Initial work

Ryujinx.Graphics.Gpu/Image/TextureDescriptor.cs

@@ -0,0 +1,119 @@
+namespace Ryujinx.Graphics.Gpu.Image
+{
+    struct TextureDescriptor
+    {
+        public uint Word0;
+        public uint Word1;
+        public uint Word2;
+        public uint Word3;
+        public uint Word4;
+        public uint Word5;
+        public uint Word6;
+        public uint Word7;
+
+        public uint UnpackFormat()
+        {
+            return Word0 & 0x8007ffff;
+        }
+
+        public TextureComponent UnpackSwizzleR()
+        {
+            return(TextureComponent)((Word0 >> 19) & 7);
+        }
+
+        public TextureComponent UnpackSwizzleG()
+        {
+            return(TextureComponent)((Word0 >> 22) & 7);
+        }
+
+        public TextureComponent UnpackSwizzleB()
+        {
+            return(TextureComponent)((Word0 >> 25) & 7);
+        }
+
+        public TextureComponent UnpackSwizzleA()
+        {
+            return(TextureComponent)((Word0 >> 28) & 7);
+        }
+
+        public ulong UnpackAddress()
+        {
+            return Word1 | ((ulong)(Word2 & 0xffff) << 32);
+        }
+
+        public TextureDescriptorType UnpackTextureDescriptorType()
+        {
+            return (TextureDescriptorType)((Word2 >> 21) & 7);
+        }
+
+        public int UnpackStride()
+        {
+            return (int)(Word3 & 0xffff) << 5;
+        }
+
+        public int UnpackGobBlocksInX()
+        {
+            return 1 << (int)(Word3 & 7);
+        }
+
+        public int UnpackGobBlocksInY()
+        {
+            return 1 << (int)((Word3 >> 3) & 7);
+        }
+
+        public int UnpackGobBlocksInZ()
+        {
+            return 1 << (int)((Word3 >> 6) & 7);
+        }
+
+        public int UnpackGobBlocksInTileX()
+        {
+            return 1 << (int)((Word3 >> 10) & 7);
+        }
+
+        public int UnpackLevels()
+        {
+            return (int)(Word3 >> 28) + 1;
+        }
+
+        public int UnpackWidth()
+        {
+            return (int)(Word4 & 0xffff) + 1;
+        }
+
+        public bool UnpackSrgb()
+        {
+            return (Word4 & (1 << 22)) != 0;
+        }
+
+        public TextureTarget UnpackTextureTarget()
+        {
+            return (TextureTarget)((Word4 >> 23) & 0xf);
+        }
+
+        public int UnpackHeight()
+        {
+            return (int)(Word5 & 0xffff) + 1;
+        }
+
+        public int UnpackDepth()
+        {
+            return (int)((Word5 >> 16) & 0x3fff) + 1;
+        }
+
+        public int UnpackBaseLevel()
+        {
+            return (int)(Word7 & 0xf);
+        }
+
+        public int UnpackMaxLevelInclusive()
+        {
+            return (int)((Word7 >> 4) & 0xf);
+        }
+
+        public TextureMsaaMode UnpackTextureMsaaMode()
+        {
+            return (TextureMsaaMode)((Word7 >> 8) & 0xf);
+        }
+    }
+}