Ryujinx/Ryujinx.Graphics/Texture/TextureReader.cs

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using ChocolArm64.Memory;
using Ryujinx.Graphics.Gal;
using System;
namespace Ryujinx.Graphics.Texture
{
delegate byte[] TextureReaderDelegate(IAMemory Memory, TextureInfo Texture);
public static class TextureReader
{
public static byte[] Read(IAMemory Memory, TextureInfo Texture)
{
TextureReaderDelegate Reader = ImageUtils.GetReader(Texture.Format);
return Reader(Memory, Texture);
}
internal unsafe static byte[] Read1Bpp(IAMemory Memory, TextureInfo Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, 1, 1);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed (byte* BuffPtr = Output)
{
long OutOffs = 0;
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
byte Pixel = CpuMem.ReadByte(Position + Offset);
*(BuffPtr + OutOffs) = Pixel;
OutOffs++;
}
}
return Output;
}
internal unsafe static byte[] Read5551(IAMemory Memory, TextureInfo Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height * 2];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, 1, 2);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed (byte* BuffPtr = Output)
{
long OutOffs = 0;
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
uint Pixel = (uint)CpuMem.ReadInt16(Position + Offset);
Pixel = (Pixel & 0x001f) << 11 |
(Pixel & 0x03e0) << 1 |
(Pixel & 0x7c00) >> 9 |
(Pixel & 0x8000) >> 15;
*(short*)(BuffPtr + OutOffs) = (short)Pixel;
OutOffs += 2;
}
}
return Output;
}
internal unsafe static byte[] Read565(IAMemory Memory, TextureInfo Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height * 2];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, 1, 2);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed (byte* BuffPtr = Output)
{
long OutOffs = 0;
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
uint Pixel = (uint)CpuMem.ReadInt16(Position + Offset);
Pixel = (Pixel & 0x001f) << 11 |
(Pixel & 0x07e0) |
(Pixel & 0xf800) >> 11;
*(short*)(BuffPtr + OutOffs) = (short)Pixel;
OutOffs += 2;
}
}
return Output;
}
internal unsafe static byte[] Read2Bpp(IAMemory Memory, TextureInfo Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height * 2];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, 1, 2);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed (byte* BuffPtr = Output)
{
long OutOffs = 0;
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
short Pixel = CpuMem.ReadInt16(Position + Offset);
*(short*)(BuffPtr + OutOffs) = Pixel;
OutOffs += 2;
}
}
return Output;
}
internal unsafe static byte[] Read4Bpp(IAMemory Memory, TextureInfo Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height * 4];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, 1, 4);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed (byte* BuffPtr = Output)
{
long OutOffs = 0;
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
int Pixel = CpuMem.ReadInt32(Position + Offset);
*(int*)(BuffPtr + OutOffs) = Pixel;
OutOffs += 4;
}
}
return Output;
}
internal unsafe static byte[] Read8Bpp(IAMemory Memory, TextureInfo Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height * 8];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, 1, 8);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed (byte* BuffPtr = Output)
{
long OutOffs = 0;
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
long Pixel = CpuMem.ReadInt64(Position + Offset);
*(long*)(BuffPtr + OutOffs) = Pixel;
OutOffs += 8;
}
}
return Output;
}
internal unsafe static byte[] Read16Bpp(IAMemory Memory, TextureInfo Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height * 16];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, 1, 16);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed (byte* BuffPtr = Output)
{
long OutOffs = 0;
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
long PxLow = CpuMem.ReadInt64(Position + Offset + 0);
long PxHigh = CpuMem.ReadInt64(Position + Offset + 8);
*(long*)(BuffPtr + OutOffs + 0) = PxLow;
*(long*)(BuffPtr + OutOffs + 8) = PxHigh;
OutOffs += 16;
}
}
return Output;
}
internal unsafe static byte[] Read8Bpt4x4(IAMemory Memory, TextureInfo Texture)
{
int Width = (Texture.Width + 3) / 4;
int Height = (Texture.Height + 3) / 4;
byte[] Output = new byte[Width * Height * 8];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, 4, 8);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed (byte* BuffPtr = Output)
{
long OutOffs = 0;
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
long Tile = CpuMem.ReadInt64(Position + Offset);
*(long*)(BuffPtr + OutOffs) = Tile;
OutOffs += 8;
}
}
return Output;
}
internal unsafe static byte[] Read16BptCompressedTexture(IAMemory Memory, TextureInfo Texture, int BlockWidth, int BlockHeight)
{
int Width = (Texture.Width + (BlockWidth - 1)) / BlockWidth;
int Height = (Texture.Height + (BlockHeight - 1)) / BlockHeight;
byte[] Output = new byte[Width * Height * 16];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, BlockWidth, 16);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed (byte* BuffPtr = Output)
{
long OutOffs = 0;
for (int Y = 0; Y < Height; Y++)
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
long Tile0 = CpuMem.ReadInt64(Position + Offset + 0);
long Tile1 = CpuMem.ReadInt64(Position + Offset + 8);
*(long*)(BuffPtr + OutOffs + 0) = Tile0;
*(long*)(BuffPtr + OutOffs + 8) = Tile1;
OutOffs += 16;
}
}
return Output;
}
internal static byte[] Read16BptCompressedTexture4x4(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 4, 4);
}
internal static byte[] Read16BptCompressedTexture5x5(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 5, 5);
}
internal static byte[] Read16BptCompressedTexture6x6(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 6, 6);
}
internal static byte[] Read16BptCompressedTexture8x8(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 8, 8);
}
internal static byte[] Read16BptCompressedTexture10x10(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 10, 10);
}
internal static byte[] Read16BptCompressedTexture12x12(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 12, 12);
}
internal static byte[] Read16BptCompressedTexture5x4(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 5, 4);
}
internal static byte[] Read16BptCompressedTexture6x5(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 6, 5);
}
internal static byte[] Read16BptCompressedTexture8x6(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 8, 6);
}
internal static byte[] Read16BptCompressedTexture10x8(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 10, 8);
}
internal static byte[] Read16BptCompressedTexture12x10(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 12, 10);
}
internal static byte[] Read16BptCompressedTexture8x5(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 5, 5);
}
internal static byte[] Read16BptCompressedTexture10x5(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 10, 5);
}
internal static byte[] Read16BptCompressedTexture10x6(IAMemory Memory, TextureInfo Texture)
{
return Read16BptCompressedTexture(Memory, Texture, 10, 6);
}
}
}