ryujinx/Ryujinx.Graphics.Vic/VicDevice.cs

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C#
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using Ryujinx.Common.Logging;
using Ryujinx.Graphics.Device;
using Ryujinx.Graphics.Gpu.Memory;
using Ryujinx.Graphics.Vic.Image;
using Ryujinx.Graphics.Vic.Types;
using System;
using System.Collections.Generic;
namespace Ryujinx.Graphics.Vic
{
public class VicDevice : IDeviceState
{
private readonly MemoryManager _gmm;
private readonly ResourceManager _rm;
private readonly DeviceState<VicRegisters> _state;
private PlaneOffsets _overrideOffsets;
private bool _hasOverride;
public VicDevice(MemoryManager gmm)
{
_gmm = gmm;
_rm = new ResourceManager(gmm, new BufferPool<Pixel>(), new BufferPool<byte>());
_state = new DeviceState<VicRegisters>(new Dictionary<string, RwCallback>
{
{ nameof(VicRegisters.Execute), new RwCallback(Execute, null) }
});
}
/// <summary>
/// Overrides all input surfaces with a custom surface.
/// </summary>
/// <param name="lumaOffset">Offset of the luma plane or packed data for this surface</param>
/// <param name="chromaUOffset">Offset of the U chroma plane (for planar formats) or both chroma planes (for semiplanar formats)</param>
/// <param name="chromaVOffset">Offset of the V chroma plane for planar formats</param>
public void SetSurfaceOverride(uint lumaOffset, uint chromaUOffset, uint chromaVOffset)
{
_overrideOffsets.LumaOffset = lumaOffset;
_overrideOffsets.ChromaUOffset = chromaUOffset;
_overrideOffsets.ChromaVOffset = chromaVOffset;
_hasOverride = true;
}
/// <summary>
/// Disables overriding input surfaces.
/// </summary>
/// <remarks>
/// Surface overrides are disabled by default.
/// Call this if you previously called <see cref="SetSurfaceOverride(uint, uint, uint)"/> and which to disable it.
/// </remarks>
public void DisableSurfaceOverride()
{
_hasOverride = false;
}
public int Read(int offset) => _state.Read(offset);
public void Write(int offset, int data) => _state.Write(offset, data);
private void Execute(int data)
{
ConfigStruct config = ReadIndirect<ConfigStruct>(_state.State.SetConfigStructOffset);
using Surface output = new Surface(
_rm.SurfacePool,
config.OutputSurfaceConfig.OutSurfaceWidth + 1,
config.OutputSurfaceConfig.OutSurfaceHeight + 1);
for (int i = 0; i < config.SlotStruct.Length; i++)
{
ref SlotStruct slot = ref config.SlotStruct[i];
if (!slot.SlotConfig.SlotEnable)
{
continue;
}
var offsets = _state.State.SetSurfacexSlotx[i][0];
if (_hasOverride)
{
offsets = _overrideOffsets;
}
using Surface src = SurfaceReader.Read(_rm, ref slot.SlotSurfaceConfig, ref offsets);
Blender.BlendOne(output, src, ref slot);
}
SurfaceWriter.Write(_rm, output, ref config.OutputSurfaceConfig, ref _state.State.SetOutputSurface);
}
private T ReadIndirect<T>(uint offset) where T : unmanaged
{
return _gmm.Read<T>((ulong)offset << 8);
}
}
}