glsl: add temporary copy_shader_info() function
[mesa.git] / src / compiler / shader_info.h
1 /*
2 * Copyright © 2016 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 */
24
25 #ifndef SHADER_INFO_H
26 #define SHADER_INFO_H
27
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31
32 typedef struct shader_info {
33 const char *name;
34
35 /* Descriptive name provided by the client; may be NULL */
36 const char *label;
37
38 /* Number of textures used by this shader */
39 unsigned num_textures;
40 /* Number of uniform buffers used by this shader */
41 unsigned num_ubos;
42 /* Number of atomic buffers used by this shader */
43 unsigned num_abos;
44 /* Number of shader storage buffers used by this shader */
45 unsigned num_ssbos;
46 /* Number of images used by this shader */
47 unsigned num_images;
48
49 /* Which inputs are actually read */
50 uint64_t inputs_read;
51 /* Which inputs are actually read and are double */
52 uint64_t double_inputs_read;
53 /* Which outputs are actually written */
54 uint64_t outputs_written;
55 /* Which outputs are actually read */
56 uint64_t outputs_read;
57 /* Which system values are actually read */
58 uint64_t system_values_read;
59
60 /* Which patch inputs are actually read */
61 uint32_t patch_inputs_read;
62 /* Which patch outputs are actually written */
63 uint32_t patch_outputs_written;
64
65 /* Whether or not this shader ever uses textureGather() */
66 bool uses_texture_gather;
67
68 /* Whether or not this shader uses the gl_ClipDistance output */
69 bool uses_clip_distance_out;
70
71 /* Whether or not separate shader objects were used */
72 bool separate_shader;
73
74 /** Was this shader linked with any transform feedback varyings? */
75 bool has_transform_feedback_varyings;
76
77 union {
78 struct {
79 /** The number of vertices recieves per input primitive */
80 unsigned vertices_in;
81
82 /** The output primitive type (GL enum value) */
83 unsigned output_primitive;
84
85 /** The maximum number of vertices the geometry shader might write. */
86 unsigned vertices_out;
87
88 /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
89 unsigned invocations;
90
91 /** Whether or not this shader uses EndPrimitive */
92 bool uses_end_primitive;
93
94 /** Whether or not this shader uses non-zero streams */
95 bool uses_streams;
96 } gs;
97
98 struct {
99 bool uses_discard;
100
101 /**
102 * Whether any inputs are declared with the "sample" qualifier.
103 */
104 bool uses_sample_qualifier;
105
106 /**
107 * Whether early fragment tests are enabled as defined by
108 * ARB_shader_image_load_store.
109 */
110 bool early_fragment_tests;
111
112 /** gl_FragDepth layout for ARB_conservative_depth. */
113 enum gl_frag_depth_layout depth_layout;
114 } fs;
115
116 struct {
117 unsigned local_size[3];
118 } cs;
119
120 struct {
121 /** The number of vertices in the TCS output patch. */
122 unsigned vertices_out;
123 } tcs;
124 };
125 } shader_info;
126
127 struct gl_shader_program;
128 struct gl_linked_shader;
129
130 void
131 copy_shader_info(const struct gl_shader_program *shader_prog,
132 struct gl_linked_shader *sh);
133
134 #ifdef __cplusplus
135 }
136 #endif
137
138 #endif /* SHADER_INFO_H */