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#ifdef __cplusplus
40extern "C" {
41#endif
42
43struct st_context;
44struct gl_vertex_program;
45struct st_common_variant;
46struct pipe_vertex_buffer;
47struct pipe_vertex_element;
48struct cso_velems_state;
49
50/**
51 * Enumeration of state tracker pipelines.
52 */
53enum st_pipeline {
54   ST_PIPELINE_RENDER,
55   ST_PIPELINE_RENDER_NO_VARRAYS,
56   ST_PIPELINE_CLEAR,
57   ST_PIPELINE_META,
58   ST_PIPELINE_UPDATE_FRAMEBUFFER,
59   ST_PIPELINE_COMPUTE,
60};
61
62void st_init_atoms( struct st_context *st );
63void st_destroy_atoms( struct st_context *st );
64void st_validate_state( struct st_context *st, enum st_pipeline pipeline );
65void st_update_edgeflags(struct st_context *st, bool per_vertex_edgeflags);
66
67void
68st_setup_arrays(struct st_context *st,
69                const struct gl_vertex_program *vp,
70                const struct st_common_variant *vp_variant,
71                struct cso_velems_state *velements,
72                struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers,
73                bool *has_user_vertex_buffers);
74
75void
76st_setup_current_user(struct st_context *st,
77                      const struct gl_vertex_program *vp,
78                      const struct st_common_variant *vp_variant,
79                      struct cso_velems_state *velements,
80                      struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers);
81
82void
83st_update_array_with_popcnt(struct st_context *st);
84
85struct pipe_vertex_state *
86st_create_gallium_vertex_state(struct gl_context *ctx,
87                               const struct gl_vertex_array_object *vao,
88                               struct gl_buffer_object *indexbuf,
89                               uint32_t enabled_attribs);
90
91/* Define ST_NEW_xxx_INDEX */
92enum {
93#define ST_STATE(FLAG, st_update) FLAG##_INDEX,
94#include "st_atom_list.h"
95#undef ST_STATE
96   ST_NUM_ATOMS,
97};
98
99/* Define ST_NEW_xxx values as static const uint64_t values.
100 * We can't use an enum type because MSVC doesn't allow 64-bit enum values.
101 */
102#define ST_STATE(FLAG, st_update) static const uint64_t FLAG = 1ull << FLAG##_INDEX;
103#include "st_atom_list.h"
104#undef ST_STATE
105
106/* Declare function prototypes. */
107#define ST_STATE(FLAG, st_update) void st_update(struct st_context *st);
108#include "st_atom_list.h"
109#undef ST_STATE
110
111/* Combined state flags. */
112#define ST_NEW_SAMPLERS         (ST_NEW_VS_SAMPLERS | \
113                                 ST_NEW_TCS_SAMPLERS | \
114                                 ST_NEW_TES_SAMPLERS | \
115                                 ST_NEW_GS_SAMPLERS | \
116                                 ST_NEW_FS_SAMPLERS | \
117                                 ST_NEW_CS_SAMPLERS)
118
119#define ST_NEW_FRAMEBUFFER      (ST_NEW_FB_STATE | \
120                                 ST_NEW_SAMPLE_STATE | \
121                                 ST_NEW_SAMPLE_SHADING)
122
123#define ST_NEW_VERTEX_PROGRAM(st, p) ((p)->affected_states | \
124                                      (st_user_clip_planes_enabled(st->ctx) ? \
125                                       ST_NEW_CLIP_STATE : 0))
126
127#define ST_NEW_CONSTANTS        (ST_NEW_VS_CONSTANTS | \
128                                 ST_NEW_TCS_CONSTANTS | \
129                                 ST_NEW_TES_CONSTANTS | \
130                                 ST_NEW_FS_CONSTANTS | \
131                                 ST_NEW_GS_CONSTANTS | \
132                                 ST_NEW_CS_CONSTANTS)
133
134#define ST_NEW_UNIFORM_BUFFER   (ST_NEW_VS_UBOS | \
135                                 ST_NEW_TCS_UBOS | \
136                                 ST_NEW_TES_UBOS | \
137                                 ST_NEW_FS_UBOS | \
138                                 ST_NEW_GS_UBOS | \
139                                 ST_NEW_CS_UBOS)
140
141#define ST_NEW_SAMPLER_VIEWS    (ST_NEW_VS_SAMPLER_VIEWS | \
142                                 ST_NEW_FS_SAMPLER_VIEWS | \
143                                 ST_NEW_GS_SAMPLER_VIEWS | \
144                                 ST_NEW_TCS_SAMPLER_VIEWS | \
145                                 ST_NEW_TES_SAMPLER_VIEWS | \
146                                 ST_NEW_CS_SAMPLER_VIEWS)
147
148#define ST_NEW_ATOMIC_BUFFER    (ST_NEW_VS_ATOMICS | \
149                                 ST_NEW_TCS_ATOMICS | \
150                                 ST_NEW_TES_ATOMICS | \
151                                 ST_NEW_FS_ATOMICS | \
152                                 ST_NEW_GS_ATOMICS | \
153                                 ST_NEW_CS_ATOMICS)
154
155#define ST_NEW_STORAGE_BUFFER   (ST_NEW_VS_SSBOS | \
156                                 ST_NEW_TCS_SSBOS | \
157                                 ST_NEW_TES_SSBOS | \
158                                 ST_NEW_FS_SSBOS | \
159                                 ST_NEW_GS_SSBOS | \
160                                 ST_NEW_CS_SSBOS)
161
162#define ST_NEW_IMAGE_UNITS      (ST_NEW_VS_IMAGES | \
163                                 ST_NEW_TCS_IMAGES | \
164                                 ST_NEW_TES_IMAGES | \
165                                 ST_NEW_GS_IMAGES | \
166                                 ST_NEW_FS_IMAGES | \
167                                 ST_NEW_CS_IMAGES)
168
169#define ST_ALL_SHADER_RESOURCES (ST_NEW_SAMPLER_VIEWS | \
170                                 ST_NEW_SAMPLERS | \
171                                 ST_NEW_CONSTANTS | \
172                                 ST_NEW_UNIFORM_BUFFER | \
173                                 ST_NEW_ATOMIC_BUFFER | \
174                                 ST_NEW_STORAGE_BUFFER | \
175                                 ST_NEW_IMAGE_UNITS)
176
177/* All state flags within each group: */
178#define ST_PIPELINE_RENDER_STATE_MASK  (ST_NEW_CS_STATE - 1)
179#define ST_PIPELINE_RENDER_STATE_MASK_NO_VARRAYS \
180   (ST_PIPELINE_RENDER_STATE_MASK & ~ST_NEW_VERTEX_ARRAYS)
181#define ST_PIPELINE_COMPUTE_STATE_MASK (0xffull << ST_NEW_CS_STATE_INDEX)
182#define ST_PIPELINE_CLEAR_STATE_MASK (ST_NEW_FB_STATE | \
183                                      ST_NEW_SCISSOR | \
184                                      ST_NEW_WINDOW_RECTANGLES)
185#define ST_PIPELINE_META_STATE_MASK ST_PIPELINE_RENDER_STATE_MASK_NO_VARRAYS
186/* For ReadPixels, ReadBuffer, GetSamplePosition: */
187#define ST_PIPELINE_UPDATE_FB_STATE_MASK (ST_NEW_FB_STATE)
188
189#define ST_ALL_STATES_MASK (ST_PIPELINE_RENDER_STATE_MASK | \
190                            ST_PIPELINE_COMPUTE_STATE_MASK)
191
192#ifdef __cplusplus
193}
194#endif
195
196#endif
197