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;
40struct st_vertex_program;
41struct st_vp_variant;
42struct pipe_vertex_buffer;
43struct pipe_vertex_element;
44
45/**
46 * Enumeration of state tracker pipelines.
47 */
48enum st_pipeline {
49   ST_PIPELINE_RENDER,
50   ST_PIPELINE_CLEAR,
51   ST_PIPELINE_META,
52   ST_PIPELINE_UPDATE_FRAMEBUFFER,
53   ST_PIPELINE_COMPUTE,
54};
55
56void st_init_atoms( struct st_context *st );
57void st_destroy_atoms( struct st_context *st );
58void st_validate_state( struct st_context *st, enum st_pipeline pipeline );
59GLuint st_compare_func_to_pipe(GLenum func);
60
61void
62st_setup_arrays(struct st_context *st,
63                const struct st_vertex_program *vp,
64                const struct st_vp_variant *vp_variant,
65                struct pipe_vertex_element *velements,
66                struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers);
67
68void
69st_setup_current(struct st_context *st,
70                 const struct st_vertex_program *vp,
71                 const struct st_vp_variant *vp_variant,
72                 struct pipe_vertex_element *velements,
73                 struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers);
74
75void
76st_setup_current_user(struct st_context *st,
77                      const struct st_vertex_program *vp,
78                      const struct st_vp_variant *vp_variant,
79                      struct pipe_vertex_element *velements,
80                      struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers);
81
82/* Define ST_NEW_xxx_INDEX */
83enum {
84#define ST_STATE(FLAG, st_update) FLAG##_INDEX,
85#include "st_atom_list.h"
86#undef ST_STATE
87};
88
89/* Define ST_NEW_xxx values as static const uint64_t values.
90 * We can't use an enum type because MSVC doesn't allow 64-bit enum values.
91 */
92#define ST_STATE(FLAG, st_update) static const uint64_t FLAG = 1ull << FLAG##_INDEX;
93#include "st_atom_list.h"
94#undef ST_STATE
95
96/* Declare function prototypes. */
97#define ST_STATE(FLAG, st_update) void st_update(struct st_context *st);
98#include "st_atom_list.h"
99#undef ST_STATE
100
101/* Combined state flags. */
102#define ST_NEW_SAMPLERS         (ST_NEW_VS_SAMPLERS | \
103                                 ST_NEW_TCS_SAMPLERS | \
104                                 ST_NEW_TES_SAMPLERS | \
105                                 ST_NEW_GS_SAMPLERS | \
106                                 ST_NEW_FS_SAMPLERS | \
107                                 ST_NEW_CS_SAMPLERS)
108
109#define ST_NEW_FRAMEBUFFER      (ST_NEW_FB_STATE | \
110                                 ST_NEW_SAMPLE_STATE | \
111                                 ST_NEW_SAMPLE_SHADING)
112
113#define ST_NEW_VERTEX_PROGRAM(st, p) (p->affected_states | \
114                                      (st_user_clip_planes_enabled(st->ctx) ? \
115                                       ST_NEW_CLIP_STATE : 0))
116
117#define ST_NEW_CONSTANTS        (ST_NEW_VS_CONSTANTS | \
118                                 ST_NEW_TCS_CONSTANTS | \
119                                 ST_NEW_TES_CONSTANTS | \
120                                 ST_NEW_FS_CONSTANTS | \
121                                 ST_NEW_GS_CONSTANTS | \
122                                 ST_NEW_CS_CONSTANTS)
123
124#define ST_NEW_UNIFORM_BUFFER   (ST_NEW_VS_UBOS | \
125                                 ST_NEW_TCS_UBOS | \
126                                 ST_NEW_TES_UBOS | \
127                                 ST_NEW_FS_UBOS | \
128                                 ST_NEW_GS_UBOS | \
129                                 ST_NEW_CS_UBOS)
130
131#define ST_NEW_SAMPLER_VIEWS    (ST_NEW_VS_SAMPLER_VIEWS | \
132                                 ST_NEW_FS_SAMPLER_VIEWS | \
133                                 ST_NEW_GS_SAMPLER_VIEWS | \
134                                 ST_NEW_TCS_SAMPLER_VIEWS | \
135                                 ST_NEW_TES_SAMPLER_VIEWS | \
136                                 ST_NEW_CS_SAMPLER_VIEWS)
137
138#define ST_NEW_ATOMIC_BUFFER    (ST_NEW_VS_ATOMICS | \
139                                 ST_NEW_TCS_ATOMICS | \
140                                 ST_NEW_TES_ATOMICS | \
141                                 ST_NEW_FS_ATOMICS | \
142                                 ST_NEW_GS_ATOMICS | \
143                                 ST_NEW_CS_ATOMICS)
144
145#define ST_NEW_STORAGE_BUFFER   (ST_NEW_VS_SSBOS | \
146                                 ST_NEW_TCS_SSBOS | \
147                                 ST_NEW_TES_SSBOS | \
148                                 ST_NEW_FS_SSBOS | \
149                                 ST_NEW_GS_SSBOS | \
150                                 ST_NEW_CS_SSBOS)
151
152#define ST_NEW_IMAGE_UNITS      (ST_NEW_VS_IMAGES | \
153                                 ST_NEW_TCS_IMAGES | \
154                                 ST_NEW_TES_IMAGES | \
155                                 ST_NEW_GS_IMAGES | \
156                                 ST_NEW_FS_IMAGES | \
157                                 ST_NEW_CS_IMAGES)
158
159#define ST_ALL_SHADER_RESOURCES (ST_NEW_SAMPLER_VIEWS | \
160                                 ST_NEW_SAMPLERS | \
161                                 ST_NEW_CONSTANTS | \
162                                 ST_NEW_UNIFORM_BUFFER | \
163                                 ST_NEW_ATOMIC_BUFFER | \
164                                 ST_NEW_STORAGE_BUFFER | \
165                                 ST_NEW_IMAGE_UNITS)
166
167/* All state flags within each group: */
168#define ST_PIPELINE_RENDER_STATE_MASK  (ST_NEW_CS_STATE - 1)
169#define ST_PIPELINE_COMPUTE_STATE_MASK (0xffull << ST_NEW_CS_STATE_INDEX)
170#define ST_PIPELINE_CLEAR_STATE_MASK (ST_NEW_FB_STATE | \
171                                      ST_NEW_SCISSOR | \
172                                      ST_NEW_WINDOW_RECTANGLES)
173#define ST_PIPELINE_META_STATE_MASK (ST_PIPELINE_RENDER_STATE_MASK & \
174                                     ~ST_NEW_VERTEX_ARRAYS)
175/* For ReadPixels, ReadBuffer, GetSamplePosition: */
176#define ST_PIPELINE_UPDATE_FB_STATE_MASK (ST_NEW_FB_STATE)
177
178#define ST_ALL_STATES_MASK (ST_PIPELINE_RENDER_STATE_MASK | \
179                            ST_PIPELINE_COMPUTE_STATE_MASK)
180
181#endif
182