Method TexSubImage2D

gl/3.2core/gl.go:1225–1235

https://www.opengl.org/sdk/docs/man3/xhtml/glTexSubImage2D.xml

(target glbase.Enum, level, xoffset, yoffset, width, height int, format, gltype glbase.Enum, pixels interface{})

// https://www.opengl.org/sdk/docs/man3/xhtml/glTexSubImage2D.xml
func (gl *GL) TexSubImage2D(target glbase.Enum, level, xoffset, yoffset, width, height int, format, gltype glbase.Enum, pixels interface{}) {
	var pixels_ptr unsafe.Pointer
	var pixels_v = reflect.ValueOf(pixels)
	if pixels != nil && pixels_v.Kind() != reflect.Slice {
		panic("parameter pixels must be a slice")
	}
	if pixels != nil {
		pixels_ptr = unsafe.Pointer(pixels_v.Index(0).Addr().Pointer())
	}
	C.gl3_2core_glTexSubImage2D(gl.funcs, C.GLenum(target), C.GLint(level), C.GLint(xoffset), C.GLint(yoffset), C.GLsizei(width), C.GLsizei(height), C.GLenum(format), C.GLenum(gltype), pixels_ptr)
}

// https://www.opengl.org/sdk/docs/man3/xhtml/glTexSubImage1D.xml
func (gl *GL) TexSubImage1D(target glbase.Enum, level, xoffset, width int, format, gltype glbase.Enum, pixels interface{}) {