STORM-151 : merge kdu static linking, add indra/llkdu implementation. Doesn't build yet.

1 files changed, 107 insertions, 0 deletions

diff --git a/indra/llkdu/llblockdata.h b/indra/llkdu/llblockdata.h
new file mode 100644
index 0000000000..dcc847e7e2
--- /dev/null
+++ b/indra/llkdu/llblockdata.h
@@ -0,0 +1,107 @@
+/** 
+ * @file llblockdata.h
+ * @brief Image block structure
+ *
+ * $LicenseInfo:firstyear=2010&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLBLOCKDATA_H
+#define LL_LLBLOCKDATA_H
+
+#include "stdtypes.h"
+
+//////////////////////////////////////////////////
+//
+//  This class stores all of the information about
+//  a single channel of raw data, either integer
+//	or floating point.
+//
+class LLBlockData
+{
+protected:
+	U32 mType;
+	U32 mWidth;
+	U32 mHeight;
+	U32 mRowStride;
+	U8 *mData;
+public:
+	enum
+	{
+		BLOCK_TYPE_U32 = 1,
+		BLOCK_TYPE_F32 = 2
+	};
+
+	LLBlockData(const U32 type);
+	virtual ~LLBlockData() {}
+
+	void setData(U8 *data, const U32 width, const U32 height, const U32 row_stride = 0);
+
+	U32 getType() const;
+	U8 *getData() const;
+	virtual U32 getSize() const;
+	U32 getWidth() const;
+	U32 getHeight() const;
+	U32 getRowStride() const;
+};
+
+class LLBlockDataU32 : public LLBlockData
+{
+protected:
+	U32 mPrecision;
+public:
+	LLBlockDataU32();
+
+	void setData(U32 *data, const U32 width, const U32 height, const U32 row_stride = 0);
+	void setPrecision(const U32 bits);
+
+	/*virtual*/ U32 getSize() const;
+	U32 getPrecision() const;
+};
+
+class LLBlockDataF32 : public LLBlockData
+{
+protected:
+	U32 mPrecision;
+	F32 mMin;
+	F32 mMax;
+public:
+	LLBlockDataF32()
+		: LLBlockData(LLBlockData::BLOCK_TYPE_F32),
+		  mPrecision(0),
+		  mMin(0.f),
+		  mMax(0.f)
+	{};
+	
+	void setData(F32 *data, const U32 width, const U32 height, const U32 row_stride = 0);
+
+	void setPrecision(const U32 bits);
+	void setMin(const F32 min);
+	void setMax(const F32 max);
+
+	void calcMinMax();
+
+	U32 getPrecision() const;
+	F32 getMin() const;
+	F32 getMax() const;
+};
+
+#endif // LL_LLBLOCKDATA_H