diff options
Diffstat (limited to 'indra/llimage/llimagedxt.h')
| -rw-r--r-- | indra/llimage/llimagedxt.h | 198 |
1 files changed, 99 insertions, 99 deletions
diff --git a/indra/llimage/llimagedxt.h b/indra/llimage/llimagedxt.h index a4a9bcf99c..06b1d3fbe2 100644 --- a/indra/llimage/llimagedxt.h +++ b/indra/llimage/llimagedxt.h @@ -1,24 +1,24 @@ -/** +/** * @file llimagedxt.h * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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 * $/LicenseInfo$ */ @@ -34,108 +34,108 @@ class LLImageDXT : public LLImageFormatted { public: - enum EFileFormat - { - FORMAT_UNKNOWN = 0, - FORMAT_I8 = 1, - FORMAT_A8, - FORMAT_RGB8, - FORMAT_RGBA8, - FORMAT_DXT1, - FORMAT_DXT2, - FORMAT_DXT3, - FORMAT_DXT4, - FORMAT_DXT5, - FORMAT_DXR1, - FORMAT_DXR2, - FORMAT_DXR3, - FORMAT_DXR4, - FORMAT_DXR5, - FORMAT_NOFILE = 0xff, - }; - - struct dxtfile_header_old_t - { - S32 format; - S32 maxlevel; - S32 maxwidth; - S32 maxheight; - }; - - struct dxtfile_header_t - { - S32 fourcc; - // begin DDSURFACEDESC2 struct - S32 header_size; // size of the header - S32 flags; // flags - unused - S32 maxheight; - S32 maxwidth; - S32 image_size; // size of the compressed image - S32 depth; - S32 num_mips; - S32 reserved[11]; - struct pixel_format - { - S32 struct_size; // size of this structure - S32 flags; - S32 fourcc; - S32 bit_count; - S32 r_mask; - S32 g_mask; - S32 b_mask; - S32 a_mask; - } pixel_fmt; - S32 caps[4]; - S32 reserved2; - }; + enum EFileFormat + { + FORMAT_UNKNOWN = 0, + FORMAT_I8 = 1, + FORMAT_A8, + FORMAT_RGB8, + FORMAT_RGBA8, + FORMAT_DXT1, + FORMAT_DXT2, + FORMAT_DXT3, + FORMAT_DXT4, + FORMAT_DXT5, + FORMAT_DXR1, + FORMAT_DXR2, + FORMAT_DXR3, + FORMAT_DXR4, + FORMAT_DXR5, + FORMAT_NOFILE = 0xff, + }; + + struct dxtfile_header_old_t + { + S32 format; + S32 maxlevel; + S32 maxwidth; + S32 maxheight; + }; + + struct dxtfile_header_t + { + S32 fourcc; + // begin DDSURFACEDESC2 struct + S32 header_size; // size of the header + S32 flags; // flags - unused + S32 maxheight; + S32 maxwidth; + S32 image_size; // size of the compressed image + S32 depth; + S32 num_mips; + S32 reserved[11]; + struct pixel_format + { + S32 struct_size; // size of this structure + S32 flags; + S32 fourcc; + S32 bit_count; + S32 r_mask; + S32 g_mask; + S32 b_mask; + S32 a_mask; + } pixel_fmt; + S32 caps[4]; + S32 reserved2; + }; protected: - /*virtual*/ ~LLImageDXT(); + /*virtual*/ ~LLImageDXT(); private: - bool encodeDXT(const LLImageRaw* raw_image, F32 decode_time, bool explicit_mips); - + bool encodeDXT(const LLImageRaw* raw_image, F32 decode_time, bool explicit_mips); + public: - LLImageDXT(); - - /*virtual*/ std::string getExtension() { return std::string("dxt"); } - /*virtual*/ bool updateData(); - - /*virtual*/ bool decode(LLImageRaw* raw_image, F32 decode_time); - /*virtual*/ bool encode(const LLImageRaw* raw_image, F32 encode_time); - - /*virtual*/ S32 calcHeaderSize(); - /*virtual*/ S32 calcDataSize(S32 discard_level = 0); - - bool getMipData(LLPointer<LLImageRaw>& raw, S32 discard=-1); - - void setFormat(); - S32 getMipOffset(S32 discard); - - EFileFormat getFileFormat() { return mFileFormat; } - bool isCompressed() { return (mFileFormat >= FORMAT_DXT1 && mFileFormat <= FORMAT_DXR5); } - - bool convertToDXR(); // convert from DXT to DXR - - static void checkMinWidthHeight(EFileFormat format, S32& width, S32& height); - static S32 formatBits(EFileFormat format); - static S32 formatBytes(EFileFormat format, S32 width, S32 height); - static S32 formatOffset(EFileFormat format, S32 width, S32 height, S32 max_width, S32 max_height); - static S32 formatComponents(EFileFormat format); - - static EFileFormat getFormat(S32 fourcc); - static S32 getFourCC(EFileFormat format); - - static void calcDiscardWidthHeight(S32 discard_level, EFileFormat format, S32& width, S32& height); - static S32 calcNumMips(S32 width, S32 height); + LLImageDXT(); + + /*virtual*/ std::string getExtension() { return std::string("dxt"); } + /*virtual*/ bool updateData(); + + /*virtual*/ bool decode(LLImageRaw* raw_image, F32 decode_time); + /*virtual*/ bool encode(const LLImageRaw* raw_image, F32 encode_time); + + /*virtual*/ S32 calcHeaderSize(); + /*virtual*/ S32 calcDataSize(S32 discard_level = 0); + + bool getMipData(LLPointer<LLImageRaw>& raw, S32 discard=-1); + + void setFormat(); + S32 getMipOffset(S32 discard); + + EFileFormat getFileFormat() { return mFileFormat; } + bool isCompressed() { return (mFileFormat >= FORMAT_DXT1 && mFileFormat <= FORMAT_DXR5); } + + bool convertToDXR(); // convert from DXT to DXR + + static void checkMinWidthHeight(EFileFormat format, S32& width, S32& height); + static S32 formatBits(EFileFormat format); + static S32 formatBytes(EFileFormat format, S32 width, S32 height); + static S32 formatOffset(EFileFormat format, S32 width, S32 height, S32 max_width, S32 max_height); + static S32 formatComponents(EFileFormat format); + + static EFileFormat getFormat(S32 fourcc); + static S32 getFourCC(EFileFormat format); + + static void calcDiscardWidthHeight(S32 discard_level, EFileFormat format, S32& width, S32& height); + static S32 calcNumMips(S32 width, S32 height); private: - static void extractMip(const U8 *indata, U8* mipdata, int width, int height, - int mip_width, int mip_height, EFileFormat format); - + static void extractMip(const U8 *indata, U8* mipdata, int width, int height, + int mip_width, int mip_height, EFileFormat format); + private: - EFileFormat mFileFormat; - S32 mHeaderSize; + EFileFormat mFileFormat; + S32 mHeaderSize; }; #endif |