cso_context.h revision 1bf8fa82770622c0a8ba88e7cb506e507fb56061 
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.
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
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
38extern "C" {
39#endif
40
41struct cso_context;
42struct u_vbuf;
43
44struct cso_context *cso_create_context( struct pipe_context *pipe );
45void cso_destroy_context( struct cso_context *cso );
46
47
48enum pipe_error cso_set_blend( struct cso_context *cso,
49                               const struct pipe_blend_state *blend );
50
51
52enum pipe_error cso_set_depth_stencil_alpha( struct cso_context *cso,
53                                             const struct pipe_depth_stencil_alpha_state *dsa );
54
55
56
57enum pipe_error cso_set_rasterizer( struct cso_context *cso,
58                                    const struct pipe_rasterizer_state *rasterizer );
59
60
61enum pipe_error
62cso_set_samplers(struct cso_context *cso,
63                 unsigned 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 */
71enum pipe_error
72cso_single_sampler(struct cso_context *cso, unsigned shader_stage,
73                   unsigned idx, const struct pipe_sampler_state *states);
74
75void
76cso_single_sampler_done(struct cso_context *cso, unsigned shader_stage);
77
78
79enum pipe_error cso_set_vertex_elements(struct cso_context *ctx,
80                                        unsigned count,
81                                        const struct pipe_vertex_element *states);
82
83void cso_set_vertex_buffers(struct cso_context *ctx,
84                            unsigned start_slot, unsigned count,
85                            const struct pipe_vertex_buffer *buffers);
86
87/* One vertex buffer slot is provided with the save/restore functionality.
88 * cso_context chooses the slot, it can be non-zero. */
89unsigned cso_get_aux_vertex_buffer_slot(struct cso_context *ctx);
90
91
92void cso_set_stream_outputs(struct cso_context *ctx,
93                            unsigned num_targets,
94                            struct pipe_stream_output_target **targets,
95                            const unsigned *offsets);
96
97
98/*
99 * We don't provide shader caching in CSO.  Most of the time the api provides
100 * object semantics for shaders anyway, and the cases where it doesn't
101 * (eg mesa's internally-generated texenv programs), it will be up to
102 * the state tracker to implement their own specialized caching.
103 */
104
105void cso_set_fragment_shader_handle(struct cso_context *ctx, void *handle);
106void cso_delete_fragment_shader(struct cso_context *ctx, void *handle );
107
108
109void cso_set_vertex_shader_handle(struct cso_context *ctx, void *handle);
110void cso_delete_vertex_shader(struct cso_context *ctx, void *handle );
111
112
113void cso_set_geometry_shader_handle(struct cso_context *ctx, void *handle);
114void cso_delete_geometry_shader(struct cso_context *ctx, void *handle);
115
116
117void cso_set_tessctrl_shader_handle(struct cso_context *ctx, void *handle);
118void cso_delete_tessctrl_shader(struct cso_context *ctx, void *handle);
119
120
121void cso_set_tesseval_shader_handle(struct cso_context *ctx, void *handle);
122void cso_delete_tesseval_shader(struct cso_context *ctx, void *handle);
123
124
125void cso_set_compute_shader_handle(struct cso_context *ctx, void *handle);
126void cso_delete_compute_shader(struct cso_context *ctx, void *handle);
127
128
129void cso_set_framebuffer(struct cso_context *cso,
130                         const struct pipe_framebuffer_state *fb);
131
132
133void cso_set_viewport(struct cso_context *cso,
134                      const struct pipe_viewport_state *vp);
135void cso_set_viewport_dims(struct cso_context *ctx,
136                           float width, float height, boolean invert);
137
138
139void cso_set_blend_color(struct cso_context *cso,
140                         const struct pipe_blend_color *bc);
141
142void cso_set_sample_mask(struct cso_context *cso, unsigned stencil_mask);
143
144void cso_set_min_samples(struct cso_context *cso, unsigned min_samples);
145
146void cso_set_stencil_ref(struct cso_context *cso,
147                         const struct pipe_stencil_ref *sr);
148
149void cso_set_render_condition(struct cso_context *cso,
150                              struct pipe_query *query,
151                              boolean condition, uint mode);
152
153
154#define CSO_BIT_AUX_VERTEX_BUFFER_SLOT    0x1
155#define CSO_BIT_BLEND                     0x2
156#define CSO_BIT_DEPTH_STENCIL_ALPHA       0x4
157#define CSO_BIT_FRAGMENT_SAMPLERS         0x8
158#define CSO_BIT_FRAGMENT_SAMPLER_VIEWS   0x10
159#define CSO_BIT_FRAGMENT_SHADER          0x20
160#define CSO_BIT_FRAMEBUFFER              0x40
161#define CSO_BIT_GEOMETRY_SHADER          0x80
162#define CSO_BIT_MIN_SAMPLES             0x100
163#define CSO_BIT_RASTERIZER              0x200
164#define CSO_BIT_RENDER_CONDITION        0x400
165#define CSO_BIT_SAMPLE_MASK             0x800
166#define CSO_BIT_STENCIL_REF            0x1000
167#define CSO_BIT_STREAM_OUTPUTS         0x2000
168#define CSO_BIT_TESSCTRL_SHADER        0x4000
169#define CSO_BIT_TESSEVAL_SHADER        0x8000
170#define CSO_BIT_VERTEX_ELEMENTS       0x10000
171#define CSO_BIT_VERTEX_SHADER         0x20000
172#define CSO_BIT_VIEWPORT              0x40000
173
174#define CSO_BITS_ALL_SHADERS (CSO_BIT_VERTEX_SHADER | \
175                              CSO_BIT_FRAGMENT_SHADER | \
176                              CSO_BIT_GEOMETRY_SHADER | \
177                              CSO_BIT_TESSCTRL_SHADER | \
178                              CSO_BIT_TESSEVAL_SHADER)
179
180void cso_save_state(struct cso_context *cso, unsigned state_mask);
181void cso_restore_state(struct cso_context *cso);
182
183
184/* sampler view state */
185
186void
187cso_set_sampler_views(struct cso_context *cso,
188                      unsigned shader_stage,
189                      unsigned count,
190                      struct pipe_sampler_view **views);
191
192
193/* constant buffers */
194
195void cso_set_constant_buffer(struct cso_context *cso, unsigned shader_stage,
196                             unsigned index, struct pipe_constant_buffer *cb);
197void cso_set_constant_buffer_resource(struct cso_context *cso,
198                                      unsigned shader_stage,
199                                      unsigned index,
200                                      struct pipe_resource *buffer);
201void cso_save_constant_buffer_slot0(struct cso_context *cso,
202                                    unsigned shader_stage);
203void cso_restore_constant_buffer_slot0(struct cso_context *cso,
204                                       unsigned shader_stage);
205
206
207/* drawing */
208
209void
210cso_set_index_buffer(struct cso_context *cso,
211                     const struct pipe_index_buffer *ib);
212
213void
214cso_draw_vbo(struct cso_context *cso,
215             const struct pipe_draw_info *info);
216
217void
218cso_draw_arrays_instanced(struct cso_context *cso, uint mode,
219                          uint start, uint count,
220                          uint start_instance, uint instance_count);
221
222void
223cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count);
224
225#ifdef	__cplusplus
226}
227#endif
228
229#endif
230