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/**
* @file llblockdata.cpp
* @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
* $/LicenseInfo$
*/
#include "linden_common.h"
#include "llblockdata.h"
#include "llmath.h"
LLBlockData::LLBlockData(const U32 type)
{
mType = type;
mWidth = 0;
mHeight = 0;
mRowStride = 0;
mData = NULL;
}
void LLBlockData::setData(U8 *data, const U32 width, const U32 height, const U32 row_stride)
{
mData = data;
mWidth = width;
mHeight = height;
if (row_stride)
{
mRowStride = row_stride;
}
else
{
mRowStride = width * 4;
}
}
U32 LLBlockData::getType() const
{
return mType;
}
U8 *LLBlockData::getData() const
{
return mData;
}
U32 LLBlockData::getSize() const
{
return mWidth*mHeight;
}
U32 LLBlockData::getWidth() const
{
return mWidth;
}
U32 LLBlockData::getHeight() const
{
return mHeight;
}
U32 LLBlockData::getRowStride() const
{
return mRowStride;
}
LLBlockDataU32::LLBlockDataU32() : LLBlockData(BLOCK_TYPE_U32)
{
mPrecision = 32;
}
void LLBlockDataU32::setData(U32 *data, const U32 width, const U32 height, const U32 row_stride)
{
LLBlockData::setData((U8 *)data, width, height, row_stride);
}
U32 LLBlockDataU32::getSize() const
{
return mWidth*mHeight*4;
}
void LLBlockDataU32::setPrecision(const U32 bits)
{
mPrecision = bits;
}
U32 LLBlockDataU32::getPrecision() const
{
return mPrecision;
}
void LLBlockDataF32::setPrecision(const U32 bits)
{
mPrecision = bits;
}
U32 LLBlockDataF32::getPrecision() const
{
return mPrecision;
}
void LLBlockDataF32::setData(F32 *data, const U32 width, const U32 height, const U32 row_stride)
{
LLBlockData::setData((U8 *)data, width, height, row_stride);
}
void LLBlockDataF32::setMin(const F32 min)
{
mMin = min;
}
void LLBlockDataF32::setMax(const F32 max)
{
mMax = max;
}
void LLBlockDataF32::calcMinMax()
{
U32 x, y;
mMin = *(F32*)mData;
mMax = mMin;
for (y = 0; y < mHeight; y++)
{
for (x = 0; x < mWidth; x++)
{
F32 data = *(F32*)(mData + y*mRowStride + x*4);
mMin = llmin(data, mMin);
mMax = llmax(data, mMax);
}
}
}
F32 LLBlockDataF32::getMin() const
{
return mMin;
}
F32 LLBlockDataF32::getMax() const
{
return mMax;
}
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