Shader *ShadersManager::createShader(const unsigned int type,
const std::string &fileName)
{
const std::string str = Files::loadTextFileString(fileName);
const char *ptrStr = str.c_str();
GLuint shaderId = mglCreateShader(type);
mglShaderSource(shaderId, 1, &ptrStr, nullptr);
mglCompileShader(shaderId);
GLint isCompiled = 0;
mglGetShaderiv(shaderId, GL_COMPILE_STATUS, &isCompiled);
if (isCompiled == GL_TRUE)
return new Shader(shaderId);
GLint len = 0;
mglGetShaderiv(shaderId, GL_INFO_LOG_LENGTH, &len);
char *buf = new char[CAST_SIZE(len) + 1];
mglGetShaderInfoLog(shaderId, len, &len, buf);
buf[len] = 0;
logger->log("Shader '%s' compilation error: %s", fileName.c_str(), buf);
delete [] buf;
mglDeleteShader(shaderId);
return nullptr;
}
Shader::~Shader()
{
if (mShaderId)
mglDeleteShader(mShaderId);
}
