void ShaderProgram::InitShader(string vertexFile, string fragmentFile)
{
// Create vertex shader
vertexShader = new Shader(GL_VERTEX_SHADER, vertexFile);
// Create fragment shader
fragmentShader = new Shader(GL_FRAGMENT_SHADER, fragmentFile);
/* Shader program*/
programID = glCreateProgram();
/* Attach and link */
glAttachShader(programID, vertexShader->GetShaderID());
glAttachShader(programID, fragmentShader->GetShaderID());
// BIND ATTRib
BindAllAttributes();
// LINK and VALIDATE
glLinkProgram(programID);
glValidateProgram(programID);
/* Check for any error */
GLint status;
glGetProgramiv(programID, GL_LINK_STATUS, &status);
if(status == 0){
GLchar infoLog[512];
glGetProgramInfoLog(programID, 512, NULL, infoLog);
std::cout<<"SHADER PROGRAM LINK FAILED\n"
<<infoLog<<std::endl;
exit(5);
}
// Get uniform location
GetAllUniformLocations();
}
TextShader::TextShader() : ShaderProgram("src/shaders/vert_text.glsl", "src/shaders/frag_text.glsl") {
GetAllUniformLocations();
}
TerrainShader::TerrainShader()
: ShaderProgram("../res/shaders/terrainShader")
{
BindAttributes();
GetAllUniformLocations();
}
