diff --git a/src/window.h b/src/window.h
index 785dc89..d5b6c7e 100644
--- a/src/window.h
+++ b/src/window.h
@@ -34,12 +34,13 @@ extern int SLSSpaceGetType(int cid, uint64_t sid);
 
 extern CGError SLSAddSurface(int cid, uint32_t wid, uint32_t* outSID);
 extern CGError SLSRemoveSurface(int cid, uint32_t wid, uint32_t sid);
-extern CGError SLSBindSurface(int cid, uint32_t wid, uint32_t sid, int x, int y, CGContextRef ctx);
+extern CGError SLSBindSurface(int cid, uint32_t wid, uint32_t sid, int param1, int param2, unsigned int context_id);
 extern CGError SLSSetSurfaceBounds(int cid, uint32_t wid, uint32_t sid, CGRect bounds);
 extern CGError SLSSetSurfaceOpacity(int cid, uint32_t wid, uint32_t sid, bool opaque);
-extern CGError SLSOrderSurface(int cid, uint32_t wid, uint32_t surface, uint32_t other_surface, int order);
+extern CGError SLSOrderSurface(int cid, uint32_t wid, uint32_t surface, int mode, uint32_t other_surface);
 extern CGError SLSSetSurfaceResolution(int cid, uint32_t wid, uint32_t sid, CGFloat scale);
 extern CGError SLSFlushSurface(int cid, uint32_t wid, uint32_t surface, int param);
+extern CGError SLSSetSurfaceColorSpace(int cid, uint32_t wid, uint32_t surface, CGColorSpaceRef color_space);
 
 #define kCGSHighQualityResamplingTagBit (1ULL <<  4)
 #define kCGSStickyTagBit                (1ULL << 11)