1/**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc.
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 VMWARE 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 <keithw@vmware.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_image;
60struct tgsi_buffer;
61struct tgsi_exec_machine;
62struct vertex_info;
63
64
65struct sp_fragment_shader_variant_key
66{
67   boolean polygon_stipple;
68};
69
70
71struct sp_fragment_shader_variant
72{
73   const struct tgsi_token *tokens;
74   struct sp_fragment_shader_variant_key key;
75   struct tgsi_shader_info info;
76
77   unsigned stipple_sampler_unit;
78
79   /* See comments about this elsewhere */
80#if 0
81   struct draw_fragment_shader *draw_shader;
82#endif
83
84   void (*prepare)(const struct sp_fragment_shader_variant *shader,
85		   struct tgsi_exec_machine *machine,
86		   struct tgsi_sampler *sampler,
87		   struct tgsi_image *image,
88		   struct tgsi_buffer *buffer);
89
90   unsigned (*run)(const struct sp_fragment_shader_variant *shader,
91		   struct tgsi_exec_machine *machine,
92		   struct quad_header *quad,
93		   bool early_depth_test);
94
95   /* Deletes this instance of the object */
96   void (*delete)(struct sp_fragment_shader_variant *shader,
97                  struct tgsi_exec_machine *machine);
98
99   struct sp_fragment_shader_variant *next;
100};
101
102
103/** Subclass of pipe_shader_state */
104struct sp_fragment_shader {
105   struct pipe_shader_state shader;
106   struct sp_fragment_shader_variant *variants;
107   struct draw_fragment_shader *draw_shader;
108};
109
110
111/** Subclass of pipe_shader_state */
112struct sp_vertex_shader {
113   struct pipe_shader_state shader;
114   struct draw_vertex_shader *draw_data;
115   int max_sampler;             /* -1 if no samplers */
116};
117
118/** Subclass of pipe_shader_state */
119struct sp_geometry_shader {
120   struct pipe_shader_state shader;
121   struct draw_geometry_shader *draw_data;
122   int max_sampler;
123};
124
125struct sp_velems_state {
126   unsigned count;
127   struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
128};
129
130struct sp_so_state {
131   struct pipe_stream_output_info base;
132};
133
134/** Subclass of pipe_compute_state */
135struct sp_compute_shader {
136   struct pipe_compute_state shader;
137   struct tgsi_token *tokens;
138   struct tgsi_shader_info info;
139   int max_sampler;             /* -1 if no samplers */
140};
141
142void
143softpipe_init_blend_funcs(struct pipe_context *pipe);
144
145void
146softpipe_init_clip_funcs(struct pipe_context *pipe);
147
148void
149softpipe_init_sampler_funcs(struct pipe_context *pipe);
150
151void
152softpipe_init_rasterizer_funcs(struct pipe_context *pipe);
153
154void
155softpipe_init_shader_funcs(struct pipe_context *pipe);
156
157void
158softpipe_init_streamout_funcs(struct pipe_context *pipe);
159
160void
161softpipe_init_vertex_funcs(struct pipe_context *pipe);
162
163void
164softpipe_init_image_funcs(struct pipe_context *pipe);
165
166void
167softpipe_set_framebuffer_state(struct pipe_context *,
168                               const struct pipe_framebuffer_state *);
169
170void
171softpipe_update_derived(struct softpipe_context *softpipe, unsigned prim);
172
173void
174softpipe_set_sampler_views(struct pipe_context *pipe,
175                           enum pipe_shader_type shader,
176                           unsigned start,
177                           unsigned num,
178                           struct pipe_sampler_view **views);
179
180
181void
182softpipe_draw_vbo(struct pipe_context *pipe,
183                  const struct pipe_draw_info *info);
184
185void
186softpipe_map_texture_surfaces(struct softpipe_context *sp);
187
188void
189softpipe_unmap_texture_surfaces(struct softpipe_context *sp);
190
191
192struct vertex_info *
193softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe);
194
195
196struct sp_fragment_shader_variant *
197softpipe_find_fs_variant(struct softpipe_context *softpipe,
198                         struct sp_fragment_shader *fs,
199                         const struct sp_fragment_shader_variant_key *key);
200
201
202struct sp_fragment_shader_variant *
203softpipe_find_fs_variant(struct softpipe_context *softpipe,
204                         struct sp_fragment_shader *fs,
205                         const struct sp_fragment_shader_variant_key *key);
206
207void
208softpipe_prepare_vertex_sampling(struct softpipe_context *ctx,
209                                 unsigned num,
210                                 struct pipe_sampler_view **views);
211void
212softpipe_cleanup_vertex_sampling(struct softpipe_context *ctx);
213
214
215void
216softpipe_prepare_geometry_sampling(struct softpipe_context *ctx,
217                                   unsigned num,
218                                   struct pipe_sampler_view **views);
219void
220softpipe_cleanup_geometry_sampling(struct softpipe_context *ctx);
221
222
223void
224softpipe_launch_grid(struct pipe_context *context,
225                     const struct pipe_grid_info *info);
226
227void
228softpipe_update_compute_samplers(struct softpipe_context *softpipe);
229#endif
230