {
68 struct pipe_context pipe; /**< base class */
69
70
71 /* The most recent drawing state as set by the driver:
72 */
73 const struct fo_state *blend;
74 const struct fo_state *sampler[PIPE_MAX_SAMPLERS];
75 const struct fo_state *depth_stencil;
76 const struct fo_state *rasterizer;
77 const struct fo_state *fragment_shader;
78 const struct fo_state *vertex_shader;
79
80 struct pipe_blend_color blend_color;
81 struct pipe_clip_state clip;
82 struct pipe_framebuffer_state framebuffer;
83 struct pipe_poly_stipple poly_stipple;
84 struct pipe_scissor_state scissor;
85 struct pipe_texture *texture[PIPE_MAX_SAMPLERS];
86 struct pipe_viewport_state viewport;
87 struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS];
88 struct pipe_vertex_element vertex_elements[PIPE_MAX_ATTRIBS];
89
90 uint num_vertex_buffers;
91 uint num_vertex_elements;
92
93 void *sw_sampler_state[PIPE_MAX_SAMPLERS];
94 void *hw_sampler_state[PIPE_MAX_SAMPLERS];
95
96 unsigned dirty;
97
98 unsigned num_samplers;
99 unsigned num_textures;
100
101 unsigned mode;
102 struct pipe_context *hw;
103 struct pipe_context *sw;
104 };
105
106
107
108 void failover_init_state_functions( struct failover_context *failover );
109 void failover_state_emit( struct failover_context *failover );
110
111 static INLINE struct failover_context *
112 failover_context( struct pipe_context *pipe )
113 {
114 return (struct failover_context *)pipe;
115 }
116
117 /* Internal functions
118 */
119 void
120 failover_set_constant_buffer(struct pipe_context *pipe,
121 uint shader, uint index,
122 const struct pipe_constant_buffer *buf);
123
124
125 #endif /* FO_CONTEXT_H */