1 /**************************************************************************
2  *
3  * Copyright 2007-2008 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 
29 #ifndef CSO_CONTEXT_H
30 #define CSO_CONTEXT_H
31 
32 #include "pipe/p_context.h"
33 #include "pipe/p_state.h"
34 #include "pipe/p_defines.h"
35 
36 
37 #ifdef	__cplusplus
38 extern "C" {
39 #endif
40 
41 struct cso_context;
42 struct u_vbuf;
43 
44 struct cso_context *cso_create_context( struct pipe_context *pipe );
45 
46 void cso_release_all( struct cso_context *ctx );
47 
48 void cso_destroy_context( struct cso_context *cso );
49 
50 
51 
52 enum pipe_error cso_set_blend( struct cso_context *cso,
53                                const struct pipe_blend_state *blend );
54 void cso_save_blend(struct cso_context *cso);
55 void cso_restore_blend(struct cso_context *cso);
56 
57 
58 
59 enum pipe_error cso_set_depth_stencil_alpha( struct cso_context *cso,
60                                              const struct pipe_depth_stencil_alpha_state *dsa );
61 void cso_save_depth_stencil_alpha(struct cso_context *cso);
62 void cso_restore_depth_stencil_alpha(struct cso_context *cso);
63 
64 
65 
66 enum pipe_error cso_set_rasterizer( struct cso_context *cso,
67                                     const struct pipe_rasterizer_state *rasterizer );
68 void cso_save_rasterizer(struct cso_context *cso);
69 void cso_restore_rasterizer(struct cso_context *cso);
70 
71 
72 enum pipe_error
73 cso_set_samplers(struct cso_context *cso,
74                  unsigned shader_stage,
75                  unsigned count,
76                  const struct pipe_sampler_state **states);
77 
78 void
79 cso_save_samplers(struct cso_context *cso, unsigned shader_stage);
80 
81 void
82 cso_restore_samplers(struct cso_context *cso, unsigned shader_stage);
83 
84 /* Alternate interface to support state trackers that like to modify
85  * samplers one at a time:
86  */
87 enum pipe_error
88 cso_single_sampler(struct cso_context *cso,
89                    unsigned shader_stage,
90                    unsigned count,
91                    const struct pipe_sampler_state *states);
92 
93 void
94 cso_single_sampler_done(struct cso_context *cso, unsigned shader_stage);
95 
96 
97 enum pipe_error cso_set_vertex_elements(struct cso_context *ctx,
98                                         unsigned count,
99                                         const struct pipe_vertex_element *states);
100 void cso_save_vertex_elements(struct cso_context *ctx);
101 void cso_restore_vertex_elements(struct cso_context *ctx);
102 
103 
104 void cso_set_vertex_buffers(struct cso_context *ctx,
105                             unsigned count,
106                             const struct pipe_vertex_buffer *buffers);
107 void cso_save_vertex_buffers(struct cso_context *ctx);
108 void cso_restore_vertex_buffers(struct cso_context *ctx);
109 
110 
111 void cso_set_stream_outputs(struct cso_context *ctx,
112                             unsigned num_targets,
113                             struct pipe_stream_output_target **targets,
114                             unsigned append_bitmask);
115 void cso_save_stream_outputs(struct cso_context *ctx);
116 void cso_restore_stream_outputs(struct cso_context *ctx);
117 
118 
119 /*
120  * We don't provide shader caching in CSO.  Most of the time the api provides
121  * object semantics for shaders anyway, and the cases where it doesn't
122  * (eg mesa's internally-generated texenv programs), it will be up to
123  * the state tracker to implement their own specialized caching.
124  */
125 
126 enum pipe_error cso_set_fragment_shader_handle(struct cso_context *ctx,
127                                                void *handle );
128 void cso_delete_fragment_shader(struct cso_context *ctx, void *handle );
129 void cso_save_fragment_shader(struct cso_context *cso);
130 void cso_restore_fragment_shader(struct cso_context *cso);
131 
132 
133 enum pipe_error cso_set_vertex_shader_handle(struct cso_context *ctx,
134                                              void *handle );
135 void cso_delete_vertex_shader(struct cso_context *ctx, void *handle );
136 void cso_save_vertex_shader(struct cso_context *cso);
137 void cso_restore_vertex_shader(struct cso_context *cso);
138 
139 
140 enum pipe_error cso_set_geometry_shader_handle(struct cso_context *ctx,
141                                                void *handle);
142 void cso_delete_geometry_shader(struct cso_context *ctx, void *handle);
143 void cso_save_geometry_shader(struct cso_context *cso);
144 void cso_restore_geometry_shader(struct cso_context *cso);
145 
146 
147 enum pipe_error cso_set_framebuffer(struct cso_context *cso,
148                                     const struct pipe_framebuffer_state *fb);
149 void cso_save_framebuffer(struct cso_context *cso);
150 void cso_restore_framebuffer(struct cso_context *cso);
151 
152 
153 enum pipe_error cso_set_viewport(struct cso_context *cso,
154                                  const struct pipe_viewport_state *vp);
155 void cso_save_viewport(struct cso_context *cso);
156 void cso_restore_viewport(struct cso_context *cso);
157 
158 
159 enum pipe_error cso_set_blend_color(struct cso_context *cso,
160                                     const struct pipe_blend_color *bc);
161 
162 enum pipe_error cso_set_sample_mask(struct cso_context *cso,
163                                     unsigned stencil_mask);
164 void cso_save_sample_mask(struct cso_context *ctx);
165 void cso_restore_sample_mask(struct cso_context *ctx);
166 
167 enum pipe_error cso_set_stencil_ref(struct cso_context *cso,
168                                     const struct pipe_stencil_ref *sr);
169 void cso_save_stencil_ref(struct cso_context *cso);
170 void cso_restore_stencil_ref(struct cso_context *cso);
171 
172 
173 /* clip state */
174 
175 void
176 cso_set_clip(struct cso_context *cso,
177              const struct pipe_clip_state *clip);
178 
179 void
180 cso_save_clip(struct cso_context *cso);
181 
182 void
183 cso_restore_clip(struct cso_context *cso);
184 
185 
186 /* sampler view state */
187 
188 void
189 cso_set_sampler_views(struct cso_context *cso,
190                       unsigned shader_stage,
191                       unsigned count,
192                       struct pipe_sampler_view **views);
193 
194 void
195 cso_save_sampler_views(struct cso_context *cso, unsigned shader_stage);
196 
197 void
198 cso_restore_sampler_views(struct cso_context *cso, unsigned shader_stage);
199 
200 
201 
202 /* drawing */
203 
204 void
205 cso_set_index_buffer(struct cso_context *cso,
206                      const struct pipe_index_buffer *ib);
207 
208 void
209 cso_draw_vbo(struct cso_context *cso,
210              const struct pipe_draw_info *info);
211 
212 /* helper drawing function */
213 void
214 cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count);
215 
216 #ifdef	__cplusplus
217 }
218 #endif
219 
220 #endif
221