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Avoid some redundant GL calls (#1958)

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gdkchan 2021-01-26 18:44:07 -03:00 • committed by GitHub
parent d6bd0470fb
commit caf049ed15
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6 changed files with 115 additions and 51 deletions
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88
Ryujinx.Graphics.OpenGL/VertexArray.cs
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@ -1,6 +1,7 @@
using OpenTK.Graphics.OpenGL;
using Ryujinx.Graphics.GAL;
using System;
using System.Runtime.CompilerServices;
namespace Ryujinx.Graphics.OpenGL
{
@ -16,6 +17,9 @@ namespace Ryujinx.Graphics.OpenGL
private int _vertexAttribsCount;
private int _vertexBuffersCount;
private uint _vertexAttribsInUse;
private uint _vertexBuffersInUse;
public VertexArray()
{
Handle = GL.GenVertexArray();
@ -31,30 +35,30 @@ namespace Ryujinx.Graphics.OpenGL
public void SetVertexBuffers(ReadOnlySpan<VertexBufferDescriptor> vertexBuffers)
{
int bindingIndex = 0;
for (int index = 0; index < vertexBuffers.Length; index++)
int bindingIndex;
for (bindingIndex = 0; bindingIndex < vertexBuffers.Length; bindingIndex++)
{
VertexBufferDescriptor vb = vertexBuffers[index];
VertexBufferDescriptor vb = vertexBuffers[bindingIndex];
if (vb.Buffer.Handle != BufferHandle.Null)
{
GL.BindVertexBuffer(bindingIndex, vb.Buffer.Handle.ToInt32(), (IntPtr)vb.Buffer.Offset, vb.Stride);
GL.VertexBindingDivisor(bindingIndex, vb.Divisor);
_vertexBuffersInUse |= 1u << bindingIndex;
}
else
{
GL.BindVertexBuffer(bindingIndex, 0, IntPtr.Zero, 0);
if ((_vertexBuffersInUse & (1u << bindingIndex)) != 0)
{
GL.BindVertexBuffer(bindingIndex, 0, IntPtr.Zero, 0);
_vertexBuffersInUse &= ~(1u << bindingIndex);
}
}
_vertexBuffers[index] = vb;
bindingIndex++;
_vertexBuffers[bindingIndex] = vb;
}
_vertexBuffersCount = bindingIndex;
_needsAttribsUpdate = true;
}
@ -66,17 +70,22 @@ namespace Ryujinx.Graphics.OpenGL
{
VertexAttribDescriptor attrib = vertexAttribs[index];
if (attrib.Equals(_vertexAttribs[index]))
{
continue;
}
FormatInfo fmtInfo = FormatTable.GetFormatInfo(attrib.Format);
if (attrib.IsZero)
{
// Disabling the attribute causes the shader to read a constant value.
// The value is configurable, but by default is a vector of (0, 0, 0, 1).
GL.DisableVertexAttribArray(index);
DisableVertexAttrib(index);
}
else
{
GL.EnableVertexAttribArray(index);
EnableVertexAttrib(index);
}
int offset = attrib.Offset;
@ -107,7 +116,7 @@ namespace Ryujinx.Graphics.OpenGL
for (; index < Constants.MaxVertexAttribs; index++)
{
GL.DisableVertexAttribArray(index);
DisableVertexAttrib(index);
}
}
@ -122,29 +131,54 @@ namespace Ryujinx.Graphics.OpenGL
{
VertexAttribDescriptor attrib = _vertexAttribs[attribIndex];
if ((uint)attrib.BufferIndex >= _vertexBuffersCount)
if (!attrib.IsZero)
{
GL.DisableVertexAttribArray(attribIndex);
if ((uint)attrib.BufferIndex >= _vertexBuffersCount)
{
DisableVertexAttrib(attribIndex);
continue;
}
continue;
}
if (_vertexBuffers[attrib.BufferIndex].Buffer.Handle == BufferHandle.Null)
{
DisableVertexAttrib(attribIndex);
continue;
}
if (_vertexBuffers[attrib.BufferIndex].Buffer.Handle == BufferHandle.Null)
{
GL.DisableVertexAttribArray(attribIndex);
continue;
}
if (_needsAttribsUpdate && !attrib.IsZero)
{
GL.EnableVertexAttribArray(attribIndex);
if (_needsAttribsUpdate)
{
EnableVertexAttrib(attribIndex);
}
}
}
_needsAttribsUpdate = false;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private void EnableVertexAttrib(int index)
{
uint mask = 1u << index;
if ((_vertexAttribsInUse & mask) == 0)
{
_vertexAttribsInUse |= mask;
GL.EnableVertexAttribArray(index);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private void DisableVertexAttrib(int index)
{
uint mask = 1u << index;
if ((_vertexAttribsInUse & mask) != 0)
{
_vertexAttribsInUse &= ~mask;
GL.DisableVertexAttribArray(index);
}
}
public void Dispose()
{
if (Handle != 0)