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Ryujinx/Ryujinx.HLE/Gpu/Texture/TextureFactory.cs
gdkchan 60f2198a1e
Support deswizzle of sparse tiled textures and some frame buffer fixes (#275)
* Attempt to support deswizzle of sparse tiled textures

* Use correct frame buffer and viewport sizes, started to clean up the copy engine

* Correct texture width alignment

* Use Scale/Translate registers to calculate viewport rect

* Allow texture copy between frame buffers
2018-07-19 02:30:21 -03:00

120 lines
No EOL
3.9 KiB
C#

using Ryujinx.Graphics.Gal;
using Ryujinx.HLE.Gpu.Memory;
using System;
namespace Ryujinx.HLE.Gpu.Texture
{
static class TextureFactory
{
public static GalTexture MakeTexture(NvGpuVmm Vmm, long TicPosition)
{
int[] Tic = ReadWords(Vmm, TicPosition, 8);
GalTextureFormat Format = (GalTextureFormat)(Tic[0] & 0x7f);
GalTextureSource XSource = (GalTextureSource)((Tic[0] >> 19) & 7);
GalTextureSource YSource = (GalTextureSource)((Tic[0] >> 22) & 7);
GalTextureSource ZSource = (GalTextureSource)((Tic[0] >> 25) & 7);
GalTextureSource WSource = (GalTextureSource)((Tic[0] >> 28) & 7);
int Width = (Tic[4] & 0xffff) + 1;
int Height = (Tic[5] & 0xffff) + 1;
return new GalTexture(
Width,
Height,
Format,
XSource,
YSource,
ZSource,
WSource);
}
public static byte[] GetTextureData(NvGpuVmm Vmm, long TicPosition)
{
int[] Tic = ReadWords(Vmm, TicPosition, 8);
GalTextureFormat Format = (GalTextureFormat)(Tic[0] & 0x7f);
long TextureAddress = (uint)Tic[1];
TextureAddress |= (long)((ushort)Tic[2]) << 32;
TextureSwizzle Swizzle = (TextureSwizzle)((Tic[2] >> 21) & 7);
if (Swizzle == TextureSwizzle.BlockLinear ||
Swizzle == TextureSwizzle.BlockLinearColorKey)
{
TextureAddress &= ~0x1ffL;
}
else if (Swizzle == TextureSwizzle.Pitch ||
Swizzle == TextureSwizzle.PitchColorKey)
{
TextureAddress &= ~0x1fL;
}
int Pitch = (Tic[3] & 0xffff) << 5;
int BlockHeightLog2 = (Tic[3] >> 3) & 7;
int TileWidthLog2 = (Tic[3] >> 10) & 7;
int BlockHeight = 1 << BlockHeightLog2;
int TileWidth = 1 << TileWidthLog2;
int Width = (Tic[4] & 0xffff) + 1;
int Height = (Tic[5] & 0xffff) + 1;
TextureInfo Texture = new TextureInfo(
TextureAddress,
Width,
Height,
Pitch,
BlockHeight,
TileWidth,
Swizzle,
Format);
return TextureReader.Read(Vmm, Texture);
}
public static GalTextureSampler MakeSampler(NvGpu Gpu, NvGpuVmm Vmm, long TscPosition)
{
int[] Tsc = ReadWords(Vmm, TscPosition, 8);
GalTextureWrap AddressU = (GalTextureWrap)((Tsc[0] >> 0) & 7);
GalTextureWrap AddressV = (GalTextureWrap)((Tsc[0] >> 3) & 7);
GalTextureWrap AddressP = (GalTextureWrap)((Tsc[0] >> 6) & 7);
GalTextureFilter MagFilter = (GalTextureFilter) ((Tsc[1] >> 0) & 3);
GalTextureFilter MinFilter = (GalTextureFilter) ((Tsc[1] >> 4) & 3);
GalTextureMipFilter MipFilter = (GalTextureMipFilter)((Tsc[1] >> 6) & 3);
GalColorF BorderColor = new GalColorF(
BitConverter.Int32BitsToSingle(Tsc[4]),
BitConverter.Int32BitsToSingle(Tsc[5]),
BitConverter.Int32BitsToSingle(Tsc[6]),
BitConverter.Int32BitsToSingle(Tsc[7]));
return new GalTextureSampler(
AddressU,
AddressV,
AddressP,
MinFilter,
MagFilter,
MipFilter,
BorderColor);
}
private static int[] ReadWords(NvGpuVmm Vmm, long Position, int Count)
{
int[] Words = new int[Count];
for (int Index = 0; Index < Count; Index++, Position += 4)
{
Words[Index] = Vmm.ReadInt32(Position);
}
return Words;
}
}
}