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  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.  
  37. extern "C" void
  38. _mesa_warning(struct gl_context *ctx, const char *fmtString, ... );
  39.  
  40. extern "C" void
  41. _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
  42.                        struct gl_shader *sh);
  43.  
  44. extern "C" struct gl_shader *
  45. _mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type);
  46.  
  47. extern "C" void
  48. _mesa_shader_debug(struct gl_context *ctx, GLenum type, GLuint *id,
  49.                    const char *msg, int len);
  50.  
  51. static inline gl_shader_type
  52. _mesa_shader_type_to_index(GLenum v)
  53. {
  54.    switch (v) {
  55.    case GL_VERTEX_SHADER:
  56.       return MESA_SHADER_VERTEX;
  57.    case GL_FRAGMENT_SHADER:
  58.       return MESA_SHADER_FRAGMENT;
  59.    case GL_GEOMETRY_SHADER:
  60.       return MESA_SHADER_GEOMETRY;
  61.    default:
  62.       assert(!"bad value in _mesa_shader_type_to_index()");
  63.       return MESA_SHADER_TYPES;
  64.    }
  65. }
  66.  
  67. /**
  68.  * Initialize the given gl_context structure to a reasonable set of
  69.  * defaults representing the minimum capabilities required by the
  70.  * OpenGL spec.
  71.  *
  72.  * This is used when compiling builtin functions and in testing, when
  73.  * we don't have a connection to an actual driver.
  74.  */
  75. void initialize_context_to_defaults(struct gl_context *ctx, gl_api api);
  76.  
  77.  
  78. #endif /* STANDALONE_SCAFFOLDING_H */
  79.