You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
142 lines
5.8 KiB
142 lines
5.8 KiB
/*==LICENSE==* |
|
|
|
CyanWorlds.com Engine - MMOG client, server and tools |
|
Copyright (C) 2011 Cyan Worlds, Inc. |
|
|
|
This program is free software: you can redistribute it and/or modify |
|
it under the terms of the GNU General Public License as published by |
|
the Free Software Foundation, either version 3 of the License, or |
|
(at your option) any later version. |
|
|
|
This program 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 General Public License for more details. |
|
|
|
You should have received a copy of the GNU General Public License |
|
along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
|
|
You can contact Cyan Worlds, Inc. by email legal@cyan.com |
|
or by snail mail at: |
|
Cyan Worlds, Inc. |
|
14617 N Newport Hwy |
|
Mead, WA 99021 |
|
|
|
*==LICENSE==*/ |
|
#ifndef __HSDXTSOFTWARECODEC_H |
|
#define __HSDXTSOFTWARECODEC_H |
|
|
|
#include "HeadSpin.h" |
|
#include "hsCodec.h" |
|
|
|
class plMipmap; |
|
|
|
class hsDXTSoftwareCodec : public hsCodec |
|
{ |
|
private: |
|
hsDXTSoftwareCodec(); |
|
public: |
|
~hsDXTSoftwareCodec(); |
|
static hsDXTSoftwareCodec& Instance(); |
|
|
|
static void Init() { fRegistered = Register(); } |
|
|
|
plMipmap *CreateCompressedMipmap(plMipmap *uncompressed); |
|
|
|
// Uncompresses the given source into a new destination mipmap |
|
plMipmap *CreateUncompressedMipmap( plMipmap *compressed, UInt8 flags = 0 ); |
|
|
|
// Colorize a compressed mipmap |
|
hsBool ColorizeCompMipmap( plMipmap *bMap, const UInt8 *colorMask ); |
|
|
|
private: |
|
enum { |
|
kFourColorEncoding, |
|
kThreeColorEncoding |
|
}; |
|
|
|
void CompressMipmapLevel( plMipmap *uncompressed, plMipmap *compressed ); |
|
|
|
UInt16 BlendColors16(UInt16 weight1, UInt16 color1, UInt16 weight2, UInt16 color2); |
|
hsRGBAColor32 BlendColors32(UInt32 weight1, hsRGBAColor32 color1, UInt32 weight2, hsRGBAColor32 color2); |
|
Int32 ColorDistanceARGBSquared(hsRGBAColor32 color1, hsRGBAColor32 color2); |
|
UInt16 Color32To16(hsRGBAColor32 color); |
|
|
|
// Calculates the DXT format based on a mipmap |
|
UInt8 ICalcCompressedFormat( plMipmap *bMap ); |
|
|
|
// Copy over a block from a mipmap level to a destination mipmap, converting if necessary |
|
void IXlateColorBlock( plMipmap *destBMap, UInt32 *srcBlock, UInt8 flags = 0 ); |
|
|
|
// Creates an uncompressed mipmap with the settings to match |
|
plMipmap *ICreateUncompressedMipmap( plMipmap *compressed, UInt8 flags ); |
|
|
|
// Dispatcher for all the decompression functions |
|
void inline UncompressMipmap( plMipmap *uncompressed, plMipmap *compressed, |
|
UInt8 flags = 0 ); |
|
|
|
// Decompresses a DXT5 compressed mipmap into a RGB4444 mipmap |
|
void IUncompressMipmapDXT5To16( plMipmap *destBMap, plMipmap *srcBMap ); |
|
// Decompresses a DXT5 compressed mipmap into a RGB4444 reversed mipmap |
|
void IUncompressMipmapDXT5To16Weird( plMipmap *destBMap, plMipmap *srcBMap ); |
|
// Decompresses a DXT5 compressed mipmap into a RGB8888 mipmap |
|
void IUncompressMipmapDXT5To32( plMipmap *destBMap, plMipmap *srcBMap ); |
|
|
|
// Decompresses a DXT1 compressed mipmap into a RGB1555 mipmap |
|
void IUncompressMipmapDXT1To16( plMipmap *destBMap, plMipmap *srcBMap ); |
|
// Decompresses a DXT1 compressed mipmap into a RGB5551 mipmap |
|
void IUncompressMipmapDXT1To16Weird( plMipmap *destBMap, plMipmap *srcBMap ); |
|
// Decompresses a DXT1 compressed mipmap into a RGB8888 mipmap |
|
void IUncompressMipmapDXT1To32( plMipmap *destBMap, plMipmap *srcBMap ); |
|
|
|
// Decompresses a DXT1 compressed mipmap into an intensity map |
|
void IUncompressMipmapDXT1ToInten( plMipmap *destBMap, plMipmap *srcBMap ); |
|
// Decompresses a DXT5 compressed mipmap into an alpha-intensity map |
|
void IUncompressMipmapDXT5ToAInten( plMipmap *destBMap, plMipmap *srcBMap ); |
|
|
|
// Mixes two RGB8888 colors equally |
|
UInt32 inline IMixEqualRGB32( UInt32 color1, UInt32 color2 ); |
|
// Mixes two-thirds of the first RGB8888 color and one-third of the second |
|
UInt32 inline IMixTwoThirdsRGB32( UInt32 twoThirds, UInt32 oneThird ); |
|
|
|
// Mixes two RGB1555 colors equally |
|
UInt16 inline IMixEqualRGB1555( UInt16 color1, UInt16 color2 ); |
|
// Mixes two-thirds of the first RGB1555 color and one-third of the second |
|
UInt16 inline IMixTwoThirdsRGB1555( UInt16 twoThirds, UInt16 oneThird ); |
|
|
|
// Mixes two RGB5551 colors equally |
|
UInt16 inline IMixEqualRGB5551( UInt16 color1, UInt16 color2 ); |
|
// Mixes two-thirds of the first RGB5551 color and one-third of the second |
|
UInt16 inline IMixTwoThirdsRGB5551( UInt16 twoThirds, UInt16 oneThird ); |
|
|
|
// Mixes two RGB4444 colors equally |
|
UInt16 inline IMixEqualRGB4444( UInt16 color1, UInt16 color2 ); |
|
// Mixes two-thirds of the first RGB4444 color and one-third of the second |
|
UInt16 inline IMixTwoThirdsRGB4444( UInt16 twoThirds, UInt16 oneThird ); |
|
|
|
// Mixes two intensity values equally |
|
UInt8 inline IMixEqualInten( UInt8 color1, UInt8 color2 ); |
|
// Mixes two-thirds of the first intensity and one-third of the second |
|
UInt8 inline IMixTwoThirdsInten( UInt8 twoThirds, UInt8 oneThird ); |
|
|
|
// Converts a color from RGB565 to RGB8888 format, with alpha=0 |
|
UInt32 inline IRGB16To32Bit( UInt16 color ); |
|
// Converts a color from RGB565 to RGB4444 format, with alpha=0 |
|
UInt16 inline IRGB565To4444( UInt16 color ); |
|
// Converts a color from RGB565 to RGB1555 format, with alpha=0 |
|
UInt16 inline IRGB565To1555( UInt16 color ); |
|
// Converts a color from RGB565 to RGB5551 format, with alpha=0 |
|
UInt16 inline IRGB565To5551( UInt16 color ); |
|
// Converts a color from RGB565 to RGB4444 reversed format, with alpha=0 |
|
UInt16 inline IRGB565To4444Rev( UInt16 color ); |
|
|
|
// Swaps the bytes in a doubleword |
|
UInt32 inline ISwapDwordOrder( UInt32 color ); |
|
// Swaps the bytes in a word |
|
UInt16 inline ISwapWordOrder( UInt16 color ); |
|
|
|
static hsBool Register(); |
|
static hsBool fRegistered; |
|
}; |
|
|
|
#endif // __HSDXTSOFTWARECODEC_H
|
|
|