// PrintLog prints the error log for an object
func PrintLog(object uint32) {
var logLength int32
if gl.IsShader(object) {
gl.GetShaderiv(object, gl.INFO_LOG_LENGTH, &logLength)
} else if gl.IsProgram(object) {
gl.GetProgramiv(object, gl.INFO_LOG_LENGTH, &logLength)
} else {
log.Fatal("PrintLog: not a shader or program")
}
infoLog := strings.Repeat("\x00", int(logLength+1))
if gl.IsShader(object) {
gl.GetShaderInfoLog(object, logLength, nil, gl.Str(infoLog))
} else if gl.IsProgram(object) {
gl.GetProgramInfoLog(object, logLength, nil, gl.Str(infoLog))
}
log.Fatal(infoLog)
}
func (c *Context) DeleteProgram(p Program) {
_ = c.runOnContextThread(func() error {
if !gl.IsProgram(uint32(p)) {
return nil
}
gl.DeleteProgram(uint32(p))
return nil
})
}
// IsProgram reports if p is a valid program object.
//
// http://www.khronos.org/opengles/sdk/docs/man3/html/glIsProgram.xhtml
func IsProgram(p Program) bool {
return gl.IsProgram(p.Value)
}