private unsafe static byte[] Read4Bpp(IAMemory Memory, Texture Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height * 4];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, Width, 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.ReadInt32Unchecked(Position + Offset);
*(int *)(BuffPtr + OutOffs) = Pixel;
OutOffs += 4;
}
}
}
return(Output);
}
private unsafe static byte[] Read8Bpt4x4(IAMemory Memory, Texture 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, Width, 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.ReadInt64Unchecked(Position + Offset);
*(long *)(BuffPtr + OutOffs) = Tile;
OutOffs += 8;
}
}
}
return(Output);
}
private unsafe static void Write4Bpp(IAMemory Memory, Texture Texture, byte[] Data)
{
int Width = Texture.Width;
int Height = Texture.Height;
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, Width, 4);
(AMemory CpuMem, long Position) = TextureHelper.GetMemoryAndPosition(
Memory,
Texture.Position);
fixed(byte *BuffPtr = Data)
{
long InOffs = 0;
for (int Y = 0; Y < Height; Y++)
{
for (int X = 0; X < Width; X++)
{
long Offset = (uint)Swizzle.GetSwizzleOffset(X, Y);
int Pixel = *(int *)(BuffPtr + InOffs);
CpuMem.WriteInt32Unchecked(Position + Offset, Pixel);
InOffs += 4;
}
}
}
}
private unsafe static byte[] Read5551(IAMemory Memory, Texture Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height * 2];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, Width, 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.ReadInt16Unchecked(Position + Offset);
Pixel = (Pixel & 0x001f) << 11 |
(Pixel & 0x03e0) << 1 |
(Pixel & 0x7c00) >> 9 |
(Pixel & 0x8000) >> 15;
*(short *)(BuffPtr + OutOffs) = (short)Pixel;
OutOffs += 2;
}
}
}
return(Output);
}
private unsafe static byte[] Read16Bpp(IAMemory Memory, Texture Texture)
{
int Width = Texture.Width;
int Height = Texture.Height;
byte[] Output = new byte[Width * Height * 16];
ISwizzle Swizzle = TextureHelper.GetSwizzle(Texture, Width, 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.ReadInt64Unchecked(Position + Offset + 0);
long PxHigh = CpuMem.ReadInt64Unchecked(Position + Offset + 8);
*(long *)(BuffPtr + OutOffs + 0) = PxLow;
*(long *)(BuffPtr + OutOffs + 8) = PxHigh;
OutOffs += 16;
}
}
}
return(Output);
}
