Merge branch 'marchcat/w-whitespace' into marchcat/x-ws-merge

1 files changed, 382 insertions, 382 deletions

diff --git a/indra/llimage/llimagedxt.cpp b/indra/llimage/llimagedxt.cpp
index ae76c5243f..f75b1a72df 100644
--- a/indra/llimage/llimagedxt.cpp
+++ b/indra/llimage/llimagedxt.cpp
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file llimagedxt.cpp
  *
  * $LicenseInfo:firstyear=2001&license=viewerlgpl$
  * 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
  * $/LicenseInfo$
  */
@@ -31,139 +31,139 @@
 //static
 void LLImageDXT::checkMinWidthHeight(EFileFormat format, S32& width, S32& height)
 {
-	S32 mindim = (format >= FORMAT_DXT1 && format <= FORMAT_DXR5) ? 4 : 1;
-	width = llmax(width, mindim);
-	height = llmax(height, mindim);
+    S32 mindim = (format >= FORMAT_DXT1 && format <= FORMAT_DXR5) ? 4 : 1;
+    width = llmax(width, mindim);
+    height = llmax(height, mindim);
 }
 
 //static
 S32 LLImageDXT::formatBits(EFileFormat format)
 {
-	switch (format)
-	{
- 	  case FORMAT_DXT1: 	return 4;
-	  case FORMAT_DXR1: 	return 4;
-	  case FORMAT_I8:		return 8;
-	  case FORMAT_A8:		return 8;
- 	  case FORMAT_DXT3:		return 8;
-	  case FORMAT_DXR3:		return 8;
- 	  case FORMAT_DXR5:		return 8;
- 	  case FORMAT_DXT5:		return 8;
-	  case FORMAT_RGB8:		return 24;
-	  case FORMAT_RGBA8:	return 32;
-	  default:
-		LL_ERRS() << "LLImageDXT::Unknown format: " << format << LL_ENDL;
-		return 0;
-	}
+    switch (format)
+    {
+      case FORMAT_DXT1:     return 4;
+      case FORMAT_DXR1:     return 4;
+      case FORMAT_I8:       return 8;
+      case FORMAT_A8:       return 8;
+      case FORMAT_DXT3:     return 8;
+      case FORMAT_DXR3:     return 8;
+      case FORMAT_DXR5:     return 8;
+      case FORMAT_DXT5:     return 8;
+      case FORMAT_RGB8:     return 24;
+      case FORMAT_RGBA8:    return 32;
+      default:
+        LL_ERRS() << "LLImageDXT::Unknown format: " << format << LL_ENDL;
+        return 0;
+    }
 };
 
 //static
 S32 LLImageDXT::formatBytes(EFileFormat format, S32 width, S32 height)
 {
-	checkMinWidthHeight(format, width, height);
-	S32 bytes = ((width*height*formatBits(format)+7)>>3);
-	S32 aligned = (bytes+3)&~3;
-	return aligned;
+    checkMinWidthHeight(format, width, height);
+    S32 bytes = ((width*height*formatBits(format)+7)>>3);
+    S32 aligned = (bytes+3)&~3;
+    return aligned;
 }
 
 //static
 S32 LLImageDXT::formatComponents(EFileFormat format)
 {
-	switch (format)
-	{
- 	  case FORMAT_DXT1: 	return 3;
-	  case FORMAT_DXR1: 	return 3;
-	  case FORMAT_I8:		return 1;
-	  case FORMAT_A8:		return 1;
- 	  case FORMAT_DXT3:		return 4;
-	  case FORMAT_DXR3:		return 4;
- 	  case FORMAT_DXT5:		return 4;
- 	  case FORMAT_DXR5:		return 4;
-	  case FORMAT_RGB8:		return 3;
-	  case FORMAT_RGBA8:	return 4;
-	  default:
-		LL_ERRS() << "LLImageDXT::Unknown format: " << format << LL_ENDL;
-		return 0;
-	}
+    switch (format)
+    {
+      case FORMAT_DXT1:     return 3;
+      case FORMAT_DXR1:     return 3;
+      case FORMAT_I8:       return 1;
+      case FORMAT_A8:       return 1;
+      case FORMAT_DXT3:     return 4;
+      case FORMAT_DXR3:     return 4;
+      case FORMAT_DXT5:     return 4;
+      case FORMAT_DXR5:     return 4;
+      case FORMAT_RGB8:     return 3;
+      case FORMAT_RGBA8:    return 4;
+      default:
+        LL_ERRS() << "LLImageDXT::Unknown format: " << format << LL_ENDL;
+        return 0;
+    }
 };
 
-// static 
+// static
 LLImageDXT::EFileFormat LLImageDXT::getFormat(S32 fourcc)
 {
-	switch(fourcc)
-	{
-		case 0x20203849: return FORMAT_I8;
-		case 0x20203841: return FORMAT_A8;
-		case 0x20424752: return FORMAT_RGB8;
-		case 0x41424752: return FORMAT_RGBA8;
-		case 0x31525844: return FORMAT_DXR1;
-		case 0x32525844: return FORMAT_DXR2;
-		case 0x33525844: return FORMAT_DXR3;
-		case 0x34525844: return FORMAT_DXR4;
-		case 0x35525844: return FORMAT_DXR5;
-		case 0x31545844: return FORMAT_DXT1;
-		case 0x32545844: return FORMAT_DXT2;
-		case 0x33545844: return FORMAT_DXT3;
-		case 0x34545844: return FORMAT_DXT4;
-		case 0x35545844: return FORMAT_DXT5;
-		default: return FORMAT_UNKNOWN;
-	}
+    switch(fourcc)
+    {
+        case 0x20203849: return FORMAT_I8;
+        case 0x20203841: return FORMAT_A8;
+        case 0x20424752: return FORMAT_RGB8;
+        case 0x41424752: return FORMAT_RGBA8;
+        case 0x31525844: return FORMAT_DXR1;
+        case 0x32525844: return FORMAT_DXR2;
+        case 0x33525844: return FORMAT_DXR3;
+        case 0x34525844: return FORMAT_DXR4;
+        case 0x35525844: return FORMAT_DXR5;
+        case 0x31545844: return FORMAT_DXT1;
+        case 0x32545844: return FORMAT_DXT2;
+        case 0x33545844: return FORMAT_DXT3;
+        case 0x34545844: return FORMAT_DXT4;
+        case 0x35545844: return FORMAT_DXT5;
+        default: return FORMAT_UNKNOWN;
+    }
 }
 
 //static
 S32 LLImageDXT::getFourCC(EFileFormat format)
 {
-	switch(format)
-	{
-		case FORMAT_I8: return 0x20203849;
-		case FORMAT_A8: return 0x20203841;
-		case FORMAT_RGB8: return 0x20424752;
-		case FORMAT_RGBA8: return 0x41424752;
-		case FORMAT_DXR1: return 0x31525844;
-		case FORMAT_DXR2: return 0x32525844;
-		case FORMAT_DXR3: return 0x33525844;
-		case FORMAT_DXR4: return 0x34525844;
-		case FORMAT_DXR5: return 0x35525844;
-		case FORMAT_DXT1: return 0x31545844;
-		case FORMAT_DXT2: return 0x32545844;
-		case FORMAT_DXT3: return 0x33545844;
-		case FORMAT_DXT4: return 0x34545844;
-		case FORMAT_DXT5: return 0x35545844;
-		default: return 0x00000000;
-	}
+    switch(format)
+    {
+        case FORMAT_I8: return 0x20203849;
+        case FORMAT_A8: return 0x20203841;
+        case FORMAT_RGB8: return 0x20424752;
+        case FORMAT_RGBA8: return 0x41424752;
+        case FORMAT_DXR1: return 0x31525844;
+        case FORMAT_DXR2: return 0x32525844;
+        case FORMAT_DXR3: return 0x33525844;
+        case FORMAT_DXR4: return 0x34525844;
+        case FORMAT_DXR5: return 0x35525844;
+        case FORMAT_DXT1: return 0x31545844;
+        case FORMAT_DXT2: return 0x32545844;
+        case FORMAT_DXT3: return 0x33545844;
+        case FORMAT_DXT4: return 0x34545844;
+        case FORMAT_DXT5: return 0x35545844;
+        default: return 0x00000000;
+    }
 }
 
 //static
 void LLImageDXT::calcDiscardWidthHeight(S32 discard_level, EFileFormat format, S32& width, S32& height)
 {
-	while (discard_level > 0 && width > 1 && height > 1)
-	{
-		discard_level--;
-		width >>= 1;
-		height >>= 1;
-	}
-	checkMinWidthHeight(format, width, height);
+    while (discard_level > 0 && width > 1 && height > 1)
+    {
+        discard_level--;
+        width >>= 1;
+        height >>= 1;
+    }
+    checkMinWidthHeight(format, width, height);
 }
 
 //static
 S32 LLImageDXT::calcNumMips(S32 width, S32 height)
 {
-	S32 nmips = 0;
-	while (width > 0 && height > 0)
-	{
-		width >>= 1;
-		height >>= 1;
-		nmips++;
-	}
-	return nmips;
+    S32 nmips = 0;
+    while (width > 0 && height > 0)
+    {
+        width >>= 1;
+        height >>= 1;
+        nmips++;
+    }
+    return nmips;
 }
 
 //============================================================================
 
 LLImageDXT::LLImageDXT()
-	: LLImageFormatted(IMG_CODEC_DXT),
-	  mFileFormat(FORMAT_UNKNOWN),
-	  mHeaderSize(0)
+    : LLImageFormatted(IMG_CODEC_DXT),
+      mFileFormat(FORMAT_UNKNOWN),
+      mHeaderSize(0)
 {
 }
 
@@ -174,338 +174,338 @@ LLImageDXT::~LLImageDXT()
 // virtual
 bool LLImageDXT::updateData()
 {
-	resetLastError();
-
-	U8* data = getData();
-	S32 data_size = getDataSize();
-	
-	if (!data || !data_size)
-	{
-		setLastError("LLImageDXT uninitialized");
-		return false;
-	}
-
-	S32 width, height, miplevelmax;
-	dxtfile_header_t* header = (dxtfile_header_t*)data;
-	if (header->fourcc != 0x20534444)
-	{
-		dxtfile_header_old_t* oldheader = (dxtfile_header_old_t*)header;
-		mHeaderSize = sizeof(dxtfile_header_old_t);
-		mFileFormat = EFileFormat(oldheader->format);
-		miplevelmax = llmin(oldheader->maxlevel,MAX_IMAGE_MIP);
-		width = oldheader->maxwidth;
-		height = oldheader->maxheight;
-	}
-	else
-	{
-		mHeaderSize = sizeof(dxtfile_header_t);
-		mFileFormat = getFormat(header->pixel_fmt.fourcc);
-		miplevelmax = llmin(header->num_mips-1,MAX_IMAGE_MIP);
-		width = header->maxwidth;
-		height = header->maxheight;
-	}
-
-	if (data_size < mHeaderSize)
-	{
-		LL_ERRS() << "LLImageDXT: not enough data" << LL_ENDL;
-	}
-	S32 ncomponents = formatComponents(mFileFormat);
-	setSize(width, height, ncomponents);
-
-	S32 discard = calcDiscardLevelBytes(data_size);
-	discard = llmin(discard, miplevelmax);
-	setDiscardLevel(discard);
-
-	return true;
+    resetLastError();
+
+    U8* data = getData();
+    S32 data_size = getDataSize();
+
+    if (!data || !data_size)
+    {
+        setLastError("LLImageDXT uninitialized");
+        return false;
+    }
+
+    S32 width, height, miplevelmax;
+    dxtfile_header_t* header = (dxtfile_header_t*)data;
+    if (header->fourcc != 0x20534444)
+    {
+        dxtfile_header_old_t* oldheader = (dxtfile_header_old_t*)header;
+        mHeaderSize = sizeof(dxtfile_header_old_t);
+        mFileFormat = EFileFormat(oldheader->format);
+        miplevelmax = llmin(oldheader->maxlevel,MAX_IMAGE_MIP);
+        width = oldheader->maxwidth;
+        height = oldheader->maxheight;
+    }
+    else
+    {
+        mHeaderSize = sizeof(dxtfile_header_t);
+        mFileFormat = getFormat(header->pixel_fmt.fourcc);
+        miplevelmax = llmin(header->num_mips-1,MAX_IMAGE_MIP);
+        width = header->maxwidth;
+        height = header->maxheight;
+    }
+
+    if (data_size < mHeaderSize)
+    {
+        LL_ERRS() << "LLImageDXT: not enough data" << LL_ENDL;
+    }
+    S32 ncomponents = formatComponents(mFileFormat);
+    setSize(width, height, ncomponents);
+
+    S32 discard = calcDiscardLevelBytes(data_size);
+    discard = llmin(discard, miplevelmax);
+    setDiscardLevel(discard);
+
+    return true;
 }
 
 // discard: 0 = largest (last) mip
 S32 LLImageDXT::getMipOffset(S32 discard)
 {
-	if (mFileFormat >= FORMAT_DXT1 && mFileFormat <= FORMAT_DXT5)
-	{
-		LL_ERRS() << "getMipOffset called with old (unsupported) format" << LL_ENDL;
-	}
-	S32 width = getWidth(), height = getHeight();
-	S32 num_mips = calcNumMips(width, height);
-	discard = llclamp(discard, 0, num_mips-1);
-	S32 last_mip = num_mips-1-discard;
-	llassert(mHeaderSize > 0);
-	S32 offset = mHeaderSize;
-	for (S32 mipidx = num_mips-1; mipidx >= 0; mipidx--)
-	{
-		if (mipidx < last_mip)
-		{
-			offset += formatBytes(mFileFormat, width, height);
-		}
-		width >>= 1;
-		height >>= 1;
-	}
-	return offset;
+    if (mFileFormat >= FORMAT_DXT1 && mFileFormat <= FORMAT_DXT5)
+    {
+        LL_ERRS() << "getMipOffset called with old (unsupported) format" << LL_ENDL;
+    }
+    S32 width = getWidth(), height = getHeight();
+    S32 num_mips = calcNumMips(width, height);
+    discard = llclamp(discard, 0, num_mips-1);
+    S32 last_mip = num_mips-1-discard;
+    llassert(mHeaderSize > 0);
+    S32 offset = mHeaderSize;
+    for (S32 mipidx = num_mips-1; mipidx >= 0; mipidx--)
+    {
+        if (mipidx < last_mip)
+        {
+            offset += formatBytes(mFileFormat, width, height);
+        }
+        width >>= 1;
+        height >>= 1;
+    }
+    return offset;
 }
 
 void LLImageDXT::setFormat()
 {
-	S32 ncomponents = getComponents();
-	switch (ncomponents)
-	{
-	  case 3: mFileFormat = FORMAT_DXR1; break;
-	  case 4: mFileFormat = FORMAT_DXR3; break;
-	  default: LL_ERRS() << "LLImageDXT::setFormat called with ncomponents = " << ncomponents << LL_ENDL;
-	}
-	mHeaderSize = calcHeaderSize();
+    S32 ncomponents = getComponents();
+    switch (ncomponents)
+    {
+      case 3: mFileFormat = FORMAT_DXR1; break;
+      case 4: mFileFormat = FORMAT_DXR3; break;
+      default: LL_ERRS() << "LLImageDXT::setFormat called with ncomponents = " << ncomponents << LL_ENDL;
+    }
+    mHeaderSize = calcHeaderSize();
 }
-		
+
 // virtual
 bool LLImageDXT::decode(LLImageRaw* raw_image, F32 time)
 {
-	// *TODO: Test! This has been tweaked since its intial inception,
-	//  but we don't use it any more!
-	llassert_always(raw_image);
-	
-	if (mFileFormat >= FORMAT_DXT1 && mFileFormat <= FORMAT_DXR5)
-	{
-		LL_WARNS() << "Attempt to decode compressed LLImageDXT to Raw (unsupported)" << LL_ENDL;
-		return false;
-	}
-	
-	S32 width = getWidth(), height = getHeight();
-	S32 ncomponents = getComponents();
-	U8* data = NULL;
-	if (mDiscardLevel >= 0)
-	{
-		data = getData() + getMipOffset(mDiscardLevel);
-		calcDiscardWidthHeight(mDiscardLevel, mFileFormat, width, height);
-	}
-	else
-	{
-		data = getData() + getMipOffset(0);
-	}
-	S32 image_size = formatBytes(mFileFormat, width, height);
-	
-	if ((!getData()) || (data + image_size > getData() + getDataSize()))
-	{
-		setLastError("LLImageDXT trying to decode an image with not enough data!");
-		return false;
-	}
-
-	if (!raw_image->resize(width, height, ncomponents))
-	{
-		setLastError("llImageDXT failed to resize image!");
-		return false;
-	}
-	memcpy(raw_image->getData(), data, image_size);	/* Flawfinder: ignore */
-
-	return true;
+    // *TODO: Test! This has been tweaked since its intial inception,
+    //  but we don't use it any more!
+    llassert_always(raw_image);
+
+    if (mFileFormat >= FORMAT_DXT1 && mFileFormat <= FORMAT_DXR5)
+    {
+        LL_WARNS() << "Attempt to decode compressed LLImageDXT to Raw (unsupported)" << LL_ENDL;
+        return false;
+    }
+
+    S32 width = getWidth(), height = getHeight();
+    S32 ncomponents = getComponents();
+    U8* data = NULL;
+    if (mDiscardLevel >= 0)
+    {
+        data = getData() + getMipOffset(mDiscardLevel);
+        calcDiscardWidthHeight(mDiscardLevel, mFileFormat, width, height);
+    }
+    else
+    {
+        data = getData() + getMipOffset(0);
+    }
+    S32 image_size = formatBytes(mFileFormat, width, height);
+
+    if ((!getData()) || (data + image_size > getData() + getDataSize()))
+    {
+        setLastError("LLImageDXT trying to decode an image with not enough data!");
+        return false;
+    }
+
+    if (!raw_image->resize(width, height, ncomponents))
+    {
+        setLastError("llImageDXT failed to resize image!");
+        return false;
+    }
+    memcpy(raw_image->getData(), data, image_size); /* Flawfinder: ignore */
+
+    return true;
 }
 
 bool LLImageDXT::getMipData(LLPointer<LLImageRaw>& raw, S32 discard)
 {
-	if (discard < 0)
-	{
-		discard = mDiscardLevel;
-	}
-	else if (discard < mDiscardLevel)
-	{
-		LL_ERRS() << "Request for invalid discard level" << LL_ENDL;
-	}
-	U8* data = getData() + getMipOffset(discard);
-	S32 width = 0;
-	S32 height = 0;
-	calcDiscardWidthHeight(discard, mFileFormat, width, height);
-	raw = new LLImageRaw(data, width, height, getComponents());
-	return true;
+    if (discard < 0)
+    {
+        discard = mDiscardLevel;
+    }
+    else if (discard < mDiscardLevel)
+    {
+        LL_ERRS() << "Request for invalid discard level" << LL_ENDL;
+    }
+    U8* data = getData() + getMipOffset(discard);
+    S32 width = 0;
+    S32 height = 0;
+    calcDiscardWidthHeight(discard, mFileFormat, width, height);
+    raw = new LLImageRaw(data, width, height, getComponents());
+    return true;
 }
 
 bool LLImageDXT::encodeDXT(const LLImageRaw* raw_image, F32 time, bool explicit_mips)
 {
-	llassert_always(raw_image);
-	
-	S32 ncomponents = raw_image->getComponents();
-	EFileFormat format;
-	switch (ncomponents)
-	{
-	  case 1:
-		format = FORMAT_A8;
-		break;
-	  case 3:
-		format = FORMAT_RGB8;
-		break;
-	  case 4:
-		format = FORMAT_RGBA8;
-		break;
-	  default:
-		LL_ERRS() << "LLImageDXT::encode: Unhandled channel number: " << ncomponents << LL_ENDL;
-		return 0;
-	}
-
-	S32 width = raw_image->getWidth();
-	S32 height = raw_image->getHeight();
-
-	if (explicit_mips)
-	{
-		height = (height/3)*2;
-	}
-
-	setSize(width, height, ncomponents);
-	mHeaderSize = sizeof(dxtfile_header_t);
-	mFileFormat = format;
-
-	S32 nmips = calcNumMips(width, height);
-	S32 w = width;
-	S32 h = height;
-
-	S32 totbytes = mHeaderSize;
-	for (S32 mip=0; mip<nmips; mip++)
-	{
-		totbytes += formatBytes(format,w,h);
-		w >>= 1;
-		h >>= 1;
-	}
-
-	allocateData(totbytes);
-
-	U8* data = getData();
-	dxtfile_header_t* header = (dxtfile_header_t*)data;
-	llassert(mHeaderSize > 0);
-	memset(header, 0, mHeaderSize);
-	header->fourcc = 0x20534444;
-	header->pixel_fmt.fourcc = getFourCC(format);
-	header->num_mips = nmips;
-	header->maxwidth = width;
-	header->maxheight = height;
-
-	U8* prev_mipdata = 0;
-	w = width, h = height;
-	for (S32 mip=0; mip<nmips; mip++)
-	{
-		U8* mipdata = data + getMipOffset(mip);
-		S32 bytes = formatBytes(format, w, h);
-		if (mip==0)
-		{
-			memcpy(mipdata, raw_image->getData(), bytes);	/* Flawfinder: ignore */
-		}
-		else if (explicit_mips)
-		{
-			extractMip(raw_image->getData(), mipdata, width, height, w, h, format);
-		}
-		else
-		{
-			generateMip(prev_mipdata, mipdata, w, h, ncomponents);
-		}
-		w >>= 1;
-		h >>= 1;
-		checkMinWidthHeight(format, w, h);
-		prev_mipdata = mipdata;
-	}
-	
-	return true;
+    llassert_always(raw_image);
+
+    S32 ncomponents = raw_image->getComponents();
+    EFileFormat format;
+    switch (ncomponents)
+    {
+      case 1:
+        format = FORMAT_A8;
+        break;
+      case 3:
+        format = FORMAT_RGB8;
+        break;
+      case 4:
+        format = FORMAT_RGBA8;
+        break;
+      default:
+        LL_ERRS() << "LLImageDXT::encode: Unhandled channel number: " << ncomponents << LL_ENDL;
+        return 0;
+    }
+
+    S32 width = raw_image->getWidth();
+    S32 height = raw_image->getHeight();
+
+    if (explicit_mips)
+    {
+        height = (height/3)*2;
+    }
+
+    setSize(width, height, ncomponents);
+    mHeaderSize = sizeof(dxtfile_header_t);
+    mFileFormat = format;
+
+    S32 nmips = calcNumMips(width, height);
+    S32 w = width;
+    S32 h = height;
+
+    S32 totbytes = mHeaderSize;
+    for (S32 mip=0; mip<nmips; mip++)
+    {
+        totbytes += formatBytes(format,w,h);
+        w >>= 1;
+        h >>= 1;
+    }
+
+    allocateData(totbytes);
+
+    U8* data = getData();
+    dxtfile_header_t* header = (dxtfile_header_t*)data;
+    llassert(mHeaderSize > 0);
+    memset(header, 0, mHeaderSize);
+    header->fourcc = 0x20534444;
+    header->pixel_fmt.fourcc = getFourCC(format);
+    header->num_mips = nmips;
+    header->maxwidth = width;
+    header->maxheight = height;
+
+    U8* prev_mipdata = 0;
+    w = width, h = height;
+    for (S32 mip=0; mip<nmips; mip++)
+    {
+        U8* mipdata = data + getMipOffset(mip);
+        S32 bytes = formatBytes(format, w, h);
+        if (mip==0)
+        {
+            memcpy(mipdata, raw_image->getData(), bytes);   /* Flawfinder: ignore */
+        }
+        else if (explicit_mips)
+        {
+            extractMip(raw_image->getData(), mipdata, width, height, w, h, format);
+        }
+        else
+        {
+            generateMip(prev_mipdata, mipdata, w, h, ncomponents);
+        }
+        w >>= 1;
+        h >>= 1;
+        checkMinWidthHeight(format, w, h);
+        prev_mipdata = mipdata;
+    }
+
+    return true;
 }
 
 // virtual
 bool LLImageDXT::encode(const LLImageRaw* raw_image, F32 time)
 {
-	return encodeDXT(raw_image, time, false);
+    return encodeDXT(raw_image, time, false);
 }
 
 // virtual
 bool LLImageDXT::convertToDXR()
 {
-	EFileFormat newformat = FORMAT_UNKNOWN;
-	switch (mFileFormat)
-	{
-	  case FORMAT_DXR1:
-	  case FORMAT_DXR2:
-	  case FORMAT_DXR3:
-	  case FORMAT_DXR4:
-	  case FORMAT_DXR5:
-		return false; // nothing to do
-	  case FORMAT_DXT1: newformat = FORMAT_DXR1; break;
-	  case FORMAT_DXT2: newformat = FORMAT_DXR2; break;
-	  case FORMAT_DXT3: newformat = FORMAT_DXR3; break;
-	  case FORMAT_DXT4: newformat = FORMAT_DXR4; break;
-	  case FORMAT_DXT5: newformat = FORMAT_DXR5; break;
-	  default:
-		LL_WARNS() << "convertToDXR: can not convert format: " << llformat("0x%08x",getFourCC(mFileFormat)) << LL_ENDL;
-		return false;
-	}
-	mFileFormat = newformat;
-	S32 width = getWidth(), height = getHeight();
-	S32 nmips = calcNumMips(width,height);
-	S32 total_bytes = getDataSize();
-	U8* olddata = getData();
-	U8* newdata = (U8*)ll_aligned_malloc_16(total_bytes);
-	if (!newdata)
-	{
+    EFileFormat newformat = FORMAT_UNKNOWN;
+    switch (mFileFormat)
+    {
+      case FORMAT_DXR1:
+      case FORMAT_DXR2:
+      case FORMAT_DXR3:
+      case FORMAT_DXR4:
+      case FORMAT_DXR5:
+        return false; // nothing to do
+      case FORMAT_DXT1: newformat = FORMAT_DXR1; break;
+      case FORMAT_DXT2: newformat = FORMAT_DXR2; break;
+      case FORMAT_DXT3: newformat = FORMAT_DXR3; break;
+      case FORMAT_DXT4: newformat = FORMAT_DXR4; break;
+      case FORMAT_DXT5: newformat = FORMAT_DXR5; break;
+      default:
+        LL_WARNS() << "convertToDXR: can not convert format: " << llformat("0x%08x",getFourCC(mFileFormat)) << LL_ENDL;
+        return false;
+    }
+    mFileFormat = newformat;
+    S32 width = getWidth(), height = getHeight();
+    S32 nmips = calcNumMips(width,height);
+    S32 total_bytes = getDataSize();
+    U8* olddata = getData();
+    U8* newdata = (U8*)ll_aligned_malloc_16(total_bytes);
+    if (!newdata)
+    {
         LLError::LLUserWarningMsg::showOutOfMemory();
-		LL_ERRS() << "Out of memory in LLImageDXT::convertToDXR()" << LL_ENDL;
-		return false;
-	}
-	llassert(total_bytes > 0);
-	memset(newdata, 0, total_bytes);
-	memcpy(newdata, olddata, mHeaderSize);	/* Flawfinder: ignore */
-	for (S32 mip=0; mip<nmips; mip++)
-	{
-		S32 bytes = formatBytes(mFileFormat, width, height);
-		S32 newoffset = getMipOffset(mip);
-		S32 oldoffset = mHeaderSize + (total_bytes - newoffset - bytes);
-		memcpy(newdata + newoffset, olddata + oldoffset, bytes);	/* Flawfinder: ignore */
-		width >>= 1;
-		height >>= 1;
-	}
-	dxtfile_header_t* header = (dxtfile_header_t*)newdata;
-	header->pixel_fmt.fourcc = getFourCC(newformat);
-	setData(newdata, total_bytes);
-	updateData();
-	return true;
+        LL_ERRS() << "Out of memory in LLImageDXT::convertToDXR()" << LL_ENDL;
+        return false;
+    }
+    llassert(total_bytes > 0);
+    memset(newdata, 0, total_bytes);
+    memcpy(newdata, olddata, mHeaderSize);  /* Flawfinder: ignore */
+    for (S32 mip=0; mip<nmips; mip++)
+    {
+        S32 bytes = formatBytes(mFileFormat, width, height);
+        S32 newoffset = getMipOffset(mip);
+        S32 oldoffset = mHeaderSize + (total_bytes - newoffset - bytes);
+        memcpy(newdata + newoffset, olddata + oldoffset, bytes);    /* Flawfinder: ignore */
+        width >>= 1;
+        height >>= 1;
+    }
+    dxtfile_header_t* header = (dxtfile_header_t*)newdata;
+    header->pixel_fmt.fourcc = getFourCC(newformat);
+    setData(newdata, total_bytes);
+    updateData();
+    return true;
 }
 
 // virtual
 S32 LLImageDXT::calcHeaderSize()
 {
-	return llmax(sizeof(dxtfile_header_old_t), sizeof(dxtfile_header_t));
+    return llmax(sizeof(dxtfile_header_old_t), sizeof(dxtfile_header_t));
 }
 
 // virtual
 S32 LLImageDXT::calcDataSize(S32 discard_level)
 {
-	if (mFileFormat == FORMAT_UNKNOWN)
-	{
-		LL_ERRS() << "calcDataSize called with unloaded LLImageDXT" << LL_ENDL;
-		return 0;
-	}
-	if (discard_level < 0)
-	{
-		discard_level = mDiscardLevel;
-	}
-	S32 bytes = getMipOffset(discard_level); // size of header + previous mips
-	S32 w = getWidth() >> discard_level;
-	S32 h = getHeight() >> discard_level;
-	bytes += formatBytes(mFileFormat,w,h);
-	return bytes;
+    if (mFileFormat == FORMAT_UNKNOWN)
+    {
+        LL_ERRS() << "calcDataSize called with unloaded LLImageDXT" << LL_ENDL;
+        return 0;
+    }
+    if (discard_level < 0)
+    {
+        discard_level = mDiscardLevel;
+    }
+    S32 bytes = getMipOffset(discard_level); // size of header + previous mips
+    S32 w = getWidth() >> discard_level;
+    S32 h = getHeight() >> discard_level;
+    bytes += formatBytes(mFileFormat,w,h);
+    return bytes;
 }
 
 //============================================================================
 
 //static
 void LLImageDXT::extractMip(const U8 *indata, U8* mipdata, int width, int height,
-							int mip_width, int mip_height, EFileFormat format)
+                            int mip_width, int mip_height, EFileFormat format)
 {
-	int initial_offset = formatBytes(format, width, height);
-	int line_width = formatBytes(format, width, 1);
-	int mip_line_width = formatBytes(format, mip_width, 1);
-	int line_offset = 0;
-
-	for (int ww=width>>1; ww>mip_width; ww>>=1)
-	{
-		line_offset += formatBytes(format, ww, 1);
-	}
-
-	for (int h=0;h<mip_height;++h)
-	{
-		int start_offset = initial_offset + line_width * h + line_offset;
-		memcpy(mipdata + mip_line_width*h, indata + start_offset, mip_line_width);	/* Flawfinder: ignore */
-	}
+    int initial_offset = formatBytes(format, width, height);
+    int line_width = formatBytes(format, width, 1);
+    int mip_line_width = formatBytes(format, mip_width, 1);
+    int line_offset = 0;
+
+    for (int ww=width>>1; ww>mip_width; ww>>=1)
+    {
+        line_offset += formatBytes(format, ww, 1);
+    }
+
+    for (int h=0;h<mip_height;++h)
+    {
+        int start_offset = initial_offset + line_width * h + line_offset;
+        memcpy(mipdata + mip_line_width*h, indata + start_offset, mip_line_width);  /* Flawfinder: ignore */
+    }
 }
 
 //============================================================================