147 lines
4.2 KiB
C
147 lines
4.2 KiB
C
/****************************************************************************
|
|
This source file is part of OGRE
|
|
Copyright (c) 2000-2009 Torus Knot Software Ltd
|
|
Copyright (c) 2011-2013,WebJet Business Division,CYOU
|
|
|
|
http://www.genesis-3d.com.cn
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
****************************************************************************/
|
|
#ifndef __DDS_Header_H__
|
|
#define __DDS_Header_H__
|
|
|
|
#if __VC__
|
|
#pragma pack (push, 1)
|
|
#else
|
|
#pragma pack (1)
|
|
#endif
|
|
|
|
// Nested structure
|
|
struct DDSPixelFormat
|
|
{
|
|
uint32 size;
|
|
uint32 flags;
|
|
uint32 fourCC;
|
|
uint32 rgbBits;
|
|
uint32 redMask;
|
|
uint32 greenMask;
|
|
uint32 blueMask;
|
|
uint32 alphaMask;
|
|
};
|
|
|
|
// Nested structure
|
|
struct DDSCaps
|
|
{
|
|
uint32 caps1;
|
|
uint32 caps2;
|
|
uint32 reserved[2];
|
|
};
|
|
// Main header, note preceded by 'DDS '
|
|
struct DDSHeader
|
|
{
|
|
uint32 size;
|
|
uint32 flags;
|
|
uint32 height;
|
|
uint32 width;
|
|
uint32 sizeOrPitch;
|
|
uint32 depth;
|
|
uint32 mipMapCount;
|
|
uint32 reserved1[11];
|
|
DDSPixelFormat pixelFormat;
|
|
DDSCaps caps;
|
|
uint32 reserved2;
|
|
};
|
|
|
|
// An 8-byte DXT colour block, represents a 4x4 texel area. Used by all DXT formats
|
|
struct DXTColourBlock
|
|
{
|
|
// 2 colour ranges
|
|
uint16 colour_0;
|
|
uint16 colour_1;
|
|
// 16 2-bit indexes, each byte here is one row
|
|
uint8 indexRow[4];
|
|
};
|
|
// An 8-byte DXT explicit alpha block, represents a 4x4 texel area. Used by DXT2/3
|
|
struct DXTExplicitAlphaBlock
|
|
{
|
|
// 16 4-bit values, each 16-bit value is one row
|
|
uint16 alphaRow[4];
|
|
};
|
|
// An 8-byte DXT interpolated alpha block, represents a 4x4 texel area. Used by DXT4/5
|
|
struct DXTInterpolatedAlphaBlock
|
|
{
|
|
// 2 alpha ranges
|
|
uint8 alpha_0;
|
|
uint8 alpha_1;
|
|
// 16 3-bit indexes. Unfortunately 3 bits doesn't map too well to row bytes
|
|
// so just stored raw
|
|
uint8 indexes[6];
|
|
};
|
|
|
|
#if __VC__
|
|
#pragma pack (pop)
|
|
#else
|
|
#pragma pack ()
|
|
#endif
|
|
|
|
const uint32 DDS_MAGIC = FOURCC('D', 'D', 'S', ' ');
|
|
const uint32 DDS_PIXELFORMAT_SIZE = 8 * sizeof(uint32);
|
|
const uint32 DDS_CAPS_SIZE = 4 * sizeof(uint32);
|
|
const uint32 DDS_HEADER_SIZE = 19 * sizeof(uint32) + DDS_PIXELFORMAT_SIZE + DDS_CAPS_SIZE;
|
|
|
|
const uint32 DDSD_CAPS = 0x00000001;
|
|
const uint32 DDSD_HEIGHT = 0x00000002;
|
|
const uint32 DDSD_WIDTH = 0x00000004;
|
|
const uint32 DDSD_PITCH = 0x00000008;
|
|
const uint32 DDSD_PIXELFORMAT = 0x00001000;
|
|
const uint32 DDSD_MIPMAPCOUNT = 0x00020000;
|
|
const uint32 DDSD_LINEARSIZE = 0x00080000;
|
|
const uint32 DDSD_DEPTH = 0x00800000;
|
|
const uint32 DDPF_ALPHAPIXELS = 0x00000001;
|
|
const uint32 DDPF_FOURCC = 0x00000004;
|
|
const uint32 DDPF_RGB = 0x00000040;
|
|
const uint32 DDPF_RGBA = 0x00000041;
|
|
const uint32 DDSCAPS_COMPLEX = 0x00000008;
|
|
const uint32 DDSCAPS_TEXTURE = 0x00001000;
|
|
const uint32 DDSCAPS_MIPMAP = 0x00400000;
|
|
const uint32 DDSCAPS2_CUBEMAP = 0x00000200;
|
|
const uint32 DDSCAPS2_CUBEMAP_POSITIVEX = 0x00000400;
|
|
const uint32 DDSCAPS2_CUBEMAP_NEGATIVEX = 0x00000800;
|
|
const uint32 DDSCAPS2_CUBEMAP_POSITIVEY = 0x00001000;
|
|
const uint32 DDSCAPS2_CUBEMAP_NEGATIVEY = 0x00002000;
|
|
const uint32 DDSCAPS2_CUBEMAP_POSITIVEZ = 0x00004000;
|
|
const uint32 DDSCAPS2_CUBEMAP_NEGATIVEZ = 0x00008000;
|
|
const uint32 DDSCAPS2_VOLUME = 0x00200000;
|
|
|
|
// Special FourCC codes
|
|
const uint32 D3DFMT_R16F = 111;
|
|
const uint32 D3DFMT_G16R16F = 112;
|
|
const uint32 D3DFMT_A16B16G16R16F = 113;
|
|
const uint32 D3DFMT_R32F = 114;
|
|
const uint32 D3DFMT_G32R32F = 115;
|
|
const uint32 D3DFMT_A32B32G32R32F = 116;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#endif // __DDS_Header_H__
|