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
39struct st_context;
40
41/**
42 * Enumeration of state tracker pipelines.
43 */
44enum st_pipeline {
45   ST_PIPELINE_RENDER,
46   ST_PIPELINE_COMPUTE,
47};
48
49struct st_tracked_state {
50   void (*update)( struct st_context *st );
51};
52
53
54void st_init_atoms( struct st_context *st );
55void st_destroy_atoms( struct st_context *st );
56void st_validate_state( struct st_context *st, enum st_pipeline pipeline );
57GLuint st_compare_func_to_pipe(GLenum func);
58
59enum pipe_format
60st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
61                      GLboolean normalized, GLboolean integer);
62
63
64/* Define ST_NEW_xxx_INDEX */
65enum {
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