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_problem(struct gl_context *ctx, const char *fmtString, ... );
42
43extern "C" void
44_mesa_reference_shader_program_data(struct gl_context *ctx,
45                                    struct gl_shader_program_data **ptr,
46                                    struct gl_shader_program_data *data);
47
48extern "C" void
49_mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
50                       struct gl_shader *sh);
51
52extern "C" void
53_mesa_reference_program_(struct gl_context *ctx, struct gl_program **ptr,
54                         struct gl_program *prog);
55
56extern "C" struct gl_shader *
57_mesa_new_shader(GLuint name, gl_shader_stage stage);
58
59extern "C" void
60_mesa_delete_shader(struct gl_context *ctx, struct gl_shader *sh);
61
62extern "C" void
63_mesa_delete_linked_shader(struct gl_context *ctx,
64                           struct gl_linked_shader *sh);
65
66extern "C" void
67_mesa_clear_shader_program_data(struct gl_context *ctx,
68                                struct gl_shader_program *);
69
70extern "C" void
71_mesa_shader_debug(struct gl_context *ctx, GLenum type, GLuint *id,
72                   const char *msg);
73
74extern "C" GLbitfield
75_mesa_program_state_flags(const gl_state_index16 state[STATE_LENGTH]);
76
77
78extern "C" char *
79_mesa_program_state_string(const gl_state_index16 state[STATE_LENGTH]);
80
81static inline gl_shader_stage
82_mesa_shader_enum_to_shader_stage(GLenum v)
83{
84   switch (v) {
85   case GL_VERTEX_SHADER:
86      return MESA_SHADER_VERTEX;
87   case GL_FRAGMENT_SHADER:
88      return MESA_SHADER_FRAGMENT;
89   case GL_GEOMETRY_SHADER:
90      return MESA_SHADER_GEOMETRY;
91   case GL_TESS_CONTROL_SHADER:
92      return MESA_SHADER_TESS_CTRL;
93   case GL_TESS_EVALUATION_SHADER:
94      return MESA_SHADER_TESS_EVAL;
95   case GL_COMPUTE_SHADER:
96      return MESA_SHADER_COMPUTE;
97   default:
98      assert(!"bad value in _mesa_shader_enum_to_shader_stage()");
99      return MESA_SHADER_VERTEX;
100   }
101}
102
103/**
104 * Initialize the given gl_context structure to a reasonable set of
105 * defaults representing the minimum capabilities required by the
106 * OpenGL spec.
107 *
108 * This is used when compiling builtin functions and in testing, when
109 * we don't have a connection to an actual driver.
110 */
111void initialize_context_to_defaults(struct gl_context *ctx, gl_api api);
112
113
114#endif /* STANDALONE_SCAFFOLDING_H */
115