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authorAndrey Lihatskiy <alihatskiy@productengine.com>2024-04-29 07:43:28 +0300
committerAndrey Lihatskiy <alihatskiy@productengine.com>2024-04-29 07:56:09 +0300
commit1b68f71348ecf3983b76b40d7940da8377f049b7 (patch)
tree2974eddaef130a067c26033d60a59fc790365b3d /indra/llimage/llimagedxt.cpp
parentaf4ea94efc1999f3b19fd8d643d0331f0b77e265 (diff)
#824 Process source files in bulk: replace tabs with spaces, convert CRLF to LF, and trim trailing whitespaces as needed
Diffstat (limited to 'indra/llimage/llimagedxt.cpp')
-rw-r--r--indra/llimage/llimagedxt.cpp764
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 */
+ }
}
//============================================================================