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glm/test/external/gli/gtx/loader_dds10.inl

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///////////////////////////////////////////////////////////////////////////////////////////////////
// OpenGL Image Copyright (c) 2008 - 2011 G-Truc Creation (www.g-truc.net)
///////////////////////////////////////////////////////////////////////////////////////////////////
// Created : 2010-09-26
// Updated : 2010-09-27
// Licence : This source is under MIT License
// File : gli/gtx/loader_dds10.inl
///////////////////////////////////////////////////////////////////////////////////////////////////
namespace gli{
namespace gtx{
namespace loader_dds10{
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 DXGI_FORMAT
{
DXGI_FORMAT_UNKNOWN = 0,
DXGI_FORMAT_R32G32B32A32_TYPELESS = 1,
DXGI_FORMAT_R32G32B32A32_FLOAT = 2,
DXGI_FORMAT_R32G32B32A32_UINT = 3,
DXGI_FORMAT_R32G32B32A32_SINT = 4,
DXGI_FORMAT_R32G32B32_TYPELESS = 5,
DXGI_FORMAT_R32G32B32_FLOAT = 6,
DXGI_FORMAT_R32G32B32_UINT = 7,
DXGI_FORMAT_R32G32B32_SINT = 8,
DXGI_FORMAT_R16G16B16A16_TYPELESS = 9,
DXGI_FORMAT_R16G16B16A16_FLOAT = 10,
DXGI_FORMAT_R16G16B16A16_UNORM = 11,
DXGI_FORMAT_R16G16B16A16_UINT = 12,
DXGI_FORMAT_R16G16B16A16_SNORM = 13,
DXGI_FORMAT_R16G16B16A16_SINT = 14,
DXGI_FORMAT_R32G32_TYPELESS = 15,
DXGI_FORMAT_R32G32_FLOAT = 16,
DXGI_FORMAT_R32G32_UINT = 17,
DXGI_FORMAT_R32G32_SINT = 18,
DXGI_FORMAT_R32G8X24_TYPELESS = 19,
DXGI_FORMAT_D32_FLOAT_S8X24_UINT = 20,
DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS = 21,
DXGI_FORMAT_X32_TYPELESS_G8X24_UINT = 22,
DXGI_FORMAT_R10G10B10A2_TYPELESS = 23,
DXGI_FORMAT_R10G10B10A2_UNORM = 24,
DXGI_FORMAT_R10G10B10A2_UINT = 25,
DXGI_FORMAT_R11G11B10_FLOAT = 26,
DXGI_FORMAT_R8G8B8A8_TYPELESS = 27,
DXGI_FORMAT_R8G8B8A8_UNORM = 28,
DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = 29,
DXGI_FORMAT_R8G8B8A8_UINT = 30,
DXGI_FORMAT_R8G8B8A8_SNORM = 31,
DXGI_FORMAT_R8G8B8A8_SINT = 32,
DXGI_FORMAT_R16G16_TYPELESS = 33,
DXGI_FORMAT_R16G16_FLOAT = 34,
DXGI_FORMAT_R16G16_UNORM = 35,
DXGI_FORMAT_R16G16_UINT = 36,
DXGI_FORMAT_R16G16_SNORM = 37,
DXGI_FORMAT_R16G16_SINT = 38,
DXGI_FORMAT_R32_TYPELESS = 39,
DXGI_FORMAT_D32_FLOAT = 40,
DXGI_FORMAT_R32_FLOAT = 41,
DXGI_FORMAT_R32_UINT = 42,
DXGI_FORMAT_R32_SINT = 43,
DXGI_FORMAT_R24G8_TYPELESS = 44,
DXGI_FORMAT_D24_UNORM_S8_UINT = 45,
DXGI_FORMAT_R24_UNORM_X8_TYPELESS = 46,
DXGI_FORMAT_X24_TYPELESS_G8_UINT = 47,
DXGI_FORMAT_R8G8_TYPELESS = 48,
DXGI_FORMAT_R8G8_UNORM = 49,
DXGI_FORMAT_R8G8_UINT = 50,
DXGI_FORMAT_R8G8_SNORM = 51,
DXGI_FORMAT_R8G8_SINT = 52,
DXGI_FORMAT_R16_TYPELESS = 53,
DXGI_FORMAT_R16_FLOAT = 54,
DXGI_FORMAT_D16_UNORM = 55,
DXGI_FORMAT_R16_UNORM = 56,
DXGI_FORMAT_R16_UINT = 57,
DXGI_FORMAT_R16_SNORM = 58,
DXGI_FORMAT_R16_SINT = 59,
DXGI_FORMAT_R8_TYPELESS = 60,
DXGI_FORMAT_R8_UNORM = 61,
DXGI_FORMAT_R8_UINT = 62,
DXGI_FORMAT_R8_SNORM = 63,
DXGI_FORMAT_R8_SINT = 64,
DXGI_FORMAT_A8_UNORM = 65,
DXGI_FORMAT_R1_UNORM = 66,
DXGI_FORMAT_R9G9B9E5_SHAREDEXP = 67,
DXGI_FORMAT_R8G8_B8G8_UNORM = 68,
DXGI_FORMAT_G8R8_G8B8_UNORM = 69,
DXGI_FORMAT_BC1_TYPELESS = 70,
DXGI_FORMAT_BC1_UNORM = 71,
DXGI_FORMAT_BC1_UNORM_SRGB = 72,
DXGI_FORMAT_BC2_TYPELESS = 73,
DXGI_FORMAT_BC2_UNORM = 74,
DXGI_FORMAT_BC2_UNORM_SRGB = 75,
DXGI_FORMAT_BC3_TYPELESS = 76,
DXGI_FORMAT_BC3_UNORM = 77,
DXGI_FORMAT_BC3_UNORM_SRGB = 78,
DXGI_FORMAT_BC4_TYPELESS = 79,
DXGI_FORMAT_BC4_UNORM = 80,
DXGI_FORMAT_BC4_SNORM = 81,
DXGI_FORMAT_BC5_TYPELESS = 82,
DXGI_FORMAT_BC5_UNORM = 83,
DXGI_FORMAT_BC5_SNORM = 84,
DXGI_FORMAT_B5G6R5_UNORM = 85,
DXGI_FORMAT_B5G5R5A1_UNORM = 86,
DXGI_FORMAT_B8G8R8A8_UNORM = 87,
DXGI_FORMAT_B8G8R8X8_UNORM = 88,
DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM = 89,
DXGI_FORMAT_B8G8R8A8_TYPELESS = 90,
DXGI_FORMAT_B8G8R8A8_UNORM_SRGB = 91,
DXGI_FORMAT_B8G8R8X8_TYPELESS = 92,
DXGI_FORMAT_B8G8R8X8_UNORM_SRGB = 93,
DXGI_FORMAT_BC6H_TYPELESS = 94,
DXGI_FORMAT_BC6H_UF16 = 95,
DXGI_FORMAT_BC6H_SF16 = 96,
DXGI_FORMAT_BC7_TYPELESS = 97,
DXGI_FORMAT_BC7_UNORM = 98,
DXGI_FORMAT_BC7_UNORM_SRGB = 99,
DXGI_FORMAT_FORCE_UINT = 0xffffffffUL
};
enum D3D10_RESOURCE_DIMENSION
{
D3D10_RESOURCE_DIMENSION_UNKNOWN = 0,
D3D10_RESOURCE_DIMENSION_BUFFER = 1,
D3D10_RESOURCE_DIMENSION_TEXTURE1D = 2,
D3D10_RESOURCE_DIMENSION_TEXTURE2D = 3,
D3D10_RESOURCE_DIMENSION_TEXTURE3D = 4
};
enum D3D10_RESOURCE_MISC_FLAG
{
D3D10_RESOURCE_MISC_GENERATE_MIPS = 0x1L,
D3D10_RESOURCE_MISC_SHARED = 0x2L,
D3D10_RESOURCE_MISC_TEXTURECUBE = 0x4L,
D3D10_RESOURCE_MISC_SHARED_KEYEDMUTEX = 0x10L,
D3D10_RESOURCE_MISC_GDI_COMPATIBLE = 0x20L
};
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
};
struct ddsHeader10
{
DXGI_FORMAT dxgiFormat;
D3D10_RESOURCE_DIMENSION resourceDimension;
glm::uint32 miscFlag; // D3D10_RESOURCE_MISC_GENERATE_MIPS
glm::uint32 arraySize;
glm::uint32 reserved;
};
inline gli::format format_fourcc2gli_cast(glm::uint32 const & FourCC)
{
switch(FourCC)
{
case loader_dds9::detail::GLI_FOURCC_DXT1:
return DXT1;
case loader_dds9::detail::GLI_FOURCC_DXT2:
case loader_dds9::detail::GLI_FOURCC_DXT3:
return DXT3;
case loader_dds9::detail::GLI_FOURCC_DXT4:
case loader_dds9::detail::GLI_FOURCC_DXT5:
return DXT5;
case loader_dds9::detail::GLI_FOURCC_R16F:
return R16F;
case loader_dds9::detail::GLI_FOURCC_G16R16F:
return RG16F;
case loader_dds9::detail::GLI_FOURCC_A16B16G16R16F:
return RGBA16F;
case loader_dds9::detail::GLI_FOURCC_R32F:
return R32F;
case loader_dds9::detail::GLI_FOURCC_G32R32F:
return RG32F;
case loader_dds9::detail::GLI_FOURCC_A32B32G32R32F:
return RGBA32F;
case loader_dds9::detail::GLI_D3DFMT_R8G8B8:
return RGB8U;
case loader_dds9::detail::GLI_D3DFMT_A8R8G8B8:
case loader_dds9::detail::GLI_D3DFMT_X8R8G8B8:
case loader_dds9::detail::GLI_D3DFMT_A8B8G8R8:
case loader_dds9::detail::GLI_D3DFMT_X8B8G8R8:
return RGBA8U;
case loader_dds9::detail::GLI_D3DFMT_R5G6B5:
return R5G6B5;
case loader_dds9::detail::GLI_D3DFMT_A4R4G4B4:
case loader_dds9::detail::GLI_D3DFMT_X4R4G4B4:
return RGBA4;
case loader_dds9::detail::GLI_D3DFMT_G16R16:
return RG16U;
case loader_dds9::detail::GLI_D3DFMT_A16B16G16R16:
return RGBA16U;
case loader_dds9::detail::GLI_D3DFMT_A2R10G10B10:
case loader_dds9::detail::GLI_D3DFMT_A2B10G10R10:
return RGB10A2;
default:
assert(0);
return FORMAT_NULL;
}
}
inline DXGI_FORMAT format_gli2dds_cast(gli::format const & Format)
{
DXGI_FORMAT Cast[] =
{
DXGI_FORMAT_UNKNOWN, //FORMAT_NULL,
// Unsigned integer formats
DXGI_FORMAT_R8_UINT, //R8U,
DXGI_FORMAT_R8G8_UINT, //RG8U,
DXGI_FORMAT_UNKNOWN, //RGB8U,
DXGI_FORMAT_R8G8B8A8_UINT, //RGBA8U,
DXGI_FORMAT_R16_UINT, //R16U,
DXGI_FORMAT_R16G16_UINT, //RG16U,
DXGI_FORMAT_UNKNOWN, //RGB16U,
DXGI_FORMAT_R16G16B16A16_UINT, //RGBA16U,
DXGI_FORMAT_R32_UINT, //R32U,
DXGI_FORMAT_R32G32_UINT, //RG32U,
DXGI_FORMAT_R32G32B32_UINT, //RGB32U,
DXGI_FORMAT_R32G32B32A32_UINT, //RGBA32U,
// Signed integer formats
DXGI_FORMAT_R8_SINT, //R8I,
DXGI_FORMAT_R8G8_SINT, //RG8I,
DXGI_FORMAT_UNKNOWN, //RGB8I,
DXGI_FORMAT_R8G8B8A8_SINT, //RGBA8I,
DXGI_FORMAT_R16_SINT, //R16I,
DXGI_FORMAT_R16G16_SINT, //RG16I,
DXGI_FORMAT_UNKNOWN, //RGB16I,
DXGI_FORMAT_R16G16B16A16_SINT, //RGBA16I,
DXGI_FORMAT_R32_SINT, //R32I,
DXGI_FORMAT_R32G32_SINT, //RG32I,
DXGI_FORMAT_R32G32B32_SINT, //RGB32I,
DXGI_FORMAT_R32G32B32A32_SINT, //RGBA32I,
// Floating formats
DXGI_FORMAT_R16_FLOAT, //R16F,
DXGI_FORMAT_R16G16_FLOAT, //RG16F,
DXGI_FORMAT_UNKNOWN, //RGB16F,
DXGI_FORMAT_R16G16B16A16_FLOAT, //RGBA16F,
DXGI_FORMAT_R32_FLOAT, //R32F,
DXGI_FORMAT_R32G32_FLOAT, //RG32F,
DXGI_FORMAT_R32G32B32_FLOAT, //RGB32F,
DXGI_FORMAT_R32G32B32A32_FLOAT, //RGBA32F,
// Packed formats
DXGI_FORMAT_UNKNOWN, //RGBE8,
DXGI_FORMAT_R9G9B9E5_SHAREDEXP, //RGB9E5,
DXGI_FORMAT_R11G11B10_FLOAT,
DXGI_FORMAT_B5G6R5_UNORM, //R5G6B5,
DXGI_FORMAT_UNKNOWN, //RGBA4,
DXGI_FORMAT_R10G10B10A2_TYPELESS, //RGB10A2,
// Depth formats
DXGI_FORMAT_D16_UNORM, //D16,
DXGI_FORMAT_D24_UNORM_S8_UINT, //D24X8,
DXGI_FORMAT_D24_UNORM_S8_UINT, //D24S8,
DXGI_FORMAT_D32_FLOAT, //D32F,
DXGI_FORMAT_D32_FLOAT_S8X24_UINT, //D32FS8X24,
// Compressed formats
DXGI_FORMAT_BC1_UNORM, //DXT1,
DXGI_FORMAT_BC2_UNORM, //DXT3,
DXGI_FORMAT_BC3_UNORM, //DXT5,
DXGI_FORMAT_BC4_UNORM, //ATI1N_UNORM,
DXGI_FORMAT_BC4_SNORM, //ATI1N_SNORM,
DXGI_FORMAT_BC5_UNORM, //ATI2N_UNORM,
DXGI_FORMAT_BC5_SNORM, //ATI2N_SNORM,
DXGI_FORMAT_BC6H_UF16, //BP_FLOAT,
DXGI_FORMAT_BC6H_SF16, //BP_FLOAT,
DXGI_FORMAT_BC7_UNORM //BP,
};
return Cast[Format];
}
inline gli::format format_dds2gli_cast(DXGI_FORMAT const & Format)
{
gli::format Cast[] =
{
gli::FORMAT_NULL, //DXGI_FORMAT_UNKNOWN = 0,
gli::RGBA32U, //DXGI_FORMAT_R32G32B32A32_TYPELESS = 1,
gli::RGBA32F, //DXGI_FORMAT_R32G32B32A32_FLOAT = 2,
gli::RGBA32U, //DXGI_FORMAT_R32G32B32A32_UINT = 3,
gli::RGBA32I, //DXGI_FORMAT_R32G32B32A32_SINT = 4,
gli::RGB32U, //DXGI_FORMAT_R32G32B32_TYPELESS = 5,
gli::RGB32F, //DXGI_FORMAT_R32G32B32_FLOAT = 6,
gli::RGB32U, //DXGI_FORMAT_R32G32B32_UINT = 7,
gli::RGB32I, //DXGI_FORMAT_R32G32B32_SINT = 8,
gli::RGBA16U, //DXGI_FORMAT_R16G16B16A16_TYPELESS = 9,
gli::RGBA16F, //DXGI_FORMAT_R16G16B16A16_FLOAT = 10,
gli::RGBA16U, //DXGI_FORMAT_R16G16B16A16_UNORM = 11,
gli::RGBA16I, //DXGI_FORMAT_R16G16B16A16_UINT = 12,
gli::RGBA16I, //DXGI_FORMAT_R16G16B16A16_SNORM = 13,
gli::RGBA16I, //DXGI_FORMAT_R16G16B16A16_SINT = 14,
gli::RG32U, //DXGI_FORMAT_R32G32_TYPELESS = 15,
gli::RG32F, //DXGI_FORMAT_R32G32_FLOAT = 16,
gli::RG32U, //DXGI_FORMAT_R32G32_UINT = 17,
gli::RG32I, //DXGI_FORMAT_R32G32_SINT = 18,
gli::FORMAT_NULL, //DXGI_FORMAT_R32G8X24_TYPELESS = 19,
gli::D32FS8X24, //DXGI_FORMAT_D32_FLOAT_S8X24_UINT = 20,
gli::FORMAT_NULL, //DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS = 21,
gli::FORMAT_NULL, //DXGI_FORMAT_X32_TYPELESS_G8X24_UINT = 22,
gli::RGB10A2, //DXGI_FORMAT_R10G10B10A2_TYPELESS = 23,
gli::RGB10A2, //DXGI_FORMAT_R10G10B10A2_UNORM = 24,
gli::RGB10A2, //DXGI_FORMAT_R10G10B10A2_UINT = 25,
gli::RG11B10F, //DXGI_FORMAT_R11G11B10_FLOAT = 26,
gli::RGBA8U, //DXGI_FORMAT_R8G8B8A8_TYPELESS = 27,
gli::RGBA8U, //DXGI_FORMAT_R8G8B8A8_UNORM = 28,
gli::RGBA8U, //DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = 29,
gli::RGBA8U, //DXGI_FORMAT_R8G8B8A8_UINT = 30,
gli::RGBA8I, //DXGI_FORMAT_R8G8B8A8_SNORM = 31,
gli::RGBA8I, //DXGI_FORMAT_R8G8B8A8_SINT = 32,
gli::RG16U, //DXGI_FORMAT_R16G16_TYPELESS = 33,
gli::RG16F, //DXGI_FORMAT_R16G16_FLOAT = 34,
gli::RG16U, //DXGI_FORMAT_R16G16_UNORM = 35,
gli::RG16U, //DXGI_FORMAT_R16G16_UINT = 36,
gli::RG16I, //DXGI_FORMAT_R16G16_SNORM = 37,
gli::RG16I, //DXGI_FORMAT_R16G16_SINT = 38,
gli::R32F, //DXGI_FORMAT_R32_TYPELESS = 39,
gli::D32F, //DXGI_FORMAT_D32_FLOAT = 40,
gli::R32F, //DXGI_FORMAT_R32_FLOAT = 41,
gli::R32U, //DXGI_FORMAT_R32_UINT = 42,
gli::R32I, //DXGI_FORMAT_R32_SINT = 43,
gli::FORMAT_NULL, //DXGI_FORMAT_R24G8_TYPELESS = 44,
gli::FORMAT_NULL, //DXGI_FORMAT_D24_UNORM_S8_UINT = 45,
gli::FORMAT_NULL, //DXGI_FORMAT_R24_UNORM_X8_TYPELESS = 46,
gli::FORMAT_NULL, //DXGI_FORMAT_X24_TYPELESS_G8_UINT = 47,
gli::RG8U, //DXGI_FORMAT_R8G8_TYPELESS = 48,
gli::RG8U, //DXGI_FORMAT_R8G8_UNORM = 49,
gli::RG8U, //DXGI_FORMAT_R8G8_UINT = 50,
gli::RG8I, //DXGI_FORMAT_R8G8_SNORM = 51,
gli::RG8I, //DXGI_FORMAT_R8G8_SINT = 52,
gli::R16U, //DXGI_FORMAT_R16_TYPELESS = 53,
gli::R16F, //DXGI_FORMAT_R16_FLOAT = 54,
gli::D16, //DXGI_FORMAT_D16_UNORM = 55,
gli::R16U, //DXGI_FORMAT_R16_UNORM = 56,
gli::R16U, //DXGI_FORMAT_R16_UINT = 57,
gli::R16I, //DXGI_FORMAT_R16_SNORM = 58,
gli::R16I, //DXGI_FORMAT_R16_SINT = 59,
gli::R8U, //DXGI_FORMAT_R8_TYPELESS = 60,
gli::R8U, //DXGI_FORMAT_R8_UNORM = 61,
gli::R8U, //DXGI_FORMAT_R8_UINT = 62,
gli::R8I, //DXGI_FORMAT_R8_SNORM = 63,
gli::R8I, //DXGI_FORMAT_R8_SINT = 64,
gli::R8U, //DXGI_FORMAT_A8_UNORM = 65,
gli::FORMAT_NULL, //DXGI_FORMAT_R1_UNORM = 66,
gli::RGB9E5, //DXGI_FORMAT_R9G9B9E5_SHAREDEXP = 67,
gli::FORMAT_NULL, //DXGI_FORMAT_R8G8_B8G8_UNORM = 68,
gli::FORMAT_NULL, //DXGI_FORMAT_G8R8_G8B8_UNORM = 69,
gli::DXT1, //DXGI_FORMAT_BC1_TYPELESS = 70,
gli::DXT1, //DXGI_FORMAT_BC1_UNORM = 71,
gli::DXT1, //DXGI_FORMAT_BC1_UNORM_SRGB = 72,
gli::DXT3, //DXGI_FORMAT_BC2_TYPELESS = 73,
gli::DXT3, //DXGI_FORMAT_BC2_UNORM = 74,
gli::DXT3, //DXGI_FORMAT_BC2_UNORM_SRGB = 75,
gli::DXT5, //DXGI_FORMAT_BC3_TYPELESS = 76,
gli::DXT5, //DXGI_FORMAT_BC3_UNORM = 77,
gli::DXT5, //DXGI_FORMAT_BC3_UNORM_SRGB = 78,
gli::ATI1N_UNORM, //DXGI_FORMAT_BC4_TYPELESS = 79,
gli::ATI1N_UNORM, //DXGI_FORMAT_BC4_UNORM = 80,
gli::ATI1N_SNORM, //DXGI_FORMAT_BC4_SNORM = 81,
gli::ATI2N_UNORM, //DXGI_FORMAT_BC5_TYPELESS = 82,
gli::ATI2N_UNORM, //DXGI_FORMAT_BC5_UNORM = 83,
gli::ATI2N_SNORM, //DXGI_FORMAT_BC5_SNORM = 84,
gli::FORMAT_NULL, //DXGI_FORMAT_B5G6R5_UNORM = 85,
gli::FORMAT_NULL, //DXGI_FORMAT_B5G5R5A1_UNORM = 86,
gli::RGBA8U, //DXGI_FORMAT_B8G8R8A8_UNORM = 87,
gli::RGBA8U, //DXGI_FORMAT_B8G8R8X8_UNORM = 88,
gli::FORMAT_NULL, //DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM = 89,
gli::RGBA8U, //DXGI_FORMAT_B8G8R8A8_TYPELESS = 90,
gli::RGBA8U, //DXGI_FORMAT_B8G8R8A8_UNORM_SRGB = 91,
gli::RGBA8U, //DXGI_FORMAT_B8G8R8X8_TYPELESS = 92,
gli::RGBA8U, //DXGI_FORMAT_B8G8R8X8_UNORM_SRGB = 93,
gli::BP_UF16, //DXGI_FORMAT_BC6H_TYPELESS = 94,
gli::BP_UF16, //DXGI_FORMAT_BC6H_UF16 = 95,
gli::BP_SF16, //DXGI_FORMAT_BC6H_SF16 = 96,
gli::BP, //DXGI_FORMAT_BC7_TYPELESS = 97,
gli::BP, //DXGI_FORMAT_BC7_UNORM = 98,
gli::BP, //DXGI_FORMAT_BC7_UNORM_SRGB = 99,
gli::R32U //DXGI_FORMAT_FORCE_UINT = 0xffffffffUL
};
return Cast[Format];
}
}//namespace detail
inline texture2D loadDDS10
(
std::string const & Filename
)
{
std::ifstream FileIn(Filename.c_str(), std::ios::in | std::ios::binary);
if(FileIn.fail())
return texture2D();
loader_dds9::detail::ddsHeader HeaderDesc;
detail::ddsHeader10 HeaderDesc10;
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*)&HeaderDesc, sizeof(HeaderDesc));
if(HeaderDesc.format.flags & loader_dds9::detail::GLI_DDPF_FOURCC && HeaderDesc.format.fourCC == loader_dds9::detail::GLI_FOURCC_DX10)
FileIn.read((char*)&HeaderDesc10, sizeof(HeaderDesc10));
loader_dds9::detail::DDLoader Loader;
if(HeaderDesc.format.fourCC == loader_dds9::detail::GLI_FOURCC_DX10)
Loader.Format = detail::format_dds2gli_cast(HeaderDesc10.dxgiFormat);
else if(HeaderDesc.format.flags & loader_dds9::detail::GLI_DDPF_FOURCC)
Loader.Format = detail::format_fourcc2gli_cast(HeaderDesc.format.fourCC);
else
{
switch(HeaderDesc.format.bpp)
{
case 8:
Loader.Format = R8U;
break;
case 16:
Loader.Format = RG8U;
break;
case 24:
Loader.Format = RGB8U;
break;
case 32:
Loader.Format = RGBA8U;
break;
}
}
Loader.BlockSize = size(image2D(texture2D::dimensions_type(0), Loader.Format), BLOCK_SIZE);
Loader.BPP = size(image2D(image2D::dimensions_type(0), Loader.Format), BIT_PER_PIXEL);
std::size_t Width = HeaderDesc.width;
std::size_t Height = HeaderDesc.height;
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()));
//texture2D Image(glm::min(MipMapCount, Levels));//SurfaceDesc.mipMapLevels);
std::size_t MipMapCount = (HeaderDesc.flags & loader_dds9::detail::GLI_DDSD_MIPMAPCOUNT) ? HeaderDesc.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.BlockSize << 3) > Loader.BPP)
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 void saveDDS10
(
gli::texture2D const & Image,
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 = loader_dds9::detail::GLI_DDSD_CAPS | loader_dds9::detail::GLI_DDSD_HEIGHT | loader_dds9::detail::GLI_DDSD_WIDTH | loader_dds9::detail::GLI_DDSD_PIXELFORMAT;
loader_dds9::detail::ddsHeader HeaderDesc;
HeaderDesc.size = sizeof(loader_dds9::detail::ddsHeader);
HeaderDesc.flags = Caps | (loader_dds9::detail::isCompressed(Image) ? loader_dds9::detail::GLI_DDSD_LINEARSIZE : loader_dds9::detail::GLI_DDSD_PITCH) | (Image.levels() > 1 ? loader_dds9::detail::GLI_DDSD_MIPMAPCOUNT : 0); //659463;
HeaderDesc.width = Image[0].dimensions().x;
HeaderDesc.height = Image[0].dimensions().y;
HeaderDesc.pitch = loader_dds9::detail::isCompressed(Image) ? size(Image, LINEAR_SIZE) : 32;
HeaderDesc.depth = 0;
HeaderDesc.mipMapLevels = glm::uint32(Image.levels());
HeaderDesc.format.size = sizeof(loader_dds9::detail::ddsPixelFormat);
HeaderDesc.format.flags = loader_dds9::detail::GLI_DDPF_FOURCC;
HeaderDesc.format.fourCC = loader_dds9::detail::GLI_FOURCC_DX10;
HeaderDesc.format.bpp = size(Image, BIT_PER_PIXEL);
HeaderDesc.format.redMask = 0;
HeaderDesc.format.greenMask = 0;
HeaderDesc.format.blueMask = 0;
HeaderDesc.format.alphaMask = 0;
HeaderDesc.surfaceFlags = loader_dds9::detail::GLI_DDSCAPS_TEXTURE | (Image.levels() > 1 ? loader_dds9::detail::GLI_DDSCAPS_MIPMAP : 0);
HeaderDesc.cubemapFlags = 0;
FileOut.write((char*)&HeaderDesc, sizeof(HeaderDesc));
detail::ddsHeader10 HeaderDesc10;
HeaderDesc10.arraySize = 1;
HeaderDesc10.resourceDimension = detail::D3D10_RESOURCE_DIMENSION_TEXTURE2D;
HeaderDesc10.miscFlag = 0;//Image.levels() > 0 ? detail::D3D10_RESOURCE_MISC_GENERATE_MIPS : 0;
HeaderDesc10.dxgiFormat = detail::format_gli2dds_cast(Image.format());
HeaderDesc10.reserved = 0;
FileOut.write((char*)&HeaderDesc10, sizeof(HeaderDesc10));
for(gli::texture2D::level_type Level = 0; Level < Image.levels(); ++Level)
{
gli::texture2D::size_type ImageSize = size(Image[Level], gli::LINEAR_SIZE);
FileOut.write((char*)(Image[Level].data()), ImageSize);
}
if(FileOut.fail() || FileOut.bad())
return;
FileOut.close ();
}
}//namespace loader_dds10
}//namespace gtx
}//namespace gli