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 SP_STATE_H
32#define SP_STATE_H
33
34#include "pipe/p_state.h"
35#include "tgsi/tgsi_scan.h"
36
37
38#define SP_NEW_VIEWPORT      0x1
39#define SP_NEW_RASTERIZER    0x2
40#define SP_NEW_FS            0x4
41#define SP_NEW_BLEND         0x8
42#define SP_NEW_CLIP          0x10
43#define SP_NEW_SCISSOR       0x20
44#define SP_NEW_STIPPLE       0x40
45#define SP_NEW_FRAMEBUFFER   0x80
46#define SP_NEW_DEPTH_STENCIL_ALPHA 0x100
47#define SP_NEW_CONSTANTS     0x200
48#define SP_NEW_SAMPLER       0x400
49#define SP_NEW_TEXTURE       0x800
50#define SP_NEW_VERTEX        0x1000
51#define SP_NEW_VS            0x2000
52#define SP_NEW_QUERY         0x4000
53#define SP_NEW_GS            0x8000
54#define SP_NEW_SO            0x10000
55#define SP_NEW_SO_BUFFERS    0x20000
56
57
58struct tgsi_sampler;
59struct tgsi_exec_machine;
60struct vertex_info;
61
62
63struct sp_fragment_shader_variant_key
64{
65   boolean polygon_stipple;
66};
67
68
69struct sp_fragment_shader_variant
70{
71   const struct tgsi_token *tokens;
72   struct sp_fragment_shader_variant_key key;
73   struct tgsi_shader_info info;
74
75   unsigned stipple_sampler_unit;
76
77   /* See comments about this elsewhere */
78#if 0
79   struct draw_fragment_shader *draw_shader;
80#endif
81
82   void (*prepare)(const struct sp_fragment_shader_variant *shader,
83		   struct tgsi_exec_machine *machine,
84		   struct tgsi_sampler **samplers);
85
86   unsigned (*run)(const struct sp_fragment_shader_variant *shader,
87		   struct tgsi_exec_machine *machine,
88		   struct quad_header *quad);
89
90   /* Deletes this instance of the object */
91   void (*delete)(struct sp_fragment_shader_variant *shader,
92                  struct tgsi_exec_machine *machine);
93
94   struct sp_fragment_shader_variant *next;
95};
96
97
98/** Subclass of pipe_shader_state */
99struct sp_fragment_shader {
100   struct pipe_shader_state shader;
101   struct sp_fragment_shader_variant *variants;
102   struct draw_fragment_shader *draw_shader;
103};
104
105
106/** Subclass of pipe_shader_state */
107struct sp_vertex_shader {
108   struct pipe_shader_state shader;
109   struct draw_vertex_shader *draw_data;
110   int max_sampler;             /* -1 if no samplers */
111};
112
113/** Subclass of pipe_shader_state */
114struct sp_geometry_shader {
115   struct pipe_shader_state shader;
116   struct draw_geometry_shader *draw_data;
117   int max_sampler;
118};
119
120struct sp_velems_state {
121   unsigned count;
122   struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
123};
124
125struct sp_so_state {
126   struct pipe_stream_output_info base;
127};
128
129
130void
131softpipe_init_blend_funcs(struct pipe_context *pipe);
132
133void
134softpipe_init_clip_funcs(struct pipe_context *pipe);
135
136void
137softpipe_init_sampler_funcs(struct pipe_context *pipe);
138
139void
140softpipe_init_rasterizer_funcs(struct pipe_context *pipe);
141
142void
143softpipe_init_shader_funcs(struct pipe_context *pipe);
144
145void
146softpipe_init_streamout_funcs(struct pipe_context *pipe);
147
148void
149softpipe_init_vertex_funcs(struct pipe_context *pipe);
150
151void
152softpipe_set_framebuffer_state(struct pipe_context *,
153                               const struct pipe_framebuffer_state *);
154
155void
156softpipe_update_derived(struct softpipe_context *softpipe, unsigned prim);
157
158void
159softpipe_draw_vbo(struct pipe_context *pipe,
160                  const struct pipe_draw_info *info);
161
162void
163softpipe_map_transfers(struct softpipe_context *sp);
164
165void
166softpipe_unmap_transfers(struct softpipe_context *sp);
167
168void
169softpipe_map_texture_surfaces(struct softpipe_context *sp);
170
171void
172softpipe_unmap_texture_surfaces(struct softpipe_context *sp);
173
174
175struct vertex_info *
176softpipe_get_vertex_info(struct softpipe_context *softpipe);
177
178struct vertex_info *
179softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe);
180
181
182struct sp_fragment_shader_variant *
183softpipe_find_fs_variant(struct softpipe_context *softpipe,
184                         struct sp_fragment_shader *fs,
185                         const struct sp_fragment_shader_variant_key *key);
186
187
188struct sp_fragment_shader_variant *
189softpipe_find_fs_variant(struct softpipe_context *softpipe,
190                         struct sp_fragment_shader *fs,
191                         const struct sp_fragment_shader_variant_key *key);
192
193
194#endif
195