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GPU: Add fallback when 16-bit formats are not supported (#4108)

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* Add conversion for 16 bit RGBA formats (not supported in Rosetta)

* Rebase fix

Rebase fix

* Forgot to remove this

* Fix RGBA16 format conversion

* Add RGBA4 -> RGBA8 conversion

* Handle host stride alignment

* Address Feedback Part 1

* Can't count

* Don't zero out rgb when alpha is 0

* Separate RGBA4 and 5-bit component formats

Not sure of a better way to name them...

* Add A1B5G5R5 conversion

* Put this in the right place.

* Make format naming consistent for capabilities

* Change method names
This commit is contained in:
riperiperi 2022-12-26 18:50:27 +00:00 committed by GitHub
parent c963b3c804
commit 470be03c2f
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 291 additions and 20 deletions
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6
Ryujinx.Graphics.GAL/Capabilities.cs
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@ -18,7 +18,9 @@ namespace Ryujinx.Graphics.GAL
public readonly bool Supports3DTextureCompression;
public readonly bool SupportsBgraFormat;
public readonly bool SupportsR4G4Format;
public readonly bool SupportsR4G4B4A4Format;
public readonly bool SupportsSnormBufferTextureFormat;
public readonly bool Supports5BitComponentFormat;
public readonly bool SupportsFragmentShaderInterlock;
public readonly bool SupportsFragmentShaderOrderingIntel;
public readonly bool SupportsGeometryShaderPassthrough;
@ -55,7 +57,9 @@ namespace Ryujinx.Graphics.GAL
bool supports3DTextureCompression,
bool supportsBgraFormat,
bool supportsR4G4Format,
bool supportsR4G4B4A4Format,
bool supportsSnormBufferTextureFormat,
bool supports5BitComponentFormat,
bool supportsFragmentShaderInterlock,
bool supportsFragmentShaderOrderingIntel,
bool supportsGeometryShaderPassthrough,
@ -89,7 +93,9 @@ namespace Ryujinx.Graphics.GAL
Supports3DTextureCompression = supports3DTextureCompression;
SupportsBgraFormat = supportsBgraFormat;
SupportsR4G4Format = supportsR4G4Format;
SupportsR4G4B4A4Format = supportsR4G4B4A4Format;
SupportsSnormBufferTextureFormat = supportsSnormBufferTextureFormat;
Supports5BitComponentFormat = supports5BitComponentFormat;
SupportsFragmentShaderInterlock = supportsFragmentShaderInterlock;
SupportsFragmentShaderOrderingIntel = supportsFragmentShaderOrderingIntel;
SupportsGeometryShaderPassthrough = supportsGeometryShaderPassthrough;

21
Ryujinx.Graphics.GAL/Format.cs
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@ -448,6 +448,27 @@ namespace Ryujinx.Graphics.GAL
return false;
}
/// <summary>
/// Checks if the texture format is 16 bit packed.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is 16 bit packed, false otherwise</returns>
public static bool Is16BitPacked(this Format format)
{
switch (format)
{
case Format.B5G6R5Unorm:
case Format.B5G5R5A1Unorm:
case Format.R5G5B5X1Unorm:
case Format.R5G5B5A1Unorm:
case Format.R5G6B5Unorm:
case Format.R4G4B4A4Unorm:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is an ASTC format.
/// </summary>

35
Ryujinx.Graphics.Gpu/Image/Texture.cs
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@ -911,7 +911,40 @@ namespace Ryujinx.Graphics.Gpu.Image
}
else if (!_context.Capabilities.SupportsR4G4Format && Format == Format.R4G4Unorm)
{
result = PixelConverter.ConvertR4G4ToR4G4B4A4(result);
result = PixelConverter.ConvertR4G4ToR4G4B4A4(result, width);
if (!_context.Capabilities.SupportsR4G4B4A4Format)
{
result = PixelConverter.ConvertR4G4B4A4ToR8G8B8A8(result, width);
}
}
else if (Format == Format.R4G4B4A4Unorm)
{
if (!_context.Capabilities.SupportsR4G4B4A4Format)
{
result = PixelConverter.ConvertR4G4B4A4ToR8G8B8A8(result, width);
}
}
else if (!_context.Capabilities.Supports5BitComponentFormat && Format.Is16BitPacked())
{
switch (Format)
{
case Format.B5G6R5Unorm:
case Format.R5G6B5Unorm:
result = PixelConverter.ConvertR5G6B5ToR8G8B8A8(result, width);
break;
case Format.B5G5R5A1Unorm:
case Format.R5G5B5X1Unorm:
case Format.R5G5B5A1Unorm:
result = PixelConverter.ConvertR5G5B5ToR8G8B8A8(result, width, Format == Format.R5G5B5X1Unorm);
break;
case Format.A1B5G5R5Unorm:
result = PixelConverter.ConvertA1B5G5R5ToR8G8B8A8(result, width);
break;
case Format.R4G4B4A4Unorm:
result = PixelConverter.ConvertR4G4B4A4ToR8G8B8A8(result, width);
break;
}
}
return result;

21
Ryujinx.Graphics.Gpu/Image/TextureCompatibility.cs
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@ -132,7 +132,26 @@ namespace Ryujinx.Graphics.Gpu.Image
if (!caps.SupportsR4G4Format && info.FormatInfo.Format == Format.R4G4Unorm)
{
return new FormatInfo(Format.R4G4B4A4Unorm, 1, 1, 2, 4);
if (caps.SupportsR4G4B4A4Format)
{
return new FormatInfo(Format.R4G4B4A4Unorm, 1, 1, 2, 4);
}
else
{
return new FormatInfo(Format.R8G8B8A8Unorm, 1, 1, 4, 4);
}
}
if (info.FormatInfo.Format == Format.R4G4B4A4Unorm)
{
if (!caps.SupportsR4G4B4A4Format)
{
return new FormatInfo(Format.R8G8B8A8Unorm, 1, 1, 4, 4);
}
}
else if (!caps.Supports5BitComponentFormat && info.FormatInfo.Format.Is16BitPacked())
{
return new FormatInfo(info.FormatInfo.Format.IsBgr() ? Format.B8G8R8A8Unorm : Format.R8G8B8A8Unorm, 1, 1, 4, 4);
}
return info.FormatInfo;

2
Ryujinx.Graphics.OpenGL/OpenGLRenderer.cs
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@ -114,7 +114,9 @@ namespace Ryujinx.Graphics.OpenGL
supports3DTextureCompression: false,
supportsBgraFormat: false,
supportsR4G4Format: false,
supportsR4G4B4A4Format: true,
supportsSnormBufferTextureFormat: false,
supports5BitComponentFormat: true,
supportsFragmentShaderInterlock: HwCapabilities.SupportsFragmentShaderInterlock,
supportsFragmentShaderOrderingIntel: HwCapabilities.SupportsFragmentShaderOrdering,
supportsGeometryShaderPassthrough: HwCapabilities.SupportsGeometryShaderPassthrough,

2
Ryujinx.Graphics.Texture/LayoutConverter.cs
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@ -7,7 +7,7 @@ namespace Ryujinx.Graphics.Texture
{
public static class LayoutConverter
{
private const int HostStrideAlignment = 4;
public const int HostStrideAlignment = 4;
public static void ConvertBlockLinearToLinear(
Span<byte> dst,

211
Ryujinx.Graphics.Texture/PixelConverter.cs
View File

@ -1,3 +1,4 @@
using Ryujinx.Common;
using System;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
@ -7,30 +8,206 @@ namespace Ryujinx.Graphics.Texture
{
public static class PixelConverter
{
public unsafe static byte[] ConvertR4G4ToR4G4B4A4(ReadOnlySpan<byte> data)
private static (int remainder, int outRemainder, int height) GetLineRemainders(int length, int width, int bpp, int outBpp)
{
int stride = BitUtils.AlignUp(width * bpp, LayoutConverter.HostStrideAlignment);
int remainder = stride / bpp - width;
int outStride = BitUtils.AlignUp(width * outBpp, LayoutConverter.HostStrideAlignment);
int outRemainder = outStride / outBpp - width;
return (remainder, outRemainder, length / stride);
}
public unsafe static byte[] ConvertR4G4ToR4G4B4A4(ReadOnlySpan<byte> data, int width)
{
byte[] output = new byte[data.Length * 2];
int start = 0;
if (Sse41.IsSupported)
{
int sizeTrunc = data.Length & ~7;
start = sizeTrunc;
fixed (byte* inputPtr = data, outputPtr = output)
{
for (ulong offset = 0; offset < (ulong)sizeTrunc; offset += 8)
{
Sse2.Store(outputPtr + offset * 2, Sse41.ConvertToVector128Int16(inputPtr + offset).AsByte());
}
}
}
(int remainder, int outRemainder, int height) = GetLineRemainders(data.Length, width, 1, 2);
Span<ushort> outputSpan = MemoryMarshal.Cast<byte, ushort>(output);
for (int i = start; i < data.Length; i++)
if (remainder == 0)
{
outputSpan[i] = (ushort)data[i];
int start = 0;
if (Sse41.IsSupported)
{
int sizeTrunc = data.Length & ~7;
start = sizeTrunc;
fixed (byte* inputPtr = data, outputPtr = output)
{
for (ulong offset = 0; offset < (ulong)sizeTrunc; offset += 8)
{
Sse2.Store(outputPtr + offset * 2, Sse41.ConvertToVector128Int16(inputPtr + offset).AsByte());
}
}
}
for (int i = start; i < data.Length; i++)
{
outputSpan[i] = (ushort)data[i];
}
}
else
{
int offset = 0;
int outOffset = 0;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
outputSpan[outOffset++] = data[offset++];
}
offset += remainder;
outOffset += outRemainder;
}
}
return output;
}
public unsafe static byte[] ConvertR5G6B5ToR8G8B8A8(ReadOnlySpan<byte> data, int width)
{
byte[] output = new byte[data.Length * 2];
int offset = 0;
int outOffset = 0;
(int remainder, int outRemainder, int height) = GetLineRemainders(data.Length, width, 2, 4);
ReadOnlySpan<ushort> inputSpan = MemoryMarshal.Cast<byte, ushort>(data);
Span<uint> outputSpan = MemoryMarshal.Cast<byte, uint>(output);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
uint packed = inputSpan[offset++];
uint outputPacked = 0xff000000;
outputPacked |= (packed << 3) & 0x000000f8;
outputPacked |= (packed << 8) & 0x00f80000;
// Replicate 5 bit components.
outputPacked |= (outputPacked >> 5) & 0x00070007;
// Include and replicate 6 bit component.
outputPacked |= ((packed << 5) & 0x0000fc00) | ((packed >> 1) & 0x00000300);
outputSpan[outOffset++] = outputPacked;
}
offset += remainder;
outOffset += outRemainder;
}
return output;
}
public unsafe static byte[] ConvertR5G5B5ToR8G8B8A8(ReadOnlySpan<byte> data, int width, bool forceAlpha)
{
byte[] output = new byte[data.Length * 2];
int offset = 0;
int outOffset = 0;
(int remainder, int outRemainder, int height) = GetLineRemainders(data.Length, width, 2, 4);
ReadOnlySpan<ushort> inputSpan = MemoryMarshal.Cast<byte, ushort>(data);
Span<uint> outputSpan = MemoryMarshal.Cast<byte, uint>(output);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
uint packed = inputSpan[offset++];
uint a = forceAlpha ? 1 : (packed >> 15);
uint outputPacked = a * 0xff000000;
outputPacked |= (packed << 3) & 0x000000f8;
outputPacked |= (packed << 6) & 0x0000f800;
outputPacked |= (packed << 9) & 0x00f80000;
// Replicate 5 bit components.
outputPacked |= (outputPacked >> 5) & 0x00070707;
outputSpan[outOffset++] = outputPacked;
}
offset += remainder;
outOffset += outRemainder;
}
return output;
}
public unsafe static byte[] ConvertA1B5G5R5ToR8G8B8A8(ReadOnlySpan<byte> data, int width)
{
byte[] output = new byte[data.Length * 2];
int offset = 0;
int outOffset = 0;
(int remainder, int outRemainder, int height) = GetLineRemainders(data.Length, width, 2, 4);
ReadOnlySpan<ushort> inputSpan = MemoryMarshal.Cast<byte, ushort>(data);
Span<uint> outputSpan = MemoryMarshal.Cast<byte, uint>(output);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
uint packed = inputSpan[offset++];
uint a = packed >> 15;
uint outputPacked = a * 0xff000000;
outputPacked |= (packed >> 8) & 0x000000f8;
outputPacked |= (packed << 5) & 0x0000f800;
outputPacked |= (packed << 18) & 0x00f80000;
// Replicate 5 bit components.
outputPacked |= (outputPacked >> 5) & 0x00070707;
outputSpan[outOffset++] = outputPacked;
}
offset += remainder;
outOffset += outRemainder;
}
return output;
}
public unsafe static byte[] ConvertR4G4B4A4ToR8G8B8A8(ReadOnlySpan<byte> data, int width)
{
byte[] output = new byte[data.Length * 2];
int offset = 0;
int outOffset = 0;
(int remainder, int outRemainder, int height) = GetLineRemainders(data.Length, width, 2, 4);
ReadOnlySpan<ushort> inputSpan = MemoryMarshal.Cast<byte, ushort>(data);
Span<uint> outputSpan = MemoryMarshal.Cast<byte, uint>(output);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
uint packed = inputSpan[offset++];
uint outputPacked = packed & 0x0000000f;
outputPacked |= (packed << 4) & 0x00000f00;
outputPacked |= (packed << 8) & 0x000f0000;
outputPacked |= (packed << 12) & 0x0f000000;
outputSpan[outOffset++] = outputPacked * 0x11;
}
offset += remainder;
outOffset += outRemainder;
}
return output;

13
Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
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@ -396,6 +396,17 @@ namespace Ryujinx.Graphics.Vulkan
GAL.Format.Etc2RgbSrgb,
GAL.Format.Etc2RgbUnorm);
bool supports5BitComponentFormat = FormatCapabilities.OptimalFormatsSupport(compressedFormatFeatureFlags,
GAL.Format.R5G6B5Unorm,
GAL.Format.R5G5B5A1Unorm,
GAL.Format.R5G5B5X1Unorm,
GAL.Format.B5G6R5Unorm,
GAL.Format.B5G5R5A1Unorm,
GAL.Format.A1B5G5R5Unorm);
bool supportsR4G4B4A4Format = FormatCapabilities.OptimalFormatsSupport(compressedFormatFeatureFlags,
GAL.Format.R4G4B4A4Unorm);
PhysicalDeviceVulkan12Features featuresVk12 = new PhysicalDeviceVulkan12Features()
{
SType = StructureType.PhysicalDeviceVulkan12Features
@ -425,7 +436,9 @@ namespace Ryujinx.Graphics.Vulkan
supports3DTextureCompression: true,
supportsBgraFormat: true,
supportsR4G4Format: false,
supportsR4G4B4A4Format: supportsR4G4B4A4Format,
supportsSnormBufferTextureFormat: true,
supports5BitComponentFormat: supports5BitComponentFormat,
supportsFragmentShaderInterlock: Capabilities.SupportsFragmentShaderInterlock,
supportsFragmentShaderOrderingIntel: false,
supportsGeometryShaderPassthrough: Capabilities.SupportsGeometryShaderPassthrough,