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Send data to OpenGL host without client-side copies (#285)

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* Directly send host address to buffer data

* Cleanup OGLShader

* Directly copy vertex and index data too

* Revert shader bind "cache"

* Address feedback
This commit is contained in:
ReinUsesLisp 2018-07-19 16:02:51 -03:00 • committed by gdkchan
parent 45bb24dbae
commit 5fe0bc584b
8 changed files with 55 additions and 110 deletions
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93
Ryujinx.Graphics/Gal/OpenGL/OGLStreamBuffer.cs
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@ -1,9 +1,9 @@
using System;
using OpenTK.Graphics.OpenGL;
using System;
namespace Ryujinx.Graphics.Gal.OpenGL
{
abstract class OGLStreamBuffer : IDisposable
class OGLStreamBuffer : IDisposable
{
public int Handle { get; protected set; }
@ -11,53 +11,25 @@ namespace Ryujinx.Graphics.Gal.OpenGL
protected BufferTarget Target { get; private set; }
private bool Mapped = false;
public OGLStreamBuffer(BufferTarget Target, int MaxSize)
public OGLStreamBuffer(BufferTarget Target, int Size)
{
Handle = 0;
Mapped = false;
this.Target = Target;
this.Size = MaxSize;
this.Size = Size;
Handle = GL.GenBuffer();
GL.BindBuffer(Target, Handle);
GL.BufferData(Target, Size, IntPtr.Zero, BufferUsageHint.StreamDraw);
}
public static OGLStreamBuffer Create(BufferTarget Target, int MaxSize)
public void SetData(int Size, IntPtr HostAddress)
{
//TODO: Query here for ARB_buffer_storage and use when available
return new SubDataBuffer(Target, MaxSize);
GL.BindBuffer(Target, Handle);
GL.BufferSubData(Target, IntPtr.Zero, Size, HostAddress);
}
public byte[] Map(int Size)
{
if (Handle == 0 || Mapped || Size > this.Size)
{
throw new InvalidOperationException();
}
byte[] Memory = InternMap(Size);
Mapped = true;
return Memory;
}
public void Unmap(int UsedSize)
{
if (Handle == 0 || !Mapped)
{
throw new InvalidOperationException();
}
InternUnmap(UsedSize);
Mapped = false;
}
protected abstract byte[] InternMap(int Size);
protected abstract void InternUnmap(int UsedSize);
public void Dispose()
{
Dispose(true);
@ -73,41 +45,4 @@ namespace Ryujinx.Graphics.Gal.OpenGL
}
}
}
class SubDataBuffer : OGLStreamBuffer
{
private byte[] Memory;
public SubDataBuffer(BufferTarget Target, int MaxSize)
: base(Target, MaxSize)
{
Memory = new byte[MaxSize];
GL.GenBuffers(1, out int Handle);
GL.BindBuffer(Target, Handle);
GL.BufferData(Target, Size, IntPtr.Zero, BufferUsageHint.StreamDraw);
this.Handle = Handle;
}
protected override byte[] InternMap(int Size)
{
return Memory;
}
protected override void InternUnmap(int UsedSize)
{
GL.BindBuffer(Target, Handle);
unsafe
{
fixed (byte* MemoryPtr = Memory)
{
GL.BufferSubData(Target, IntPtr.Zero, UsedSize, (IntPtr)MemoryPtr);
}
}
}
}
}