src/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 #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_stage
  52 _mesa_shader_enum_to_shader_stage(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    case GL_COMPUTE_SHADER:
  62       return MESA_SHADER_COMPUTE;
  63    default:
  64       assert(!"bad value in _mesa_shader_enum_to_shader_stage()");
  65       return MESA_SHADER_VERTEX;
  66    }
  67 }
  68
  69 /**
  70  * Initialize the given gl_context structure to a reasonable set of
  71  * defaults representing the minimum capabilities required by the
  72  * OpenGL spec.
  73  *
  74  * This is used when compiling builtin functions and in testing, when
  75  * we don't have a connection to an actual driver.
  76  */
  77 void initialize_context_to_defaults(struct gl_context *ctx, gl_api api);
  78
  79
  80 #endif /* STANDALONE_SCAFFOLDING_H */