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using Ryujinx.Graphics.Gal;
using Ryujinx.Graphics.Memory;
using Ryujinx.Graphics.Texture;
using System.Collections.Generic;
namespace Ryujinx.Graphics
{
public class GpuResourceManager
{
private enum ImageType
{
None,
Texture,
ColorBuffer,
ZetaBuffer
}
private NvGpu Gpu;
private HashSet<long>[] UploadedKeys;
private Dictionary<long, ImageType> ImageTypes;
public GpuResourceManager(NvGpu Gpu)
{
this.Gpu = Gpu;
UploadedKeys = new HashSet<long>[(int)NvGpuBufferType.Count];
for (int Index = 0; Index < UploadedKeys.Length; Index++)
{
UploadedKeys[Index] = new HashSet<long>();
}
ImageTypes = new Dictionary<long, ImageType>();
}
public void SendColorBuffer(NvGpuVmm Vmm, long Position, int Attachment, GalImage NewImage)
{
long Size = (uint)ImageUtils.GetSize(NewImage);
ImageTypes[Position] = ImageType.ColorBuffer;
if (!TryReuse(Vmm, Position, NewImage))
{
Gpu.Renderer.Texture.Create(Position, (int)Size, NewImage);
}
Gpu.Renderer.RenderTarget.BindColor(Position, Attachment);
}
public void SendZetaBuffer(NvGpuVmm Vmm, long Position, GalImage NewImage)
{
long Size = (uint)ImageUtils.GetSize(NewImage);
ImageTypes[Position] = ImageType.ZetaBuffer;
if (!TryReuse(Vmm, Position, NewImage))
{
Gpu.Renderer.Texture.Create(Position, (int)Size, NewImage);
}
Gpu.Renderer.RenderTarget.BindZeta(Position);
}
public void SendTexture(NvGpuVmm Vmm, long Position, GalImage NewImage)
{
PrepareSendTexture(Vmm, Position, NewImage);
ImageTypes[Position] = ImageType.Texture;
}
private void PrepareSendTexture(NvGpuVmm Vmm, long Position, GalImage NewImage)
{
long Size = ImageUtils.GetSize(NewImage);
bool SkipCheck = false;
if (ImageTypes.TryGetValue(Position, out ImageType OldType))
{
if (OldType == ImageType.ColorBuffer || OldType == ImageType.ZetaBuffer)
{
//Avoid data destruction
MemoryRegionModified(Vmm, Position, Size, NvGpuBufferType.Texture);
SkipCheck = true;
}
}
if (SkipCheck || !MemoryRegionModified(Vmm, Position, Size, NvGpuBufferType.Texture))
{
if (TryReuse(Vmm, Position, NewImage))
{
return;
}
}
byte[] Data = ImageUtils.ReadTexture(Vmm, NewImage, Position);
Gpu.Renderer.Texture.Create(Position, Data, NewImage);
}
private bool TryReuse(NvGpuVmm Vmm, long Position, GalImage NewImage)
{
if (Gpu.Renderer.Texture.TryGetImage(Position, out GalImage CachedImage) && CachedImage.SizeMatches(NewImage))
{
Gpu.Renderer.RenderTarget.Reinterpret(Position, NewImage);
return true;
}
return false;
}
public bool MemoryRegionModified(NvGpuVmm Vmm, long Position, long Size, NvGpuBufferType Type)
{
HashSet<long> Uploaded = UploadedKeys[(int)Type];
if (!Uploaded.Add(Position))
{
return false;
}
return Vmm.IsRegionModified(Position, Size, Type);
}
public void ClearPbCache()
{
for (int Index = 0; Index < UploadedKeys.Length; Index++)
{
UploadedKeys[Index].Clear();
}
}
public void ClearPbCache(NvGpuBufferType Type)
{
UploadedKeys[(int)Type].Clear();
}
}
}
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