1 /**************************************************************************
2  *
3  * Copyright 2003 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   * Authors:
30   *   Keith Whitwell <keithw@vmware.com>
31   */
32 
33 
34 #ifndef ST_ATOM_H
35 #define ST_ATOM_H
36 
37 #include "main/glheader.h"
38 
39 struct st_context;
40 
41 /**
42  * Enumeration of state tracker pipelines.
43  */
44 enum st_pipeline {
45    ST_PIPELINE_RENDER,
46    ST_PIPELINE_COMPUTE,
47 };
48 
49 struct st_tracked_state {
50    void (*update)( struct st_context *st );
51 };
52 
53 
54 void st_init_atoms( struct st_context *st );
55 void st_destroy_atoms( struct st_context *st );
56 void st_validate_state( struct st_context *st, enum st_pipeline pipeline );
57 GLuint st_compare_func_to_pipe(GLenum func);
58 
59 enum pipe_format
60 st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
61                       GLboolean normalized, GLboolean integer);
62 
63 
64 /* Define ST_NEW_xxx_INDEX */
65 enum {
66 #define ST_STATE(FLAG, st_update) FLAG##_INDEX,
67 #include "st_atom_list.h"
68 #undef ST_STATE
69 };
70 
71 /* Define ST_NEW_xxx values as static const uint64_t values.
72  * We can't use an enum type because MSVC doesn't allow 64-bit enum values.
73  */
74 #define ST_STATE(FLAG, st_update) static const uint64_t FLAG = 1llu << FLAG##_INDEX;
75 #include "st_atom_list.h"
76 #undef ST_STATE
77 
78 /* Add extern struct declarations. */
79 #define ST_STATE(FLAG, st_update) extern const struct st_tracked_state st_update;
80 #include "st_atom_list.h"
81 #undef ST_STATE
82 
83 /* Combined state flags. */
84 #define ST_NEW_SAMPLERS         (ST_NEW_RENDER_SAMPLERS | \
85                                  ST_NEW_CS_SAMPLERS)
86 
87 #define ST_NEW_FRAMEBUFFER      (ST_NEW_FB_STATE | \
88                                  ST_NEW_SAMPLE_MASK | \
89                                  ST_NEW_SAMPLE_SHADING)
90 
91 #define ST_NEW_VERTEX_PROGRAM(st, p) (p->affected_states | \
92                                       (st_user_clip_planes_enabled(st->ctx) ? \
93                                        ST_NEW_CLIP_STATE : 0))
94 
95 #define ST_NEW_CONSTANTS        (ST_NEW_VS_CONSTANTS | \
96                                  ST_NEW_TCS_CONSTANTS | \
97                                  ST_NEW_TES_CONSTANTS | \
98                                  ST_NEW_FS_CONSTANTS | \
99                                  ST_NEW_GS_CONSTANTS | \
100                                  ST_NEW_CS_CONSTANTS)
101 
102 #define ST_NEW_UNIFORM_BUFFER   (ST_NEW_VS_UBOS | \
103                                  ST_NEW_TCS_UBOS | \
104                                  ST_NEW_TES_UBOS | \
105                                  ST_NEW_FS_UBOS | \
106                                  ST_NEW_GS_UBOS | \
107                                  ST_NEW_CS_UBOS)
108 
109 #define ST_NEW_SAMPLER_VIEWS    (ST_NEW_VS_SAMPLER_VIEWS | \
110                                  ST_NEW_FS_SAMPLER_VIEWS | \
111                                  ST_NEW_GS_SAMPLER_VIEWS | \
112                                  ST_NEW_TCS_SAMPLER_VIEWS | \
113                                  ST_NEW_TES_SAMPLER_VIEWS | \
114                                  ST_NEW_CS_SAMPLER_VIEWS)
115 
116 #define ST_NEW_ATOMIC_BUFFER    (ST_NEW_VS_ATOMICS | \
117                                  ST_NEW_TCS_ATOMICS | \
118                                  ST_NEW_TES_ATOMICS | \
119                                  ST_NEW_FS_ATOMICS | \
120                                  ST_NEW_GS_ATOMICS | \
121                                  ST_NEW_CS_ATOMICS)
122 
123 #define ST_NEW_STORAGE_BUFFER   (ST_NEW_VS_SSBOS | \
124                                  ST_NEW_TCS_SSBOS | \
125                                  ST_NEW_TES_SSBOS | \
126                                  ST_NEW_FS_SSBOS | \
127                                  ST_NEW_GS_SSBOS | \
128                                  ST_NEW_CS_SSBOS)
129 
130 #define ST_NEW_IMAGE_UNITS      (ST_NEW_VS_IMAGES | \
131                                  ST_NEW_TCS_IMAGES | \
132                                  ST_NEW_TES_IMAGES | \
133                                  ST_NEW_GS_IMAGES | \
134                                  ST_NEW_FS_IMAGES | \
135                                  ST_NEW_CS_IMAGES)
136 
137 #define ST_ALL_SHADER_RESOURCES (ST_NEW_SAMPLER_VIEWS | \
138                                  ST_NEW_SAMPLERS | \
139                                  ST_NEW_CONSTANTS | \
140                                  ST_NEW_UNIFORM_BUFFER | \
141                                  ST_NEW_ATOMIC_BUFFER | \
142                                  ST_NEW_STORAGE_BUFFER | \
143                                  ST_NEW_IMAGE_UNITS)
144 
145 /* All state flags within each group: */
146 #define ST_PIPELINE_RENDER_STATE_MASK  (ST_NEW_CS_STATE - 1)
147 #define ST_PIPELINE_COMPUTE_STATE_MASK (0xffllu << ST_NEW_CS_STATE_INDEX)
148 
149 #define ST_ALL_STATES_MASK (ST_PIPELINE_RENDER_STATE_MASK | \
150                             ST_PIPELINE_COMPUTE_STATE_MASK)
151 
152 #endif
153