diff --git a/rpcs3/Emu/RSX/GCM.h b/rpcs3/Emu/RSX/GCM.h
index 7b88c5e3d2..180a24947e 100644
--- a/rpcs3/Emu/RSX/GCM.h
+++ b/rpcs3/Emu/RSX/GCM.h
@@ -180,6 +180,43 @@ enum
 
 };
 
+enum
+{
+	// Transfer operations
+	CELL_GCM_TRANSFER_OPERATION_SRCCOPY_AND     = 0,
+	CELL_GCM_TRANSFER_OPERATION_ROP_AND         = 1,
+	CELL_GCM_TRANSFER_OPERATION_BLEND_AND       = 2,
+	CELL_GCM_TRANSFER_OPERATION_SRCCOPY         = 3,
+	CELL_GCM_TRANSFER_OPERATION_SRCCOPY_PREMULT = 4,
+	CELL_GCM_TRANSFER_OPERATION_BLEND_PREMULT   = 5,
+
+	CELL_GCM_TRANSFER_ORIGIN_CENTER = 1,
+	CELL_GCM_TRANSFER_ORIGIN_CORNER = 2,
+
+	CELL_GCM_TRANSFER_INTERPOLATOR_ZOH = 0,
+	CELL_GCM_TRANSFER_INTERPOLATOR_FOH = 1,
+
+	// Destination Format conversions
+	CELL_GCM_TRANSFER_SURFACE_FORMAT_R5G6B5   = 4,
+	CELL_GCM_TRANSFER_SURFACE_FORMAT_A8R8G8B8 = 10,
+	CELL_GCM_TRANSFER_SURFACE_FORMAT_Y32      = 11,
+
+	// Source Format conversions
+	CELL_GCM_TRANSFER_SCALE_FORMAT_A1R5G5B5         = 1,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_X1R5G5B5         = 2,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_A8R8G8B8         = 3,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_X8R8G8B8         = 4,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_CR8YB8CB8YA8     = 5,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_YB8CR8YA8CB8     = 6,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_R5G6B5           = 7,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_Y8               = 8,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_AY8              = 9,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_EYB8ECR8EYA8ECB8 = 10,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_ECR8EYB8ECB8EYA8 = 11,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_A8B8G8R8         = 12,
+	CELL_GCM_TRANSFER_SCALE_FORMAT_X8B8G8R8         = 13,
+};
+
 enum
 {
 	CELL_GCM_TEXTURE_UNSIGNED_REMAP_NORMAL = 0,