func AttachShader(p Program, s Shader) {
defer func() {
errstr := errDrain()
log.Printf("gl.AttachShader(%v, %v) %v", p, s, errstr)
}()
C.glAttachShader(p.c(), s.c())
}
func createProgram(vertShaderSrc string, fragShaderSrc string) C.GLuint {
vertShader := loadShader(C.GL_VERTEX_SHADER, vertShaderSrc)
fragShader := loadShader(C.GL_FRAGMENT_SHADER, fragShaderSrc)
prog := C.glCreateProgram()
if prog == 0 {
panic("Failed to create shader program")
}
C.glAttachShader(prog, vertShader)
checkGLError()
C.glAttachShader(prog, fragShader)
checkGLError()
C.glLinkProgram(prog)
var linkStatus C.GLint
C.glGetProgramiv(prog, C.GL_LINK_STATUS, &linkStatus)
if linkStatus != C.GL_TRUE {
log := GetProgramInfoLog(prog)
panic(fmt.Errorf("Failed to link program: %v", log))
}
return prog
}
func AttachShader(p Program, s Shader) {
C.glAttachShader(p.c(), s.c())
}
func AttachShader(
program uint32, shader uint32) {
C.glAttachShader(
C.GLuint(program),
C.GLuint(shader))
}
// Attach attaches a shader object
func (p *Program) Attach(s Shader) {
C.glAttachShader(p.i, C.GLuint(s))
}
func (program *Program) AttachShader(shader Shader) {
C.glAttachShader(program.id, C.GLuint(shader))
program.shadersValid = false
}
// AttachShader attaches a shader object to a program object.
func (p Program) AttachShader(s Shader) {
C.glAttachShader(C.GLuint(p), C.GLuint(s))
}
func (program Program) AttachShader(shader Shader) {
C.glAttachShader(C.GLuint(program), C.GLuint(shader))
}