Legacy Formats: Map Direct3D 9 Formats to Direct3D 10
This table lists the Direct3D 9 formats that can be mapped to a Direct3D 10 format. The Direct3D 10 formats have diverged from the Direct3D 9 formats so that vertex and texture formats can be merged to enable cross-endian applications.
| Direct3D 9 Texture/Vertex/Index Format | Equivalent Direct3D 10 Format |
|---|---|
| D3DFMT_UNKNOWN | DXGI_FORMAT_UNKNOWN |
| D3DFMT_R8G8B8 | Not available |
| D3DFMT_A8R8G8B8 | DXGI_FORMAT_B8G8R8A8_UNORM (DXGI 1.1) |
| D3DFMT_X8R8G8B8 | DXGI_FORMAT_B8G8R8X8_UNORM (DXGI 1.1) |
| D3DFMT_R5G6B5 | DXGI_FORMAT_B5G6R5_UNORM (DXGI 1.2) |
| D3DFMT_X1R5G5B5 | Not available |
| D3DFMT_A1R5G5B5 | DXGI_FORMAT_B5G5R5A1_UNORM (DXGI 1.2) |
| D3DFMT_A4R4G4B4 | DXGI_FORMAT_B4G4R4A4_UNORM (DXGI 1.2) |
| D3DFMT_R3G3B2 | Not available |
| D3DFMT_A8 | DXGI_FORMAT_A8_UNORM |
| D3DFMT_A8R3G3B2 | Not available |
| D3DFMT_X4R4G4B4 | Not available |
| D3DFMT_A2B10G10R10 | DXGI_FORMAT_R10G10B10A2 |
| D3DFMT_A8B8G8R8 | DXGI_FORMAT_R8G8B8A8_UNORM or DXGI_FORMAT_R8G8B8A8_UNORM_SRGB |
| D3DFMT_X8B8G8R8 | Not available |
| D3DFMT_G16R16 | DXGI_FORMAT_R16G16_UNORM |
| D3DFMT_A2R10G10B10 | Not available |
| D3DFMT_A16B16G16R16 | DXGI_FORMAT_R16G16B16A16_UNORM |
| D3DFMT_A8P8 | Not available |
| D3DFMT_P8 | Not available |
| D3DFMT_L8 | DXGI_FORMAT_R8_UNORM ¹ |
| D3DFMT_A8L8 | Not available |
| D3DFMT_A4L4 | Not available |
| D3DFMT_V8U8 | DXGI_FORMAT_R8G8_SNORM |
| D3DFMT_L6V5U5 | Not available |
| D3DFMT_X8L8V8U8 | Not available |
| D3DFMT_Q8W8V8U8 | DXGI_FORMAT_R8G8B8A8_SNORM |
| D3DFMT_V16U16 | DXGI_FORMAT_R16G16_SNORM |
| D3DFMT_W11V11U10 | Not available |
| D3DFMT_A2W10V10U10 | Not available |
| D3DFMT_UYVY | Not available |
| D3DFMT_R8G8_B8G8 | DXGI_FORMAT_G8R8_G8B8_UNORM ² |
| D3DFMT_YUY2 | Not available |
| D3DFMT_G8R8_G8B8 | DXGI_FORMAT_R8G8_B8G8_UNORM ² |
| D3DFMT_DXT1 | DXGI_FORMAT_BC1_UNORM or DXGI_FORMAT_BC1_UNORM_SRGB |
| D3DFMT_DXT2 | DXGI_FORMAT_BC2_UNORM or DXGI_FORMAT_BC2_UNORM_SRGB ³ |
| D3DFMT_DXT3 | DXGI_FORMAT_BC2_UNORM or DXGI_FORMAT_BC2_UNORM_SRGB |
| D3DFMT_DXT4 | DXGI_FORMAT_BC3_UNORM or DXGI_FORMAT_BC3_UNORM_SRGB ³ |
| D3DFMT_DXT5 | DXGI_FORMAT_BC3_UNORM or DXGI_FORMAT_BC3_UNORM_SRGB |
| D3DFMT_D16 and D3DFMT_D16_LOCKABLE | DXGI_FORMAT_D16_UNORM |
| D3DFMT_D32 | Not available |
| D3DFMT_D15S1 | Not available |
| D3DFMT_D24S8 | Not available |
| D3DFMT_D24X8 | Not available |
| D3DFMT_D24X4S4 | Not available |
| D3DFMT_D16 | DXGI_FORMAT_D16_UNORM |
| D3DFMT_D32F_LOCKABLE | DXGI_FORMAT_D32_FLOAT |
| D3DFMT_D24FS8 | Not available |
| D3DFMT_S1D15 | Not available |
| D3DFMT_S8D24 | DXGI_FORMAT_D24_UNORM_S8_UINT |
| D3DFMT_X8D24 | Not available |
| D3DFMT_X4S4D24 | Not available |
| D3DFMT_L16 | DXGI_FORMAT_R16_UNORM ¹ |
| D3DFMT_INDEX16 | DXGI_FORMAT_R16_UINT |
| D3DFMT_INDEX32 | DXGI_FORMAT_R32_UINT |
| D3DFMT_Q16W16V16U16 | DXGI_FORMAT_R16G16B16A16_SNORM |
| D3DFMT_MULTI2_ARGB8 | Not available |
| D3DFMT_R16F | DXGI_FORMAT_R16_FLOAT |
| D3DFMT_G16R16F | DXGI_FORMAT_R16G16_FLOAT |
| D3DFMT_A16B16G16R16F | DXGI_FORMAT_R16G16B16A16_FLOAT |
| D3DFMT_R32F | DXGI_FORMAT_R32_FLOAT |
| D3DFMT_G32R32F | DXGI_FORMAT_R32G32_FLOAT |
| D3DFMT_A32B32G32R32F | DXGI_FORMAT_R32G32B32A32_FLOAT |
| D3DFMT_CxV8U8 | Not available |
| D3DDECLTYPE_FLOAT1 | DXGI_FORMAT_R32_FLOAT |
| D3DDECLTYPE_FLOAT2 | DXGI_FORMAT_R32G32_FLOAT |
| D3DDECLTYPE_FLOAT3 | DXGI_FORMAT_R32G32B32_FLOAT |
| D3DDECLTYPE_FLOAT4 | DXGI_FORMAT_R32G32B32A32_FLOAT |
| D3DDECLTYPED3DCOLOR | Not available |
| D3DDECLTYPE_UBYTE4 | DXGI_FORMAT_R8G8B8A8_UINT ⁴ |
| D3DDECLTYPE_SHORT2 | DXGI_FORMAT_R16G16_SINT |
| D3DDECLTYPE_SHORT4 | DXGI_FORMAT_R16G16B16A16_SINT |
| D3DDECLTYPE_UBYTE4N | DXGI_FORMAT_R8G8B8A8_UNORM |
| D3DDECLTYPE_SHORT2N | DXGI_FORMAT_R16G16_SNORM |
| D3DDECLTYPE_SHORT4N | DXGI_FORMAT_R16G16B16A16_SNORM |
| D3DDECLTYPE_USHORT2N | DXGI_FORMAT_R16G16_UNORM |
| D3DDECLTYPE_USHORT4N | DXGI_FORMAT_R16G16B16A16_UNORM |
| D3DDECLTYPE_UDEC3 | Not available |
| D3DDECLTYPE_DEC3N | Not available |
| D3DDECLTYPE_FLOAT16_2 | DXGI_FORMAT_R16G16_FLOAT |
| D3DDECLTYPE_FLOAT16_4 | DXGI_FORMAT_R16G16B16A16_FLOAT |
- Use .r swizzle in a shader to duplicate red to other components to get Direct3D 9 behavior.
- In Direct3D 9, the data was scaled up by 255.0f which can be done in shader code instead.
- DXT2 and DXT3 are the same from an API perspective; DXT4 and DXT5 are the same from an API perspective. The only difference was premultiplied alpha, which can be tracked by an application and does not need a separate format.
- A shader gets UINT values, but if Direct3D 9 style integral floats (0.0f, 1.0f... 255.f) are needed, UINT can be converted to float32 in a shader.
Related topics