1 /*
2 * Copyright © 2011 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
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 /* This file declares stripped-down versions of functions that
25 * normally exist outside of the glsl folder, so that they can be used
26 * when running the GLSL compiler standalone (for unit testing or
27 * compiling builtins).
28 */
29
30 #pragma once
31 #ifndef STANDALONE_SCAFFOLDING_H
32 #define STANDALONE_SCAFFOLDING_H
33
34 #include <assert.h>
35 #include "main/mtypes.h"
36 #include "program/prog_statevars.h"
37
38 extern "C" void
39 _mesa_warning(struct gl_context *ctx, const char *fmtString, ... );
40
41 extern "C" void
42 _mesa_reference_shader_program_data(struct gl_context *ctx,
43 struct gl_shader_program_data **ptr,
44 struct gl_shader_program_data *data);
45
46 extern "C" void
47 _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
48 struct gl_shader *sh);
49
50 extern "C" void
51 _mesa_reference_program_(struct gl_context *ctx, struct gl_program **ptr,
52 struct gl_program *prog);
53
54 extern "C" struct gl_shader *
55 _mesa_new_shader(GLuint name, gl_shader_stage stage);
56
57 extern "C" void
58 _mesa_delete_shader(struct gl_context *ctx, struct gl_shader *sh);
59
60 extern "C" void
61 _mesa_delete_linked_shader(struct gl_context *ctx,
62 struct gl_linked_shader *sh);
63
64 extern "C" void
65 _mesa_clear_shader_program_data(struct gl_context *ctx,
66 struct gl_shader_program *);
67
68 extern "C" void
69 _mesa_shader_debug(struct gl_context *ctx, GLenum type, GLuint *id,
70 const char *msg);
71
72 extern "C" GLbitfield
73 _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]);
74
75
76 extern "C" char *
77 _mesa_program_state_string(const gl_state_index state[STATE_LENGTH]);
78
79 static inline gl_shader_stage
_mesa_shader_enum_to_shader_stage(GLenum v)80 _mesa_shader_enum_to_shader_stage(GLenum v)
81 {
82 switch (v) {
83 case GL_VERTEX_SHADER:
84 return MESA_SHADER_VERTEX;
85 case GL_FRAGMENT_SHADER:
86 return MESA_SHADER_FRAGMENT;
87 case GL_GEOMETRY_SHADER:
88 return MESA_SHADER_GEOMETRY;
89 case GL_TESS_CONTROL_SHADER:
90 return MESA_SHADER_TESS_CTRL;
91 case GL_TESS_EVALUATION_SHADER:
92 return MESA_SHADER_TESS_EVAL;
93 case GL_COMPUTE_SHADER:
94 return MESA_SHADER_COMPUTE;
95 default:
96 assert(!"bad value in _mesa_shader_enum_to_shader_stage()");
97 return MESA_SHADER_VERTEX;
98 }
99 }
100
101 /**
102 * Initialize the given gl_context structure to a reasonable set of
103 * defaults representing the minimum capabilities required by the
104 * OpenGL spec.
105 *
106 * This is used when compiling builtin functions and in testing, when
107 * we don't have a connection to an actual driver.
108 */
109 void initialize_context_to_defaults(struct gl_context *ctx, gl_api api);
110
111
112 #endif /* STANDALONE_SCAFFOLDING_H */
113