IABSD.fr/xenocara/dist/libepoxy/test/gl_version.c

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• Author : matthieu
  Date : 2020-01-26 13:45:49
  Hash : f3fa3831
  Message : Update to libepoxy 1.5.4. ok jsg@

• dist/libepoxy/test/gl_version.c

• /*
   * Copyright © 2018 Broadcom
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice (including the next
   * paragraph) shall be included in all copies or substantial portions of the
   * Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
   * IN THE SOFTWARE.
   */
  
  #include <stdio.h>
  #include <assert.h>
  #include "epoxy/gl.h"
  
  GLenum mock_enum;
  const char *mock_gl_version;
  const char *mock_glsl_version;
  
  static const GLubyte *override_glGetString(GLenum name)
  {
      switch (name) {
      case GL_VERSION:
          return (GLubyte *)mock_gl_version;
      case GL_SHADING_LANGUAGE_VERSION:
          return (GLubyte *)mock_glsl_version;
      default:
          assert(!"unexpected glGetString() enum");
          return 0;
      }
  }
  
  static bool
  test_version(const char *gl_string, int gl_version,
               const char *glsl_string, int glsl_version)
  {
      int epoxy_version;
  
      mock_gl_version = gl_string;
      mock_glsl_version = glsl_string;
  
      epoxy_version = epoxy_gl_version();
      if (epoxy_version != gl_version) {
          fprintf(stderr,
                  "glGetString(GL_VERSION) = \"%s\" returned epoxy_gl_version() "
                  "%d instead of %d\n", gl_string, epoxy_version, gl_version);
          return false;
      }
  
  
      epoxy_version = epoxy_glsl_version();
      if (epoxy_version != glsl_version) {
          fprintf(stderr,
                  "glGetString() = \"%s\" returned epoxy_glsl_version() "
                  "%d instead of %d\n", glsl_string, epoxy_version, glsl_version);
          return false;
      }
  
      return true;
  }
  
  int
  main(int argc, char **argv)
  {
      bool pass = true;
  
      epoxy_glGetString = override_glGetString;
  
      pass = pass && test_version("3.0 Mesa 13.0.6", 30,
                                  "1.30", 130);
      pass = pass && test_version("OpenGL ES 3.2 Mesa 18.3.0-devel", 32,
                                  "OpenGL ES GLSL ES 3.20", 320);
      pass = pass && test_version("4.5.0 NVIDIA 384.130", 45,
                                  "4.50", 450);
  
      return pass != true;
  }