diff --git a/common/com_image.h b/common/com_image.h
index 33a0f812..1975032d 100644
--- a/common/com_image.h
+++ b/common/com_image.h
@@ -10,6 +10,7 @@ NOTE: number at end of pixelformat name it's a total bitscount e.g. PF_RGB_24 ==
 */
 #define ImageRAW( type )	(type == PF_RGBA_32 || type == PF_BGRA_32 || type == PF_RGB_24 || type == PF_BGR_24 || type == PF_LUMINANCE)
 #define ImageDXT( type )	(type == PF_DXT1 || type == PF_DXT3 || type == PF_DXT5 || type == PF_ATI2)
+#define Image16( type )	(type == PF_RGBA_64 || type == PF_RGB_48)
 
 typedef enum
 {
@@ -25,6 +26,8 @@ typedef enum
 	PF_DXT3,		// s3tc DXT3 format
 	PF_DXT5,		// s3tc DXT5 format
 	PF_ATI2,		// latc ATI2N format
+	PF_RGBA_64,		// 16-bit RGBA
+	PF_RGB_48,		// 16-bit RGB
 	PF_TOTALCOUNT,	// must be last
 } pixformat_t;
 
diff --git a/engine/common/imagelib/img_main.c b/engine/common/imagelib/img_main.c
index 70e67ce1..8db2df06 100644
--- a/engine/common/imagelib/img_main.c
+++ b/engine/common/imagelib/img_main.c
@@ -71,7 +71,7 @@ static const cubepack_t load_cubemap[] =
 };
 
 // soul of ImageLib - table of image format constants
-const bpc_desc_t PFDesc[] =
+const bpc_desc_t PFDesc[PF_TOTALCOUNT] =
 {
 { PF_UNKNOWN,	"raw",	0x1908, 0 },
 { PF_INDEXED_24,	"pal 24",	0x1908, 1 },
@@ -85,6 +85,8 @@ const bpc_desc_t PFDesc[] =
 { PF_DXT3,	"DXT 3",	0x83F2, 4 },
 { PF_DXT5,	"DXT 5",	0x83F3, 4 },
 { PF_ATI2,	"ATI 2",	0x8837, 4 },
+{ PF_RGBA_64,	"RGBA 64",	0x1908, 8 },
+{ PF_RGB_48,	"RGB 48",	0x1908, 6 },
 };
 
 void Image_Reset( void )