R/Ryujinx.Graphics.OpenGL/TextureBuffer.cs
gdkchan 3cb1fa0e85
Implement texture buffers (#1152)
* Implement texture buffers

* Throw NotSupportedException where appropriate
2020-04-25 23:02:18 +10:00

71 lines
1.9 KiB
C#

using OpenTK.Graphics.OpenGL;
using Ryujinx.Graphics.GAL;
using System;
namespace Ryujinx.Graphics.OpenGL
{
class TextureBuffer : TextureBase, ITexture
{
private int _bufferOffset;
private int _bufferSize;
private Buffer _buffer;
public TextureBuffer(TextureCreateInfo info) : base(info) {}
public void CopyTo(ITexture destination, int firstLayer, int firstLevel)
{
throw new NotSupportedException();
}
public void CopyTo(ITexture destination, Extents2D srcRegion, Extents2D dstRegion, bool linearFilter)
{
throw new NotSupportedException();
}
public ITexture CreateView(TextureCreateInfo info, int firstLayer, int firstLevel)
{
throw new NotSupportedException();
}
public byte[] GetData()
{
return _buffer?.GetData(_bufferOffset, _bufferSize);
}
public void SetData(ReadOnlySpan<byte> data)
{
_buffer?.SetData(_bufferOffset, data.Slice(0, Math.Min(data.Length, _bufferSize)));
}
public void SetStorage(BufferRange buffer)
{
if (buffer.Buffer == _buffer &&
buffer.Offset == _bufferOffset &&
buffer.Size == _bufferSize)
{
return;
}
_buffer = (Buffer)buffer.Buffer;
_bufferOffset = buffer.Offset;
_bufferSize = buffer.Size;
Bind(0);
SizedInternalFormat format = (SizedInternalFormat)FormatTable.GetFormatInfo(Info.Format).PixelInternalFormat;
GL.TexBufferRange(TextureBufferTarget.TextureBuffer, format, _buffer.Handle, (IntPtr)buffer.Offset, buffer.Size);
}
public void Dispose()
{
if (Handle != 0)
{
GL.DeleteTexture(Handle);
Handle = 0;
}
}
}
}