src/compiler/glsl/standalone_scaffolding.h

   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
  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_index16 state[STATE_LENGTH]);
  73
  74
  75 extern "C" char *
  76 _mesa_program_state_string(const gl_state_index16 state[STATE_LENGTH]);
  77
  78 static 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  */
 108 void initialize_context_to_defaults(struct gl_context *ctx, gl_api api);
 109
 110
 111 #endif /* STANDALONE_SCAFFOLDING_H */