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using OpenTK.Graphics.OpenGL;
using System;
namespace Ryujinx.Graphics.Gal.OpenGL
{
class OglConstBuffer : IGalConstBuffer
{
private const long MaxConstBufferCacheSize = 64 * 1024 * 1024;
private OglCachedResource<OglStreamBuffer> _cache;
public OglConstBuffer()
{
_cache = new OglCachedResource<OglStreamBuffer>(DeleteBuffer, MaxConstBufferCacheSize);
}
public void LockCache()
{
_cache.Lock();
}
public void UnlockCache()
{
_cache.Unlock();
}
public void Create(long key, long size)
{
OglStreamBuffer buffer = new OglStreamBuffer(BufferTarget.UniformBuffer, size);
_cache.AddOrUpdate(key, buffer, size);
}
public bool IsCached(long key, long size)
{
return _cache.TryGetSize(key, out long cachedSize) && cachedSize == size;
}
public void SetData(long key, long size, IntPtr hostAddress)
{
if (_cache.TryGetValue(key, out OglStreamBuffer buffer))
{
buffer.SetData(size, hostAddress);
}
}
public void SetData(long key, byte[] data)
{
if (_cache.TryGetValue(key, out OglStreamBuffer buffer))
{
buffer.SetData(data);
}
}
public bool TryGetUbo(long key, out int uboHandle)
{
if (_cache.TryGetValue(key, out OglStreamBuffer buffer))
{
uboHandle = buffer.Handle;
return true;
}
uboHandle = 0;
return false;
}
private static void DeleteBuffer(OglStreamBuffer buffer)
{
buffer.Dispose();
}
}
}
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