1 files changed, 65 insertions, 0 deletions

diff --git a/thirdparty/pvrtccompressor/PvrTcPacket.h b/thirdparty/pvrtccompressor/PvrTcPacket.h
new file mode 100644
index 000000000..ac3b6a4dd
--- /dev/null
+++ b/thirdparty/pvrtccompressor/PvrTcPacket.h
@@ -0,0 +1,65 @@
+//============================================================================
+//
+// Modulation data specifies weightings of colorA to colorB for each pixel
+//
+// For mode = 0
+//	00: 0/8
+//  01: 3/8
+//  10: 5/8
+//  11: 8/8
+//
+// For mode = 1
+//  00: 0/8
+//  01: 4/8
+//  10: 4/8 with alpha punchthrough
+//  11: 8/8
+//
+// For colorIsOpaque=0
+//  3 bits A
+//  4 bits R
+//  4 bits G
+//  3/4 bits B
+//
+// For colorIsOpaque=1
+//  5 bits R
+//  5 bits G
+//  4/5 bits B
+//
+//============================================================================
+
+#pragma once
+#include "ColorRgba.h"
+
+//============================================================================
+
+namespace Javelin
+{
+//============================================================================
+
+	struct PvrTcPacket
+	{
+		unsigned int    modulationData;
+		unsigned        usePunchthroughAlpha : 1;
+		unsigned        colorA          	 : 14;
+		unsigned        colorAIsOpaque  	 : 1;
+		unsigned        colorB        		 : 15;
+		unsigned        colorBIsOpaque  	 : 1;
+		
+		ColorRgb<int> GetColorRgbA() const;
+		ColorRgb<int> GetColorRgbB() const;
+		ColorRgba<int> GetColorRgbaA() const;
+		ColorRgba<int> GetColorRgbaB() const;
+		
+		void SetColorA(const ColorRgb<unsigned char>& c);
+		void SetColorB(const ColorRgb<unsigned char>& c);
+
+		void SetColorA(const ColorRgba<unsigned char>& c);
+		void SetColorB(const ColorRgba<unsigned char>& c);
+		
+		static const unsigned char BILINEAR_FACTORS[16][4];
+		static const unsigned char WEIGHTS[8][4];
+	};
+
+//============================================================================
+} // namespace Javelin
+//============================================================================