diff --git a/Makefile.in b/Makefile.in
index 36c69c7276..643df881cb 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -107,8 +107,8 @@ WXZLIB_OBJECTS =  \
 	wxzlib_trees.o \
 	wxzlib_uncompr.o \
 	wxzlib_zutil.o
-WXPNG_CFLAGS = $(WX_CPPFLAGS) -DNDEBUG $(__INC_ZLIB_p) $(WX_CFLAGS) \
-	$(____SHARED) $(CPPFLAGS) $(CFLAGS)
+WXPNG_CFLAGS = $(WX_CPPFLAGS) -DNDEBUG $(__INC_ZLIB_p) -DPNG_INTEL_SSE \
+	$(WX_CFLAGS) $(____SHARED) $(CPPFLAGS) $(CFLAGS)
 WXPNG_OBJECTS =  \
 	wxpng_png.o \
 	wxpng_pngerror.o \
diff --git a/build/bakefiles/png.bkl b/build/bakefiles/png.bkl
index 03c984baf3..af5089184b 100644
--- a/build/bakefiles/png.bkl
+++ b/build/bakefiles/png.bkl
@@ -25,6 +25,7 @@
          cond="wxUSE_LIBPNG=='builtin' and USE_GUI=='1' and BUILDING_LIB=='1'">
         <dirname>$(LIBDIRNAME)</dirname>
         <include>$(INC_ZLIB)</include>
+        <define>PNG_INTEL_SSE</define>
         <cflags-borland>-w-8004</cflags-borland>
         <cflags-watcom>-wcd=124</cflags-watcom>
         <sources>
diff --git a/build/cmake/lib/png.cmake b/build/cmake/lib/png.cmake
index 1226473ef2..c06a8cc5f0 100644
--- a/build/cmake/lib/png.cmake
+++ b/build/cmake/lib/png.cmake
@@ -46,6 +46,7 @@ if(wxUSE_LIBPNG STREQUAL "builtin")
         # http://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=101278
         target_compile_definitions(wxpng PRIVATE _CRT_NONSTDC_NO_WARNINGS)
     endif()
+    target_compile_definitions(wxpng PRIVATE PNG_INTEL_SSE)
     target_include_directories(wxpng PRIVATE ${ZLIB_INCLUDE_DIRS})
     target_link_libraries(wxpng PRIVATE ${ZLIB_LIBRARIES})
     set(PNG_LIBRARIES wxpng)
diff --git a/build/msw/makefile.bcc b/build/msw/makefile.bcc
index 91a7ba490e..6ab7deb180 100644
--- a/build/msw/makefile.bcc
+++ b/build/msw/makefile.bcc
@@ -76,8 +76,8 @@ WXZLIB_OBJECTS =  \
 	$(OBJS)\wxzlib_uncompr.obj \
 	$(OBJS)\wxzlib_zutil.obj
 WXPNG_CFLAGS = $(__RUNTIME_LIBS) -I$(BCCDIR)\include $(__DEBUGINFO) \
-	$(__OPTIMIZEFLAG) $(__THREADSFLAG) -DNDEBUG -I..\..\src\zlib -w-8004 \
-	$(CPPFLAGS) $(CFLAGS)
+	$(__OPTIMIZEFLAG) $(__THREADSFLAG) -DNDEBUG -I..\..\src\zlib -DPNG_INTEL_SSE \
+	-w-8004 $(CPPFLAGS) $(CFLAGS)
 WXPNG_OBJECTS =  \
 	$(OBJS)\wxpng_png.obj \
 	$(OBJS)\wxpng_pngerror.obj \
diff --git a/build/msw/makefile.gcc b/build/msw/makefile.gcc
index 8156849df8..4d111d00e0 100644
--- a/build/msw/makefile.gcc
+++ b/build/msw/makefile.gcc
@@ -68,7 +68,8 @@ WXZLIB_OBJECTS =  \
 	$(OBJS)\wxzlib_uncompr.o \
 	$(OBJS)\wxzlib_zutil.o
 WXPNG_CFLAGS = $(__DEBUGINFO) $(__OPTIMIZEFLAG) $(__THREADSFLAG) $(GCCFLAGS) \
-	-DHAVE_W32API_H -DNDEBUG -I..\..\src\zlib $(CPPFLAGS) $(CFLAGS)
+	-DHAVE_W32API_H -DNDEBUG -I..\..\src\zlib -DPNG_INTEL_SSE $(CPPFLAGS) \
+	$(CFLAGS)
 WXPNG_OBJECTS =  \
 	$(OBJS)\wxpng_png.o \
 	$(OBJS)\wxpng_pngerror.o \
diff --git a/build/msw/makefile.vc b/build/msw/makefile.vc
index 7c61cb5159..544dc13abb 100644
--- a/build/msw/makefile.vc
+++ b/build/msw/makefile.vc
@@ -78,7 +78,8 @@ WXPNG_CFLAGS = /M$(__RUNTIME_LIBS_40)$(__DEBUGRUNTIME) /DWIN32 $(__DEBUGINFO) \
 	$(__OPTIMIZEFLAG) /D_CRT_SECURE_NO_DEPRECATE=1 \
 	/D_CRT_NON_CONFORMING_SWPRINTFS=1 /D_SCL_SECURE_NO_WARNINGS=1 \
 	$(__NO_VC_CRTDBG_p) $(__TARGET_CPU_COMPFLAG_p) /DNDEBUG \
-	/D_CRT_SECURE_NO_WARNINGS /I..\..\src\zlib $(CPPFLAGS) $(CFLAGS)
+	/D_CRT_SECURE_NO_WARNINGS /I..\..\src\zlib /DPNG_INTEL_SSE $(CPPFLAGS) \
+	$(CFLAGS)
 WXPNG_OBJECTS =  \
 	$(OBJS)\wxpng_png.obj \
 	$(OBJS)\wxpng_pngerror.obj \
diff --git a/build/msw/wx_vc7_wxpng.vcproj b/build/msw/wx_vc7_wxpng.vcproj
index ea607b9bc9..797b1b8b5b 100644
--- a/build/msw/wx_vc7_wxpng.vcproj
+++ b/build/msw/wx_vc7_wxpng.vcproj
@@ -27,7 +27,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				MinimalRebuild="TRUE"
 				ExceptionHandling="TRUE"
 				BasicRuntimeChecks="3"
@@ -48,7 +48,7 @@
 				SuppressStartupBanner="TRUE"/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"/>
 			<Tool
 				Name="VCPostBuildEventTool"/>
@@ -58,7 +58,7 @@
 				Name="VCPreLinkEventTool"/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"/>
 			<Tool
@@ -83,7 +83,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="TRUE"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="TRUE"
@@ -101,7 +101,7 @@
 				SuppressStartupBanner="TRUE"/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"/>
 			<Tool
 				Name="VCPostBuildEventTool"/>
@@ -111,7 +111,7 @@
 				Name="VCPreLinkEventTool"/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"/>
 			<Tool
@@ -136,7 +136,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				MinimalRebuild="TRUE"
 				ExceptionHandling="TRUE"
 				BasicRuntimeChecks="3"
@@ -157,7 +157,7 @@
 				SuppressStartupBanner="TRUE"/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"/>
 			<Tool
 				Name="VCPostBuildEventTool"/>
@@ -167,7 +167,7 @@
 				Name="VCPreLinkEventTool"/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"/>
 			<Tool
@@ -192,7 +192,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="TRUE"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="TRUE"
@@ -210,7 +210,7 @@
 				SuppressStartupBanner="TRUE"/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"/>
 			<Tool
 				Name="VCPostBuildEventTool"/>
@@ -220,7 +220,7 @@
 				Name="VCPreLinkEventTool"/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"/>
 			<Tool
diff --git a/build/msw/wx_vc8_wxpng.vcproj b/build/msw/wx_vc8_wxpng.vcproj
index f3fc8bdbca..803d74ca7d 100644
--- a/build/msw/wx_vc8_wxpng.vcproj
+++ b/build/msw/wx_vc8_wxpng.vcproj
@@ -46,14 +46,14 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				MinimalRebuild="true"
 				ExceptionHandling="1"
 				BasicRuntimeChecks="3"
@@ -72,7 +72,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -127,14 +127,14 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -150,7 +150,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -205,14 +205,14 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				MinimalRebuild="true"
 				ExceptionHandling="1"
 				BasicRuntimeChecks="3"
@@ -231,7 +231,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -286,14 +286,14 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -309,7 +309,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -364,14 +364,14 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				MinimalRebuild="true"
 				ExceptionHandling="1"
 				BasicRuntimeChecks="3"
@@ -390,7 +390,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -445,14 +445,14 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -468,7 +468,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -523,14 +523,14 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				MinimalRebuild="true"
 				ExceptionHandling="1"
 				BasicRuntimeChecks="3"
@@ -549,7 +549,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -604,14 +604,14 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -627,7 +627,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
diff --git a/build/msw/wx_vc9_wxpng.vcproj b/build/msw/wx_vc9_wxpng.vcproj
index 81926af9f1..fb7f82f361 100644
--- a/build/msw/wx_vc9_wxpng.vcproj
+++ b/build/msw/wx_vc9_wxpng.vcproj
@@ -46,7 +46,7 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
@@ -54,7 +54,7 @@
 				AdditionalOptions="/MP"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -71,7 +71,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -126,7 +126,7 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
@@ -134,7 +134,7 @@
 				AdditionalOptions="/MP"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -149,7 +149,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -204,7 +204,7 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
@@ -212,7 +212,7 @@
 				AdditionalOptions="/MP"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -229,7 +229,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -284,7 +284,7 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
@@ -292,7 +292,7 @@
 				AdditionalOptions="/MP"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -307,7 +307,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -362,7 +362,7 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
@@ -370,7 +370,7 @@
 				AdditionalOptions="/MP"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -387,7 +387,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -442,7 +442,7 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
@@ -450,7 +450,7 @@
 				AdditionalOptions="/MP"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -465,7 +465,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -520,7 +520,7 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
@@ -528,7 +528,7 @@
 				AdditionalOptions="/MP"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="3"
@@ -545,7 +545,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
@@ -600,7 +600,7 @@
 			/>
 			<Tool
 				Name="VCMIDLTool"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
 			<Tool
@@ -608,7 +608,7 @@
 				AdditionalOptions="/MP"
 				Optimization="2"
 				AdditionalIncludeDirectories="..\..\src\zlib"
-				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				ExceptionHandling="1"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -623,7 +623,7 @@
 			/>
 			<Tool
 				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS"
+				PreprocessorDefinitions="_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE"
 				Culture="1033"
 				AdditionalIncludeDirectories="..\..\src\zlib"
 			/>
diff --git a/build/msw/wx_wxpng.vcxproj b/build/msw/wx_wxpng.vcxproj
index bc683a3c43..82b744b9eb 100644
--- a/build/msw/wx_wxpng.vcxproj
+++ b/build/msw/wx_wxpng.vcxproj
@@ -133,13 +133,13 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Midl>
-      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </Midl>
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>Sync</ExceptionHandling>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -151,7 +151,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
-      <PreprocessorDefinitions>_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x0409</Culture>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ResourceCompile>
@@ -166,13 +166,13 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <Midl>
-      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </Midl>
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>Sync</ExceptionHandling>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -184,7 +184,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
-      <PreprocessorDefinitions>_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x0409</Culture>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ResourceCompile>
@@ -199,13 +199,13 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <Midl>
-      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </Midl>
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <RuntimeTypeInfo>true</RuntimeTypeInfo>
@@ -219,7 +219,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x0409</Culture>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ResourceCompile>
@@ -235,13 +235,13 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <Midl>
-      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </Midl>
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <RuntimeTypeInfo>true</RuntimeTypeInfo>
@@ -254,7 +254,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x0409</Culture>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ResourceCompile>
@@ -269,13 +269,13 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DLL Debug|Win32'">
     <Midl>
-      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </Midl>
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>Sync</ExceptionHandling>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -287,7 +287,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
-      <PreprocessorDefinitions>_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x0409</Culture>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ResourceCompile>
@@ -302,13 +302,13 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DLL Debug|x64'">
     <Midl>
-      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </Midl>
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>Sync</ExceptionHandling>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -320,7 +320,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
-      <PreprocessorDefinitions>_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_DEBUG;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x0409</Culture>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ResourceCompile>
@@ -335,13 +335,13 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DLL Release|Win32'">
     <Midl>
-      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </Midl>
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <RuntimeTypeInfo>true</RuntimeTypeInfo>
@@ -354,7 +354,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x0409</Culture>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ResourceCompile>
@@ -369,13 +369,13 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='DLL Release|x64'">
     <Midl>
-      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </Midl>
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>WIN32;_LIB;_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ExceptionHandling>Sync</ExceptionHandling>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <RuntimeTypeInfo>true</RuntimeTypeInfo>
@@ -388,7 +388,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <ResourceCompile>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_DEPRECATE=1;_CRT_NON_CONFORMING_SWPRINTFS=1;_SCL_SECURE_NO_WARNINGS=1;NDEBUG;_CRT_SECURE_NO_WARNINGS;PNG_INTEL_SSE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <Culture>0x0409</Culture>
       <AdditionalIncludeDirectories>..\..\src\zlib;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ResourceCompile>