mirror of
https://github.com/Ryujinx/Ryujinx.git
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75 lines
2 KiB
C#
75 lines
2 KiB
C#
using OpenTK.Graphics.OpenGL;
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using Ryujinx.Graphics.GAL;
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using System;
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namespace Ryujinx.Graphics.OpenGL
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{
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class Buffer : IBuffer
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{
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public int Handle { get; }
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public Buffer(int size)
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{
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Handle = GL.GenBuffer();
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GL.BindBuffer(BufferTarget.CopyWriteBuffer, Handle);
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GL.BufferData(BufferTarget.CopyWriteBuffer, size, IntPtr.Zero, BufferUsageHint.DynamicDraw);
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}
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public void CopyTo(IBuffer destination, int srcOffset, int dstOffset, int size)
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{
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GL.BindBuffer(BufferTarget.CopyReadBuffer, Handle);
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GL.BindBuffer(BufferTarget.CopyWriteBuffer, ((Buffer)destination).Handle);
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GL.CopyBufferSubData(
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BufferTarget.CopyReadBuffer,
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BufferTarget.CopyWriteBuffer,
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(IntPtr)srcOffset,
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(IntPtr)dstOffset,
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(IntPtr)size);
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}
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public byte[] GetData(int offset, int size)
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{
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GL.BindBuffer(BufferTarget.CopyReadBuffer, Handle);
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byte[] data = new byte[size];
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GL.GetBufferSubData(BufferTarget.CopyReadBuffer, (IntPtr)offset, size, data);
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return data;
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}
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public void SetData(ReadOnlySpan<byte> data)
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{
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unsafe
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{
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GL.BindBuffer(BufferTarget.CopyWriteBuffer, Handle);
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fixed (byte* ptr = data)
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{
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GL.BufferData(BufferTarget.CopyWriteBuffer, data.Length, (IntPtr)ptr, BufferUsageHint.DynamicDraw);
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}
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}
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}
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public void SetData(int offset, ReadOnlySpan<byte> data)
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{
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GL.BindBuffer(BufferTarget.CopyWriteBuffer, Handle);
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unsafe
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{
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fixed (byte* ptr = data)
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{
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GL.BufferSubData(BufferTarget.CopyWriteBuffer, (IntPtr)offset, data.Length, (IntPtr)ptr);
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}
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}
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}
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public void Dispose()
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{
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GL.DeleteBuffer(Handle);
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}
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}
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}
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