glsl: lower mediump temporaries to 16 bits except structures (v2)
[mesa.git] / src / mesa / state_tracker / st_atom.h
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 struct st_vertex_program;
41 struct st_common_variant;
42 struct pipe_vertex_buffer;
43 struct pipe_vertex_element;
44 struct cso_velems_state;
45
46 /**
47 * Enumeration of state tracker pipelines.
48 */
49 enum st_pipeline {
50 ST_PIPELINE_RENDER,
51 ST_PIPELINE_CLEAR,
52 ST_PIPELINE_META,
53 ST_PIPELINE_UPDATE_FRAMEBUFFER,
54 ST_PIPELINE_COMPUTE,
55 };
56
57 void st_init_atoms( struct st_context *st );
58 void st_destroy_atoms( struct st_context *st );
59 void st_validate_state( struct st_context *st, enum st_pipeline pipeline );
60 GLuint st_compare_func_to_pipe(GLenum func);
61
62 void
63 st_setup_arrays(struct st_context *st,
64 const struct st_vertex_program *vp,
65 const struct st_common_variant *vp_variant,
66 struct cso_velems_state *velements,
67 struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers,
68 bool *has_user_vertex_buffers);
69
70 void
71 st_setup_current_user(struct st_context *st,
72 const struct st_vertex_program *vp,
73 const struct st_common_variant *vp_variant,
74 struct cso_velems_state *velements,
75 struct pipe_vertex_buffer *vbuffer, unsigned *num_vbuffers);
76
77 /* Define ST_NEW_xxx_INDEX */
78 enum {
79 #define ST_STATE(FLAG, st_update) FLAG##_INDEX,
80 #include "st_atom_list.h"
81 #undef ST_STATE
82 };
83
84 /* Define ST_NEW_xxx values as static const uint64_t values.
85 * We can't use an enum type because MSVC doesn't allow 64-bit enum values.
86 */
87 #define ST_STATE(FLAG, st_update) static const uint64_t FLAG = 1ull << FLAG##_INDEX;
88 #include "st_atom_list.h"
89 #undef ST_STATE
90
91 /* Declare function prototypes. */
92 #define ST_STATE(FLAG, st_update) void st_update(struct st_context *st);
93 #include "st_atom_list.h"
94 #undef ST_STATE
95
96 /* Combined state flags. */
97 #define ST_NEW_SAMPLERS (ST_NEW_VS_SAMPLERS | \
98 ST_NEW_TCS_SAMPLERS | \
99 ST_NEW_TES_SAMPLERS | \
100 ST_NEW_GS_SAMPLERS | \
101 ST_NEW_FS_SAMPLERS | \
102 ST_NEW_CS_SAMPLERS)
103
104 #define ST_NEW_FRAMEBUFFER (ST_NEW_FB_STATE | \
105 ST_NEW_SAMPLE_STATE | \
106 ST_NEW_SAMPLE_SHADING)
107
108 #define ST_NEW_VERTEX_PROGRAM(st, p) ((p)->affected_states | \
109 (st_user_clip_planes_enabled(st->ctx) ? \
110 ST_NEW_CLIP_STATE : 0))
111
112 #define ST_NEW_CONSTANTS (ST_NEW_VS_CONSTANTS | \
113 ST_NEW_TCS_CONSTANTS | \
114 ST_NEW_TES_CONSTANTS | \
115 ST_NEW_FS_CONSTANTS | \
116 ST_NEW_GS_CONSTANTS | \
117 ST_NEW_CS_CONSTANTS)
118
119 #define ST_NEW_UNIFORM_BUFFER (ST_NEW_VS_UBOS | \
120 ST_NEW_TCS_UBOS | \
121 ST_NEW_TES_UBOS | \
122 ST_NEW_FS_UBOS | \
123 ST_NEW_GS_UBOS | \
124 ST_NEW_CS_UBOS)
125
126 #define ST_NEW_SAMPLER_VIEWS (ST_NEW_VS_SAMPLER_VIEWS | \
127 ST_NEW_FS_SAMPLER_VIEWS | \
128 ST_NEW_GS_SAMPLER_VIEWS | \
129 ST_NEW_TCS_SAMPLER_VIEWS | \
130 ST_NEW_TES_SAMPLER_VIEWS | \
131 ST_NEW_CS_SAMPLER_VIEWS)
132
133 #define ST_NEW_ATOMIC_BUFFER (ST_NEW_VS_ATOMICS | \
134 ST_NEW_TCS_ATOMICS | \
135 ST_NEW_TES_ATOMICS | \
136 ST_NEW_FS_ATOMICS | \
137 ST_NEW_GS_ATOMICS | \
138 ST_NEW_CS_ATOMICS)
139
140 #define ST_NEW_STORAGE_BUFFER (ST_NEW_VS_SSBOS | \
141 ST_NEW_TCS_SSBOS | \
142 ST_NEW_TES_SSBOS | \
143 ST_NEW_FS_SSBOS | \
144 ST_NEW_GS_SSBOS | \
145 ST_NEW_CS_SSBOS)
146
147 #define ST_NEW_IMAGE_UNITS (ST_NEW_VS_IMAGES | \
148 ST_NEW_TCS_IMAGES | \
149 ST_NEW_TES_IMAGES | \
150 ST_NEW_GS_IMAGES | \
151 ST_NEW_FS_IMAGES | \
152 ST_NEW_CS_IMAGES)
153
154 #define ST_ALL_SHADER_RESOURCES (ST_NEW_SAMPLER_VIEWS | \
155 ST_NEW_SAMPLERS | \
156 ST_NEW_CONSTANTS | \
157 ST_NEW_UNIFORM_BUFFER | \
158 ST_NEW_ATOMIC_BUFFER | \
159 ST_NEW_STORAGE_BUFFER | \
160 ST_NEW_IMAGE_UNITS)
161
162 /* All state flags within each group: */
163 #define ST_PIPELINE_RENDER_STATE_MASK (ST_NEW_CS_STATE - 1)
164 #define ST_PIPELINE_COMPUTE_STATE_MASK (0xffull << ST_NEW_CS_STATE_INDEX)
165 #define ST_PIPELINE_CLEAR_STATE_MASK (ST_NEW_FB_STATE | \
166 ST_NEW_SCISSOR | \
167 ST_NEW_WINDOW_RECTANGLES)
168 #define ST_PIPELINE_META_STATE_MASK (ST_PIPELINE_RENDER_STATE_MASK & \
169 ~ST_NEW_VERTEX_ARRAYS)
170 /* For ReadPixels, ReadBuffer, GetSamplePosition: */
171 #define ST_PIPELINE_UPDATE_FB_STATE_MASK (ST_NEW_FB_STATE)
172
173 #define ST_ALL_STATES_MASK (ST_PIPELINE_RENDER_STATE_MASK | \
174 ST_PIPELINE_COMPUTE_STATE_MASK)
175
176 #endif