Function createShader

gles3jni/app/src/main/cpp/gles3jni.cpp:43–71

}

GLuint createShader(GLenum shaderType, const char* src) {
  GLuint shader = glCreateShader(shaderType);
  if (!shader) {
    checkGlError("glCreateShader");
    return 0;
  }
  glShaderSource(shader, 1, &src, NULL);

  GLint compiled = GL_FALSE;
  glCompileShader(shader);
  glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
  if (!compiled) {
    GLint infoLogLen = 0;
    glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLogLen);
    if (infoLogLen > 0) {
      GLchar* infoLog = (GLchar*)malloc(infoLogLen);
      if (infoLog) {
        glGetShaderInfoLog(shader, infoLogLen, NULL, infoLog);
        ALOGE("Could not compile %s shader:\n%s\n",
              shaderType == GL_VERTEX_SHADER ? "vertex" : "fragment", infoLog);
        free(infoLog);
      }
    }
    glDeleteShader(shader);
    return 0;
  }

  return shader;
}

GLuint createProgram(const char* vtxSrc, const char* fragSrc) {
  GLuint vtxShader = 0;