drashna/ryujinx
1
0
Fork 0
Code Activity Actions

Merge shader branch, adding support for GLSL decompilation, a macro

Browse source 
interpreter, and a rewrite of the GPU code.
This commit is contained in:
gdkchan 2018-04-08 16:17:35 -03:00
parent 7acd0e0122
commit b9aa3966c0
77 changed files with 5301 additions and 766 deletions
Download patch file Download diff file Expand all files Collapse all files

57
Ryujinx.Graphics/Gpu/BlockLinearSwizzle.cs Normal file
View file

@ -0,0 +1,57 @@
namespace Ryujinx.Graphics.Gpu
{
class BlockLinearSwizzle : ISwizzle
{
private int BhShift;
private int BppShift;
private int BhMask;
private int XShift;
private int GobStride;
public BlockLinearSwizzle(int Width, int Bpp, int BlockHeight = 16)
{
BhMask = (BlockHeight * 8) - 1;
BhShift = CountLsbZeros(BlockHeight * 8);
BppShift = CountLsbZeros(Bpp);
int WidthInGobs = Width * Bpp / 64;
GobStride = 512 * BlockHeight * WidthInGobs;
XShift = CountLsbZeros(512 * BlockHeight);
}
private int CountLsbZeros(int Value)
{
int Count = 0;
while (((Value >> Count) & 1) == 0)
{
Count++;
}
return Count;
}
public int GetSwizzleOffset(int X, int Y)
{
X <<= BppShift;
int Position = (Y >> BhShift) * GobStride;
Position += (X >> 6) << XShift;
Position += ((Y & BhMask) >> 3) << 9;
Position += ((X & 0x3f) >> 5) << 8;
Position += ((Y & 0x07) >> 1) << 6;
Position += ((X & 0x1f) >> 4) << 5;
Position += ((Y & 0x01) >> 0) << 4;
Position += ((X & 0x0f) >> 0) << 0;
return Position;
}
}
}