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