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Made SSE filters configurable

--- a/dumb/src/it/itrender.c

+++ b/dumb/src/it/itrender.c

@@ -738,14 +738,20 @@

     state->currsample = currsample;

     state->prevsample = prevsample;

 }

-

-#define it_filter it_filter_sse

-

-#else

-#define it_filter it_filter_int

 #endif

 #undef LOG10

+

+int _dumb_it_use_sse = 0;

+

+static void it_filter(DUMB_CLICK_REMOVER *cr, IT_FILTER_STATE *state, sample_t *dst, long pos, sample_t *src, long size, int step, int sampfreq, int cutoff, int resonance)

+{

+#if defined(_USE_SSE)

+	if ( _dumb_it_use_sse ) it_filter_sse( cr, state, dst, pos, src, size, step, sampfreq, cutoff, resonance );

+	else

+#endif

+	it_filter_int( cr, state, dst, pos, src, size, step, sampfreq, cutoff, resonance );

+}

--- a/dumb/vc6/dumb/dumb.vcxproj

+++ b/dumb/vc6/dumb/dumb.vcxproj

@@ -74,7 +74,7 @@

       <Optimization>MaxSpeed</Optimization>

       <InlineFunctionExpansion>AnySuitable</InlineFunctionExpansion>

       <AdditionalIncludeDirectories>../../include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>

-      <PreprocessorDefinitions>NDEBUG;WIN32;_LIB;DUMB_DECLARE_DEPRECATED;%(PreprocessorDefinitions)</PreprocessorDefinitions>

+      <PreprocessorDefinitions>_USE_SSE;NDEBUG;WIN32;_LIB;DUMB_DECLARE_DEPRECATED;%(PreprocessorDefinitions)</PreprocessorDefinitions>

       <StringPooling>true</StringPooling>

       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>

       <FunctionLevelLinking>true</FunctionLevelLinking>