text: /*
  Copyright (c) 2012, Broadcom Europe Ltd
  All rights reserved.
  
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:
      * Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.
      * Redistributions in binary form must reproduce the above copyright
        notice, this list of conditions and the following disclaimer in the
        documentation and/or other materials provided with the distribution.
      * Neither the name of the copyright holder nor the
        names of its contributors may be used to endorse or promote products
        derived from this software without specific prior written permission.
  
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
  #if defined(KHRN_IMPL_STRUCT)
  #define FN(type, name, args) type (*name) args;
  #elif defined(KHRN_IMPL_STRUCT_INIT)
  #define FN(type, name, args) name,
  #else
  #define FN(type, name, args) extern type name args;
  #endif
  
  //gl 2.0 specific
  FN(void, glAttachShader_impl_20, (GLuint program, GLuint shader))
  FN(void, glBindAttribLocation_impl_20, (GLuint program, GLuint index, const char *name))
  FN(void, glBlendColor_impl_20, (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha)) // S
  FN(void, glBlendEquationSeparate_impl_20, (GLenum modeRGB, GLenum modeAlpha)) // S
  FN(GLuint, glCreateProgram_impl_20, (void))
  FN(GLuint, glCreateShader_impl_20, (GLenum type))
  FN(void, glDeleteProgram_impl_20, (GLuint program))
  FN(void, glDeleteShader_impl_20, (GLuint shader))
  FN(void, glDetachShader_impl_20, (GLuint program, GLuint shader))
  //FN(void, glDisableVertexAttribArray_impl_20, (GLuint index))
  //FN(void, glEnableVertexAttribArray_impl_20, (GLuint index))
  FN(void, glGetActiveAttrib_impl_20, (GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, char *name))
  FN(void, glGetActiveUniform_impl_20, (GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, char *name))
  FN(void, glGetAttachedShaders_impl_20, (GLuint program, GLsizei maxcount, GLsizei *count, GLuint *shaders))
  FN(int, glGetAttribLocation_impl_20, (GLuint program, const char *name))
  FN(int, glGetProgramiv_impl_20, (GLuint program, GLenum pname, GLint *params))
  FN(void, glGetProgramInfoLog_impl_20, (GLuint program, GLsizei bufsize, GLsizei *length, char *infolog))
  FN(int, glGetUniformfv_impl_20, (GLuint program, GLint location, GLfloat *params))
  FN(int, glGetUniformiv_impl_20, (GLuint program, GLint location, GLint *params))
  FN(int, glGetUniformLocation_impl_20, (GLuint program, const char *name))
  //FN(void, glGetVertexAttribfv_impl_20, (GLuint index, GLenum pname, GLfloat *params))
  //FN(void, glGetVertexAttribiv_impl_20, (GLuint index, GLenum pname, GLint *params))
  //FN(void, glGetVertexAttribPointerv_impl_20, (GLuint index, GLenum pname, void **pointer))
  FN(GLboolean, glIsProgram_impl_20, (GLuint program))
  FN(GLboolean, glIsShader_impl_20, (GLuint shader))
  FN(void, glLinkProgram_impl_20, (GLuint program))
  FN(void, glPointSize_impl_20, (GLfloat size)) // S
  FN(void, glUniform1i_impl_20, (GLint location, GLint x))
  FN(void, glUniform2i_impl_20, (GLint location, GLint x, GLint y))
  FN(void, glUniform3i_impl_20, (GLint location, GLint x, GLint y, GLint z))
  FN(void, glUniform4i_impl_20, (GLint location, GLint x, GLint y, GLint z, GLint w))
  FN(void, glUniform1f_impl_20, (GLint location, GLfloat x))
  FN(void, glUniform2f_impl_20, (GLint location, GLfloat x, GLfloat y))
  FN(void, glUniform3f_impl_20, (GLint location, GLfloat x, GLfloat y, GLfloat z))
  FN(void, glUniform4f_impl_20, (GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w))
  FN(void, glUniform1iv_impl_20, (GLint location, GLsizei count, int size, const GLint *v))
  FN(void, glUniform2iv_impl_20, (GLint location, GLsizei count, int size, const GLint *v))
  FN(void, glUniform3iv_impl_20, (GLint location, GLsizei count, int size, const GLint *v))
  FN(void, glUniform4iv_impl_20, (GLint location, GLsizei count, int size, const GLint *v))
  FN(void, glUniform1fv_impl_20, (GLint location, GLsizei count, int size, const GLfloat *v))
  FN(void, glUniform2fv_impl_20, (GLint location, GLsizei count, int size, const GLfloat *v))
  FN(void, glUniform3fv_impl_20, (GLint location, GLsizei count, int size, const GLfloat *v))
  FN(void, glUniform4fv_impl_20, (GLint location, GLsizei count, int size, const GLfloat *v))
  FN(void, glUniformMatrix2fv_impl_20, (GLint location, GLsizei count, GLboolean transpose, int size, const GLfloat *value))
  FN(void, glUniformMatrix3fv_impl_20, (GLint location, GLsizei count, GLboolean transpose, int size, const GLfloat *value))
  FN(void, glUniformMatrix4fv_impl_20, (GLint location, GLsizei count, GLboolean transpose, int size, const GLfloat *value))
  FN(void, glUseProgram_impl_20, (GLuint program)) // S
  FN(void, glValidateProgram_impl_20, (GLuint program))
  //FN(void, glVertexAttrib1f_impl_20, (GLuint indx, GLfloat x))
  //FN(void, glVertexAttrib2f_impl_20, (GLuint indx, GLfloat x, GLfloat y))
  //FN(void, glVertexAttrib3f_impl_20, (GLuint indx, GLfloat x, GLfloat y, GLfloat z))
  //FN(void, glVertexAttrib4f_impl_20, (GLuint indx, GLfloat x, GLfloat y, GLfloat z, GLfloat w))
  //FN(void, glVertexAttrib1fv_impl_20, (GLuint indx, const GLfloat *values))
  //FN(void, glVertexAttrib2fv_impl_20, (GLuint indx, const GLfloat *values))
  //FN(void, glVertexAttrib3fv_impl_20, (GLuint indx, const GLfloat *values))
  //FN(void, glVertexAttrib4fv_impl_20, (GLuint indx, const GLfloat *values))
  
  /* OES_shader_source */
  FN(void, glCompileShader_impl_20, (GLuint shader))
  FN(int, glGetShaderiv_impl_20, (GLuint shader, GLenum pname, GLint *params))
  FN(void, glGetShaderInfoLog_impl_20, (GLuint shader, GLsizei bufsize, GLsizei *length, char *infolog))
  FN(void, glGetShaderSource_impl_20, (GLuint shader, GLsizei bufsize, GLsizei *length, char *source))
  FN(void, glShaderSource_impl_20, (GLuint shader, GLsizei count, const char **string, const GLint *length))
  //FN(void, glGetShaderPrecisionFormat_impl_20, (GLenum shadertype, GLenum precisiontype, GLint *range, GLint *precision))
  FN(void, glGetShaderPrecisionFormat_impl_20, (GLenum shadertype, GLenum precisiontype, GLint *result))
  
  /*****************************************************************************************/
  /*                                 OES extension functions                               */
  /*****************************************************************************************/
  
  //gl 2.0 specific
  
  //FN(void, glVertexAttribPointer_impl_20, (GLuint indx))
  
  #if GL_OES_EGL_image
  FN(void, glEGLImageTargetRenderbufferStorageOES_impl_20, (GLenum target, GLeglImageOES image))
  #if EGL_BRCM_global_image
  FN(void, glGlobalImageRenderbufferStorageOES_impl_20, (GLenum target, GLuint id_0, GLuint id_1))
  #endif
  #endif
  
  #undef FN
  