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using ChocolArm64.Memory;
using Ryujinx.Graphics.Gal;
using Ryujinx.HLE.Gpu.Memory;
using System;
namespace Ryujinx.HLE.Gpu.Texture
{
static class TextureHelper
{
public static ISwizzle GetSwizzle(TextureInfo Texture, int Width, int Bpp)
{
switch (Texture.Swizzle)
{
case TextureSwizzle._1dBuffer:
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:
case GalTextureFormat.R32:
case GalTextureFormat.ZF32:
return Texture.Width * Texture.Height * 4;
case GalTextureFormat.A1B5G5R5:
case GalTextureFormat.B5G6R5:
case GalTextureFormat.G8R8:
case GalTextureFormat.R16:
return Texture.Width * Texture.Height * 2;
case GalTextureFormat.R8:
return Texture.Width * Texture.Height;
case GalTextureFormat.BC1:
case GalTextureFormat.BC4:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 4, 4, 8);
}
case GalTextureFormat.BC7U:
case GalTextureFormat.BC2:
case GalTextureFormat.BC3:
case GalTextureFormat.BC5:
case GalTextureFormat.Astc2D4x4:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 4, 4, 16);
}
case GalTextureFormat.Astc2D5x5:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 5, 5, 16);
}
case GalTextureFormat.Astc2D6x6:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 6, 6, 16);
}
case GalTextureFormat.Astc2D8x8:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 8, 8, 16);
}
case GalTextureFormat.Astc2D10x10:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 10, 10, 16);
}
case GalTextureFormat.Astc2D12x12:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 12, 12, 16);
}
case GalTextureFormat.Astc2D5x4:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 5, 4, 16);
}
case GalTextureFormat.Astc2D6x5:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 6, 5, 16);
}
case GalTextureFormat.Astc2D8x6:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 8, 6, 16);
}
case GalTextureFormat.Astc2D10x8:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 10, 8, 16);
}
case GalTextureFormat.Astc2D12x10:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 12, 10, 16);
}
case GalTextureFormat.Astc2D8x5:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 8, 5, 16);
}
case GalTextureFormat.Astc2D10x5:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 10, 5, 16);
}
case GalTextureFormat.Astc2D10x6:
{
return CompressedTextureSize(Texture.Width, Texture.Height, 10, 6, 16);
}
}
throw new NotImplementedException(Texture.Format.ToString());
}
public static int CompressedTextureSize(int TextureWidth, int TextureHeight, int BlockWidth, int BlockHeight, int Bpb)
{
int W = (TextureWidth + (BlockWidth - 1)) / BlockWidth;
int H = (TextureHeight + (BlockHeight - 1)) / BlockHeight;
return W * H * Bpb;
}
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);
}
}
}
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