func DeleteShader(s Shader) {
defer func() {
errstr := errDrain()
log.Printf("gl.DeleteShader(%v) %v", s, errstr)
}()
C.glDeleteShader(s.c())
}
// NewShader creates a shader object of type typ, loads it with source code src and compiles it
func NewShader(typ int, src string) (Shader, error) {
var val C.GLint
shad := C.glCreateShader(C.GLenum(typ))
s := (*C.GLchar)(C.CString(src))
C.glShaderSource(shad, 1, &s, nil)
C.glCompileShader(shad)
C.glGetShaderiv(shad, COMPILE_STATUS, &val)
if val != TRUE {
C.glGetShaderiv(shad, INFO_LOG_LENGTH, &val)
buf := make([]C.GLchar, val+1)
C.glGetShaderInfoLog(shad, C.GLsizei(val), nil, &buf[0])
C.glDeleteShader(shad)
return Shader(0), errors.New(C.GoString((*C.char)(&buf[0])))
}
return Shader(shad), nil
}
func DeleteShader(s Shader) {
C.glDeleteShader(s.c())
}
func DeleteShader(
shader uint32) {
C.glDeleteShader(
C.GLuint(shader))
}
func (shader Shader) Delete() { C.glDeleteShader(C.GLuint(shader)) }