standalone_scaffolding.h revision 01e04c3f 
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/menums.h"
35#include "program/prog_statevars.h"
36
37extern "C" void
38_mesa_warning(struct gl_context *ctx, const char *fmtString, ... );
39
40extern "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
45extern "C" void
46_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
47                       struct gl_shader *sh);
48
49extern "C" void
50_mesa_reference_program_(struct gl_context *ctx, struct gl_program **ptr,
51                         struct gl_program *prog);
52
53extern "C" struct gl_shader *
54_mesa_new_shader(GLuint name, gl_shader_stage stage);
55
56extern "C" void
57_mesa_delete_shader(struct gl_context *ctx, struct gl_shader *sh);
58
59extern "C" void
60_mesa_delete_linked_shader(struct gl_context *ctx,
61                           struct gl_linked_shader *sh);
62
63extern "C" void
64_mesa_clear_shader_program_data(struct gl_context *ctx,
65                                struct gl_shader_program *);
66
67extern "C" void
68_mesa_shader_debug(struct gl_context *ctx, GLenum type, GLuint *id,
69                   const char *msg);
70
71extern "C" GLbitfield
72_mesa_program_state_flags(const gl_state_index16 state[STATE_LENGTH]);
73
74
75extern "C" char *
76_mesa_program_state_string(const gl_state_index16 state[STATE_LENGTH]);
77
78static inline gl_shader_stage
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 */
108void initialize_context_to_defaults(struct gl_context *ctx, gl_api api);
109
110
111#endif /* STANDALONE_SCAFFOLDING_H */
112