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TSR Berry 2023-04-08 01:22:00 +02:00 • committed by Mary
parent cd124bda58
commit cee7121058
3466 changed files with 55 additions and 55 deletions
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49
src/Ryujinx.Graphics.Vulkan/FormatConverter.cs Normal file
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using System;
using System.Runtime.InteropServices;
namespace Ryujinx.Graphics.Vulkan
{
class FormatConverter
{
public static void ConvertD24S8ToD32FS8(Span<byte> output, ReadOnlySpan<byte> input)
{
const float UnormToFloat = 1f / 0xffffff;
Span<uint> outputUint = MemoryMarshal.Cast<byte, uint>(output);
ReadOnlySpan<uint> inputUint = MemoryMarshal.Cast<byte, uint>(input);
int i = 0;
for (; i < inputUint.Length; i++)
{
uint depthStencil = inputUint[i];
uint depth = depthStencil >> 8;
uint stencil = depthStencil & 0xff;
int j = i * 2;
outputUint[j] = (uint)BitConverter.SingleToInt32Bits(depth * UnormToFloat);
outputUint[j + 1] = stencil;
}
}
public static void ConvertD32FS8ToD24S8(Span<byte> output, ReadOnlySpan<byte> input)
{
Span<uint> outputUint = MemoryMarshal.Cast<byte, uint>(output);
ReadOnlySpan<uint> inputUint = MemoryMarshal.Cast<byte, uint>(input);
int i = 0;
for (; i < inputUint.Length; i += 2)
{
float depth = BitConverter.Int32BitsToSingle((int)inputUint[i]);
uint stencil = inputUint[i + 1];
uint depthStencil = (Math.Clamp((uint)(depth * 0xffffff), 0, 0xffffff) << 8) | (stencil & 0xff);
int j = i >> 1;
outputUint[j] = depthStencil;
}
}
}
}