func VertexShader(s string) uint32 {
shader := gl.CreateShader(gl.VERTEX_SHADER)
gl.ShaderSource(shader, 1, &s, nil)
gl.CompileShader(shader)
var stat int32
gl.GetShaderiv(shader, gl.COMPILE_STATUS, &stat)
if stat == 0 {
showLog(shader)
log.Fatalln("Vertex shader compiler error ", stat)
}
return shader
}
func FragmentShader(s string) uint32 {
shader := gl.CreateShader(gl.FRAGMENT_SHADER)
gl.ShaderSource(shader, 1, &s, nil)
gl.CompileShader(shader)
var stat int32
gl.GetShaderiv(shader, gl.COMPILE_STATUS, &stat)
if stat == 0 {
showLog(shader)
log.Fatalln("Fragment shader compile error ", stat)
}
return shader
}