Ryujinx/Ryujinx.Graphics.Nvdec/Vic/VideoImageComposer.cs

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2020-01-01 00:08:02 +00:00
using Ryujinx.Graphics.Gpu;
using Ryujinx.Graphics.VDec;
namespace Ryujinx.Graphics.Vic
{
class VideoImageComposer
{
private ulong _configStructAddress;
private ulong _outputSurfaceLumaAddress;
private ulong _outputSurfaceChromaUAddress;
private ulong _outputSurfaceChromaVAddress;
private VideoDecoder _vdec;
public VideoImageComposer(VideoDecoder vdec)
{
_vdec = vdec;
}
public void Process(GpuContext gpu, int methodOffset, int[] arguments)
{
VideoImageComposerMeth method = (VideoImageComposerMeth)methodOffset;
switch (method)
{
case VideoImageComposerMeth.Execute: Execute(gpu); break;
case VideoImageComposerMeth.SetConfigStructOffset: SetConfigStructOffset(arguments); break;
case VideoImageComposerMeth.SetOutputSurfaceLumaOffset: SetOutputSurfaceLumaOffset(arguments); break;
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case VideoImageComposerMeth.SetOutputSurfaceChromaUOffset: SetOutputSurfaceChromaUOffset(arguments); break;
case VideoImageComposerMeth.SetOutputSurfaceChromaVOffset: SetOutputSurfaceChromaVOffset(arguments); break;
}
}
private void Execute(GpuContext gpu)
{
StructUnpacker unpacker = new StructUnpacker(gpu.MemoryAccessor, _configStructAddress + 0x20);
SurfacePixelFormat pixelFormat = (SurfacePixelFormat)unpacker.Read(7);
int chromaLocHoriz = unpacker.Read(2);
int chromaLocVert = unpacker.Read(2);
int blockLinearKind = unpacker.Read(4);
int blockLinearHeightLog2 = unpacker.Read(4);
int reserved0 = unpacker.Read(3);
int reserved1 = unpacker.Read(10);
int surfaceWidthMinus1 = unpacker.Read(14);
int surfaceHeightMinus1 = unpacker.Read(14);
int gobBlockHeight = 1 << blockLinearHeightLog2;
int surfaceWidth = surfaceWidthMinus1 + 1;
int surfaceHeight = surfaceHeightMinus1 + 1;
SurfaceOutputConfig outputConfig = new SurfaceOutputConfig(
pixelFormat,
surfaceWidth,
surfaceHeight,
gobBlockHeight,
_outputSurfaceLumaAddress,
_outputSurfaceChromaUAddress,
_outputSurfaceChromaVAddress);
_vdec.CopyPlanes(gpu, outputConfig);
}
private void SetConfigStructOffset(int[] arguments)
{
_configStructAddress = GetAddress(arguments);
}
private void SetOutputSurfaceLumaOffset(int[] arguments)
{
_outputSurfaceLumaAddress = GetAddress(arguments);
}
private void SetOutputSurfaceChromaUOffset(int[] arguments)
{
_outputSurfaceChromaUAddress = GetAddress(arguments);
}
private void SetOutputSurfaceChromaVOffset(int[] arguments)
{
_outputSurfaceChromaVAddress = GetAddress(arguments);
}
private static ulong GetAddress(int[] arguments)
{
return (ulong)(uint)arguments[0] << 8;
}
}
}