Ryujinx/Ryujinx.Graphics.Nvdec/Vp8Decoder.cs

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C#
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using Ryujinx.Graphics.Nvdec.FFmpeg.Vp8;
using Ryujinx.Graphics.Nvdec.Image;
using Ryujinx.Graphics.Nvdec.Types.Vp8;
using Ryujinx.Graphics.Video;
using System;
namespace Ryujinx.Graphics.Nvdec
{
static class Vp8Decoder
{
public static void Decode(NvdecDecoderContext context, ResourceManager rm, ref NvdecRegisters state)
{
PictureInfo pictureInfo = rm.Gmm.DeviceRead<PictureInfo>(state.SetDrvPicSetupOffset);
ReadOnlySpan<byte> bitstream = rm.Gmm.DeviceGetSpan(state.SetInBufBaseOffset, (int)pictureInfo.VLDBufferSize);
Decoder decoder = context.GetVp8Decoder();
ISurface outputSurface = rm.Cache.Get(decoder, 0, 0, pictureInfo.FrameWidth, pictureInfo.FrameHeight);
Vp8PictureInfo info = pictureInfo.Convert();
uint lumaOffset = state.SetPictureLumaOffset[3];
uint chromaOffset = state.SetPictureChromaOffset[3];
if (decoder.Decode(ref info, outputSurface, bitstream))
{
SurfaceWriter.Write(rm.Gmm, outputSurface, lumaOffset, chromaOffset);
}
rm.Cache.Put(outputSurface);
}
}
}