Apply patch to update C# wraper. Fixes issue 184.

project/vc9/Nvidia.TextureTools/TextureTools.cs

@@ -422,8 +422,18 @@ namespace Nvidia.TextureTools
 	{
 		#region Delegates
         public delegate void ErrorHandler(Error error);
-		private delegate void WriteDataDelegate(IntPtr data, int size);
+
-		private delegate void ImageDelegate(int size, int width, int height, int depth, int face, int miplevel);
+        //[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        //public delegate void InternalErrorHandlerDelegate(Error error);
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate void BeginImageDelegate(int size, int width, int height, int depth, int face, int miplevel);
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate bool WriteDataDelegate(IntPtr data, int size);
+
+        [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
+        public delegate void EndImageDelegate();
 		#endregion
 
 		#region Bindings
@@ -447,8 +457,8 @@ namespace Nvidia.TextureTools
 		[DllImport("nvtt"), SuppressUnmanagedCodeSecurity]
 		private extern static void nvttSetOutputOptionsOutputHeader(IntPtr outputOptions, bool b);
 
-		//[DllImport("nvtt"), SuppressUnmanagedCodeSecurity]
+        [DllImport("nvtt", CallingConvention = CallingConvention.Cdecl), SuppressUnmanagedCodeSecurity]
-		//private extern static void nvttSetOutputOptionsOutputHandler(IntPtr outputOptions, WriteDataDelegate writeData, ImageDelegate image);
+        private extern static void nvttSetOutputOptionsOutputHandler(IntPtr outputOptions, IntPtr beginImage, IntPtr writeData, IntPtr endImage);
 
 		#endregion
 
@@ -476,7 +486,21 @@ namespace Nvidia.TextureTools
 			nvttSetOutputOptionsOutputHeader(options, b);
 		}
 
-		// @@ Add OutputHandler interface.
+        public void SetOutputHandler(BeginImageDelegate beginImage, WriteDataDelegate writeImage, EndImageDelegate endImage)
+        {
+            IntPtr ptrBeginImage = IntPtr.Zero;
+            IntPtr ptrWriteData = IntPtr.Zero;
+            IntPtr ptrEndImage = IntPtr.Zero;
+            
+            if (beginImage != null || writeImage != null || endImage != null)
+            {
+                ptrBeginImage = Marshal.GetFunctionPointerForDelegate(beginImage);
+                ptrWriteData = Marshal.GetFunctionPointerForDelegate(writeImage);
+                ptrEndImage = Marshal.GetFunctionPointerForDelegate(endImage);
+            }
+
+            nvttSetOutputOptionsOutputHandler(options, ptrBeginImage, ptrWriteData, ptrEndImage);
+        }
 	}
 	#endregion
 

project/vc9/nvtt.sln

@@ -117,6 +117,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "hdrtest", "hdrtest\hdrtest.
 		{4046F392-A18B-4C66-9639-3EABFFF5D531} = {4046F392-A18B-4C66-9639-3EABFFF5D531}
 	EndProjectSection
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "hlslparser", "hlslparser\hlslparser.vcproj", "{FEBA8AE3-0628-4870-B087-05A4974F0729}"
+EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "bc7", "bc7\bc7.vcproj", "{F974F34B-AF02-4C88-8E1E-85475094EA78}"
 EndProject
 Global
@@ -419,6 +421,26 @@ Global
 		{E493E368-A4CF-4A8D-99DD-E128CC3A27EF}.Release-CUDA|Win32.Build.0 = Release|Win32
 		{E493E368-A4CF-4A8D-99DD-E128CC3A27EF}.Release-CUDA|x64.ActiveCfg = Release|x64
 		{E493E368-A4CF-4A8D-99DD-E128CC3A27EF}.Release-CUDA|x64.Build.0 = Release|x64
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug|Mixed Platforms.ActiveCfg = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug|Mixed Platforms.Build.0 = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug|Win32.ActiveCfg = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug|Win32.Build.0 = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug|x64.ActiveCfg = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug-CUDA|Mixed Platforms.ActiveCfg = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug-CUDA|Mixed Platforms.Build.0 = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug-CUDA|Win32.ActiveCfg = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug-CUDA|Win32.Build.0 = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Debug-CUDA|x64.ActiveCfg = Debug|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release|Mixed Platforms.ActiveCfg = Release|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release|Mixed Platforms.Build.0 = Release|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release|Win32.ActiveCfg = Release|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release|Win32.Build.0 = Release|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release|x64.ActiveCfg = Release|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release-CUDA|Mixed Platforms.ActiveCfg = Release|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release-CUDA|Mixed Platforms.Build.0 = Release|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release-CUDA|Win32.ActiveCfg = Release|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release-CUDA|Win32.Build.0 = Release|Win32
+		{FEBA8AE3-0628-4870-B087-05A4974F0729}.Release-CUDA|x64.ActiveCfg = Release|Win32
 		{F974F34B-AF02-4C88-8E1E-85475094EA78}.Debug|Win32.ActiveCfg = Debug|Win32
 		{F974F34B-AF02-4C88-8E1E-85475094EA78}.Debug|Win32.Build.0 = Debug|Win32
 		{F974F34B-AF02-4C88-8E1E-85475094EA78}.Debug|x64.ActiveCfg = Debug|x64

src/nvtt/OutputOptions.h

@@ -78,6 +78,8 @@ namespace nvtt
         bool srgb;
         bool deleteOutputHandler;
 
+        void * wrapperProxy;    // For the C/C# wrapper.
+		
 		bool hasValidOutputHandler() const;
 
 		void beginImage(int size, int width, int height, int depth, int face, int miplevel) const;

src/nvtt/nvtt.h

@@ -73,8 +73,9 @@ namespace nvtt
 
     // Supported compression formats.
     // @@ I wish I had distinguished between "formats" and compressors.
-    // That is, 'DXT1' is a format 'DXT1a' and 'DXT1n' are DXT1 compressors.
+    // That is:
-    // That is, 'DXT3' is a format 'DXT3n' is a DXT3 compressor.
+    // - 'DXT1' is a format 'DXT1a' and 'DXT1n' are DXT1 compressors.
+    // - 'DXT3' is a format 'DXT3n' is a DXT3 compressor.
     // Having multiple enums for the same ids only creates confusion. Clean this up.
     enum Format
     {
@@ -98,13 +99,11 @@ namespace nvtt
         Format_BC4,     // ATI1
         Format_BC5,     // 3DC, ATI2
 
-        Format_DXT1n,   // Not supported on CPU yet.
+        Format_DXT1n,   // Not supported.
-        Format_CTX1,    // Not supported on CPU yet.
+        Format_CTX1,    // Not supported.
 
         Format_BC6,
         Format_BC7,
-
-        Format_DXT1_Luma,
     };
 
     // Pixel types. These basically indicate how the output should be interpreted, but do not have any influence over the input. They are only relevant in RGBA mode.
@@ -133,7 +132,6 @@ namespace nvtt
         Decoder_D3D10,
         Decoder_D3D9,
         Decoder_NV5x,
-        //Decoder_RSX, // To take advantage of DXT5 bug.
     };
 
 
@@ -163,7 +161,7 @@ namespace nvtt
         NVTT_API void setPitchAlignment(int pitchAlignment);
 
         // @@ I wish this wasn't part of the compression options. Quantization is applied before compression. We don't have compressors with error diffusion.
-        NVTT_API void setQuantization(bool colorDithering, bool alphaDithering, bool binaryAlpha, int alphaThreshold = 127);
+        NVTT_API void setQuantization(bool colorDithering, bool alphaDithering, bool binaryAlpha, int alphaThreshold = 127); // (Deprecated in NVTT 2.1)
 
         NVTT_API void setTargetDecoder(Decoder decoder);
 
@@ -243,7 +241,7 @@ namespace nvtt
         AlphaMode_Premultiplied,
     };
 
-    // Input options. Specify format and layout of the input texture.
+    // Input options. Specify format and layout of the input texture. (Deprecated in NVTT 2.1)
     struct InputOptions
     {
         NVTT_FORBID_COPY(InputOptions);
@@ -303,7 +301,7 @@ namespace nvtt
         // Output data. Compressed data is output as soon as it's generated to minimize memory allocations.
         virtual bool writeData(const void * data, int size) = 0;
 
-        // Indicate the end of a the compressed image.
+        // Indicate the end of a the compressed image. (New in NVTT 2.1)
         virtual void endImage() = 0;
     };
 
@@ -363,8 +361,10 @@ namespace nvtt
         NVTT_API void setSrgbFlag(bool b);
     };
 
+    // (New in NVTT 2.1)
     typedef void Task(void * context, int id);
 
+    // (New in NVTT 2.1)
     struct TaskDispatcher
     {
         virtual void dispatch(Task * task, void * context, int count) = 0;
@@ -382,23 +382,23 @@ namespace nvtt
         // Context settings.
         NVTT_API void enableCudaAcceleration(bool enable);
         NVTT_API bool isCudaAccelerationEnabled() const;
-        NVTT_API void setTaskDispatcher(TaskDispatcher * disp);
+        NVTT_API void setTaskDispatcher(TaskDispatcher * disp); // (New in NVTT 2.1)
 
         // InputOptions API.
         NVTT_API bool process(const InputOptions & inputOptions, const CompressionOptions & compressionOptions, const OutputOptions & outputOptions) const;
         NVTT_API int estimateSize(const InputOptions & inputOptions, const CompressionOptions & compressionOptions) const;
 
-        // Surface API.
+        // Surface API. (New in NVTT 2.1)
         NVTT_API bool outputHeader(const Surface & img, int mipmapCount, const CompressionOptions & compressionOptions, const OutputOptions & outputOptions) const;
         NVTT_API bool compress(const Surface & img, int face, int mipmap, const CompressionOptions & compressionOptions, const OutputOptions & outputOptions) const;
         NVTT_API int estimateSize(const Surface & img, int mipmapCount, const CompressionOptions & compressionOptions) const;
 
-        // CubeSurface API.
+        // CubeSurface API. (New in NVTT 2.1)
         NVTT_API bool outputHeader(const CubeSurface & cube, int mipmapCount, const CompressionOptions & compressionOptions, const OutputOptions & outputOptions) const;
         NVTT_API bool compress(const CubeSurface & cube, int mipmap, const CompressionOptions & compressionOptions, const OutputOptions & outputOptions) const;
         NVTT_API int estimateSize(const CubeSurface & cube, int mipmapCount, const CompressionOptions & compressionOptions) const;
 
-        // Raw API.
+        // Raw API. (New in NVTT 2.1)
         NVTT_API bool outputHeader(TextureType type, int w, int h, int d, int mipmapCount, bool isNormalMap, const CompressionOptions & compressionOptions, const OutputOptions & outputOptions) const;
         NVTT_API bool compress(int w, int h, int d, int face, int mipmap, const float * rgba, const CompressionOptions & compressionOptions, const OutputOptions & outputOptions) const;
         NVTT_API int estimateSize(int w, int h, int d, int mipmapCount, const CompressionOptions & compressionOptions) const;
@@ -407,6 +407,7 @@ namespace nvtt
     // "Compressor" is deprecated. This should have been called "Context"
     typedef Compressor Context;
 
+    // (New in NVTT 2.1)
     enum NormalTransform {
         NormalTransform_Orthographic,
         NormalTransform_Stereographic,
@@ -415,6 +416,7 @@ namespace nvtt
         //NormalTransform_DualParaboloid,
     };
 
+    // (New in NVTT 2.1)
     enum ToneMapper {
         ToneMapper_Linear,
         ToneMapper_Reindhart,
@@ -422,15 +424,8 @@ namespace nvtt
         ToneMapper_Lightmap,
     };
 
-    /*enum ChannelMask {
-        R = 0x70000001,
-        G = 0x70000002,
-        B = 0x70000004,
-        A = 0x70000008,
-    };*/
 
-    // A surface is one level of a 2D or 3D texture.
+    // A surface is one level of a 2D or 3D texture. (New in NVTT 2.1)
-    // @@ It would be nice to add support for texture borders for correct resizing of tiled textures and constrained DXT compression.
     struct Surface
     {
         NVTT_API Surface();
@@ -559,7 +554,7 @@ namespace nvtt
     };
 
 
-    // Cube layout formats.
+    // Cube layout formats. (New in NVTT 2.1)
     enum CubeLayout {
         CubeLayout_VerticalCross,
         CubeLayout_HorizontalCross,
@@ -568,6 +563,7 @@ namespace nvtt
         CubeLayout_LatitudeLongitude
     };
 
+    // (New in NVTT 2.1)
     enum EdgeFixup {
         EdgeFixup_None,
         EdgeFixup_Stretch,
@@ -575,7 +571,7 @@ namespace nvtt
         EdgeFixup_Average,
     };
 
-    // A CubeSurface is one level of a cube map texture.
+    // A CubeSurface is one level of a cube map texture. (New in NVTT 2.1)
     struct CubeSurface
     {
         NVTT_API CubeSurface();
@@ -645,6 +641,7 @@ namespace nvtt
     // Return NVTT version.
     NVTT_API unsigned int version();
 
+    // Image comparison and error measurement functions. (New in NVTT 2.1)
     NVTT_API float rmsError(const Surface & reference, const Surface & img);
     NVTT_API float rmsAlphaError(const Surface & reference, const Surface & img);
     NVTT_API float cieLabError(const Surface & reference, const Surface & img);

src/nvtt/nvtt_wrapper.cpp

@@ -25,6 +25,47 @@
 #include "nvtt.h"
 #include "nvtt_wrapper.h"
 
+#include "OutputOptions.h"
+
+// An OutputHandler that sets and calls function pointers, rather than
+// requiring interfaces to derive from OutputHandler itself
+struct HandlerProxy : public nvtt::OutputHandler
+{
+public:
+
+    HandlerProxy() {}
+
+    nvttBeginImageHandler beginImageHandler;
+    nvttOutputHandler writeDataHandler;
+    nvttEndImageHandler endImageHandler;
+
+    virtual void beginImage(int size, int width, int height, int depth, int face, int miplevel)
+    {
+        if (beginImageHandler != NULL) 
+        {
+            beginImageHandler(size, width, height, depth, face, miplevel);
+        }
+    }
+
+
+    virtual bool writeData(const void * data, int size)
+    {
+        if (writeDataHandler != NULL)
+        {
+            return writeDataHandler(data, size);
+        }
+        return false;
+    }
+
+    virtual void endImage()
+    {
+        if (endImageHandler != NULL) 
+        {
+            endImageHandler();
+        }
+    }
+};
+
 
 // InputOptions class.
 NvttInputOptions * nvttCreateInputOptions()
@@ -151,7 +192,7 @@ void nvttSetCompressionOptionsColorWeights(NvttCompressionOptions * compressionO
 
 /*void nvttEnableCompressionOptionsCudaCompression(NvttCompressionOptions * compressionOptions, NvttBoolean enable)
 {
-	compressionOptions->enableCudaCompression(enable != NVTT_False);
+compressionOptions->enableCudaCompression(enable != NVTT_False);
 }*/
 
 void nvttSetCompressionOptionsPixelFormat(NvttCompressionOptions * compressionOptions, unsigned int bitcount, unsigned int rmask, unsigned int gmask, unsigned int bmask, unsigned int amask)
@@ -168,11 +209,18 @@ void nvttSetCompressionOptionsQuantization(NvttCompressionOptions * compressionO
 // OutputOptions class.
 NvttOutputOptions * nvttCreateOutputOptions()
 {
-	return new nvtt::OutputOptions();
+    nvtt::OutputOptions * outputOptions = new nvtt::OutputOptions();
+    HandlerProxy * handlerProxy = new HandlerProxy();
+
+    outputOptions->m.wrapperProxy = handlerProxy;
+
+    return outputOptions;
 }
 
 void nvttDestroyOutputOptions(NvttOutputOptions * outputOptions)
 {
+	HandlerProxy * handlerProxy = (HandlerProxy *)outputOptions->m.wrapperProxy;
+	delete handlerProxy;
     delete outputOptions;
 }
 
@@ -190,11 +238,25 @@ void nvttSetOutputOptionsErrorHandler(NvttOutputOptions * outputOptions, nvttErr
 {
     outputOptions->setErrorHandler(errorHandler);
 }
+*/
 
-void nvttSetOutputOptionsOutputHandler(NvttOutputOptions * outputOptions, nvttOutputHandler outputHandler, nvttImageHandler imageHandler)
+void nvttSetOutputOptionsOutputHandler(NvttOutputOptions * outputOptions, nvttBeginImageHandler beginImageHandler, nvttOutputHandler writeDataHandler, nvttEndImageHandler endImageHandler)
 {
+	HandlerProxy * handler = (HandlerProxy *)outputOptions->m.wrapperProxy;
+
+	handler->beginImageHandler = beginImageHandler;
+	handler->writeDataHandler = writeDataHandler;
+    handler->endImageHandler = endImageHandler;
+
+    if(beginImageHandler == NULL && writeDataHandler == NULL && endImageHandler == NULL)
+    {
+		outputOptions->setOutputHandler(NULL);
+    }
+    else
+    {
+		outputOptions->setOutputHandler(handler);
+    }
 }
-*/
 
 
 // Compressor class.

src/nvtt/nvtt_wrapper.h

@@ -166,8 +166,9 @@ extern "C" {
 
 // Callbacks
 //typedef void (* nvttErrorHandler)(NvttError e);
-//typedef void (* nvttOutputHandler)(const void * data, int size);
+typedef void (* nvttBeginImageHandler)(int size, int width, int height, int depth, int face, int miplevel);
-//typedef void (* nvttImageHandler)(int size, int width, int height, int depth, int face, int miplevel);
+typedef bool (* nvttOutputHandler)(const void * data, int size);
+typedef void (* nvttEndImageHandler)();
 
 
 // InputOptions class.
@@ -211,7 +212,7 @@ NVTT_API void nvttDestroyOutputOptions(NvttOutputOptions * outputOptions);
 NVTT_API void nvttSetOutputOptionsFileName(NvttOutputOptions * outputOptions, const char * fileName);
 NVTT_API void nvttSetOutputOptionsOutputHeader(NvttOutputOptions * outputOptions, NvttBoolean b);
 //NVTT_API void nvttSetOutputOptionsErrorHandler(NvttOutputOptions * outputOptions, nvttErrorHandler errorHandler);
-//NVTT_API void nvttSetOutputOptionsOutputHandler(NvttOutputOptions * outputOptions, nvttOutputHandler outputHandler, nvttImageHandler imageHandler);
+NVTT_API void nvttSetOutputOptionsOutputHandler(NvttOutputOptions * outputOptions, nvttBeginImageHandler beginImageHandler, nvttOutputHandler outputHandler, nvttEndImageHandler endImageHandler);
 
 
 // Compressor class.