Ryujinx/Ryujinx.Graphics/Texture/TextureHelper.cs

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C#
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using ChocolArm64.Memory;
using Ryujinx.Graphics.Gal;
using Ryujinx.Graphics.Memory;
namespace Ryujinx.Graphics.Texture
{
static class TextureHelper
{
public static ISwizzle GetSwizzle(GalImage Image)
{
int BlockWidth = ImageUtils.GetBlockWidth (Image.Format);
int BytesPerPixel = ImageUtils.GetBytesPerPixel(Image.Format);
int Width = (Image.Width + (BlockWidth - 1)) / BlockWidth;
if (Image.Layout == GalMemoryLayout.BlockLinear)
{
int AlignMask = Image.TileWidth * (64 / BytesPerPixel) - 1;
Width = (Width + AlignMask) & ~AlignMask;
return new BlockLinearSwizzle(Width, BytesPerPixel, Image.GobBlockHeight);
}
else
{
return new LinearSwizzle(Image.Pitch, BytesPerPixel);
}
}
public static (AMemory Memory, long Position) GetMemoryAndPosition(
IAMemory Memory,
long Position)
{
if (Memory is NvGpuVmm Vmm)
{
return (Vmm.Memory, Vmm.GetPhysicalAddress(Position));
}
return ((AMemory)Memory, Position);
}
}
}