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glm/test/external/gli/gtx/loader_dds9.inl

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Added GLI for GLM tests
2011-06-23 19:07:13 +00:00
///////////////////////////////////////////////////////////////////////////////////////////////////
// OpenGL Image Copyright (c) 2008 - 2011 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2010-09-08
// Updated : 2010-09-27
// Licence : This source is under MIT License
// File : gli/gtx/loader_dds9.inl
///////////////////////////////////////////////////////////////////////////////////////////////////
namespace gli{
namespace gtx{
namespace loader_dds9{
namespace detail
{
// DDS Documentation
/*
http://msdn.microsoft.com/en-us/library/bb943991(VS.85).aspx#File_Layout1
http://msdn.microsoft.com/en-us/library/bb943992.aspx
*/
#define GLI_MAKEFOURCC(ch0, ch1, ch2, ch3) \
(glm::uint32)( \
(((glm::uint32)(glm::uint8)(ch3) << 24) & 0xFF000000) | \
(((glm::uint32)(glm::uint8)(ch2) << 16) & 0x00FF0000) | \
(((glm::uint32)(glm::uint8)(ch1) << 8) & 0x0000FF00) | \
((glm::uint32)(glm::uint8)(ch0) & 0x000000FF) )
//enum dds_format
//{
// GLI_D3DFMT_R8G8B8 = 20,
// GLI_D3DFMT_A8R8G8B8 = 21,
// GLI_D3DFMT_X8R8G8B8 = 22,
// GLI_D3DFMT_A8 = 28,
// GLI_D3DFMT_A2B10G10R10 = 31,
// GLI_D3DFMT_A8B8G8R8 = 32,
// GLI_D3DFMT_X8B8G8R8 = 33,
// GLI_D3DFMT_G16R16 = 34,
// GLI_D3DFMT_A2R10G10B10 = 35,
// GLI_D3DFMT_A16B16G16R16 = 36,
// GLI_D3DFMT_L8 = 50,
// GLI_D3DFMT_A8L8 = 51,
// GLI_D3DFMT_DXT1 = GLI_MAKEFOURCC('D', 'X', 'T', '1'),
// GLI_D3DFMT_DXT2 = GLI_MAKEFOURCC('D', 'X', 'T', '2'),
// GLI_D3DFMT_DXT3 = GLI_MAKEFOURCC('D', 'X', 'T', '3'),
// GLI_D3DFMT_DXT4 = GLI_MAKEFOURCC('D', 'X', 'T', '4'),
// GLI_D3DFMT_DXT5 = GLI_MAKEFOURCC('D', 'X', 'T', '5'),
// GLI_D3DFMT_DX10 = GLI_MAKEFOURCC('D', 'X', '1', '0'),
// GLI_D3DFMT_D32 = 71,
// GLI_D3DFMT_D24S8 = 75,
// GLI_D3DFMT_D24X8 = 77,
// GLI_D3DFMT_D16 = 80,
// GLI_D3DFMT_L16 = 81,
// GLI_D3DFMT_D32F_LOCKABLE = 82,
// GLI_D3DFMT_D24FS8 = 83,
// GLI_D3DFMT_R16F = 111,
// GLI_D3DFMT_G16R16F = 112,
// GLI_D3DFMT_A16B16G16R16F = 113,
// GLI_D3DFMT_R32F = 114,
// GLI_D3DFMT_G32R32F = 115,
// GLI_D3DFMT_A32B32G32R32F = 116
//};
enum ddsCubemapflag
{
GLI_DDSCAPS2_CUBEMAP = 0x00000200,
GLI_DDSCAPS2_CUBEMAP_POSITIVEX = 0x00000400,
GLI_DDSCAPS2_CUBEMAP_NEGATIVEX = 0x00000800,
GLI_DDSCAPS2_CUBEMAP_POSITIVEY = 0x00001000,
GLI_DDSCAPS2_CUBEMAP_NEGATIVEY = 0x00002000,
GLI_DDSCAPS2_CUBEMAP_POSITIVEZ = 0x00004000,
GLI_DDSCAPS2_CUBEMAP_NEGATIVEZ = 0x00008000,
GLI_DDSCAPS2_VOLUME = 0x00200000
};
enum ddsSurfaceflag
{
GLI_DDSCAPS_COMPLEX = 0x00000008,
GLI_DDSCAPS_MIPMAP = 0x00400000,
GLI_DDSCAPS_TEXTURE = 0x00001000
};
struct ddsPixelFormat
{
glm::uint32 size; // 32
glm::uint32 flags;
glm::uint32 fourCC;
glm::uint32 bpp;
glm::uint32 redMask;
glm::uint32 greenMask;
glm::uint32 blueMask;
glm::uint32 alphaMask;
};
struct ddsHeader
{
glm::uint32 size;
glm::uint32 flags;
glm::uint32 height;
glm::uint32 width;
glm::uint32 pitch;
glm::uint32 depth;
glm::uint32 mipMapLevels;
glm::uint32 reserved1[11];
ddsPixelFormat format;
glm::uint32 surfaceFlags;
glm::uint32 cubemapFlags;
glm::uint32 reserved2[3];
};
glm::uint32 const GLI_D3DFMT_R8G8B8 = 20;
glm::uint32 const GLI_D3DFMT_A8R8G8B8 = 21;
glm::uint32 const GLI_D3DFMT_X8R8G8B8 = 22;
glm::uint32 const GLI_D3DFMT_R5G6B5 = 23;
glm::uint32 const GLI_D3DFMT_X1R5G5B5 = 24;
glm::uint32 const GLI_D3DFMT_A1R5G5B5 = 25;
glm::uint32 const GLI_D3DFMT_A4R4G4B4 = 26;
glm::uint32 const GLI_D3DFMT_X4R4G4B4 = 30;
glm::uint32 const GLI_D3DFMT_A2B10G10R10 = 31;
glm::uint32 const GLI_D3DFMT_A8B8G8R8 = 32;
glm::uint32 const GLI_D3DFMT_X8B8G8R8 = 33;
glm::uint32 const GLI_D3DFMT_G16R16 = 34;
glm::uint32 const GLI_D3DFMT_A2R10G10B10 = 35;
glm::uint32 const GLI_D3DFMT_A16B16G16R16 = 36;
glm::uint32 const GLI_FOURCC_DXT1 = GLI_MAKEFOURCC('D', 'X', 'T', '1');
glm::uint32 const GLI_FOURCC_DXT2 = GLI_MAKEFOURCC('D', 'X', 'T', '2');
glm::uint32 const GLI_FOURCC_DXT3 = GLI_MAKEFOURCC('D', 'X', 'T', '3');
glm::uint32 const GLI_FOURCC_DXT4 = GLI_MAKEFOURCC('D', 'X', 'T', '4');
glm::uint32 const GLI_FOURCC_DXT5 = GLI_MAKEFOURCC('D', 'X', 'T', '5');
glm::uint32 const GLI_FOURCC_ATI1 = GLI_MAKEFOURCC('A', 'T', 'I', '1'); // ATI1
glm::uint32 const GLI_FOURCC_ATI2 = GLI_MAKEFOURCC('A', 'T', 'I', '2'); // ATI2 (AKA 3Dc)
glm::uint32 const GLI_FOURCC_DX10 = GLI_MAKEFOURCC('D', 'X', '1', '0');
glm::uint32 const GLI_FOURCC_BC4U = GLI_MAKEFOURCC('B', 'C', '4', 'U');
glm::uint32 const GLI_FOURCC_BC4S = GLI_MAKEFOURCC('B', 'C', '4', 'S');
glm::uint32 const GLI_FOURCC_BC5U = GLI_MAKEFOURCC('B', 'C', '5', 'U');
glm::uint32 const GLI_FOURCC_BC5S = GLI_MAKEFOURCC('B', 'C', '5', 'S');
glm::uint32 const GLI_FOURCC_BC6H = GLI_MAKEFOURCC('B', 'C', '6', 'H');
glm::uint32 const GLI_FOURCC_BC7 = GLI_MAKEFOURCC('B', 'C', '7', 'U');
glm::uint32 const GLI_FOURCC_R16F = 0x0000006f; // 16-bit float Red
glm::uint32 const GLI_FOURCC_G16R16F = 0x00000070; // 16-bit float Red/Green
glm::uint32 const GLI_FOURCC_A16B16G16R16F = 0x00000071; // 16-bit float RGBA
glm::uint32 const GLI_FOURCC_R32F = 0x00000072; // 32-bit float Red
glm::uint32 const GLI_FOURCC_G32R32F = 0x00000073; // 32-bit float Red/Green
glm::uint32 const GLI_FOURCC_A32B32G32R32F = 0x00000074; // 32-bit float RGBA
glm::uint32 const GLI_DDPF_ALPHAPIXELS = 0x00000001; // The surface has alpha channel information in the pixel format.
glm::uint32 const GLI_DDPF_ALPHA = 0x00000002; // The pixel format contains alpha only information
glm::uint32 const GLI_DDPF_FOURCC = 0x00000004; // The FourCC code is valid.
glm::uint32 const GLI_DDPF_RGB = 0x00000040; // The RGB data in the pixel format structure is valid.
//glm::uint32 const GLI_DDPF_COMPRESSED = 0x00000080; // The surface will accept pixel data in the format specified and compress it during the write.
//glm::uint32 const GLI_DDPF_RGBTOYUV = 0x00000100; // The surface will accept RGB data and translate it during the write to YUV data.
glm::uint32 const GLI_DDPF_YUV = 0x00000200; // Pixel format is YUV - YUV data in pixel format struct is valid.
//glm::uint32 const GLI_DDPF_ZBUFFER = 0x00000400; // Pixel format is a z buffer only surface
//glm::uint32 const GLI_DDPF_ZPIXELS = 0x00002000; // The surface contains Z information in the pixels
//glm::uint32 const GLI_DDPF_STENCILBUFFER = 0x00004000; // The surface contains stencil information along with Z
//glm::uint32 const GLI_DDPF_ALPHAPREMULT = 0x00008000; // Premultiplied alpha format -- the color components have been premultiplied by the alpha component.
glm::uint32 const GLI_DDPF_LUMINANCE = 0x00020000; // Luminance data in the pixel format is valid.
//glm::uint32 const GLI_DDPF_BUMPLUMINANCE = 0x00040000; // Use this flag for luminance-only or luminance+alpha surfaces, the bit depth is then ddpf.dwLuminanceBitCount.
//glm::uint32 const GLI_DDPF_BUMPDUDV = 0x00080000; // Bump map dUdV data in the pixel format is valid.
glm::uint32 const GLI_DDSD_CAPS = 0x00000001;
glm::uint32 const GLI_DDSD_HEIGHT = 0x00000002;
glm::uint32 const GLI_DDSD_WIDTH = 0x00000004;
glm::uint32 const GLI_DDSD_PITCH = 0x00000008;
glm::uint32 const GLI_DDSD_PIXELFORMAT = 0x00001000;
glm::uint32 const GLI_DDSD_MIPMAPCOUNT = 0x00020000;
glm::uint32 const GLI_DDSD_LINEARSIZE = 0x00080000;
glm::uint32 const GLI_DDSD_DEPTH = 0x00800000;
struct DDLoader
{
glm::uint32 BlockSize;
glm::uint32 BPP;
gli::format Format;
};
enum format_type
{
FORMAT_TYPE_NULL,
FORMAT_RGBA,
FORMAT_FOURCC
};
inline glm::uint32 getFormatFourCC(gli::texture2D const & Image)
{
switch(Image.format())
{
default:
return 0;
case DXT1:
return GLI_FOURCC_DXT1;
case DXT3:
return GLI_FOURCC_DXT3;
case DXT5:
return GLI_FOURCC_DXT5;
case ATI1N_UNORM:
case ATI1N_SNORM:
case ATI2N_UNORM:
case ATI2N_SNORM:
case BP_UF16:
case BP_SF16:
case BP:
return GLI_FOURCC_DX10;
case R16F:
return GLI_FOURCC_R16F;
case RG16F:
return GLI_FOURCC_G16R16F;
case RGBA16F:
return GLI_FOURCC_A16B16G16R16F;
case R32F:
return GLI_FOURCC_R32F;
case RG32F:
return GLI_FOURCC_G32R32F;
case RGBA32F:
return GLI_FOURCC_A32B32G32R32F;
}
}
inline glm::uint32 getFormatBlockSize(gli::texture2D const & Image)
{
switch(Image.format())
{
default:
return 0;
case DXT1:
return 8;
case DXT3:
return 16;
case DXT5:
return 16;
case ATI1N_UNORM:
case ATI1N_SNORM:
return 16;
case ATI2N_UNORM:
case ATI2N_SNORM:
return 32;
case BP_UF16:
case BP_SF16:
return 32;
case BP:
return 32;
case R16F:
return 2;
case RG16F:
return 4;
case RGBA16F:
return 8;
case R32F:
return 4;
case RG32F:
return 8;
case RGBA32F:
return 16;
}
}
inline glm::uint32 getFormatFlags(gli::texture2D const & Image)
{
glm::uint32 Result = 0;
switch(Image.format())
{
default:
break;
case R8U:
case RG8U:
case RGB8U:
case RGBA8U:
case R16U:
case RG16U:
case RGB16U:
case RGBA16U:
case R32U:
case RG32U:
case RGB32U:
case RGBA32U:
case R8I:
case RG8I:
case RGB8I:
case RGBA8I:
case R16I:
case RG16I:
case RGB16I:
case RGBA16I:
case R32I:
case RG32I:
case RGB32I:
case RGBA32I:
Result |= GLI_DDPF_RGB;
break;
case R16F:
case RG16F:
case RGB16F:
case RGBA16F:
case R32F:
case RG32F:
case RGB32F:
case RGBA32F:
case RGBE8:
case RGB9E5:
case RG11B10F:
case R5G6B5:
case RGBA4:
case RGB10A2:
case D16:
case D24X8:
case D24S8:
case D32F:
case D32FS8X24:
case DXT1:
case DXT3:
case DXT5:
case ATI1N_UNORM:
case ATI1N_SNORM:
case ATI2N_UNORM:
case ATI2N_SNORM:
case BP_UF16:
case BP_SF16:
case BP:
Result |= GLI_DDPF_FOURCC;
break;
};
return Result;
}
inline glm::uint32 getFormatBPP(gli::texture2D const & Image)
{
switch(Image.format())
{
default:
return 0;
case R8U:
case R8I:
return 8;
case RG8U:
case RG8I:
return 16;
case RGB8U:
case RGB8I:
return 24;
case RGBA8U:
case RGBA8I:
return 32;
case DXT1:
return 4;
case DXT3:
return 8;
case DXT5:
return 8;
case ATI1N_UNORM:
case ATI1N_SNORM:
return 4;
case ATI2N_UNORM:
case ATI2N_SNORM:
return 8;
case BP_UF16:
case BP_SF16:
return 8;
case BP:
return 8;
}
}
inline bool isCompressed(gli::texture2D const & Image)
{
switch(Image.format())
{
default:
return false;
case DXT1:
case DXT3:
case DXT5:
case ATI1N_UNORM:
case ATI1N_SNORM:
case ATI2N_UNORM:
case ATI2N_SNORM:
case BP_UF16:
case BP_SF16:
case BP:
return true;
}
return false;
}
}//namespace detail
inline texture2D loadDDS9
(
std::string const & Filename
)
{
std::ifstream FileIn(Filename.c_str(), std::ios::in | std::ios::binary);
if(FileIn.fail())
return texture2D();
detail::ddsHeader SurfaceDesc;
char Magic[4];
//* Read magic number and check if valid .dds file
FileIn.read((char*)&Magic, sizeof(Magic));
assert(strncmp(Magic, "DDS ", 4) == 0);
// Get the surface descriptor
FileIn.read((char*)&SurfaceDesc, sizeof(SurfaceDesc));
std::size_t Width = SurfaceDesc.width;
std::size_t Height = SurfaceDesc.height;
//std::size_t Levels = glm::max(glm::highestBit(Width), glm::highestBit(Height));
detail::DDLoader Loader;
if(SurfaceDesc.format.flags & detail::GLI_DDPF_FOURCC)
{
switch(SurfaceDesc.format.fourCC)
{
case detail::GLI_FOURCC_DX10:
assert(0);
break;
case detail::GLI_FOURCC_DXT1:
Loader.BlockSize = 8;
Loader.Format = DXT1;
break;
case detail::GLI_FOURCC_DXT3:
Loader.BlockSize = 16;
Loader.Format = DXT3;
break;
case detail::GLI_FOURCC_DXT5:
Loader.BlockSize = 16;
Loader.Format = DXT5;
break;
case detail::GLI_FOURCC_R16F:
Loader.BlockSize = 2;
Loader.Format = R16F;
break;
case detail::GLI_FOURCC_G16R16F:
Loader.BlockSize = 4;
Loader.Format = RG16F;
break;
case detail::GLI_FOURCC_A16B16G16R16F:
Loader.BlockSize = 8;
Loader.Format = RGBA16F;
break;
case detail::GLI_FOURCC_R32F:
Loader.BlockSize = 4;
Loader.Format = R32F;
break;
case detail::GLI_FOURCC_G32R32F:
Loader.BlockSize = 8;
Loader.Format = RG32F;
break;
case detail::GLI_FOURCC_A32B32G32R32F:
Loader.BlockSize = 16;
Loader.Format = RGBA32F;
break;
default:
assert(0);
return texture2D();
}
}
else if(SurfaceDesc.format.flags & detail::GLI_DDPF_RGB)
{
switch(SurfaceDesc.format.bpp)
{
case 8:
Loader.BlockSize = 2;
Loader.Format = R8U;
break;
case 16:
Loader.BlockSize = 2;
Loader.Format = RG8U;
break;
case 24:
Loader.BlockSize = 3;
Loader.Format = RGB8U;
break;
case 32:
Loader.BlockSize = 4;
Loader.Format = RGBA8U;
break;
}
}
else
{
}
gli::format Format = Loader.Format;
std::streamoff Curr = FileIn.tellg();
FileIn.seekg(0, std::ios_base::end);
std::streamoff End = FileIn.tellg();
FileIn.seekg(Curr, std::ios_base::beg);
std::vector<glm::byte> Data(std::size_t(End - Curr), 0);
std::size_t Offset = 0;
FileIn.read((char*)&Data[0], std::streamsize(Data.size()));
//image Image(glm::min(MipMapCount, Levels));//SurfaceDesc.mipMapLevels);
std::size_t MipMapCount = (SurfaceDesc.flags & detail::GLI_DDSD_MIPMAPCOUNT) ? SurfaceDesc.mipMapLevels : 1;
//if(Loader.Format == DXT1 || Loader.Format == DXT3 || Loader.Format == DXT5)
// MipMapCount -= 2;
texture2D Image(MipMapCount);
for(std::size_t Level = 0; Level < Image.levels() && (Width || Height); ++Level)
{
Width = glm::max(std::size_t(Width), std::size_t(1));
Height = glm::max(std::size_t(Height), std::size_t(1));
std::size_t MipmapSize = 0;
if(Loader.Format == DXT1 || Loader.Format == DXT3 || Loader.Format == DXT5)
MipmapSize = ((Width + 3) >> 2) * ((Height + 3) >> 2) * Loader.BlockSize;
else
MipmapSize = Width * Height * Loader.BlockSize;
std::vector<glm::byte> MipmapData(MipmapSize, 0);
memcpy(&MipmapData[0], &Data[0] + Offset, MipmapSize);
image2D::dimensions_type Dimensions(Width, Height);
Image[Level] = image2D(Dimensions, Format, MipmapData);
Offset += MipmapSize;
Width >>= 1;
Height >>= 1;
}
return Image;
}
inline textureCube loadTextureCubeDDS9
(
std::string const & Filename
)
{
std::ifstream FileIn(Filename.c_str(), std::ios::in | std::ios::binary);
if(FileIn.fail())
return textureCube();
detail::ddsHeader SurfaceDesc;
char Magic[4];
//* Read magic number and check if valid .dds file
FileIn.read((char*)&Magic, sizeof(Magic));
assert(strncmp(Magic, "DDS ", 4) == 0);
// Get the surface descriptor
FileIn.read((char*)&SurfaceDesc, sizeof(SurfaceDesc));
std::size_t Width = SurfaceDesc.width;
std::size_t Height = SurfaceDesc.height;
//std::size_t Levels = glm::max(glm::highestBit(Width), glm::highestBit(Height));
detail::DDLoader Loader;
if(SurfaceDesc.format.flags & detail::GLI_DDPF_FOURCC)
{
switch(SurfaceDesc.format.fourCC)
{
case detail::GLI_FOURCC_DX10:
assert(0);
break;
case detail::GLI_FOURCC_DXT1:
Loader.BlockSize = 8;
Loader.Format = DXT1;
break;
case detail::GLI_FOURCC_DXT3:
Loader.BlockSize = 16;
Loader.Format = DXT3;
break;
case detail::GLI_FOURCC_DXT5:
Loader.BlockSize = 16;
Loader.Format = DXT5;
break;
case detail::GLI_FOURCC_R16F:
Loader.BlockSize = 2;
Loader.Format = R16F;
break;
case detail::GLI_FOURCC_G16R16F:
Loader.BlockSize = 4;
Loader.Format = RG16F;
break;
case detail::GLI_FOURCC_A16B16G16R16F:
Loader.BlockSize = 8;
Loader.Format = RGBA16F;
break;
case detail::GLI_FOURCC_R32F:
Loader.BlockSize = 4;
Loader.Format = R32F;
break;
case detail::GLI_FOURCC_G32R32F:
Loader.BlockSize = 8;
Loader.Format = RG32F;
break;
case detail::GLI_FOURCC_A32B32G32R32F:
Loader.BlockSize = 16;
Loader.Format = RGBA32F;
break;
default:
assert(0);
return textureCube();
}
}
else if(SurfaceDesc.format.flags & detail::GLI_DDPF_RGB)
{
switch(SurfaceDesc.format.bpp)
{
case 8:
Loader.BlockSize = 2;
Loader.Format = R8U;
break;
case 16:
Loader.BlockSize = 2;
Loader.Format = RG8U;
break;
case 24:
Loader.BlockSize = 3;
Loader.Format = RGB8U;
break;
case 32:
Loader.BlockSize = 4;
Loader.Format = RGBA8U;
break;
}
}
else
{
}
gli::format Format = Loader.Format;
std::streamoff Curr = FileIn.tellg();
FileIn.seekg(0, std::ios_base::end);
std::streamoff End = FileIn.tellg();
FileIn.seekg(Curr, std::ios_base::beg);
std::vector<glm::byte> Data(std::size_t(End - Curr), 0);
std::size_t Offset = 0;
FileIn.read((char*)&Data[0], std::streamsize(Data.size()));
//image Image(glm::min(MipMapCount, Levels));//SurfaceDesc.mipMapLevels);
std::size_t MipMapCount = (SurfaceDesc.flags & detail::GLI_DDSD_MIPMAPCOUNT) ? SurfaceDesc.mipMapLevels : 1;
//if(Loader.Format == DXT1 || Loader.Format == DXT3 || Loader.Format == DXT5)
// MipMapCount -= 2;
textureCube Texture(MipMapCount);
for(textureCube::size_type Face = 0; Face < FACE_MAX; ++Face)
{
Width = SurfaceDesc.width;
Height = SurfaceDesc.height;
for(textureCube::size_type Level = 0; Level < Texture.levels() && (Width || Height); ++Level)
{
Width = glm::max(std::size_t(Width), std::size_t(1));
Height = glm::max(std::size_t(Height), std::size_t(1));
std::size_t MipmapSize = 0;
if(Loader.Format == DXT1 || Loader.Format == DXT3 || Loader.Format == DXT5)
MipmapSize = ((Width + 3) >> 2) * ((Height + 3) >> 2) * Loader.BlockSize;
else
MipmapSize = Width * Height * Loader.BlockSize;
std::vector<glm::byte> MipmapData(MipmapSize, 0);
memcpy(&MipmapData[0], &Data[0] + Offset, MipmapSize);
textureCube::dimensions_type Dimensions(Width, Height);
Texture[textureCube::face_type(Face)][Level] = image2D(Dimensions, Format, MipmapData);
Offset += MipmapSize;
Width >>= 1;
Height >>= 1;
}
}
return Texture;
}
inline void saveDDS9
(
texture2D const & Texture,
std::string const & Filename
)
{
std::ofstream FileOut(Filename.c_str(), std::ios::out | std::ios::binary);
if (!FileOut)
return;
char const * Magic = "DDS ";
FileOut.write((char*)Magic, sizeof(char) * 4);
glm::uint32 Caps = detail::GLI_DDSD_CAPS | detail::GLI_DDSD_HEIGHT | detail::GLI_DDSD_WIDTH | detail::GLI_DDSD_PIXELFORMAT;
detail::ddsHeader SurfaceDesc;
SurfaceDesc.size = sizeof(detail::ddsHeader);
SurfaceDesc.flags = Caps | (detail::isCompressed(Texture) ? detail::GLI_DDSD_LINEARSIZE : detail::GLI_DDSD_PITCH) | (Texture.levels() > 1 ? detail::GLI_DDSD_MIPMAPCOUNT : 0); //659463;
SurfaceDesc.width = Texture[0].dimensions().x;
SurfaceDesc.height = Texture[0].dimensions().y;
SurfaceDesc.pitch = loader_dds9::detail::isCompressed(Texture) ? size(Texture, LINEAR_SIZE) : 32;
SurfaceDesc.depth = 0;
SurfaceDesc.mipMapLevels = glm::uint32(Texture.levels());
SurfaceDesc.format.size = sizeof(detail::ddsPixelFormat);
SurfaceDesc.format.flags = detail::getFormatFlags(Texture);
SurfaceDesc.format.fourCC = detail::getFormatFourCC(Texture);
SurfaceDesc.format.bpp = detail::getFormatBPP(Texture);
SurfaceDesc.format.redMask = 0;
SurfaceDesc.format.greenMask = 0;
SurfaceDesc.format.blueMask = 0;
SurfaceDesc.format.alphaMask = 0;
SurfaceDesc.surfaceFlags = detail::GLI_DDSCAPS_TEXTURE | (Texture.levels() > 1 ? detail::GLI_DDSCAPS_MIPMAP : 0);
SurfaceDesc.cubemapFlags = 0;
FileOut.write((char*)&SurfaceDesc, sizeof(SurfaceDesc));
for(texture2D::level_type Level = 0; Level < Texture.levels(); ++Level)
{
texture2D::size_type ImageSize = size(Texture[Level], gli::LINEAR_SIZE);
FileOut.write((char*)(Texture[Level].data()), ImageSize);
}
if(FileOut.fail() || FileOut.bad())
return;
FileOut.close ();
}
inline void saveTextureCubeDDS9
(
textureCube const & Texture,
std::string const & Filename
)
{
std::ofstream FileOut(Filename.c_str(), std::ios::out | std::ios::binary);
if (!FileOut || Texture.empty())
return;
char const * Magic = "DDS ";
FileOut.write((char*)Magic, sizeof(char) * 4);
glm::uint32 Caps = detail::GLI_DDSD_CAPS | detail::GLI_DDSD_HEIGHT | detail::GLI_DDSD_WIDTH | detail::GLI_DDSD_PIXELFORMAT | detail::GLI_DDSCAPS_COMPLEX;
detail::ddsHeader SurfaceDesc;
SurfaceDesc.size = sizeof(detail::ddsHeader);
SurfaceDesc.flags = Caps | (detail::isCompressed(Texture[POSITIVE_X]) ? detail::GLI_DDSD_LINEARSIZE : detail::GLI_DDSD_PITCH) | (Texture.levels() > 1 ? detail::GLI_DDSD_MIPMAPCOUNT : 0); //659463;
SurfaceDesc.width = Texture[POSITIVE_X][0].dimensions().x;
SurfaceDesc.height = Texture[POSITIVE_X][0].dimensions().y;
SurfaceDesc.pitch = loader_dds9::detail::isCompressed(Texture[POSITIVE_X]) ? size(Texture[POSITIVE_X], LINEAR_SIZE) : 32;
SurfaceDesc.depth = 0;
SurfaceDesc.mipMapLevels = glm::uint32(Texture.levels());
SurfaceDesc.format.size = sizeof(detail::ddsPixelFormat);
SurfaceDesc.format.flags = detail::getFormatFlags(Texture[POSITIVE_X]);
SurfaceDesc.format.fourCC = detail::getFormatFourCC(Texture[POSITIVE_X]);
SurfaceDesc.format.bpp = detail::getFormatBPP(Texture[POSITIVE_X]);
SurfaceDesc.format.redMask = 0;
SurfaceDesc.format.greenMask = 0;
SurfaceDesc.format.blueMask = 0;
SurfaceDesc.format.alphaMask = 0;
SurfaceDesc.surfaceFlags = detail::GLI_DDSCAPS_TEXTURE | (Texture.levels() > 1 ? detail::GLI_DDSCAPS_MIPMAP : 0);
SurfaceDesc.cubemapFlags =
detail::GLI_DDSCAPS2_CUBEMAP | detail::GLI_DDSCAPS2_CUBEMAP_POSITIVEX | detail::GLI_DDSCAPS2_CUBEMAP_NEGATIVEX | detail::GLI_DDSCAPS2_CUBEMAP_POSITIVEY | detail::GLI_DDSCAPS2_CUBEMAP_NEGATIVEY | detail::GLI_DDSCAPS2_CUBEMAP_POSITIVEZ | detail::GLI_DDSCAPS2_CUBEMAP_NEGATIVEZ;
FileOut.write((char*)&SurfaceDesc, sizeof(SurfaceDesc));
for(textureCube::size_type Face = 0; Face < FACE_MAX; ++Face)
for(texture2D::level_type Level = 0; Level < Texture.levels(); ++Level)
{
texture2D::size_type ImageSize = size(Texture[textureCube::face_type(Face)][Level], gli::LINEAR_SIZE);
FileOut.write((char*)(Texture[textureCube::face_type(Face)][Level].data()), ImageSize);
}
if(FileOut.fail() || FileOut.bad())
return;
FileOut.close ();
}
}//namespace loader_dds9
}//namespace gtx
}//namespace gli
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