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o3de/Gems/Atom/Utils/Code/Source/DdsFile.cpp

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/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#include <Atom/Utils/DdsFile.h>
#include <Atom/RHI.Reflect/ImageSubresource.h>
#include <AzCore/IO/FileIO.h>
#include <AzCore/IO/GenericStreams.h>
namespace AZ
{
namespace
{
// Flags to indicate which members contain valid data
enum DdsFlags : uint32_t
{
Unknown = 0x00000000,
Caps = 0x00000001, // DDSD_CAPS
Height = 0x00000002, // DDSD_HEIGHT
Width = 0x00000004, // DDSD_WIDTH
Pitch = 0x00000008, // DDSD_PITCH
PixelFormat = 0x00001000, // DDSD_PIXELFORMAT
MipmapCount = 0x00020000, // DDSD_MIPMAPCOUNT
LinearSize = 0x00080000, // DDSD_LINEARSIZE
Depth = 0x00800000, // DDSD_DEPTH
};
// Specifies the complexity of the surfaces stored
enum DdsCaps : uint32_t
{
Complex = 0x00000008, // DDSCAPS_COMPLEX
Mipmap = 0x00400000, // DDSCAPS_MIPMAP
Texture = 0x00001000, // DDSCAPS_TEXTURE
};
// Additional detail about the surfaces stored.
enum DdsCaps2 : uint32_t
{
Cubemap = 0x00000200, // DDSCAPS2_CUBEMAP
PositiveX = 0x00000400, // DDSCAPS2_CUBEMAP_POSITIVEX
NegativeX = 0x00000800, // DDSCAPS2_CUBEMAP_NEGATIVEX
PositiveY = 0x00001000, // DDSCAPS2_CUBEMAP_POSITIVEY
NegativeY = 0x00002000, // DDSCAPS2_CUBEMAP_NEGATIVEY
PositiveZ = 0x00004000, // DDSCAPS2_CUBEMAP_POSITIVEZ
NegativeZ = 0x00008000, // DDSCAPS2_CUBEMAP_NEGATIVEZ
CubemapAll = Cubemap | PositiveX | NegativeX | PositiveY | NegativeY | PositiveZ | NegativeZ, //DDS_CUBEMAP_ALLFACES
Volume = 0x00200000, // DDSCAPS2_VOLUME
};
enum PixelFormatFlags : uint32_t
{
AlphaPixels = 0x00000001, // DDPF_ALPHAPIXELS
Alpha = 0x00000002, // DDPF_ALPHA
FourCC = 0x00000004, // DDPF_FOURCC
RGB = 0x00000040, // DDPF_RGB
YUV = 0x00000200, // DDPF_YUV
Luminance = 0x00020000, // DDPF_LUMINANCE
};
enum class ResourceDimension : uint32_t
{
Unknown = 0, // D3D10_RESOURCE_DIMENSION_UNKNOWN
Buffer = 1, // D3D10_RESOURCE_DIMENSION_BUFFER
Texture1D = 2, // D3D10_RESOURCE_DIMENSION_TEXTURE1D
Texture2D = 3, // D3D10_RESOURCE_DIMENSION_TEXTURE2D
Texture3D = 4, // D3D10_RESOURCE_DIMENSION_TEXTURE3D
};
enum Dx10MiscFlags : uint32_t
{
TextureCube = 0x4, // DDS_RESOURCE_MISC_TEXTURECUBE
};
enum class DxgiFormat : uint32_t
{
UNKNOWN = 0,
R32G32B32A32_TYPELESS = 1,
R32G32B32A32_FLOAT = 2,
R32G32B32A32_UINT = 3,
R32G32B32A32_SINT = 4,
R32G32B32_TYPELESS = 5,
R32G32B32_FLOAT = 6,
R32G32B32_UINT = 7,
R32G32B32_SINT = 8,
R16G16B16A16_TYPELESS = 9,
R16G16B16A16_FLOAT = 10,
R16G16B16A16_UNORM = 11,
R16G16B16A16_UINT = 12,
R16G16B16A16_SNORM = 13,
R16G16B16A16_SINT = 14,
R32G32_TYPELESS = 15,
R32G32_FLOAT = 16,
R32G32_UINT = 17,
R32G32_SINT = 18,
R32G8X24_TYPELESS = 19,
D32_FLOAT_S8X24_UINT = 20,
R32_FLOAT_X8X24_TYPELESS = 21,
X32_TYPELESS_G8X24_UINT = 22,
R10G10B10A2_TYPELESS = 23,
R10G10B10A2_UNORM = 24,
R10G10B10A2_UINT = 25,
R11G11B10_FLOAT = 26,
R8G8B8A8_TYPELESS = 27,
R8G8B8A8_UNORM = 28,
R8G8B8A8_UNORM_SRGB = 29,
R8G8B8A8_UINT = 30,
R8G8B8A8_SNORM = 31,
R8G8B8A8_SINT = 32,
R16G16_TYPELESS = 33,
R16G16_FLOAT = 34,
R16G16_UNORM = 35,
R16G16_UINT = 36,
R16G16_SNORM = 37,
R16G16_SINT = 38,
R32_TYPELESS = 39,
D32_FLOAT = 40,
R32_FLOAT = 41,
R32_UINT = 42,
R32_SINT = 43,
R24G8_TYPELESS = 44,
D24_UNORM_S8_UINT = 45,
R24_UNORM_X8_TYPELESS = 46,
X24_TYPELESS_G8_UINT = 47,
R8G8_TYPELESS = 48,
R8G8_UNORM = 49,
R8G8_UINT = 50,
R8G8_SNORM = 51,
R8G8_SINT = 52,
R16_TYPELESS = 53,
R16_FLOAT = 54,
D16_UNORM = 55,
R16_UNORM = 56,
R16_UINT = 57,
R16_SNORM = 58,
R16_SINT = 59,
R8_TYPELESS = 60,
R8_UNORM = 61,
R8_UINT = 62,
R8_SNORM = 63,
R8_SINT = 64,
A8_UNORM = 65,
R1_UNORM = 66,
R9G9B9E5_SHAREDEXP = 67,
R8G8_B8G8_UNORM = 68,
G8R8_G8B8_UNORM = 69,
BC1_TYPELESS = 70,
BC1_UNORM = 71,
BC1_UNORM_SRGB = 72,
BC2_TYPELESS = 73,
BC2_UNORM = 74,
BC2_UNORM_SRGB = 75,
BC3_TYPELESS = 76,
BC3_UNORM = 77,
BC3_UNORM_SRGB = 78,
BC4_TYPELESS = 79,
BC4_UNORM = 80,
BC4_SNORM = 81,
BC5_TYPELESS = 82,
BC5_UNORM = 83,
BC5_SNORM = 84,
B5G6R5_UNORM = 85,
B5G5R5A1_UNORM = 86,
B8G8R8A8_UNORM = 87,
B8G8R8X8_UNORM = 88,
R10G10B10_XR_BIAS_A2_UNORM = 89,
B8G8R8A8_TYPELESS = 90,
B8G8R8A8_UNORM_SRGB = 91,
B8G8R8X8_TYPELESS = 92,
B8G8R8X8_UNORM_SRGB = 93,
BC6H_TYPELESS = 94,
BC6H_UF16 = 95,
BC6H_SF16 = 96,
BC7_TYPELESS = 97,
BC7_UNORM = 98,
BC7_UNORM_SRGB = 99,
AYUV = 100,
Y410 = 101,
Y416 = 102,
NV12 = 103,
P010 = 104,
P016 = 105,
_420_OPAQUE = 106,
YUY2 = 107,
Y210 = 108,
Y216 = 109,
NV11 = 110,
AI44 = 111,
IA44 = 112,
P8 = 113,
A8P8 = 114,
B4G4R4A4_UNORM = 115,
// Hardware specific
R10G10B10_7E3_A2_FLOAT = 116,
R10G10B10_6E4_A2_FLOAT = 117,
D16_UNORM_S8_UINT = 118,
X16_TYPELESS_G8_UINT = 120,
// Dxgi 3.1 specific
P208 = 130,
V208 = 131,
V408 = 132,
};
constexpr uint32_t MakeFourCC(char ch0 = ' ', char ch1 = ' ', char ch2 = ' ', char ch3 = ' ')
{
return ((uint32_t)(uint8_t)(ch0)
| ((uint32_t)(uint8_t)(ch1) << 8)
| ((uint32_t)(uint8_t)(ch2) << 16)
| ((uint32_t)(uint8_t)(ch3) << 24));
}
}
DxgiFormat DxgiFormatFromRhiFormat(const RHI::Format format)
{
switch (format)
{
case RHI::Format::R32G32B32A32_FLOAT:
return DxgiFormat::R32G32B32A32_FLOAT;
case RHI::Format::R32G32B32A32_UINT:
return DxgiFormat::R32G32B32A32_UINT;
case RHI::Format::R32G32B32A32_SINT:
return DxgiFormat::R32G32B32A32_SINT;
case RHI::Format::R32G32B32_FLOAT:
return DxgiFormat::R32G32B32_FLOAT;
case RHI::Format::R32G32B32_UINT:
return DxgiFormat::R32G32B32_UINT;
case RHI::Format::R32G32B32_SINT:
return DxgiFormat::R32G32B32_SINT;
case RHI::Format::R16G16B16A16_FLOAT:
return DxgiFormat::R16G16B16A16_FLOAT;
case RHI::Format::R16G16B16A16_UNORM:
return DxgiFormat::R16G16B16A16_UNORM;
case RHI::Format::R16G16B16A16_UINT:
return DxgiFormat::R16G16B16A16_UINT;
case RHI::Format::R16G16B16A16_SNORM:
return DxgiFormat::R16G16B16A16_SNORM;
case RHI::Format::R16G16B16A16_SINT:
return DxgiFormat::R16G16B16A16_SINT;
case RHI::Format::R32G32_FLOAT:
return DxgiFormat::R32G32_FLOAT;
case RHI::Format::R32G32_UINT:
return DxgiFormat::R32G32_UINT;
case RHI::Format::R32G32_SINT:
return DxgiFormat::R32G32_SINT;
case RHI::Format::D32_FLOAT_S8X24_UINT:
return DxgiFormat::D32_FLOAT_S8X24_UINT;
case RHI::Format::R10G10B10A2_UNORM:
return DxgiFormat::R10G10B10A2_UNORM;
case RHI::Format::R10G10B10A2_UINT:
return DxgiFormat::R10G10B10A2_UINT;
case RHI::Format::R11G11B10_FLOAT:
return DxgiFormat::R11G11B10_FLOAT;
case RHI::Format::R8G8B8A8_UNORM:
return DxgiFormat::R8G8B8A8_UNORM;
case RHI::Format::R8G8B8A8_UNORM_SRGB:
return DxgiFormat::R8G8B8A8_UNORM_SRGB;
case RHI::Format::R8G8B8A8_UINT:
return DxgiFormat::R8G8B8A8_UINT;
case RHI::Format::R8G8B8A8_SNORM:
return DxgiFormat::R8G8B8A8_SNORM;
case RHI::Format::R8G8B8A8_SINT:
return DxgiFormat::R8G8B8A8_SINT;
case RHI::Format::R16G16_FLOAT:
return DxgiFormat::R16G16_FLOAT;
case RHI::Format::R16G16_UNORM:
return DxgiFormat::R16G16_UNORM;
case RHI::Format::R16G16_UINT:
return DxgiFormat::R16G16_UINT;
case RHI::Format::R16G16_SNORM:
return DxgiFormat::R16G16_SNORM;
case RHI::Format::R16G16_SINT:
return DxgiFormat::R16G16_SINT;
case RHI::Format::D32_FLOAT:
return DxgiFormat::D32_FLOAT;
case RHI::Format::R32_FLOAT:
return DxgiFormat::R32_FLOAT;
case RHI::Format::R32_UINT:
return DxgiFormat::R32_UINT;
case RHI::Format::R32_SINT:
return DxgiFormat::R32_SINT;
case RHI::Format::D24_UNORM_S8_UINT:
return DxgiFormat::D24_UNORM_S8_UINT;
case RHI::Format::R8G8_UNORM:
return DxgiFormat::R8G8_UNORM;
case RHI::Format::R8G8_UINT:
return DxgiFormat::R8G8_UINT;
case RHI::Format::R8G8_SNORM:
return DxgiFormat::R8G8_SNORM;
case RHI::Format::R8G8_SINT:
return DxgiFormat::R8G8_SINT;
case RHI::Format::R16_FLOAT:
return DxgiFormat::R16_FLOAT;
case RHI::Format::D16_UNORM:
return DxgiFormat::D16_UNORM;
case RHI::Format::R16_UNORM:
return DxgiFormat::R16_UNORM;
case RHI::Format::R16_UINT:
return DxgiFormat::R16_UINT;
case RHI::Format::R16_SNORM:
return DxgiFormat::R16_SNORM;
case RHI::Format::R16_SINT:
return DxgiFormat::R16_SINT;
case RHI::Format::R8_UNORM:
return DxgiFormat::R8_UNORM;
case RHI::Format::R8_UINT:
return DxgiFormat::R8_UINT;
case RHI::Format::R8_SNORM:
return DxgiFormat::R8_SNORM;
case RHI::Format::R8_SINT:
return DxgiFormat::R8_SINT;
case RHI::Format::A8_UNORM:
return DxgiFormat::A8_UNORM;
case RHI::Format::R1_UNORM:
return DxgiFormat::R1_UNORM;
case RHI::Format::R9G9B9E5_SHAREDEXP:
return DxgiFormat::R9G9B9E5_SHAREDEXP;
case RHI::Format::R8G8_B8G8_UNORM:
return DxgiFormat::R8G8_B8G8_UNORM;
case RHI::Format::G8R8_G8B8_UNORM:
return DxgiFormat::G8R8_G8B8_UNORM;
case RHI::Format::BC1_UNORM:
return DxgiFormat::BC1_UNORM;
case RHI::Format::BC1_UNORM_SRGB:
return DxgiFormat::BC1_UNORM_SRGB;
case RHI::Format::BC2_UNORM:
return DxgiFormat::BC2_UNORM;
case RHI::Format::BC2_UNORM_SRGB:
return DxgiFormat::BC2_UNORM_SRGB;
case RHI::Format::BC3_UNORM:
return DxgiFormat::BC3_UNORM;
case RHI::Format::BC3_UNORM_SRGB:
return DxgiFormat::BC3_UNORM_SRGB;
case RHI::Format::BC4_UNORM:
return DxgiFormat::BC4_UNORM;
case RHI::Format::BC4_SNORM:
return DxgiFormat::BC4_SNORM;
case RHI::Format::BC5_UNORM:
return DxgiFormat::BC5_UNORM;
case RHI::Format::BC5_SNORM:
return DxgiFormat::BC5_SNORM;
case RHI::Format::B5G6R5_UNORM:
return DxgiFormat::B5G6R5_UNORM;
case RHI::Format::B5G5R5A1_UNORM:
return DxgiFormat::B5G5R5A1_UNORM;
case RHI::Format::B8G8R8A8_UNORM:
return DxgiFormat::B8G8R8A8_UNORM;
case RHI::Format::B8G8R8X8_UNORM:
return DxgiFormat::B8G8R8X8_UNORM;
case RHI::Format::R10G10B10_XR_BIAS_A2_UNORM:
return DxgiFormat::R10G10B10_XR_BIAS_A2_UNORM;
case RHI::Format::B8G8R8A8_UNORM_SRGB:
return DxgiFormat::B8G8R8A8_UNORM_SRGB;
case RHI::Format::B8G8R8X8_UNORM_SRGB:
return DxgiFormat::B8G8R8X8_UNORM_SRGB;
case RHI::Format::BC6H_UF16:
return DxgiFormat::BC6H_UF16;
case RHI::Format::BC6H_SF16:
return DxgiFormat::BC6H_SF16;
case RHI::Format::BC7_UNORM:
return DxgiFormat::BC7_UNORM;
case RHI::Format::BC7_UNORM_SRGB:
return DxgiFormat::BC7_UNORM_SRGB;
case RHI::Format::AYUV:
return DxgiFormat::AYUV;
case RHI::Format::Y410:
return DxgiFormat::Y410;
case RHI::Format::Y416:
return DxgiFormat::Y416;
case RHI::Format::NV12:
return DxgiFormat::NV12;
case RHI::Format::P010:
return DxgiFormat::P010;
case RHI::Format::P016:
return DxgiFormat::P016;
case RHI::Format::YUY2:
return DxgiFormat::YUY2;
case RHI::Format::Y210:
return DxgiFormat::Y210;
case RHI::Format::Y216:
return DxgiFormat::Y216;
case RHI::Format::NV11:
return DxgiFormat::NV11;
case RHI::Format::AI44:
return DxgiFormat::AI44;
case RHI::Format::IA44:
return DxgiFormat::IA44;
case RHI::Format::P8:
return DxgiFormat::P8;
case RHI::Format::A8P8:
return DxgiFormat::A8P8;
case RHI::Format::B4G4R4A4_UNORM:
return DxgiFormat::B4G4R4A4_UNORM;
case RHI::Format::R10G10B10_7E3_A2_FLOAT:
return DxgiFormat::R10G10B10_7E3_A2_FLOAT;
case RHI::Format::R10G10B10_6E4_A2_FLOAT:
return DxgiFormat::R10G10B10_6E4_A2_FLOAT;
case RHI::Format::D16_UNORM_S8_UINT:
return DxgiFormat::D16_UNORM_S8_UINT;
case RHI::Format::X16_TYPELESS_G8_UINT:
return DxgiFormat::X16_TYPELESS_G8_UINT;
case RHI::Format::P208:
return DxgiFormat::P208;
case RHI::Format::V208:
return DxgiFormat::V208;
case RHI::Format::V408:
return DxgiFormat::V408;
case RHI::Format::EAC_R11_UNORM:
case RHI::Format::EAC_R11_SNORM:
case RHI::Format::EAC_RG11_UNORM:
case RHI::Format::EAC_RG11_SNORM:
case RHI::Format::ETC2_UNORM:
case RHI::Format::ETC2_UNORM_SRGB:
case RHI::Format::ETC2A_UNORM:
case RHI::Format::ETC2A_UNORM_SRGB:
case RHI::Format::ETC2A1_UNORM:
case RHI::Format::ETC2A1_UNORM_SRGB:
return DxgiFormat::UNKNOWN; // Not supported by dds
case RHI::Format::PVRTC2_UNORM:
case RHI::Format::PVRTC2_UNORM_SRGB:
case RHI::Format::PVRTC4_UNORM:
case RHI::Format::PVRTC4_UNORM_SRGB:
return DxgiFormat::UNKNOWN; // Not supported by dds
case RHI::Format::ASTC_4x4_UNORM:
case RHI::Format::ASTC_4x4_UNORM_SRGB:
case RHI::Format::ASTC_5x4_UNORM:
case RHI::Format::ASTC_5x4_UNORM_SRGB:
case RHI::Format::ASTC_5x5_UNORM:
case RHI::Format::ASTC_5x5_UNORM_SRGB:
case RHI::Format::ASTC_6x5_UNORM:
case RHI::Format::ASTC_6x5_UNORM_SRGB:
case RHI::Format::ASTC_6x6_UNORM:
case RHI::Format::ASTC_6x6_UNORM_SRGB:
case RHI::Format::ASTC_8x5_UNORM:
case RHI::Format::ASTC_8x5_UNORM_SRGB:
case RHI::Format::ASTC_8x6_UNORM:
case RHI::Format::ASTC_8x6_UNORM_SRGB:
case RHI::Format::ASTC_8x8_UNORM:
case RHI::Format::ASTC_8x8_UNORM_SRGB:
case RHI::Format::ASTC_10x5_UNORM:
case RHI::Format::ASTC_10x5_UNORM_SRGB:
case RHI::Format::ASTC_10x6_UNORM:
case RHI::Format::ASTC_10x6_UNORM_SRGB:
case RHI::Format::ASTC_10x8_UNORM:
case RHI::Format::ASTC_10x8_UNORM_SRGB:
case RHI::Format::ASTC_10x10_UNORM:
case RHI::Format::ASTC_10x10_UNORM_SRGB:
case RHI::Format::ASTC_12x10_UNORM:
case RHI::Format::ASTC_12x10_UNORM_SRGB:
case RHI::Format::ASTC_12x12_UNORM:
case RHI::Format::ASTC_12x12_UNORM_SRGB:
return DxgiFormat::UNKNOWN; // Not supported by dds
default:
return DxgiFormat::UNKNOWN;
}
}
DdsFlags PitchOrLinearSizeFromFormat(const RHI::Format format)
{
switch (format)
{
case RHI::Format::R32G32B32A32_FLOAT:
case RHI::Format::R32G32B32A32_UINT:
case RHI::Format::R32G32B32A32_SINT:
case RHI::Format::R32G32B32_FLOAT:
case RHI::Format::R32G32B32_UINT:
case RHI::Format::R32G32B32_SINT:
case RHI::Format::R16G16B16A16_FLOAT:
case RHI::Format::R16G16B16A16_UNORM:
case RHI::Format::R16G16B16A16_UINT:
case RHI::Format::R16G16B16A16_SNORM:
case RHI::Format::R16G16B16A16_SINT:
case RHI::Format::R32G32_FLOAT:
case RHI::Format::R32G32_UINT:
case RHI::Format::R32G32_SINT:
case RHI::Format::D32_FLOAT_S8X24_UINT:
case RHI::Format::R10G10B10A2_UNORM:
case RHI::Format::R10G10B10A2_UINT:
case RHI::Format::R11G11B10_FLOAT:
case RHI::Format::R8G8B8A8_UNORM:
case RHI::Format::R8G8B8A8_UNORM_SRGB:
case RHI::Format::R8G8B8A8_UINT:
case RHI::Format::R8G8B8A8_SNORM:
case RHI::Format::R8G8B8A8_SINT:
case RHI::Format::R16G16_FLOAT:
case RHI::Format::R16G16_UNORM:
case RHI::Format::R16G16_UINT:
case RHI::Format::R16G16_SNORM:
case RHI::Format::R16G16_SINT:
case RHI::Format::D32_FLOAT:
case RHI::Format::R32_FLOAT:
case RHI::Format::R32_UINT:
case RHI::Format::R32_SINT:
case RHI::Format::D24_UNORM_S8_UINT:
case RHI::Format::R8G8_UNORM:
case RHI::Format::R8G8_UINT:
case RHI::Format::R8G8_SNORM:
case RHI::Format::R8G8_SINT:
case RHI::Format::R16_FLOAT:
case RHI::Format::D16_UNORM:
case RHI::Format::R16_UNORM:
case RHI::Format::R16_UINT:
case RHI::Format::R16_SNORM:
case RHI::Format::R16_SINT:
case RHI::Format::R8_UNORM:
case RHI::Format::R8_UINT:
case RHI::Format::R8_SNORM:
case RHI::Format::R8_SINT:
case RHI::Format::A8_UNORM:
case RHI::Format::R1_UNORM:
case RHI::Format::R9G9B9E5_SHAREDEXP:
case RHI::Format::R8G8_B8G8_UNORM:
case RHI::Format::G8R8_G8B8_UNORM:
return DdsFlags::Pitch;
case RHI::Format::BC1_UNORM:
case RHI::Format::BC1_UNORM_SRGB:
case RHI::Format::BC2_UNORM:
case RHI::Format::BC2_UNORM_SRGB:
case RHI::Format::BC3_UNORM:
case RHI::Format::BC3_UNORM_SRGB:
case RHI::Format::BC4_UNORM:
case RHI::Format::BC4_SNORM:
case RHI::Format::BC5_UNORM:
case RHI::Format::BC5_SNORM:
return DdsFlags::LinearSize;
case RHI::Format::B5G6R5_UNORM:
case RHI::Format::B5G5R5A1_UNORM:
case RHI::Format::B8G8R8A8_UNORM:
case RHI::Format::B8G8R8X8_UNORM:
case RHI::Format::R10G10B10_XR_BIAS_A2_UNORM:
case RHI::Format::B8G8R8A8_UNORM_SRGB:
case RHI::Format::B8G8R8X8_UNORM_SRGB:
return DdsFlags::Pitch;
case RHI::Format::BC6H_UF16:
case RHI::Format::BC6H_SF16:
case RHI::Format::BC7_UNORM:
case RHI::Format::BC7_UNORM_SRGB:
return DdsFlags::LinearSize;
case RHI::Format::AYUV:
case RHI::Format::Y410:
case RHI::Format::Y416:
case RHI::Format::NV12:
case RHI::Format::P010:
case RHI::Format::P016:
case RHI::Format::YUY2:
case RHI::Format::Y210:
case RHI::Format::Y216:
case RHI::Format::NV11:
case RHI::Format::AI44:
case RHI::Format::IA44:
case RHI::Format::P8:
case RHI::Format::A8P8:
case RHI::Format::B4G4R4A4_UNORM:
case RHI::Format::R10G10B10_7E3_A2_FLOAT:
case RHI::Format::R10G10B10_6E4_A2_FLOAT:
case RHI::Format::D16_UNORM_S8_UINT:
case RHI::Format::X16_TYPELESS_G8_UINT:
case RHI::Format::P208:
case RHI::Format::V208:
case RHI::Format::V408:
return DdsFlags::Pitch;
case RHI::Format::EAC_R11_UNORM:
case RHI::Format::EAC_R11_SNORM:
case RHI::Format::EAC_RG11_UNORM:
case RHI::Format::EAC_RG11_SNORM:
case RHI::Format::ETC2_UNORM:
case RHI::Format::ETC2_UNORM_SRGB:
case RHI::Format::ETC2A_UNORM:
case RHI::Format::ETC2A_UNORM_SRGB:
case RHI::Format::ETC2A1_UNORM:
case RHI::Format::ETC2A1_UNORM_SRGB:
return DdsFlags::Unknown; // Not supported by dds
case RHI::Format::PVRTC2_UNORM:
case RHI::Format::PVRTC2_UNORM_SRGB:
case RHI::Format::PVRTC4_UNORM:
case RHI::Format::PVRTC4_UNORM_SRGB:
return DdsFlags::Unknown; // Not supported by dds
case RHI::Format::ASTC_4x4_UNORM:
case RHI::Format::ASTC_4x4_UNORM_SRGB:
case RHI::Format::ASTC_5x4_UNORM:
case RHI::Format::ASTC_5x4_UNORM_SRGB:
case RHI::Format::ASTC_5x5_UNORM:
case RHI::Format::ASTC_5x5_UNORM_SRGB:
case RHI::Format::ASTC_6x5_UNORM:
case RHI::Format::ASTC_6x5_UNORM_SRGB:
case RHI::Format::ASTC_6x6_UNORM:
case RHI::Format::ASTC_6x6_UNORM_SRGB:
case RHI::Format::ASTC_8x5_UNORM:
case RHI::Format::ASTC_8x5_UNORM_SRGB:
case RHI::Format::ASTC_8x6_UNORM:
case RHI::Format::ASTC_8x6_UNORM_SRGB:
case RHI::Format::ASTC_8x8_UNORM:
case RHI::Format::ASTC_8x8_UNORM_SRGB:
case RHI::Format::ASTC_10x5_UNORM:
case RHI::Format::ASTC_10x5_UNORM_SRGB:
case RHI::Format::ASTC_10x6_UNORM:
case RHI::Format::ASTC_10x6_UNORM_SRGB:
case RHI::Format::ASTC_10x8_UNORM:
case RHI::Format::ASTC_10x8_UNORM_SRGB:
case RHI::Format::ASTC_10x10_UNORM:
case RHI::Format::ASTC_10x10_UNORM_SRGB:
case RHI::Format::ASTC_12x10_UNORM:
case RHI::Format::ASTC_12x10_UNORM_SRGB:
case RHI::Format::ASTC_12x12_UNORM:
case RHI::Format::ASTC_12x12_UNORM_SRGB:
return DdsFlags::Unknown; // Not supported by dds
default:
return DdsFlags::Unknown;
}
}
// DdsFile function definitions
DdsFile::DdsFile()
: m_magic(MakeFourCC('D', 'D', 'S'))
{
}
DdsFile::~DdsFile()
{
}
void DdsFile::SetSize(RHI::Size size)
{
m_header.m_width = size.m_width;
m_header.m_height = size.m_height;
if (size.m_depth > 1)
{
m_header.m_flags |= DdsFlags::Depth;
m_header.m_depth = size.m_depth;
}
else
{
m_header.m_flags &= ~DdsFlags::Depth;
m_header.m_depth = 1;
}
m_headerDx10.m_arraySize = 1;
if (size.m_width > 1 && size.m_height > 1 && size.m_depth > 1)
{
m_headerDx10.m_resourceDimension = static_cast<uint32_t>(ResourceDimension::Texture3D);
}
else if (size.m_width > 1 && size.m_height > 1)
{
m_headerDx10.m_resourceDimension = static_cast<uint32_t>(ResourceDimension::Texture2D);
}
else if (size.m_width > 1)
{
m_headerDx10.m_resourceDimension = static_cast<uint32_t>(ResourceDimension::Texture1D);
}
else
{
m_headerDx10.m_resourceDimension = static_cast<uint32_t>(ResourceDimension::Unknown);
}
ResolvePitch();
}
RHI::Size DdsFile::GetSize()
{
return RHI::Size(m_header.m_width, m_header.m_height, m_header.m_depth);
}
void DdsFile::SetFormat(RHI::Format format)
{
m_externalFormat = format;
m_headerDx10.m_dxgiFormat = static_cast<uint32_t>(DxgiFormatFromRhiFormat(format));
ResolvePitch();
}
RHI::Format DdsFile::GetFormat()
{
return m_externalFormat;
}
void DdsFile::SetAsCubemap()
{
m_header.m_caps |= DdsCaps::Complex;
m_header.m_caps_2 |= DdsCaps2::CubemapAll;
m_headerDx10.m_miscFlag |= Dx10MiscFlags::TextureCube;
}
void DdsFile::SetMipLevels(uint32_t mipLevels)
{
m_header.m_mipMapCount = mipLevels;
if (mipLevels > 1)
{
m_header.m_mipMapCount = mipLevels;
m_header.m_caps |= DdsCaps::Complex | DdsCaps::Mipmap;
m_header.m_flags |= DdsFlags::MipmapCount;
}
}
uint32_t DdsFile::GetMipLevels()
{
return m_header.m_mipMapCount;
}
AZ::Outcome<void, DdsFile::DdsFailure> DdsFile::WriteHeaderToStream(AZ::IO::GenericStream& stream)
{
size_t bytesWritten = 0;
bytesWritten += stream.Write(sizeof(m_magic), &m_magic);
bytesWritten += stream.Write(sizeof(m_header), &m_header);
bytesWritten += stream.Write(sizeof(m_headerDx10), &m_headerDx10);
if (bytesWritten != sizeof(m_magic) + sizeof(m_header) + sizeof(m_headerDx10))
{
DdsFailure failure;
failure.m_code = DdsFailure::Code::WriteFailed;
failure.m_message.format("Failed to write all data to the stream");
return AZ::Failure(failure);
}
return AZ::Success();
}
void DdsFile::ResolvePitch()
{
if (m_externalFormat != RHI::Format::Unknown)
{
m_header.m_flags &= ~(DdsFlags::Pitch | DdsFlags::LinearSize); // clear out the flags first.
DdsFlags pitchOrLinearSize = PitchOrLinearSizeFromFormat(m_externalFormat);
m_header.m_flags |= pitchOrLinearSize;
RHI::ImageSubresourceLayout layout = RHI::GetImageSubresourceLayout(GetSize(), m_externalFormat);
m_header.m_pitchOrLinearSize = layout.m_bytesPerRow;
}
}
AZ::Outcome<void, DdsFile::DdsFailure> DdsFile::WriteFile(const AZStd::string& filePath, const DdsFileData& ddsFiledata)
{
DdsFile ddsFile;
ddsFile.SetSize(ddsFiledata.m_size);
ddsFile.SetFormat(ddsFiledata.m_format);
if (ddsFiledata.m_isCubemap)
{
ddsFile.SetAsCubemap();
}
ddsFile.SetMipLevels(ddsFiledata.m_mipLevels);
IO::FileIOStream fileStream(filePath.c_str(), IO::OpenMode::ModeWrite| IO::OpenMode::ModeCreatePath);
if (!fileStream.IsOpen())
{
DdsFailure failure;
failure.m_code = DdsFailure::Code::OpenFileFailed;
failure.m_message.format("Failed to open \"%s\" for writing.", filePath.c_str());
return AZ::Failure(failure);
}
auto outcome = ddsFile.WriteHeaderToStream(fileStream);
size_t bytesWritten = fileStream.Write(ddsFiledata.m_buffer->size(), ddsFiledata.m_buffer->data());
if (!outcome || bytesWritten != ddsFiledata.m_buffer->size())
{
DdsFailure failure;
failure.m_code = DdsFailure::Code::WriteFailed;
failure.m_message.format("Failed to write all data to \"%s\"", filePath.c_str());
return AZ::Failure(failure);
}
return AZ::Success();
}
bool DdsFile::DoesSupportFormat(RHI::Format format)
{
return DxgiFormatFromRhiFormat(format) != DxgiFormat::UNKNOWN;
}
DdsFile::DdsPixelFormat::DdsPixelFormat()
// By default, the pixel format struct is only there to point to the dx10 header by setting the fourCC to 'DX10'
: m_fourCC(MakeFourCC('D', 'X', '1', '0'))
, m_flags(PixelFormatFlags::FourCC)
{
}
DdsFile::DdsHeader::DdsHeader()
: m_flags(DdsFlags::Caps | DdsFlags::Height | DdsFlags::Width | DdsFlags::PixelFormat) // Set flags required by the DDS spec
, m_caps(DdsCaps::Texture) // the texture flag is required by the DDS spec
{
}
}// namespace AZ
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