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| author | gdkchan <gab.dark.100@gmail.com> | 2020-07-12 00:07:01 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-07-12 05:07:01 +0200 |
| commit | 4d02a2d2c0451b4de1f6de3bbce54c457cacebe2 (patch) | |
| tree | 120fe4fb8cfa1ac1c6ef4c97d92be47e955e8c0f /Ryujinx.Graphics.Nvdec.Vp9/Types/TileInfo.cs | |
| parent | 38b26cf4242999fa7d8c550993ac0940cd03d55f (diff) | |
New NVDEC and VIC implementation (#1384)
* Initial NVDEC and VIC implementation
* Update FFmpeg.AutoGen to 4.3.0
* Add nvdec dependencies for Windows
* Unify some VP9 structures
* Rename VP9 structure fields
* Improvements to Video API
* XML docs for Common.Memory
* Remove now unused or redundant overloads from MemoryAccessor
* NVDEC UV surface read/write scalar paths
* Add FIXME comments about hacky things/stuff that will need to be fixed in the future
* Cleaned up VP9 memory allocation
* Remove some debug logs
* Rename some VP9 structs
* Remove unused struct
* No need to compile Ryujinx.Graphics.Host1x with unsafe anymore
* Name AsyncWorkQueue threads to make debugging easier
* Make Vp9PictureInfo a ref struct
* LayoutConverter no longer needs the depth argument (broken by rebase)
* Pooling of VP9 buffers, plus fix a memory leak on VP9
* Really wish VS could rename projects properly...
* Address feedback
* Remove using
* Catch OperationCanceledException
* Add licensing informations
* Add THIRDPARTY.md to release too
Co-authored-by: Thog <me@thog.eu>
Diffstat (limited to 'Ryujinx.Graphics.Nvdec.Vp9/Types/TileInfo.cs')
| -rw-r--r-- | Ryujinx.Graphics.Nvdec.Vp9/Types/TileInfo.cs | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Nvdec.Vp9/Types/TileInfo.cs b/Ryujinx.Graphics.Nvdec.Vp9/Types/TileInfo.cs new file mode 100644 index 00000000..67289c47 --- /dev/null +++ b/Ryujinx.Graphics.Nvdec.Vp9/Types/TileInfo.cs @@ -0,0 +1,85 @@ +using Ryujinx.Graphics.Nvdec.Vp9.Common; +using System; +using System.Diagnostics; + +namespace Ryujinx.Graphics.Nvdec.Vp9.Types +{ + internal struct TileInfo + { + private const int MinTileWidthB64 = 4; + private const int MaxTileWidthB64 = 64; + + public int MiRowStart, MiRowEnd; + public int MiColStart, MiColEnd; + + public static int MiColsAlignedToSb(int nMis) + { + return BitUtils.AlignPowerOfTwo(nMis, Constants.MiBlockSizeLog2); + } + + private static int GetTileOffset(int idx, int mis, int log2) + { + int sbCols = MiColsAlignedToSb(mis) >> Constants.MiBlockSizeLog2; + int offset = ((idx * sbCols) >> log2) << Constants.MiBlockSizeLog2; + return Math.Min(offset, mis); + } + + public void SetRow(ref Vp9Common cm, int row) + { + MiRowStart = GetTileOffset(row, cm.MiRows, cm.Log2TileRows); + MiRowEnd = GetTileOffset(row + 1, cm.MiRows, cm.Log2TileRows); + } + + public void SetCol(ref Vp9Common cm, int col) + { + MiColStart = GetTileOffset(col, cm.MiCols, cm.Log2TileCols); + MiColEnd = GetTileOffset(col + 1, cm.MiCols, cm.Log2TileCols); + } + + public void Init(ref Vp9Common cm, int row, int col) + { + SetRow(ref cm, row); + SetCol(ref cm, col); + } + + // Checks that the given miRow, miCol and search point + // are inside the borders of the tile. + public bool IsInside(int miCol, int miRow, int miRows, ref Position miPos) + { + return !(miRow + miPos.Row < 0 || + miCol + miPos.Col < MiColStart || + miRow + miPos.Row >= miRows || + miCol + miPos.Col >= MiColEnd); + } + + private static int GetMinLog2TileCols(int sb64Cols) + { + int minLog2 = 0; + while ((MaxTileWidthB64 << minLog2) < sb64Cols) + { + ++minLog2; + } + + return minLog2; + } + + private static int GetMaxLog2TileCols(int sb64Cols) + { + int maxLog2 = 1; + while ((sb64Cols >> maxLog2) >= MinTileWidthB64) + { + ++maxLog2; + } + + return maxLog2 - 1; + } + + public static void GetTileNBits(int miCols, ref int minLog2TileCols, ref int maxLog2TileCols) + { + int sb64Cols = MiColsAlignedToSb(miCols) >> Constants.MiBlockSizeLog2; + minLog2TileCols = GetMinLog2TileCols(sb64Cols); + maxLog2TileCols = GetMaxLog2TileCols(sb64Cols); + Debug.Assert(minLog2TileCols <= maxLog2TileCols); + } + } +} |
