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Extend bindless elimination to work with masked and shifted handles (#2727)

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* Extent bindless elimination to work with masked handles

* Extend bindless elimination to catch shifted pattern, refactor handle packing/unpacking
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gdkchan 2021-10-17 17:28:18 -03:00 • committed by GitHub
parent d05573bfd1
commit 25fd4ef10e
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3 changed files with 159 additions and 40 deletions
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54
Ryujinx.Graphics.Shader/TextureHandle.cs Normal file
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using System.Runtime.CompilerServices;
namespace Ryujinx.Graphics.Shader
{
public enum TextureHandleType
{
CombinedSampler = 0, // Must be 0.
SeparateSamplerHandle = 1,
SeparateSamplerId = 2
}
public static class TextureHandle
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int PackSlots(int cbufSlot0, int cbufSlot1)
{
return cbufSlot0 | ((cbufSlot1 + 1) << 16);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static (int, int) UnpackSlots(int slots, int defaultTextureBufferIndex)
{
int textureBufferIndex;
int samplerBufferIndex;
if (slots < 0)
{
textureBufferIndex = defaultTextureBufferIndex;
samplerBufferIndex = textureBufferIndex;
}
else
{
uint high = (uint)slots >> 16;
textureBufferIndex = (ushort)slots;
samplerBufferIndex = high != 0 ? (int)high - 1 : textureBufferIndex;
}
return (textureBufferIndex, samplerBufferIndex);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int PackOffsets(int cbufOffset0, int cbufOffset1, TextureHandleType type)
{
return cbufOffset0 | (cbufOffset1 << 14) | ((int)type << 28);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static (int, int, TextureHandleType) UnpackOffsets(int handle)
{
return (handle & 0x3fff, (handle >> 14) & 0x3fff, (TextureHandleType)((uint)handle >> 28));
}
}
}