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
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   /* Standard C doesn't allow 0-size structs */
68   int dummy;
69};
70
71
72struct sp_fragment_shader_variant
73{
74   const struct tgsi_token *tokens;
75   struct sp_fragment_shader_variant_key key;
76   struct tgsi_shader_info info;
77
78   /* See comments about this elsewhere */
79#if 0
80   struct draw_fragment_shader *draw_shader;
81#endif
82
83   void (*prepare)(const struct sp_fragment_shader_variant *shader,
84		   struct tgsi_exec_machine *machine,
85		   struct tgsi_sampler *sampler,
86		   struct tgsi_image *image,
87		   struct tgsi_buffer *buffer);
88
89   unsigned (*run)(const struct sp_fragment_shader_variant *shader,
90		   struct tgsi_exec_machine *machine,
91		   struct quad_header *quad,
92		   bool early_depth_test);
93
94   /* Deletes this instance of the object */
95   void (*delete)(struct sp_fragment_shader_variant *shader,
96                  struct tgsi_exec_machine *machine);
97
98   struct sp_fragment_shader_variant *next;
99};
100
101
102/** Subclass of pipe_shader_state */
103struct sp_fragment_shader {
104   struct pipe_shader_state shader;
105   struct sp_fragment_shader_variant *variants;
106   struct draw_fragment_shader *draw_shader;
107};
108
109
110/** Subclass of pipe_shader_state */
111struct sp_vertex_shader {
112   struct pipe_shader_state shader;
113   struct draw_vertex_shader *draw_data;
114   int max_sampler;             /* -1 if no samplers */
115};
116
117/** Subclass of pipe_shader_state */
118struct sp_geometry_shader {
119   struct pipe_shader_state shader;
120   struct draw_geometry_shader *draw_data;
121   int max_sampler;
122};
123
124struct sp_velems_state {
125   unsigned count;
126   struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
127};
128
129struct sp_so_state {
130   struct pipe_stream_output_info base;
131};
132
133/** Subclass of pipe_compute_state */
134struct sp_compute_shader {
135   struct pipe_compute_state shader;
136   struct tgsi_token *tokens;
137   struct tgsi_shader_info info;
138   int max_sampler;             /* -1 if no samplers */
139};
140
141void
142softpipe_init_blend_funcs(struct pipe_context *pipe);
143
144void
145softpipe_init_clip_funcs(struct pipe_context *pipe);
146
147void
148softpipe_init_sampler_funcs(struct pipe_context *pipe);
149
150void
151softpipe_init_rasterizer_funcs(struct pipe_context *pipe);
152
153void
154softpipe_init_shader_funcs(struct pipe_context *pipe);
155
156void
157softpipe_init_streamout_funcs(struct pipe_context *pipe);
158
159void
160softpipe_init_vertex_funcs(struct pipe_context *pipe);
161
162void
163softpipe_init_image_funcs(struct pipe_context *pipe);
164
165void
166softpipe_set_framebuffer_state(struct pipe_context *,
167                               const struct pipe_framebuffer_state *);
168
169void
170softpipe_update_derived(struct softpipe_context *softpipe, unsigned prim);
171
172void
173softpipe_set_sampler_views(struct pipe_context *pipe,
174                           enum pipe_shader_type shader,
175                           unsigned start,
176                           unsigned num,
177                           unsigned unbind_num_trailing_slots,
178                           bool take_ownership,
179                           struct pipe_sampler_view **views);
180
181
182void
183softpipe_draw_vbo(struct pipe_context *pipe,
184                  const struct pipe_draw_info *info,
185                  unsigned drawid_offset,
186                  const struct pipe_draw_indirect_info *indirect,
187                  const struct pipe_draw_start_count_bias *draws,
188                  unsigned num_draws);
189
190void
191softpipe_map_texture_surfaces(struct softpipe_context *sp);
192
193void
194softpipe_unmap_texture_surfaces(struct softpipe_context *sp);
195
196
197struct vertex_info *
198softpipe_get_vbuf_vertex_info(struct softpipe_context *softpipe);
199
200
201struct sp_fragment_shader_variant *
202softpipe_find_fs_variant(struct softpipe_context *softpipe,
203                         struct sp_fragment_shader *fs,
204                         const struct sp_fragment_shader_variant_key *key);
205
206void
207softpipe_prepare_vertex_sampling(struct softpipe_context *ctx,
208                                 unsigned num,
209                                 struct pipe_sampler_view **views);
210void
211softpipe_cleanup_vertex_sampling(struct softpipe_context *ctx);
212
213
214void
215softpipe_prepare_geometry_sampling(struct softpipe_context *ctx,
216                                   unsigned num,
217                                   struct pipe_sampler_view **views);
218void
219softpipe_cleanup_geometry_sampling(struct softpipe_context *ctx);
220
221
222void
223softpipe_launch_grid(struct pipe_context *context,
224                     const struct pipe_grid_info *info);
225
226void
227softpipe_update_compute_samplers(struct softpipe_context *softpipe);
228#endif
229