libigl_Martin/include/igl/compile_shader.cpp

#include "compile_shader.h"
#include "report_gl_error.h"
#include <iostream>

IGL_INLINE GLuint igl::compile_shader(const GLint type, const char * str)
{
  GLuint id = glCreateShader(type);
  igl::report_gl_error("glCreateShader: ");
  glShaderSource(id,1,&str,NULL);
  igl::report_gl_error("glShaderSource: ");
  glCompileShader(id);
  igl::report_gl_error("glCompileShader: ");

  GLint status;
  glGetShaderiv(id, GL_COMPILE_STATUS, &status);
  if (status != GL_TRUE)
  {
    char buffer[512];
    if (type == GL_VERTEX_SHADER)
      std::cerr << "Vertex shader:" << std::endl;
    else if (type == GL_FRAGMENT_SHADER)
      std::cerr << "Fragment shader:" << std::endl;
    std::cerr << str << std::endl << std::endl;
    glGetShaderInfoLog(id, 512, NULL, buffer);
    std::cerr << "Error: " << std::endl << buffer << std::endl;
  }
  return id;
}