1 /**************************************************************************
2  *
3  * Copyright 2007-2008 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.
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23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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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 void cso_destroy_context( struct cso_context *cso );
46 
47 
48 enum pipe_error cso_set_blend( struct cso_context *cso,
49                                const struct pipe_blend_state *blend );
50 
51 
52 enum pipe_error cso_set_depth_stencil_alpha( struct cso_context *cso,
53                                              const struct pipe_depth_stencil_alpha_state *dsa );
54 
55 
56 
57 enum pipe_error cso_set_rasterizer( struct cso_context *cso,
58                                     const struct pipe_rasterizer_state *rasterizer );
59 
60 
61 enum pipe_error
62 cso_set_samplers(struct cso_context *cso,
63                  enum pipe_shader_type shader_stage,
64                  unsigned count,
65                  const struct pipe_sampler_state **states);
66 
67 
68 /* Alternate interface to support state trackers that like to modify
69  * samplers one at a time:
70  */
71 enum pipe_error
72 cso_single_sampler(struct cso_context *cso, unsigned shader_stage,
73                    unsigned idx, const struct pipe_sampler_state *states);
74 
75 void
76 cso_single_sampler_done(struct cso_context *cso,
77                         enum pipe_shader_type shader_stage);
78 
79 
80 enum pipe_error cso_set_vertex_elements(struct cso_context *ctx,
81                                         unsigned count,
82                                         const struct pipe_vertex_element *states);
83 
84 void cso_set_vertex_buffers(struct cso_context *ctx,
85                             unsigned start_slot, unsigned count,
86                             const struct pipe_vertex_buffer *buffers);
87 
88 /* One vertex buffer slot is provided with the save/restore functionality.
89  * cso_context chooses the slot, it can be non-zero. */
90 unsigned cso_get_aux_vertex_buffer_slot(struct cso_context *ctx);
91 
92 
93 void cso_set_stream_outputs(struct cso_context *ctx,
94                             unsigned num_targets,
95                             struct pipe_stream_output_target **targets,
96                             const unsigned *offsets);
97 
98 
99 /*
100  * We don't provide shader caching in CSO.  Most of the time the api provides
101  * object semantics for shaders anyway, and the cases where it doesn't
102  * (eg mesa's internally-generated texenv programs), it will be up to
103  * the state tracker to implement their own specialized caching.
104  */
105 
106 void cso_set_fragment_shader_handle(struct cso_context *ctx, void *handle);
107 void cso_delete_fragment_shader(struct cso_context *ctx, void *handle );
108 
109 
110 void cso_set_vertex_shader_handle(struct cso_context *ctx, void *handle);
111 void cso_delete_vertex_shader(struct cso_context *ctx, void *handle );
112 
113 
114 void cso_set_geometry_shader_handle(struct cso_context *ctx, void *handle);
115 void cso_delete_geometry_shader(struct cso_context *ctx, void *handle);
116 
117 
118 void cso_set_tessctrl_shader_handle(struct cso_context *ctx, void *handle);
119 void cso_delete_tessctrl_shader(struct cso_context *ctx, void *handle);
120 
121 
122 void cso_set_tesseval_shader_handle(struct cso_context *ctx, void *handle);
123 void cso_delete_tesseval_shader(struct cso_context *ctx, void *handle);
124 
125 
126 void cso_set_compute_shader_handle(struct cso_context *ctx, void *handle);
127 void cso_delete_compute_shader(struct cso_context *ctx, void *handle);
128 
129 
130 void cso_set_framebuffer(struct cso_context *cso,
131                          const struct pipe_framebuffer_state *fb);
132 
133 
134 void cso_set_viewport(struct cso_context *cso,
135                       const struct pipe_viewport_state *vp);
136 void cso_set_viewport_dims(struct cso_context *ctx,
137                            float width, float height, boolean invert);
138 
139 
140 void cso_set_blend_color(struct cso_context *cso,
141                          const struct pipe_blend_color *bc);
142 
143 void cso_set_sample_mask(struct cso_context *cso, unsigned stencil_mask);
144 
145 void cso_set_min_samples(struct cso_context *cso, unsigned min_samples);
146 
147 void cso_set_stencil_ref(struct cso_context *cso,
148                          const struct pipe_stencil_ref *sr);
149 
150 void cso_set_render_condition(struct cso_context *cso,
151                               struct pipe_query *query,
152                               boolean condition, uint mode);
153 
154 
155 #define CSO_BIT_AUX_VERTEX_BUFFER_SLOT    0x1
156 #define CSO_BIT_BLEND                     0x2
157 #define CSO_BIT_DEPTH_STENCIL_ALPHA       0x4
158 #define CSO_BIT_FRAGMENT_SAMPLERS         0x8
159 #define CSO_BIT_FRAGMENT_SAMPLER_VIEWS   0x10
160 #define CSO_BIT_FRAGMENT_SHADER          0x20
161 #define CSO_BIT_FRAMEBUFFER              0x40
162 #define CSO_BIT_GEOMETRY_SHADER          0x80
163 #define CSO_BIT_MIN_SAMPLES             0x100
164 #define CSO_BIT_RASTERIZER              0x200
165 #define CSO_BIT_RENDER_CONDITION        0x400
166 #define CSO_BIT_SAMPLE_MASK             0x800
167 #define CSO_BIT_STENCIL_REF            0x1000
168 #define CSO_BIT_STREAM_OUTPUTS         0x2000
169 #define CSO_BIT_TESSCTRL_SHADER        0x4000
170 #define CSO_BIT_TESSEVAL_SHADER        0x8000
171 #define CSO_BIT_VERTEX_ELEMENTS       0x10000
172 #define CSO_BIT_VERTEX_SHADER         0x20000
173 #define CSO_BIT_VIEWPORT              0x40000
174 #define CSO_BIT_PAUSE_QUERIES         0x80000
175 #define CSO_BIT_FRAGMENT_IMAGE0      0x100000
176 
177 #define CSO_BITS_ALL_SHADERS (CSO_BIT_VERTEX_SHADER | \
178                               CSO_BIT_FRAGMENT_SHADER | \
179                               CSO_BIT_GEOMETRY_SHADER | \
180                               CSO_BIT_TESSCTRL_SHADER | \
181                               CSO_BIT_TESSEVAL_SHADER)
182 
183 void cso_save_state(struct cso_context *cso, unsigned state_mask);
184 void cso_restore_state(struct cso_context *cso);
185 
186 
187 /* sampler view state */
188 
189 void
190 cso_set_sampler_views(struct cso_context *cso,
191                       enum pipe_shader_type shader_stage,
192                       unsigned count,
193                       struct pipe_sampler_view **views);
194 
195 
196 /* shader images */
197 
198 void
199 cso_set_shader_images(struct cso_context *cso,
200                       enum pipe_shader_type shader_stage,
201                       unsigned start, unsigned count,
202                       struct pipe_image_view *views);
203 
204 
205 /* constant buffers */
206 
207 void cso_set_constant_buffer(struct cso_context *cso, unsigned shader_stage,
208                              unsigned index, struct pipe_constant_buffer *cb);
209 void cso_set_constant_buffer_resource(struct cso_context *cso,
210                                       unsigned shader_stage,
211                                       unsigned index,
212                                       struct pipe_resource *buffer);
213 void cso_save_constant_buffer_slot0(struct cso_context *cso,
214                                     unsigned shader_stage);
215 void cso_restore_constant_buffer_slot0(struct cso_context *cso,
216                                        unsigned shader_stage);
217 
218 
219 /* drawing */
220 
221 void
222 cso_set_index_buffer(struct cso_context *cso,
223                      const struct pipe_index_buffer *ib);
224 
225 void
226 cso_draw_vbo(struct cso_context *cso,
227              const struct pipe_draw_info *info);
228 
229 void
230 cso_draw_arrays_instanced(struct cso_context *cso, uint mode,
231                           uint start, uint count,
232                           uint start_instance, uint instance_count);
233 
234 void
235 cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count);
236 
237 #ifdef	__cplusplus
238 }
239 #endif
240 
241 #endif
242