Add some external dependencies.

extern/pvrtextool/Include/PVRTextureFormat.h

@@ -0,0 +1,90 @@
+/******************************************************************************
+
+ @File         PVRTextureFormat.h
+
+ @Title        
+
+ @Version      
+
+ @Copyright    Copyright (c) Imagination Technologies Limited. All Rights Reserved. Strictly Confidential.
+
+ @Platform     
+
+ @Description  
+
+******************************************************************************/
+#ifndef _PVRT_PIXEL_FORMAT_H
+#define _PVRT_PIXEL_FORMAT_H
+
+#include "PVRTextureDefines.h"
+//ACS: removed unneccesary includes:
+//#include "PVRTString.h"
+
+namespace pvrtexture
+{
+	//Channel Names
+	enum EChannelName
+	{
+		eNoChannel,
+		eRed,
+		eGreen,
+		eBlue,
+		eAlpha,
+		eLuminance,
+		eIntensity,
+		eUnspecified,
+		eNumChannels
+	};
+
+	//PixelType union
+	union PVR_DLL PixelType
+	{
+		/*!***********************************************************************
+		 @Function		PixelType
+		 @Return		A new PixelType
+		 @Description	Creates an empty pixeltype.
+		*************************************************************************/
+		PixelType();
+
+		/*!***********************************************************************
+		 @Function		PixelType
+		 @Input			Type
+		 @Return		A new PixelType
+		 @Description	Initialises a new pixel type from a 64 bit integer value.
+		*************************************************************************/
+		PixelType(uint64 Type);
+
+		/*!***********************************************************************
+		 @Function		PixelType
+		 @Input			C1Name
+		 @Input			C2Name
+		 @Input			C3Name
+		 @Input			C4Name
+		 @Input			C1Bits
+		 @Input			C2Bits
+		 @Input			C3Bits
+		 @Input			C4Bits
+		 @Return		A new PixelType
+		 @Description	Takes up to 4 characters (CnName) and 4 values (CnBits) 
+						to create a new PixelType. Any unused channels should be set to 0.
+						For example: PixelType('r','g','b',0,8,8,8,0);
+		*************************************************************************/
+		PixelType(uint8 C1Name, uint8 C2Name, uint8 C3Name, uint8 C4Name, uint8 C1Bits, uint8 C2Bits, uint8 C3Bits, uint8 C4Bits);
+
+		struct PVR_DLL LowHigh
+		{
+			uint32	Low;
+			uint32	High;
+		} Part;
+
+		uint64	PixelTypeID;
+		uint8	PixelTypeChar[8];
+	};
+
+	static const PixelType PVRStandard8PixelType = PixelType('r','g','b','a',8,8,8,8);
+	static const PixelType PVRStandard16PixelType = PixelType('r','g','b','a',16,16,16,16);
+	static const PixelType PVRStandard32PixelType = PixelType('r','g','b','a',32,32,32,32);
+}
+
+#endif
+