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Copy pathdds_readwrite.cpp
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1328 lines (1215 loc) · 44.2 KB
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/******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2014-2026 Baldur Karlsson
*
* 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.
******************************************************************************/
#include "dds_readwrite.h"
#include <stdint.h>
#include "common/common.h"
#include "common/formatting.h"
#include "common/result.h"
#include "os/os_specific.h"
#include "serialise/streamio.h"
static const uint32_t dds_fourcc = MAKE_FOURCC('D', 'D', 'S', ' ');
// from MSDN
struct DDS_PIXELFORMAT
{
uint32_t dwSize;
uint32_t dwFlags;
uint32_t dwFourCC;
uint32_t dwRGBBitCount;
uint32_t dwRBitMask;
uint32_t dwGBitMask;
uint32_t dwBBitMask;
uint32_t dwABitMask;
};
struct DDS_HEADER
{
uint32_t dwSize;
uint32_t dwFlags;
uint32_t dwHeight;
uint32_t dwWidth;
uint32_t dwPitchOrLinearSize;
uint32_t dwDepth;
uint32_t dwMipMapCount;
uint32_t dwReserved1[11];
DDS_PIXELFORMAT ddspf;
uint32_t dwCaps;
uint32_t dwCaps2;
uint32_t dwCaps3;
uint32_t dwCaps4;
uint32_t dwReserved2;
};
// from d3d10.h
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
};
// from dxgiformat.h
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_AYUV = 100,
DXGI_FORMAT_Y410 = 101,
DXGI_FORMAT_Y416 = 102,
DXGI_FORMAT_NV12 = 103,
DXGI_FORMAT_P010 = 104,
DXGI_FORMAT_P016 = 105,
DXGI_FORMAT_420_OPAQUE = 106,
DXGI_FORMAT_YUY2 = 107,
DXGI_FORMAT_Y210 = 108,
DXGI_FORMAT_Y216 = 109,
DXGI_FORMAT_NV11 = 110,
DXGI_FORMAT_AI44 = 111,
DXGI_FORMAT_IA44 = 112,
DXGI_FORMAT_P8 = 113,
DXGI_FORMAT_A8P8 = 114,
DXGI_FORMAT_B4G4R4A4_UNORM = 115,
DXGI_FORMAT_FORCE_UINT = 0xffffffff
};
struct DDS_HEADER_DXT10
{
DXGI_FORMAT dxgiFormat;
D3D10_RESOURCE_DIMENSION resourceDimension;
uint32_t miscFlag;
uint32_t arraySize;
uint32_t reserved;
};
#define DDSD_CAPS 0x1
#define DDSD_HEIGHT 0x2
#define DDSD_WIDTH 0x4
#define DDSD_PITCH 0x8
#define DDSD_PIXELFORMAT 0x1000
#define DDSD_MIPMAPCOUNT 0x20000
#define DDSD_LINEARSIZE 0x80000
#define DDSD_DEPTH 0x800000
#define DDSCAPS_COMPLEX 0x8
#define DDSCAPS_MIPMAP 0x400000
#define DDSCAPS_TEXTURE 0x1000
#define DDSCAPS2_CUBEMAP 0x0200 // d3d10+ requires all cubemap faces
#define DDSCAPS2_CUBEMAP_ALLFACES 0xfc00
#define DDSCAPS2_VOLUME 0x200000
#define DDS_RESOURCE_MISC_TEXTURECUBE 0x4
#define DDPF_ALPHAPIXELS 0x1
#define DDPF_ALPHA 0x2
#define DDPF_FOURCC 0x4
#define DDPF_RGB 0x40
#define DDPF_YUV 0x200
#define DDPF_LUMINANCE 0x20000
#define DDPF_BUMPDUDV 0x80000
#define DDPF_RGBA (DDPF_RGB | DDPF_ALPHAPIXELS)
ResourceFormat DXGIFormat2ResourceFormat(DXGI_FORMAT format)
{
ResourceFormat special;
ResourceFormat fmt32, fmt16, fmt8;
fmt32.compByteWidth = 4;
fmt32.compCount = 1;
fmt32.compType = CompType::Float;
fmt32.type = ResourceFormatType::Regular;
fmt16.compByteWidth = 2;
fmt16.compCount = 1;
fmt16.compType = CompType::Float;
fmt16.type = ResourceFormatType::Regular;
fmt8.compByteWidth = 1;
fmt8.compCount = 1;
fmt8.compType = CompType::UNorm;
fmt8.type = ResourceFormatType::Regular;
special.compCount = 4;
switch(format)
{
case DXGI_FORMAT_BC1_UNORM:
case DXGI_FORMAT_BC1_UNORM_SRGB:
special.type = ResourceFormatType::BC1;
special.compType =
(format == DXGI_FORMAT_BC1_UNORM_SRGB) ? CompType::UNormSRGB : CompType::UNorm;
return special;
case DXGI_FORMAT_BC2_UNORM:
case DXGI_FORMAT_BC2_UNORM_SRGB:
special.type = ResourceFormatType::BC2;
special.compType =
(format == DXGI_FORMAT_BC2_UNORM_SRGB) ? CompType::UNormSRGB : CompType::UNorm;
return special;
case DXGI_FORMAT_BC3_UNORM:
case DXGI_FORMAT_BC3_UNORM_SRGB:
special.type = ResourceFormatType::BC3;
special.compType =
(format == DXGI_FORMAT_BC3_UNORM_SRGB) ? CompType::UNormSRGB : CompType::UNorm;
return special;
case DXGI_FORMAT_BC4_UNORM:
case DXGI_FORMAT_BC4_SNORM:
special.type = ResourceFormatType::BC4;
special.compType = (format == DXGI_FORMAT_BC4_UNORM ? CompType::UNorm : CompType::SNorm);
special.compCount = 1;
return special;
case DXGI_FORMAT_BC5_UNORM:
case DXGI_FORMAT_BC5_SNORM:
special.type = ResourceFormatType::BC5;
special.compType = (format == DXGI_FORMAT_BC5_UNORM ? CompType::UNorm : CompType::SNorm);
special.compCount = 2;
return special;
case DXGI_FORMAT_BC6H_UF16:
case DXGI_FORMAT_BC6H_SF16:
special.type = ResourceFormatType::BC6;
special.compType = (format == DXGI_FORMAT_BC6H_UF16 ? CompType::UNorm : CompType::SNorm);
special.compCount = 3;
return special;
case DXGI_FORMAT_BC7_UNORM:
case DXGI_FORMAT_BC7_UNORM_SRGB:
special.type = ResourceFormatType::BC7;
special.compType =
(format == DXGI_FORMAT_BC7_UNORM_SRGB) ? CompType::UNormSRGB : CompType::UNorm;
return special;
case DXGI_FORMAT_R10G10B10A2_UNORM:
case DXGI_FORMAT_R10G10B10A2_UINT:
special.type = ResourceFormatType::R10G10B10A2;
special.compType = (format == DXGI_FORMAT_R10G10B10A2_UNORM ? CompType::UNorm : CompType::UInt);
return special;
case DXGI_FORMAT_R11G11B10_FLOAT:
special.type = ResourceFormatType::R11G11B10;
special.compCount = 3;
return special;
case DXGI_FORMAT_B5G6R5_UNORM:
special.SetBGRAOrder(true);
special.type = ResourceFormatType::R5G6B5;
special.compCount = 3;
return special;
case DXGI_FORMAT_B5G5R5A1_UNORM:
special.SetBGRAOrder(true);
special.type = ResourceFormatType::R5G5B5A1;
return special;
case DXGI_FORMAT_R9G9B9E5_SHAREDEXP:
special.type = ResourceFormatType::R9G9B9E5;
special.compCount = 3;
return special;
case DXGI_FORMAT_A8_UNORM:
special.type = ResourceFormatType::A8;
special.compType = CompType::UNorm;
special.compByteWidth = 1;
special.compCount = 1;
return special;
case DXGI_FORMAT_B4G4R4A4_UNORM:
special.SetBGRAOrder(true);
special.type = ResourceFormatType::R4G4B4A4;
return special;
case DXGI_FORMAT_D24_UNORM_S8_UINT:
special.compType = CompType::Depth;
special.type = ResourceFormatType::D24S8;
special.compCount = 2;
return special;
case DXGI_FORMAT_D32_FLOAT_S8X24_UINT:
special.compType = CompType::Depth;
special.type = ResourceFormatType::D32S8;
special.compCount = 2;
return special;
case DXGI_FORMAT_YUY2:
special.type = ResourceFormatType::YUV8;
special.compByteWidth = 1;
special.compCount = 3;
special.compType = CompType::UNorm;
special.SetYUVSubsampling(422);
return special;
case DXGI_FORMAT_R32G32B32A32_UINT:
fmt32.compType = CompType::UInt;
fmt32.compCount = 4;
return fmt32;
case DXGI_FORMAT_R32G32B32A32_SINT:
fmt32.compType = CompType::SInt;
fmt32.compCount = 4;
return fmt32;
case DXGI_FORMAT_R32G32B32A32_FLOAT: fmt32.compCount = 4; return fmt32;
case DXGI_FORMAT_R32G32B32_UINT:
fmt32.compType = CompType::UInt;
fmt32.compCount = 3;
return fmt32;
case DXGI_FORMAT_R32G32B32_SINT:
fmt32.compType = CompType::SInt;
fmt32.compCount = 3;
return fmt32;
case DXGI_FORMAT_R32G32B32_FLOAT: fmt32.compCount = 3; return fmt32;
case DXGI_FORMAT_R32G32_UINT:
fmt32.compType = CompType::UInt;
fmt32.compCount = 2;
return fmt32;
case DXGI_FORMAT_R32G32_SINT:
fmt32.compType = CompType::SInt;
fmt32.compCount = 2;
return fmt32;
case DXGI_FORMAT_R32G32_FLOAT: fmt32.compCount = 2; return fmt32;
case DXGI_FORMAT_R32_UINT: fmt32.compType = CompType::UInt; return fmt32;
case DXGI_FORMAT_R32_SINT: fmt32.compType = CompType::SInt; return fmt32;
case DXGI_FORMAT_D32_FLOAT: fmt32.compType = CompType::Depth; return fmt32;
case DXGI_FORMAT_R32_FLOAT: return fmt32;
case DXGI_FORMAT_R16G16B16A16_UINT:
fmt16.compType = CompType::UInt;
fmt16.compCount = 4;
return fmt16;
case DXGI_FORMAT_R16G16B16A16_SINT:
fmt16.compType = CompType::SInt;
fmt16.compCount = 4;
return fmt16;
case DXGI_FORMAT_R16G16B16A16_UNORM:
fmt16.compType = CompType::UNorm;
fmt16.compCount = 4;
return fmt16;
case DXGI_FORMAT_R16G16B16A16_SNORM:
fmt16.compType = CompType::SNorm;
fmt16.compCount = 4;
return fmt16;
case DXGI_FORMAT_R16G16B16A16_FLOAT: fmt16.compCount = 4; return fmt16;
case DXGI_FORMAT_R16G16_UINT:
fmt16.compType = CompType::UInt;
fmt16.compCount = 2;
return fmt16;
case DXGI_FORMAT_R16G16_SINT:
fmt16.compType = CompType::SInt;
fmt16.compCount = 2;
return fmt16;
case DXGI_FORMAT_R16G16_UNORM:
fmt16.compType = CompType::UNorm;
fmt16.compCount = 2;
return fmt16;
case DXGI_FORMAT_R16G16_SNORM:
fmt16.compType = CompType::SNorm;
fmt16.compCount = 2;
return fmt16;
case DXGI_FORMAT_R16G16_FLOAT: fmt16.compCount = 2; return fmt16;
case DXGI_FORMAT_D16_UNORM: fmt16.compType = CompType::Depth; return fmt16;
case DXGI_FORMAT_R16_UINT: fmt16.compType = CompType::UInt; return fmt16;
case DXGI_FORMAT_R16_SINT: fmt16.compType = CompType::SInt; return fmt16;
case DXGI_FORMAT_R16_UNORM: fmt16.compType = CompType::UNorm; return fmt16;
case DXGI_FORMAT_R16_SNORM: fmt16.compType = CompType::SNorm; return fmt16;
case DXGI_FORMAT_R16_FLOAT: return fmt16;
case DXGI_FORMAT_R8G8B8A8_UINT:
fmt8.compType = CompType::UInt;
fmt8.compCount = 4;
return fmt8;
case DXGI_FORMAT_R8G8B8A8_SINT:
fmt8.compType = CompType::SInt;
fmt8.compCount = 4;
return fmt8;
case DXGI_FORMAT_R8G8B8A8_SNORM:
fmt8.compType = CompType::SNorm;
fmt8.compCount = 4;
return fmt8;
case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
fmt8.compType = CompType::UNormSRGB;
fmt8.compCount = 4;
return fmt8;
case DXGI_FORMAT_R8G8B8A8_UNORM: fmt8.compCount = 4; return fmt8;
case DXGI_FORMAT_B8G8R8X8_UNORM:
case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
case DXGI_FORMAT_B8G8R8A8_UNORM:
case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
fmt8.compCount = 4;
fmt8.SetBGRAOrder(true);
fmt8.compType =
(format == DXGI_FORMAT_B8G8R8A8_UNORM_SRGB || format == DXGI_FORMAT_B8G8R8X8_UNORM_SRGB)
? CompType::UNormSRGB
: CompType::UNorm;
return fmt8;
case DXGI_FORMAT_R8G8_UINT:
fmt8.compType = CompType::UInt;
fmt8.compCount = 2;
return fmt8;
case DXGI_FORMAT_R8G8_SINT:
fmt8.compType = CompType::SInt;
fmt8.compCount = 2;
return fmt8;
case DXGI_FORMAT_R8G8_SNORM:
fmt8.compType = CompType::SNorm;
fmt8.compCount = 2;
return fmt8;
case DXGI_FORMAT_R8G8_UNORM: fmt8.compCount = 2; return fmt8;
case DXGI_FORMAT_R8_UINT: fmt8.compType = CompType::UInt; return fmt8;
case DXGI_FORMAT_R8_SINT: fmt8.compType = CompType::SInt; return fmt8;
case DXGI_FORMAT_R8_SNORM: fmt8.compType = CompType::SNorm; return fmt8;
case DXGI_FORMAT_R8_UNORM: return fmt8;
default: RDCWARN("Unsupported DXGI_FORMAT: %u", (uint32_t)format);
}
return ResourceFormat();
}
DXGI_FORMAT ResourceFormat2DXGIFormat(ResourceFormat format)
{
if(format.Special())
{
switch(format.type)
{
case ResourceFormatType::BC1:
return format.SRGBCorrected() ? DXGI_FORMAT_BC1_UNORM_SRGB : DXGI_FORMAT_BC1_UNORM;
case ResourceFormatType::BC2:
return format.SRGBCorrected() ? DXGI_FORMAT_BC2_UNORM_SRGB : DXGI_FORMAT_BC2_UNORM;
case ResourceFormatType::BC3:
return format.SRGBCorrected() ? DXGI_FORMAT_BC3_UNORM_SRGB : DXGI_FORMAT_BC3_UNORM;
case ResourceFormatType::BC4:
return format.compType == CompType::SNorm ? DXGI_FORMAT_BC4_SNORM : DXGI_FORMAT_BC4_UNORM;
case ResourceFormatType::BC5:
return format.compType == CompType::SNorm ? DXGI_FORMAT_BC5_SNORM : DXGI_FORMAT_BC5_UNORM;
case ResourceFormatType::BC6:
return format.compType == CompType::SNorm ? DXGI_FORMAT_BC6H_SF16 : DXGI_FORMAT_BC6H_UF16;
case ResourceFormatType::BC7:
return format.SRGBCorrected() ? DXGI_FORMAT_BC7_UNORM_SRGB : DXGI_FORMAT_BC7_UNORM;
case ResourceFormatType::R10G10B10A2:
if(format.BGRAOrder())
return DXGI_FORMAT_UNKNOWN;
return format.compType == CompType::UInt ? DXGI_FORMAT_R10G10B10A2_UINT
: DXGI_FORMAT_R10G10B10A2_UNORM;
case ResourceFormatType::R11G11B10: return DXGI_FORMAT_R11G11B10_FLOAT;
case ResourceFormatType::R5G6B5:
if(!format.BGRAOrder())
return DXGI_FORMAT_UNKNOWN;
return DXGI_FORMAT_B5G6R5_UNORM;
case ResourceFormatType::R5G5B5A1:
if(!format.BGRAOrder())
return DXGI_FORMAT_UNKNOWN;
return DXGI_FORMAT_B5G5R5A1_UNORM;
case ResourceFormatType::R9G9B9E5: return DXGI_FORMAT_R9G9B9E5_SHAREDEXP;
case ResourceFormatType::R4G4B4A4:
if(!format.BGRAOrder())
return DXGI_FORMAT_UNKNOWN;
return DXGI_FORMAT_B4G4R4A4_UNORM;
case ResourceFormatType::D24S8: return DXGI_FORMAT_D24_UNORM_S8_UINT;
case ResourceFormatType::D32S8: return DXGI_FORMAT_D32_FLOAT_S8X24_UINT;
case ResourceFormatType::S8: return DXGI_FORMAT_R8_UINT;
case ResourceFormatType::A8: return DXGI_FORMAT_A8_UNORM;
default:
case ResourceFormatType::R4G4:
case ResourceFormatType::D16S8:
case ResourceFormatType::ETC2:
case ResourceFormatType::EAC:
case ResourceFormatType::ASTC:
case ResourceFormatType::YUV8:
case ResourceFormatType::YUV10:
case ResourceFormatType::YUV12:
case ResourceFormatType::YUV16: return DXGI_FORMAT_UNKNOWN;
}
}
if(format.compCount == 4)
{
if(format.compByteWidth == 4)
{
switch(format.compType)
{
case CompType::UInt: return DXGI_FORMAT_R32G32B32A32_UINT;
case CompType::SInt: return DXGI_FORMAT_R32G32B32A32_SINT;
default: return DXGI_FORMAT_R32G32B32A32_FLOAT;
}
}
else if(format.compByteWidth == 2)
{
switch(format.compType)
{
case CompType::UInt: return DXGI_FORMAT_R16G16B16A16_UINT;
case CompType::SInt: return DXGI_FORMAT_R16G16B16A16_SINT;
case CompType::UNorm: return DXGI_FORMAT_R16G16B16A16_UNORM;
case CompType::SNorm: return DXGI_FORMAT_R16G16B16A16_SNORM;
default: return DXGI_FORMAT_R16G16B16A16_FLOAT;
}
}
else if(format.compByteWidth == 1)
{
switch(format.compType)
{
case CompType::UInt: return DXGI_FORMAT_R8G8B8A8_UINT;
case CompType::SInt: return DXGI_FORMAT_R8G8B8A8_SINT;
case CompType::SNorm: return DXGI_FORMAT_R8G8B8A8_SNORM;
default:
case CompType::UNorm:
case CompType::UNormSRGB:
if(format.SRGBCorrected())
{
if(format.BGRAOrder())
return DXGI_FORMAT_B8G8R8A8_UNORM_SRGB;
else
return DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
}
else
{
if(format.BGRAOrder())
return DXGI_FORMAT_B8G8R8A8_UNORM;
else
return DXGI_FORMAT_R8G8B8A8_UNORM;
}
}
}
return DXGI_FORMAT_UNKNOWN;
}
else if(format.compCount == 3)
{
if(format.compByteWidth == 4)
{
switch(format.compType)
{
case CompType::UInt: return DXGI_FORMAT_R32G32B32_UINT;
case CompType::SInt: return DXGI_FORMAT_R32G32B32_SINT;
default: return DXGI_FORMAT_R32G32B32_FLOAT;
}
}
return DXGI_FORMAT_UNKNOWN;
}
else if(format.compCount == 2)
{
if(format.compByteWidth == 4)
{
switch(format.compType)
{
case CompType::UInt: return DXGI_FORMAT_R32G32_UINT;
case CompType::SInt: return DXGI_FORMAT_R32G32_SINT;
default: return DXGI_FORMAT_R32G32_FLOAT;
}
}
else if(format.compByteWidth == 2)
{
switch(format.compType)
{
case CompType::UInt: return DXGI_FORMAT_R16G16_UINT;
case CompType::SInt: return DXGI_FORMAT_R16G16_SINT;
case CompType::UNorm: return DXGI_FORMAT_R16G16_UNORM;
case CompType::SNorm: return DXGI_FORMAT_R16G16_SNORM;
default: return DXGI_FORMAT_R16G16_FLOAT;
}
}
else if(format.compByteWidth == 1)
{
switch(format.compType)
{
case CompType::UInt: return DXGI_FORMAT_R8G8_UINT;
case CompType::SInt: return DXGI_FORMAT_R8G8_SINT;
case CompType::SNorm: return DXGI_FORMAT_R8G8_SNORM;
default: return DXGI_FORMAT_R8G8_UNORM;
}
}
return DXGI_FORMAT_UNKNOWN;
}
else if(format.compCount == 1)
{
if(format.compByteWidth == 4)
{
switch(format.compType)
{
case CompType::UInt: return DXGI_FORMAT_R32_UINT;
case CompType::SInt: return DXGI_FORMAT_R32_SINT;
case CompType::Depth: return DXGI_FORMAT_D32_FLOAT;
default: return DXGI_FORMAT_R32_FLOAT;
}
}
else if(format.compByteWidth == 2)
{
switch(format.compType)
{
case CompType::Depth: return DXGI_FORMAT_D16_UNORM;
case CompType::UInt: return DXGI_FORMAT_R16_UINT;
case CompType::SInt: return DXGI_FORMAT_R16_SINT;
case CompType::UNorm: return DXGI_FORMAT_R16_UNORM;
case CompType::SNorm: return DXGI_FORMAT_R16_SNORM;
default: return DXGI_FORMAT_R16_FLOAT;
}
}
else if(format.compByteWidth == 1)
{
switch(format.compType)
{
case CompType::UInt: return DXGI_FORMAT_R8_UINT;
case CompType::SInt: return DXGI_FORMAT_R8_SINT;
case CompType::SNorm: return DXGI_FORMAT_R8_SNORM;
default: return DXGI_FORMAT_R8_UNORM;
}
}
return DXGI_FORMAT_UNKNOWN;
}
return DXGI_FORMAT_UNKNOWN;
}
RDResult write_dds_to_file(FILE *f, const write_tex_data &data)
{
if(!f)
return RDResult(ResultCode::InvalidParameter, "Missing file handle writing DDS file");
uint32_t magic = dds_fourcc;
DDS_HEADER header;
DDS_HEADER_DXT10 headerDXT10;
RDCEraseEl(header);
RDCEraseEl(headerDXT10);
header.dwSize = sizeof(DDS_HEADER);
header.ddspf.dwSize = sizeof(DDS_PIXELFORMAT);
header.dwWidth = data.width;
header.dwHeight = data.height;
header.dwDepth = data.depth;
header.dwMipMapCount = data.mips;
header.dwFlags = DDSD_CAPS | DDSD_WIDTH | DDSD_HEIGHT | DDSD_PIXELFORMAT;
if(data.mips > 1)
header.dwFlags |= DDSD_MIPMAPCOUNT;
if(data.depth > 1)
header.dwFlags |= DDSD_DEPTH;
bool blockFormat = false;
if(data.format.Special())
{
switch(data.format.type)
{
case ResourceFormatType::BC1:
case ResourceFormatType::BC2:
case ResourceFormatType::BC3:
case ResourceFormatType::BC4:
case ResourceFormatType::BC5:
case ResourceFormatType::BC6:
case ResourceFormatType::BC7: blockFormat = true; break;
case ResourceFormatType::ETC2:
case ResourceFormatType::EAC:
case ResourceFormatType::ASTC:
case ResourceFormatType::YUV8:
case ResourceFormatType::YUV10:
case ResourceFormatType::YUV12:
case ResourceFormatType::YUV16:
{
RETURN_ERROR_RESULT(ResultCode::ImageUnsupported,
"Unsupported file format %s to write to DDS",
ToStr(data.format.type).c_str());
}
default: break;
}
}
if(blockFormat)
header.dwFlags |= DDSD_LINEARSIZE;
else
header.dwFlags |= DDSD_PITCH;
header.dwCaps = DDSCAPS_TEXTURE;
if(data.mips > 1)
header.dwCaps |= DDSCAPS_MIPMAP;
if(data.mips > 1 || data.slices > 1 || data.depth > 1)
header.dwCaps |= DDSCAPS_COMPLEX;
header.dwCaps2 = data.depth > 1 ? DDSCAPS2_VOLUME : 0;
bool dx10Header = false;
headerDXT10.dxgiFormat = ResourceFormat2DXGIFormat(data.format);
headerDXT10.resourceDimension =
data.depth > 1 ? D3D10_RESOURCE_DIMENSION_TEXTURE3D : D3D10_RESOURCE_DIMENSION_TEXTURE2D;
headerDXT10.miscFlag = 0;
headerDXT10.arraySize = data.slices;
if(headerDXT10.dxgiFormat == DXGI_FORMAT_UNKNOWN)
{
RETURN_ERROR_RESULT(ResultCode::ImageUnsupported,
"Couldn't convert resource format %s to DDS-compatible DXGI format",
data.format.Name().c_str());
}
if(data.cubemap)
{
header.dwCaps2 = DDSCAPS2_CUBEMAP | DDSCAPS2_CUBEMAP_ALLFACES;
headerDXT10.miscFlag |= DDS_RESOURCE_MISC_TEXTURECUBE;
headerDXT10.arraySize /= 6;
}
if(headerDXT10.arraySize > 1)
dx10Header = true; // need to specify dx10 header to give array size
uint32_t bytesPerPixel = 1;
if(blockFormat)
{
int blockSize =
(data.format.type == ResourceFormatType::BC1 || data.format.type == ResourceFormatType::BC4)
? 8
: 16;
header.dwPitchOrLinearSize =
RDCMAX(1U, ((header.dwWidth + 3) / 4)) * blockSize * RDCMAX(1U, data.height / 4);
}
else
{
switch(data.format.type)
{
case ResourceFormatType::S8:
case ResourceFormatType::A8: bytesPerPixel = 1; break;
case ResourceFormatType::R10G10B10A2:
case ResourceFormatType::R9G9B9E5:
case ResourceFormatType::R11G11B10:
case ResourceFormatType::D24S8: bytesPerPixel = 4; break;
case ResourceFormatType::R5G6B5:
case ResourceFormatType::R5G5B5A1:
case ResourceFormatType::R4G4B4A4: bytesPerPixel = 2; break;
case ResourceFormatType::D32S8: bytesPerPixel = 8; break;
case ResourceFormatType::D16S8:
case ResourceFormatType::YUV8:
case ResourceFormatType::YUV10:
case ResourceFormatType::YUV12:
case ResourceFormatType::YUV16:
case ResourceFormatType::R4G4:
{
RETURN_ERROR_RESULT(ResultCode::ImageUnsupported,
"Unsupported file format %s to write to DDS",
ToStr(data.format.type).c_str());
}
default: bytesPerPixel = data.format.compCount * data.format.compByteWidth;
}
header.dwPitchOrLinearSize = header.dwWidth * bytesPerPixel;
}
// special case a couple of formats to write out non-DX10 style, for
// backwards compatibility
if(data.format.compByteWidth * data.format.compCount <= 4 &&
data.format.type == ResourceFormatType::Regular && data.format.compType == CompType::UNorm)
{
uint32_t bits = data.format.compByteWidth * 8;
header.ddspf.dwFlags = DDPF_RGBA;
header.ddspf.dwRGBBitCount = data.format.compCount * bits;
header.ddspf.dwRBitMask = (1U << bits) - 1;
if(data.format.compCount >= 2)
header.ddspf.dwGBitMask = header.ddspf.dwRBitMask << bits;
if(data.format.compCount >= 3)
header.ddspf.dwBBitMask = header.ddspf.dwGBitMask << bits;
if(data.format.compCount >= 4)
header.ddspf.dwABitMask = header.ddspf.dwBBitMask << bits;
if(data.format.BGRAOrder() && data.format.compCount >= 3)
std::swap(header.ddspf.dwRBitMask, header.ddspf.dwBBitMask);
}
else if(data.format.type == ResourceFormatType::R4G4B4A4)
{
header.ddspf.dwFlags = DDPF_RGBA;
header.ddspf.dwRGBBitCount = 16;
header.ddspf.dwRBitMask = 0x0f00;
header.ddspf.dwGBitMask = 0x00f0;
header.ddspf.dwBBitMask = 0x000f;
header.ddspf.dwABitMask = 0xf000;
}
else if(data.format.type == ResourceFormatType::R5G5B5A1)
{
header.ddspf.dwFlags = DDPF_RGBA;
header.ddspf.dwRGBBitCount = 16;
header.ddspf.dwRBitMask = 0x7c00;
header.ddspf.dwGBitMask = 0x03e0;
header.ddspf.dwBBitMask = 0x001f;
header.ddspf.dwABitMask = 0x8000;
}
else if(data.format.type == ResourceFormatType::R5G6B5)
{
header.ddspf.dwFlags = DDPF_RGBA;
header.ddspf.dwRGBBitCount = 16;
header.ddspf.dwRBitMask = 0xf800;
header.ddspf.dwGBitMask = 0x07e0;
header.ddspf.dwBBitMask = 0x001f;
header.ddspf.dwABitMask = 0x0000;
}
else if(data.format.type == ResourceFormatType::BC1 && data.format.compType == CompType::UNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('D', 'X', 'T', '1');
}
else if(data.format.type == ResourceFormatType::BC2 && data.format.compType == CompType::UNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('D', 'X', 'T', '3');
}
else if(data.format.type == ResourceFormatType::BC3 && data.format.compType == CompType::UNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('D', 'X', 'T', '5');
}
else if(data.format.type == ResourceFormatType::BC4 && data.format.compType == CompType::UNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('B', 'C', '4', 'U');
}
else if(data.format.type == ResourceFormatType::BC4 && data.format.compType == CompType::SNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('B', 'C', '4', 'S');
}
else if(data.format.type == ResourceFormatType::BC5 && data.format.compType == CompType::UNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('A', 'T', 'I', '2');
}
else if(data.format.type == ResourceFormatType::BC5 && data.format.compType == CompType::SNorm)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('B', 'C', '5', 'S');
}
else
{
// just write out DX10 header
dx10Header = true;
}
if(dx10Header)
{
header.ddspf.dwFlags = DDPF_FOURCC;
header.ddspf.dwFourCC = MAKE_FOURCC('D', 'X', '1', '0');
}
{
FileIO::fwrite(&magic, sizeof(magic), 1, f);
FileIO::fwrite(&header, sizeof(header), 1, f);
if(dx10Header)
FileIO::fwrite(&headerDXT10, sizeof(headerDXT10), 1, f);
int i = 0;
for(uint32_t slice = 0; slice < RDCMAX(1U, data.slices); slice++)
{
for(uint32_t mip = 0; mip < RDCMAX(1U, data.mips); mip++)
{
uint32_t numdepths = RDCMAX(1U, data.depth >> mip);
for(uint32_t d = 0; d < numdepths; d++)
{
byte *bytedata = data.subresources[i];
uint32_t rowlen = RDCMAX(1U, data.width >> mip);
uint32_t numRows = RDCMAX(1U, data.height >> mip);
uint32_t pitch = RDCMAX(1U, rowlen * bytesPerPixel);
// pitch/rows are in blocks, not pixels, for block formats.
if(blockFormat)
{
numRows = RDCMAX(1U, (numRows + 3) / 4);
uint32_t blockSize = (data.format.type == ResourceFormatType::BC1 ||
data.format.type == ResourceFormatType::BC4)
? 8
: 16;
pitch = RDCMAX(blockSize, (((rowlen + 3) / 4)) * blockSize);
}
for(uint32_t row = 0; row < numRows; row++)
{
FileIO::fwrite(bytedata, 1, pitch, f);
bytedata += pitch;
}
i++;
}
}
}
}
return RDResult();
}
bool is_dds_file(const byte *headerBuffer, size_t size)
{
if(size < 4)
{
return false;
}
return memcmp(headerBuffer, &dds_fourcc, 4) == 0;
}
RDResult load_dds_from_file(StreamReader *reader, read_tex_data &ret)
{
uint64_t fileSize = reader->GetSize();
uint32_t magic = 0;
reader->Read(magic);
DDS_HEADER header = {};
reader->Read(header);
bool dx10Header = false;
DDS_HEADER_DXT10 headerDXT10 = {};
if(header.ddspf.dwFlags & DDPF_FOURCC && header.ddspf.dwFourCC == MAKE_FOURCC('D', 'X', '1', '0'))
{
reader->Read(headerDXT10);
dx10Header = true;
}
ret.width = RDCMAX(1U, header.dwWidth);
ret.height = RDCMAX(1U, header.dwHeight);
ret.depth = RDCMAX(1U, header.dwDepth);
ret.slices = dx10Header ? RDCMAX(1U, headerDXT10.arraySize) : 1;
ret.mips = RDCMAX(1U, header.dwMipMapCount);
// maximum dimension of textures)
if(ret.width > 0x20000 || ret.height > 0x20000)
RDCWARN("Possibly invalid DDS dimension: %u x %u", ret.width, ret.height);
if(ret.depth > 2048)
RDCWARN("Possibly invalid DDS 3D depth: %u", ret.depth);
if(ret.slices > 2048)
RDCWARN("Possibly invalid DDS array size: %u", ret.slices);
if(ret.mips > 18)
RDCERR("Invalid DDS mip count: %u", ret.mips);