mirror of https://github.com/FWGS/xash3d-fwgs
117 lines
4.0 KiB
C
117 lines
4.0 KiB
C
/*
|
|
img_dds.h - dds format reference
|
|
Copyright (C) 2015 Uncle Mike
|
|
|
|
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.
|
|
*/
|
|
#ifndef IMG_DDS_H
|
|
#define IMG_DDS_H
|
|
/*
|
|
========================================================================
|
|
|
|
.DDS image format
|
|
|
|
========================================================================
|
|
*/
|
|
#define DDSHEADER ((' '<<24)+('S'<<16)+('D'<<8)+'D') // little-endian "DDS "
|
|
|
|
// various four-cc types
|
|
#define TYPE_DXT1 (('1'<<24)+('T'<<16)+('X'<<8)+'D') // little-endian "DXT1"
|
|
#define TYPE_DXT2 (('2'<<24)+('T'<<16)+('X'<<8)+'D') // little-endian "DXT2"
|
|
#define TYPE_DXT3 (('3'<<24)+('T'<<16)+('X'<<8)+'D') // little-endian "DXT3"
|
|
#define TYPE_DXT4 (('4'<<24)+('T'<<16)+('X'<<8)+'D') // little-endian "DXT4"
|
|
#define TYPE_DXT5 (('5'<<24)+('T'<<16)+('X'<<8)+'D') // little-endian "DXT5"
|
|
#define TYPE_ATI1 (('1'<<24)+('I'<<16)+('T'<<8)+'A') // little-endian "ATI1"
|
|
#define TYPE_ATI2 (('2'<<24)+('I'<<16)+('T'<<8)+'A') // little-endian "ATI2"
|
|
#define TYPE_RXGB (('B'<<24)+('G'<<16)+('X'<<8)+'R') // little-endian "RXGB" doom3 normalmaps
|
|
#define TYPE_$ (('\0'<<24)+('\0'<<16)+('\0'<<8)+'$') // little-endian "$"
|
|
#define TYPE_o (('\0'<<24)+('\0'<<16)+('\0'<<8)+'o') // little-endian "o"
|
|
#define TYPE_p (('\0'<<24)+('\0'<<16)+('\0'<<8)+'p') // little-endian "p"
|
|
#define TYPE_q (('\0'<<24)+('\0'<<16)+('\0'<<8)+'q') // little-endian "q"
|
|
#define TYPE_r (('\0'<<24)+('\0'<<16)+('\0'<<8)+'r') // little-endian "r"
|
|
#define TYPE_s (('\0'<<24)+('\0'<<16)+('\0'<<8)+'s') // little-endian "s"
|
|
#define TYPE_t (('\0'<<24)+('\0'<<16)+('\0'<<8)+'t') // little-endian "t"
|
|
|
|
// dwFlags1
|
|
#define DDS_CAPS 0x00000001L
|
|
#define DDS_HEIGHT 0x00000002L
|
|
#define DDS_WIDTH 0x00000004L
|
|
#define DDS_PITCH 0x00000008L
|
|
#define DDS_PIXELFORMAT 0x00001000L
|
|
#define DDS_MIPMAPCOUNT 0x00020000L
|
|
#define DDS_LINEARSIZE 0x00080000L
|
|
#define DDS_DEPTH 0x00800000L
|
|
|
|
// dwFlags2
|
|
#define DDS_ALPHAPIXELS 0x00000001L
|
|
#define DDS_ALPHA 0x00000002L
|
|
#define DDS_FOURCC 0x00000004L
|
|
#define DDS_RGB 0x00000040L
|
|
#define DDS_RGBA 0x00000041L // (DDS_RGB|DDS_ALPHAPIXELS)
|
|
#define DDS_LUMINANCE 0x00020000L
|
|
#define DDS_DUDV 0x00080000L
|
|
|
|
// dwCaps1
|
|
#define DDS_COMPLEX 0x00000008L
|
|
#define DDS_TEXTURE 0x00001000L
|
|
#define DDS_MIPMAP 0x00400000L
|
|
|
|
// dwCaps2
|
|
#define DDS_CUBEMAP 0x00000200L
|
|
#define DDS_CUBEMAP_POSITIVEX 0x00000400L
|
|
#define DDS_CUBEMAP_NEGATIVEX 0x00000800L
|
|
#define DDS_CUBEMAP_POSITIVEY 0x00001000L
|
|
#define DDS_CUBEMAP_NEGATIVEY 0x00002000L
|
|
#define DDS_CUBEMAP_POSITIVEZ 0x00004000L
|
|
#define DDS_CUBEMAP_NEGATIVEZ 0x00008000L
|
|
#define DDS_CUBEMAP_ALL_SIDES 0x0000FC00L
|
|
#define DDS_VOLUME 0x00200000L
|
|
|
|
typedef struct dds_pf_s
|
|
{
|
|
uint32_t dwSize;
|
|
uint32_t dwFlags;
|
|
uint32_t dwFourCC;
|
|
uint32_t dwRGBBitCount;
|
|
uint32_t dwRBitMask;
|
|
uint32_t dwGBitMask;
|
|
uint32_t dwBBitMask;
|
|
uint32_t dwABitMask;
|
|
} dds_pixf_t;
|
|
|
|
// DDCAPS2
|
|
typedef struct dds_caps_s
|
|
{
|
|
uint32_t dwCaps1;
|
|
uint32_t dwCaps2;
|
|
uint32_t dwCaps3; // currently unused
|
|
uint32_t dwCaps4; // currently unused
|
|
} dds_caps_t;
|
|
|
|
typedef struct dds_s
|
|
{
|
|
uint32_t dwIdent; // must matched with DDSHEADER
|
|
uint32_t dwSize;
|
|
uint32_t dwFlags; // determines what fields are valid
|
|
uint32_t dwHeight;
|
|
uint32_t dwWidth;
|
|
uint32_t dwLinearSize; // Formless late-allocated optimized surface size
|
|
uint32_t dwDepth; // depth if a volume texture
|
|
uint32_t dwMipMapCount; // number of mip-map levels requested
|
|
uint32_t dwAlphaBitDepth; // depth of alpha buffer requested
|
|
uint32_t dwReserved1[10]; // reserved for future expansions
|
|
dds_pixf_t dsPixelFormat;
|
|
dds_caps_t dsCaps;
|
|
uint32_t dwTextureStage;
|
|
} dds_t;
|
|
#endif // IMG_DDS_H
|
|
|