ryujinx/Ryujinx.Core/Gpu/TextureHelper.cs

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using ChocolArm64.Memory;
using Ryujinx.Graphics.Gal;
using System;
namespace Ryujinx.Core.Gpu
{
static class TextureHelper
{
public static ISwizzle GetSwizzle(Texture Texture, int Width, int Bpp)
{
switch (Texture.Swizzle)
{
case TextureSwizzle.Pitch:
case TextureSwizzle.PitchColorKey:
return new LinearSwizzle(Texture.Pitch, Bpp);
case TextureSwizzle.BlockLinear:
case TextureSwizzle.BlockLinearColorKey:
return new BlockLinearSwizzle(Width, Bpp, Texture.BlockHeight);
}
throw new NotImplementedException(Texture.Swizzle.ToString());
}
public static int GetTextureSize(GalTexture Texture)
{
switch (Texture.Format)
{
case GalTextureFormat.R32G32B32A32: return Texture.Width * Texture.Height * 16;
case GalTextureFormat.R16G16B16A16: return Texture.Width * Texture.Height * 8;
case GalTextureFormat.A8B8G8R8: return Texture.Width * Texture.Height * 4;
case GalTextureFormat.R32: return Texture.Width * Texture.Height * 4;
case GalTextureFormat.A1B5G5R5: return Texture.Width * Texture.Height * 2;
case GalTextureFormat.B5G6R5: return Texture.Width * Texture.Height * 2;
case GalTextureFormat.G8R8: return Texture.Width * Texture.Height * 2;
case GalTextureFormat.R8: return Texture.Width * Texture.Height;
case GalTextureFormat.BC1:
case GalTextureFormat.BC4:
{
int W = (Texture.Width + 3) / 4;
int H = (Texture.Height + 3) / 4;
return W * H * 8;
}
case GalTextureFormat.BC7U:
case GalTextureFormat.BC2:
case GalTextureFormat.BC3:
case GalTextureFormat.BC5:
case GalTextureFormat.Astc2D4x4:
{
int W = (Texture.Width + 3) / 4;
int H = (Texture.Height + 3) / 4;
return W * H * 16;
}
}
throw new NotImplementedException(Texture.Format.ToString());
}
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);
}
}
}