Initial commit

1 files changed, 253 insertions, 0 deletions

diff --git a/Minecraft.Client/Durango/DurangoExtras/xcompress.h b/Minecraft.Client/Durango/DurangoExtras/xcompress.h
new file mode 100644
index 00000000..c577ad02
--- /dev/null
+++ b/Minecraft.Client/Durango/DurangoExtras/xcompress.h
@@ -0,0 +1,253 @@
+/************************************************************************
+*                                                                       *
+*   xcompress.h -- This module defines the Xbox Compression APIs        *
+*                                                                       *
+*   Copyright (c) Microsoft Corp. All rights reserved.                  *
+*                                                                       *
+************************************************************************/
+#pragma once
+
+#ifndef _XCOMPRESS_H_
+#define _XCOMPRESS_H_
+
+#include <sal.h>
+
+#ifndef XBOXAPI
+#define XBOXAPI
+#endif
+
+#ifdef __cplusplus
+#define XCTDEXTERN extern "C"
+#else
+#define XCTDEXTERN extern
+#endif
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+#pragma warning(push)
+#pragma warning(disable: 4200) // zero-sized array
+
+typedef enum _XMEMCODEC_TYPE
+{
+    XMEMCODEC_DEFAULT =                     0,
+    XMEMCODEC_LZX =                         1
+} XMEMCODEC_TYPE;
+
+/*
+ * Data compression flags
+ */
+
+#define XMEMCOMPRESS_STREAM                 0x00000001
+ 
+/*
+ * Data compression functions
+ */
+
+typedef VOID*                               XMEMCOMPRESSION_CONTEXT;
+
+XBOXAPI
+HRESULT 
+WINAPI 
+XMemCreateCompressionContext(
+    __in        XMEMCODEC_TYPE              CodecType,
+    __in_opt    CONST VOID*                 pCodecParams,
+    __in        DWORD                       Flags,
+    __deref_out XMEMCOMPRESSION_CONTEXT*    pContext
+    );
+
+XBOXAPI
+XMEMCOMPRESSION_CONTEXT
+WINAPI 
+XMemInitializeCompressionContext(
+    __in        XMEMCODEC_TYPE              CodecType,
+    __in_opt    CONST VOID*                 pCodecParams,
+    __in        DWORD                       Flags,
+    __out_bcount(ContextSize) VOID*         pContextData,
+    __in        SIZE_T                      ContextSize
+    );
+
+XBOXAPI
+VOID
+WINAPI 
+XMemDestroyCompressionContext(
+    __in        XMEMCOMPRESSION_CONTEXT     Context
+    );
+
+XBOXAPI
+SIZE_T
+WINAPI 
+XMemGetCompressionContextSize(
+    __in        XMEMCODEC_TYPE              CodecType,
+    __in_opt    CONST VOID*                 pCodecParams,
+    __in        DWORD                       Flags
+    );
+
+XBOXAPI
+HRESULT 
+WINAPI 
+XMemResetCompressionContext(
+    __in    XMEMCOMPRESSION_CONTEXT         Context);
+
+XBOXAPI
+HRESULT 
+WINAPI 
+XMemCompress(
+    __in    XMEMCOMPRESSION_CONTEXT         Context,
+    __out_bcount_opt( *pDestSize ) VOID*    pDestination,
+    __inout SIZE_T*                         pDestSize,
+    __in_bcount( SrcSize ) CONST VOID*      pSource,
+    __in    SIZE_T                          SrcSize
+    );
+
+XBOXAPI
+HRESULT 
+WINAPI 
+XMemCompressStream(
+    __in    XMEMCOMPRESSION_CONTEXT         Context,
+    __out_bcount_opt( *pDestSize ) VOID*    pDestination,
+    __inout SIZE_T*                         pDestSize,
+    __in_bcount( *pSrcSize ) CONST VOID*    pSource,
+    __inout SIZE_T*                         pSrcSize
+    );
+
+/*
+ * Data decompression functions
+ */
+
+typedef VOID*                               XMEMDECOMPRESSION_CONTEXT;
+
+XBOXAPI
+HRESULT 
+WINAPI 
+XMemCreateDecompressionContext(
+    __in        XMEMCODEC_TYPE              CodecType,
+    __in_opt    CONST VOID*                 pCodecParams,
+    __in        DWORD                       Flags,
+    __deref_out XMEMDECOMPRESSION_CONTEXT*  pContext
+    );
+
+XBOXAPI
+XMEMDECOMPRESSION_CONTEXT
+WINAPI 
+XMemInitializeDecompressionContext(
+    __in        XMEMCODEC_TYPE              CodecType,
+    __in_opt    CONST VOID*                 pCodecParams,
+    __in        DWORD                       Flags,
+    __out_bcount( ContextSize ) VOID*       pContextData,
+    __in        SIZE_T                      ContextSize
+    );
+
+XBOXAPI
+VOID
+WINAPI 
+XMemDestroyDecompressionContext(
+    __in    XMEMDECOMPRESSION_CONTEXT       Context
+    );
+
+XBOXAPI
+SIZE_T
+WINAPI 
+XMemGetDecompressionContextSize(
+    __in        XMEMCODEC_TYPE              CodecType,
+    __in_opt    CONST VOID*                 pCodecParams,
+    __in        DWORD                       Flags
+    );
+
+XBOXAPI
+HRESULT 
+WINAPI 
+XMemResetDecompressionContext(
+    __in    XMEMDECOMPRESSION_CONTEXT       Context);
+
+XBOXAPI
+HRESULT 
+WINAPI 
+XMemDecompress(
+    __in    XMEMDECOMPRESSION_CONTEXT       Context,
+    __out_bcount( *pDestSize ) VOID*        pDestination,
+    __inout SIZE_T*                         pDestSize,
+    __in_bcount( SrcSize) CONST VOID*       pSource,
+    __in    SIZE_T                          SrcSize
+    );
+
+XBOXAPI
+HRESULT 
+WINAPI 
+XMemDecompressStream(
+    __in    XMEMDECOMPRESSION_CONTEXT       Context,
+    __out_bcount( *pDestSize ) VOID*        pDestination,
+    __inout SIZE_T*                         pDestSize,
+    __in_bcount( *pSrcSize ) CONST VOID*    pSource,
+    __inout SIZE_T*                         pSrcSize
+    );
+
+/*
+ * LZX codec for lossless compression
+ */
+
+typedef struct _XMEMCODEC_PARAMETERS_LZX
+{
+    DWORD Flags;
+    DWORD WindowSize;
+    DWORD CompressionPartitionSize;
+} XMEMCODEC_PARAMETERS_LZX;
+
+#define XCOMPRESS_LZX_BLOCK_SIZE            (32 * 1024)
+#define XCOMPRESS_LZX_BLOCK_GROWTH_SIZE_MAX 6155
+
+/*
+ * Error codes
+ */
+
+#define XMCDERR_MOREDATA                    _HRESULT_TYPEDEF_(0x81DE2001)
+
+/*
+ * Compression file headers
+ */
+
+#define XCOMPRESS_FILE_IDENTIFIER_LZXTDECODE        0x0FF512ED
+#define XCOMPRESS_FILE_IDENTIFIER_LZXNATIVE         0x0FF512EE
+
+#define XCOMPRESS_SET_FILE_VERSION(Major, Minor)    ((((Major) & 0xFF) << 8) | ((Minor) & 0xFF))
+#define XCOMPRESS_GET_FILE_VERSION_MAJOR(Version)   (((Version) >> 8) & 0xFF)
+#define XCOMPRESS_GET_FILE_VERSION_MINOR(Version)   ((Version) & 0xFF)
+
+#define XCOMPRESS_LZXNATIVE_VERSION_MAJOR           1
+#define XCOMPRESS_LZXNATIVE_VERSION_MINOR           3
+
+typedef struct _XCOMPRESS_FILE_HEADER
+{
+    DWORD                                   Identifier;
+    WORD                                    Version;
+    WORD                                    Reserved;
+} XCOMPRESS_FILE_HEADER;
+
+typedef struct _XCOMPRESS_FILE_HEADER_LZXNATIVE
+{
+    XCOMPRESS_FILE_HEADER                   Common;
+    DWORD                                   ContextFlags;
+    XMEMCODEC_PARAMETERS_LZX                CodecParams;
+    DWORD                                   UncompressedSizeHigh;
+    DWORD                                   UncompressedSizeLow;
+    DWORD                                   CompressedSizeHigh;
+    DWORD                                   CompressedSizeLow;
+    DWORD                                   UncompressedBlockSize;
+    DWORD                                   CompressedBlockSizeMax;
+} XCOMPRESS_FILE_HEADER_LZXNATIVE;
+
+typedef struct _XCOMPRESS_BLOCK_HEADER_LZXNATIVE
+{
+    DWORD                                   CompressedBlockSize;
+    BYTE                                    pCompressedData[0];
+} XCOMPRESS_BLOCK_HEADER_LZXNATIVE;
+
+#pragma warning(pop)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _XCOMPRESS_H_ */