Ryujinx/Ryujinx.Graphics.GAL/Format.cs
gdkchan f906eb06c2
Implement a software ETC2 texture decoder (#4121)
* Implement a software ETC2 texture decoder

* Fix output size calculation for non-2D textures

* Address PR feedback
2022-12-21 20:39:58 -03:00

646 lines
21 KiB
C#

namespace Ryujinx.Graphics.GAL
{
public enum Format
{
R8Unorm,
R8Snorm,
R8Uint,
R8Sint,
R16Float,
R16Unorm,
R16Snorm,
R16Uint,
R16Sint,
R32Float,
R32Uint,
R32Sint,
R8G8Unorm,
R8G8Snorm,
R8G8Uint,
R8G8Sint,
R16G16Float,
R16G16Unorm,
R16G16Snorm,
R16G16Uint,
R16G16Sint,
R32G32Float,
R32G32Uint,
R32G32Sint,
R8G8B8Unorm,
R8G8B8Snorm,
R8G8B8Uint,
R8G8B8Sint,
R16G16B16Float,
R16G16B16Unorm,
R16G16B16Snorm,
R16G16B16Uint,
R16G16B16Sint,
R32G32B32Float,
R32G32B32Uint,
R32G32B32Sint,
R8G8B8A8Unorm,
R8G8B8A8Snorm,
R8G8B8A8Uint,
R8G8B8A8Sint,
R16G16B16A16Float,
R16G16B16A16Unorm,
R16G16B16A16Snorm,
R16G16B16A16Uint,
R16G16B16A16Sint,
R32G32B32A32Float,
R32G32B32A32Uint,
R32G32B32A32Sint,
S8Uint,
D16Unorm,
S8UintD24Unorm,
D32Float,
D24UnormS8Uint,
D32FloatS8Uint,
R8G8B8A8Srgb,
R4G4Unorm,
R4G4B4A4Unorm,
R5G5B5X1Unorm,
R5G5B5A1Unorm,
R5G6B5Unorm,
R10G10B10A2Unorm,
R10G10B10A2Uint,
R11G11B10Float,
R9G9B9E5Float,
Bc1RgbaUnorm,
Bc2Unorm,
Bc3Unorm,
Bc1RgbaSrgb,
Bc2Srgb,
Bc3Srgb,
Bc4Unorm,
Bc4Snorm,
Bc5Unorm,
Bc5Snorm,
Bc7Unorm,
Bc7Srgb,
Bc6HSfloat,
Bc6HUfloat,
Etc2RgbUnorm,
Etc2RgbaUnorm,
Etc2RgbPtaUnorm,
Etc2RgbSrgb,
Etc2RgbaSrgb,
Etc2RgbPtaSrgb,
R8Uscaled,
R8Sscaled,
R16Uscaled,
R16Sscaled,
R32Uscaled,
R32Sscaled,
R8G8Uscaled,
R8G8Sscaled,
R16G16Uscaled,
R16G16Sscaled,
R32G32Uscaled,
R32G32Sscaled,
R8G8B8Uscaled,
R8G8B8Sscaled,
R16G16B16Uscaled,
R16G16B16Sscaled,
R32G32B32Uscaled,
R32G32B32Sscaled,
R8G8B8A8Uscaled,
R8G8B8A8Sscaled,
R16G16B16A16Uscaled,
R16G16B16A16Sscaled,
R32G32B32A32Uscaled,
R32G32B32A32Sscaled,
R10G10B10A2Snorm,
R10G10B10A2Sint,
R10G10B10A2Uscaled,
R10G10B10A2Sscaled,
Astc4x4Unorm,
Astc5x4Unorm,
Astc5x5Unorm,
Astc6x5Unorm,
Astc6x6Unorm,
Astc8x5Unorm,
Astc8x6Unorm,
Astc8x8Unorm,
Astc10x5Unorm,
Astc10x6Unorm,
Astc10x8Unorm,
Astc10x10Unorm,
Astc12x10Unorm,
Astc12x12Unorm,
Astc4x4Srgb,
Astc5x4Srgb,
Astc5x5Srgb,
Astc6x5Srgb,
Astc6x6Srgb,
Astc8x5Srgb,
Astc8x6Srgb,
Astc8x8Srgb,
Astc10x5Srgb,
Astc10x6Srgb,
Astc10x8Srgb,
Astc10x10Srgb,
Astc12x10Srgb,
Astc12x12Srgb,
B5G6R5Unorm,
B5G5R5A1Unorm,
A1B5G5R5Unorm,
B8G8R8A8Unorm,
B8G8R8A8Srgb
}
public static class FormatExtensions
{
/// <summary>
/// The largest scalar size for a buffer format.
/// </summary>
public const int MaxBufferFormatScalarSize = 4;
/// <summary>
/// Gets the byte size for a single component of this format, or its packed size.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>Byte size for a single component, or packed size</returns>
public static int GetScalarSize(this Format format)
{
switch (format)
{
case Format.R8Unorm:
case Format.R8Snorm:
case Format.R8Uint:
case Format.R8Sint:
case Format.R8G8Unorm:
case Format.R8G8Snorm:
case Format.R8G8Uint:
case Format.R8G8Sint:
case Format.R8G8B8Unorm:
case Format.R8G8B8Snorm:
case Format.R8G8B8Uint:
case Format.R8G8B8Sint:
case Format.R8G8B8A8Unorm:
case Format.R8G8B8A8Snorm:
case Format.R8G8B8A8Uint:
case Format.R8G8B8A8Sint:
case Format.R8G8B8A8Srgb:
case Format.R4G4Unorm:
case Format.R8Uscaled:
case Format.R8Sscaled:
case Format.R8G8Uscaled:
case Format.R8G8Sscaled:
case Format.R8G8B8Uscaled:
case Format.R8G8B8Sscaled:
case Format.R8G8B8A8Uscaled:
case Format.R8G8B8A8Sscaled:
case Format.B8G8R8A8Unorm:
case Format.B8G8R8A8Srgb:
return 1;
case Format.R16Float:
case Format.R16Unorm:
case Format.R16Snorm:
case Format.R16Uint:
case Format.R16Sint:
case Format.R16G16Float:
case Format.R16G16Unorm:
case Format.R16G16Snorm:
case Format.R16G16Uint:
case Format.R16G16Sint:
case Format.R16G16B16Float:
case Format.R16G16B16Unorm:
case Format.R16G16B16Snorm:
case Format.R16G16B16Uint:
case Format.R16G16B16Sint:
case Format.R16G16B16A16Float:
case Format.R16G16B16A16Unorm:
case Format.R16G16B16A16Snorm:
case Format.R16G16B16A16Uint:
case Format.R16G16B16A16Sint:
case Format.R4G4B4A4Unorm:
case Format.R5G5B5X1Unorm:
case Format.R5G5B5A1Unorm:
case Format.R5G6B5Unorm:
case Format.R16Uscaled:
case Format.R16Sscaled:
case Format.R16G16Uscaled:
case Format.R16G16Sscaled:
case Format.R16G16B16Uscaled:
case Format.R16G16B16Sscaled:
case Format.R16G16B16A16Uscaled:
case Format.R16G16B16A16Sscaled:
case Format.B5G6R5Unorm:
case Format.B5G5R5A1Unorm:
case Format.A1B5G5R5Unorm:
return 2;
case Format.R32Float:
case Format.R32Uint:
case Format.R32Sint:
case Format.R32G32Float:
case Format.R32G32Uint:
case Format.R32G32Sint:
case Format.R32G32B32Float:
case Format.R32G32B32Uint:
case Format.R32G32B32Sint:
case Format.R32G32B32A32Float:
case Format.R32G32B32A32Uint:
case Format.R32G32B32A32Sint:
case Format.R10G10B10A2Unorm:
case Format.R10G10B10A2Uint:
case Format.R11G11B10Float:
case Format.R9G9B9E5Float:
case Format.R32Uscaled:
case Format.R32Sscaled:
case Format.R32G32Uscaled:
case Format.R32G32Sscaled:
case Format.R32G32B32Uscaled:
case Format.R32G32B32Sscaled:
case Format.R32G32B32A32Uscaled:
case Format.R32G32B32A32Sscaled:
case Format.R10G10B10A2Snorm:
case Format.R10G10B10A2Sint:
case Format.R10G10B10A2Uscaled:
case Format.R10G10B10A2Sscaled:
return 4;
case Format.S8Uint:
return 1;
case Format.D16Unorm:
return 2;
case Format.S8UintD24Unorm:
case Format.D32Float:
case Format.D24UnormS8Uint:
return 4;
case Format.D32FloatS8Uint:
return 8;
case Format.Bc1RgbaUnorm:
case Format.Bc1RgbaSrgb:
return 8;
case Format.Bc2Unorm:
case Format.Bc3Unorm:
case Format.Bc2Srgb:
case Format.Bc3Srgb:
case Format.Bc4Unorm:
case Format.Bc4Snorm:
case Format.Bc5Unorm:
case Format.Bc5Snorm:
case Format.Bc7Unorm:
case Format.Bc7Srgb:
case Format.Bc6HSfloat:
case Format.Bc6HUfloat:
return 16;
case Format.Etc2RgbUnorm:
case Format.Etc2RgbPtaUnorm:
case Format.Etc2RgbSrgb:
case Format.Etc2RgbPtaSrgb:
return 8;
case Format.Etc2RgbaUnorm:
case Format.Etc2RgbaSrgb:
return 16;
case Format.Astc4x4Unorm:
case Format.Astc5x4Unorm:
case Format.Astc5x5Unorm:
case Format.Astc6x5Unorm:
case Format.Astc6x6Unorm:
case Format.Astc8x5Unorm:
case Format.Astc8x6Unorm:
case Format.Astc8x8Unorm:
case Format.Astc10x5Unorm:
case Format.Astc10x6Unorm:
case Format.Astc10x8Unorm:
case Format.Astc10x10Unorm:
case Format.Astc12x10Unorm:
case Format.Astc12x12Unorm:
case Format.Astc4x4Srgb:
case Format.Astc5x4Srgb:
case Format.Astc5x5Srgb:
case Format.Astc6x5Srgb:
case Format.Astc6x6Srgb:
case Format.Astc8x5Srgb:
case Format.Astc8x6Srgb:
case Format.Astc8x8Srgb:
case Format.Astc10x5Srgb:
case Format.Astc10x6Srgb:
case Format.Astc10x8Srgb:
case Format.Astc10x10Srgb:
case Format.Astc12x10Srgb:
case Format.Astc12x12Srgb:
return 16;
}
return 1;
}
/// <summary>
/// Checks if the texture format is valid to use as image format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture can be used as image, false otherwise</returns>
public static bool IsImageCompatible(this Format format)
{
switch (format)
{
case Format.R8Unorm:
case Format.R8Snorm:
case Format.R8Uint:
case Format.R8Sint:
case Format.R16Float:
case Format.R16Unorm:
case Format.R16Snorm:
case Format.R16Uint:
case Format.R16Sint:
case Format.R32Float:
case Format.R32Uint:
case Format.R32Sint:
case Format.R8G8Unorm:
case Format.R8G8Snorm:
case Format.R8G8Uint:
case Format.R8G8Sint:
case Format.R16G16Float:
case Format.R16G16Unorm:
case Format.R16G16Snorm:
case Format.R16G16Uint:
case Format.R16G16Sint:
case Format.R32G32Float:
case Format.R32G32Uint:
case Format.R32G32Sint:
case Format.R8G8B8A8Unorm:
case Format.R8G8B8A8Snorm:
case Format.R8G8B8A8Uint:
case Format.R8G8B8A8Sint:
case Format.R16G16B16A16Float:
case Format.R16G16B16A16Unorm:
case Format.R16G16B16A16Snorm:
case Format.R16G16B16A16Uint:
case Format.R16G16B16A16Sint:
case Format.R32G32B32A32Float:
case Format.R32G32B32A32Uint:
case Format.R32G32B32A32Sint:
case Format.R10G10B10A2Unorm:
case Format.R10G10B10A2Uint:
case Format.R11G11B10Float:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is valid to use as render target color format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture can be used as render target, false otherwise</returns>
public static bool IsRtColorCompatible(this Format format)
{
switch (format)
{
case Format.R32G32B32A32Float:
case Format.R32G32B32A32Sint:
case Format.R32G32B32A32Uint:
case Format.R16G16B16A16Unorm:
case Format.R16G16B16A16Snorm:
case Format.R16G16B16A16Sint:
case Format.R16G16B16A16Uint:
case Format.R16G16B16A16Float:
case Format.R32G32Float:
case Format.R32G32Sint:
case Format.R32G32Uint:
case Format.B8G8R8A8Unorm:
case Format.B8G8R8A8Srgb:
case Format.R10G10B10A2Unorm:
case Format.R10G10B10A2Uint:
case Format.R8G8B8A8Unorm:
case Format.R8G8B8A8Srgb:
case Format.R8G8B8A8Snorm:
case Format.R8G8B8A8Sint:
case Format.R8G8B8A8Uint:
case Format.R16G16Unorm:
case Format.R16G16Snorm:
case Format.R16G16Sint:
case Format.R16G16Uint:
case Format.R16G16Float:
case Format.R11G11B10Float:
case Format.R32Sint:
case Format.R32Uint:
case Format.R32Float:
case Format.B5G6R5Unorm:
case Format.B5G5R5A1Unorm:
case Format.R8G8Unorm:
case Format.R8G8Snorm:
case Format.R8G8Sint:
case Format.R8G8Uint:
case Format.R16Unorm:
case Format.R16Snorm:
case Format.R16Sint:
case Format.R16Uint:
case Format.R16Float:
case Format.R8Unorm:
case Format.R8Snorm:
case Format.R8Sint:
case Format.R8Uint:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is an ASTC format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is an ASTC format, false otherwise</returns>
public static bool IsAstc(this Format format)
{
return format.IsAstcUnorm() || format.IsAstcSrgb();
}
/// <summary>
/// Checks if the texture format is an ASTC Unorm format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is an ASTC Unorm format, false otherwise</returns>
public static bool IsAstcUnorm(this Format format)
{
switch (format)
{
case Format.Astc4x4Unorm:
case Format.Astc5x4Unorm:
case Format.Astc5x5Unorm:
case Format.Astc6x5Unorm:
case Format.Astc6x6Unorm:
case Format.Astc8x5Unorm:
case Format.Astc8x6Unorm:
case Format.Astc8x8Unorm:
case Format.Astc10x5Unorm:
case Format.Astc10x6Unorm:
case Format.Astc10x8Unorm:
case Format.Astc10x10Unorm:
case Format.Astc12x10Unorm:
case Format.Astc12x12Unorm:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is an ASTC SRGB format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is an ASTC SRGB format, false otherwise</returns>
public static bool IsAstcSrgb(this Format format)
{
switch (format)
{
case Format.Astc4x4Srgb:
case Format.Astc5x4Srgb:
case Format.Astc5x5Srgb:
case Format.Astc6x5Srgb:
case Format.Astc6x6Srgb:
case Format.Astc8x5Srgb:
case Format.Astc8x6Srgb:
case Format.Astc8x8Srgb:
case Format.Astc10x5Srgb:
case Format.Astc10x6Srgb:
case Format.Astc10x8Srgb:
case Format.Astc10x10Srgb:
case Format.Astc12x10Srgb:
case Format.Astc12x12Srgb:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is an ETC2 format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is an ETC2 format, false otherwise</returns>
public static bool IsEtc2(this Format format)
{
switch (format)
{
case Format.Etc2RgbaSrgb:
case Format.Etc2RgbaUnorm:
case Format.Etc2RgbPtaSrgb:
case Format.Etc2RgbPtaUnorm:
case Format.Etc2RgbSrgb:
case Format.Etc2RgbUnorm:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is a BGR format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is a BGR format, false otherwise</returns>
public static bool IsBgr(this Format format)
{
switch (format)
{
case Format.B5G6R5Unorm:
case Format.B5G5R5A1Unorm:
case Format.B8G8R8A8Unorm:
case Format.B8G8R8A8Srgb:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is a depth, stencil or depth-stencil format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the format is a depth, stencil or depth-stencil format, false otherwise</returns>
public static bool IsDepthOrStencil(this Format format)
{
switch (format)
{
case Format.D16Unorm:
case Format.D24UnormS8Uint:
case Format.S8UintD24Unorm:
case Format.D32Float:
case Format.D32FloatS8Uint:
case Format.S8Uint:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is an unsigned integer color format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is an unsigned integer color format, false otherwise</returns>
public static bool IsUint(this Format format)
{
switch (format)
{
case Format.R8Uint:
case Format.R16Uint:
case Format.R32Uint:
case Format.R8G8Uint:
case Format.R16G16Uint:
case Format.R32G32Uint:
case Format.R8G8B8Uint:
case Format.R16G16B16Uint:
case Format.R32G32B32Uint:
case Format.R8G8B8A8Uint:
case Format.R16G16B16A16Uint:
case Format.R32G32B32A32Uint:
case Format.R10G10B10A2Uint:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is a signed integer color format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is a signed integer color format, false otherwise</returns>
public static bool IsSint(this Format format)
{
switch (format)
{
case Format.R8Sint:
case Format.R16Sint:
case Format.R32Sint:
case Format.R8G8Sint:
case Format.R16G16Sint:
case Format.R32G32Sint:
case Format.R8G8B8Sint:
case Format.R16G16B16Sint:
case Format.R32G32B32Sint:
case Format.R8G8B8A8Sint:
case Format.R16G16B16A16Sint:
case Format.R32G32B32A32Sint:
case Format.R10G10B10A2Sint:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is an integer color format.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is an integer color format, false otherwise</returns>
public static bool IsInteger(this Format format)
{
return format.IsUint() || format.IsSint();
}
}
}