1 files changed, 0 insertions, 151 deletions
diff --git a/lib/libsquish/extra/squishgen.cpp b/lib/libsquish/extra/squishgen.cpp
deleted file mode 100644
index d7d1ee0d90..0000000000
--- a/lib/libsquish/extra/squishgen.cpp
+++ /dev/null
@@ -1,151 +0,0 @@
-/* -----------------------------------------------------------------------------
-
-	Copyright (c) 2006 Simon Brown                          si@sjbrown.co.uk
-
-	Permission is hereby granted, free of charge, to any person obtaining
-	a copy of this software and associated documentation files (the 
-	"Software"), to	deal in the Software without restriction, including
-	without limitation the rights to use, copy, modify, merge, publish,
-	distribute, sublicense, and/or sell copies of the Software, and to 
-	permit persons to whom the Software is furnished to do so, subject to 
-	the following conditions:
-
-	The above copyright notice and this permission notice shall be included
-	in all copies or substantial portions of the Software.
-
-	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-	OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
-	MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-	IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
-	CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
-	TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
-	SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-	
-   -------------------------------------------------------------------------- */
-   
-#include <iostream>
-
-struct SourceBlock
-{
-	int start;
-	int end;
-	int error;
-};
-
-struct TargetValue
-{
-	SourceBlock sources[2];
-};
-
-static void GenerateData( std::string const& name, int bits, int colours )
-{
-	TargetValue values[256];
-	
-	// initialise the data
-	for( int target = 0; target < 256; ++target )
-		for( int index = 0; index < colours; ++index )
-			values[target].sources[index].error = 255;	
-
-	// loop over all possible source points
-	int count = ( 1 << bits );
-	for( int value1 = 0; value1 < count; ++value1 )
-	{
-		for( int value2 = 0; value2 < count; ++value2 )
-		{
-			// compute the 8-bit endpoints
-			int a = ( value1 << ( 8 - bits ) ) | ( value1 >> ( 2*bits - 8 ) );
-			int b = ( value2 << ( 8 - bits ) ) | ( value2 >> ( 2*bits - 8 ) );
-			
-			// fill in the codebook with the these and intermediates
-			int codes[2];
-			codes[0] = a;
-			if( colours == 3 )
-				codes[1] = ( a + b )/2;
-			else
-				codes[1] = ( 2*a + b )/3;
-			
-			// mark each target point with the endpoints and index needed for it
-			for( int index = 0; index < 2; ++index )
-			{
-				int target = codes[index];
-				
-				SourceBlock& block = values[target].sources[index];
-				if( block.error != 0 )
-				{
-					block.start = value1;
-					block.end = value2;
-					block.error = 0;
-				}
-			}
-		}
-	}
-	
-	// iteratively fill in the missing values
-	for( ;; )
-	{
-		bool stable = true;
-		for( int index = 0; index < 2; ++index )
-		{
-			for( int target = 0; target < 256; ++target )
-			{
-				if( target != 255 )
-				{
-					SourceBlock& current = values[target].sources[index];
-					SourceBlock& next = values[target + 1].sources[index];
-					if( current.error > next.error + 1 )
-					{
-						current.start = next.start;
-						current.end = next.end;
-						current.error = next.error + 1;
-						stable = false;
-					}
-				}
-				if( target != 0 )
-				{
-					SourceBlock& current = values[target].sources[index];
-					SourceBlock& previous = values[target - 1].sources[index];
-					if( current.error > previous.error + 1 )
-					{
-						current.start = previous.start;
-						current.end = previous.end;
-						current.error = previous.error + 1;
-						stable = false;
-					}
-				}
-			}
-		}
-		if( stable )
-			break;
-	}
-	
-	// debug
-	std::cout << "\nstatic SingleColourLookup const " << name << "[] = \n{\n"; 
-	for( int i = 0;; )
-	{
-		std::cout << "\t{ { ";
-		for( int j = 0;; )
-		{
-			SourceBlock const& block = values[i].sources[j];
-			if( j < colours )
-				std::cout << "{ " << block.start << ", " << block.end << ", " << block.error << " }";
-			else
-				std::cout << "{ 0, 0, 0 }";
-			if( ++j == 2 )
-				break;
-			std::cout << ", ";
-		}
-		std::cout << " } }";
-		if( ++i == 256 )
-			break;
-		std::cout << ",\n";
-	}
-	std::cout << "\n};\n";
-}
-
-int main()
-{
-	GenerateData( "lookup_5_3", 5, 3 );
-	GenerateData( "lookup_6_3", 6, 3 );
-	GenerateData( "lookup_5_4", 5, 4 );
-	GenerateData( "lookup_6_4", 6, 4 );
-}