filter:2:47: error: excess elements in vector initializer
  return img.a * mix(c0, c1, dot(img.rgb, vec3(0,000000e+00, 0,000000e+00, 0,000000e+00)));
                                              ^                ~~~~~~~~~~
filter:1:6: error: non-void function should return a value
vec4 _falseColor(vec4 img, vec4 c0, vec4 c1) {
     ^
** OpenCL Error Notification: [CL_DEVICE_NOT_AVAILABLE] : OpenCL Error : Error: build program driver returned (-3) **
** OpenCL Error Notification: OpenCL Warning : clBuildProgram failed: could not build program for 0xffffffff (Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz) (err:-3) **
** OpenCL Error Notification: [CL_BUILD_ERROR] : OpenCL Build Error : Compiler build log:
No kernels or only kernel prototypes found when build executable.
 **
Native OpenCL program build failed:
No kernels or only kernel prototypes found when build executable.Kernel source code =
#define premain__ci_unpremul__falseColor__sourceOut__ci_clamp_to_alpha_highp /**/
#define lowp /**/
#define sampler2D sampler2DRect
#define texture2D texture2DRect
// An error occurred, see stderr for the error message
Unable to compile kernel. Not rendering.