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62 lines
1.8 KiB
C#
62 lines
1.8 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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static class Buffer
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{
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public static BufferHandle Create(int size)
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{
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int 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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return Handle.FromInt32<BufferHandle>(handle);
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}
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public static void Copy(BufferHandle source, BufferHandle destination, int srcOffset, int dstOffset, int size)
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{
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GL.BindBuffer(BufferTarget.CopyReadBuffer, source.ToInt32());
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GL.BindBuffer(BufferTarget.CopyWriteBuffer, destination.ToInt32());
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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 static byte[] GetData(BufferHandle buffer, int offset, int size)
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{
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GL.BindBuffer(BufferTarget.CopyReadBuffer, buffer.ToInt32());
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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 static void SetData(BufferHandle buffer, int offset, ReadOnlySpan<byte> data)
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{
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GL.BindBuffer(BufferTarget.CopyWriteBuffer, buffer.ToInt32());
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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 static void Delete(BufferHandle buffer)
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{
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GL.DeleteBuffer(buffer.ToInt32());
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}
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}
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}
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