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Fix wrong face culling once and for all (#1277)

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* Viewport swizzle support on NV and clip origin

* Initialize default viewport swizzle state, emulate viewport swizzle on shaders when not supported

* Address PR feedback
This commit is contained in:
gdkchan 2020-05-27 20:03:07 -03:00 • committed by GitHub
parent 83d94b21d0
commit a15b951721
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16 changed files with 202 additions and 53 deletions
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28
Ryujinx.Graphics.OpenGL/Pipeline.cs
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@ -650,6 +650,13 @@ namespace Ryujinx.Graphics.OpenGL
_vertexArray.SetIndexBuffer(buffer.Handle);
}
public void SetOrigin(Origin origin)
{
ClipOrigin clipOrigin = origin == Origin.UpperLeft ? ClipOrigin.UpperLeft : ClipOrigin.LowerLeft;
SetOrigin(clipOrigin);
}
public void SetPointSize(float size)
{
GL.PointSize(size);
@ -854,8 +861,6 @@ namespace Ryujinx.Graphics.OpenGL
public void SetViewports(int first, ReadOnlySpan<Viewport> viewports)
{
bool flipY = false;
float[] viewportArray = new float[viewports.Length * 4];
double[] depthRangeArray = new double[viewports.Length * 2];
@ -869,17 +874,14 @@ namespace Ryujinx.Graphics.OpenGL
viewportArray[viewportElemIndex + 0] = viewport.Region.X;
viewportArray[viewportElemIndex + 1] = viewport.Region.Y;
// OpenGL does not support per-viewport flipping, so
// instead we decide that based on the viewport 0 value.
// It will apply to all viewports.
if (index == 0)
if (HwCapabilities.SupportsViewportSwizzle)
{
flipY = viewport.Region.Height < 0;
}
if (viewport.SwizzleY == ViewportSwizzle.NegativeY)
{
flipY = !flipY;
GL.NV.ViewportSwizzle(
index,
viewport.SwizzleX.Convert(),
viewport.SwizzleY.Convert(),
viewport.SwizzleZ.Convert(),
viewport.SwizzleW.Convert());
}
viewportArray[viewportElemIndex + 2] = MathF.Abs(viewport.Region.Width);
@ -892,8 +894,6 @@ namespace Ryujinx.Graphics.OpenGL
GL.ViewportArray(first, viewports.Length, viewportArray);
GL.DepthRangeArray(first, viewports.Length, depthRangeArray);
SetOrigin(flipY ? ClipOrigin.UpperLeft : ClipOrigin.LowerLeft);
}
public void TextureBarrier()