/// <summary>
/// Loads the shader from source file.
/// </summary>
/// <param name="file">Path to the source file.</param>
/// <param name="type">Type of shader (VERTEX/FRAGMENT SHADER).</param>
/// <returns>Shader ID</returns>
GLuint Shader::LoadShader(const ustring & file, GLuint type)
{
std::ifstream input;
input.exceptions(std::ifstream::failbit | std::ifstream::badbit);
std::string srcCode;
try
{
input.open(file.c_str());
srcCode.assign((std::istreambuf_iterator<char>(input)), (std::istreambuf_iterator<char>()));
}
catch (std::ifstream::failure e)
{
ucout << "Could not read shader file!\n";
}
GLuint sID = glCreateShader(type);
const char * code = srcCode.c_str();
glShaderSource(sID, 1, (const GLchar**)&code, NULL);
glCompileShader(sID);
ValidateCompile(sID);
return sID;
}
bool GLShader::LoadShader(const GLchar* source)
{
GLenum type = GLShaderType(m_info.type);
if (type == GL_NONE) {
DebugPrintF(VTEXT("Failed to Load Shader due to invalid type\n"));
return false;
}
/*create shader object*/
m_shader = glCreateShader(type);
/*put shader source into memory*/
glShaderSource(m_shader, 1, &source, NULL);
/*cleanup allocated source*/
/*compile shader*/
glCompileShader(m_shader);
return ValidateCompile(m_shader);
}
