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Implement BGRA texture support (#1418)

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* Implement BGRA texture support

* Missing AppendLine

* Remove empty lines

* Address PR feedback
This commit is contained in:
gdkchan 2020-07-26 00:03:40 -03:00 • committed by GitHub
parent 2678bf0010
commit 8dbcae1ff8
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GPG key ID: 4AEE18F83AFDEB23
14 changed files with 232 additions and 61 deletions
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2
Ryujinx.Graphics.OpenGL/Image/TextureBase.cs
View file

@ -8,7 +8,7 @@ namespace Ryujinx.Graphics.OpenGL.Image
{
public int Handle { get; protected set; }
protected TextureCreateInfo Info { get; }
public TextureCreateInfo Info { get; }
public int Width { get; }
public int Height { get; }

65
Ryujinx.Graphics.OpenGL/Image/TextureCopy.cs
View file

@ -11,6 +11,9 @@ namespace Ryujinx.Graphics.OpenGL.Image
private int _srcFramebuffer;
private int _dstFramebuffer;
private int _copyPboHandle;
private int _copyPboSize;
public TextureCopy(Renderer renderer)
{
_renderer = renderer;
@ -23,12 +26,14 @@ namespace Ryujinx.Graphics.OpenGL.Image
Extents2D dstRegion,
bool linearFilter)
{
TextureView srcConverted = src.Format.IsBgra8() != dst.Format.IsBgra8() ? BgraSwap(src) : src;
(int oldDrawFramebufferHandle, int oldReadFramebufferHandle) = ((Pipeline)_renderer.Pipeline).GetBoundFramebuffers();
GL.BindFramebuffer(FramebufferTarget.ReadFramebuffer, GetSrcFramebufferLazy());
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, GetDstFramebufferLazy());
Attach(FramebufferTarget.ReadFramebuffer, src.Format, src.Handle);
Attach(FramebufferTarget.ReadFramebuffer, src.Format, srcConverted.Handle);
Attach(FramebufferTarget.DrawFramebuffer, dst.Format, dst.Handle);
ClearBufferMask mask = GetMask(src.Format);
@ -68,6 +73,11 @@ namespace Ryujinx.Graphics.OpenGL.Image
((Pipeline)_renderer.Pipeline).RestoreScissor0Enable();
((Pipeline)_renderer.Pipeline).RestoreRasterizerDiscard();
if (srcConverted != src)
{
srcConverted.Dispose();
}
}
private static void Attach(FramebufferTarget target, Format format, int handle)
@ -117,6 +127,52 @@ namespace Ryujinx.Graphics.OpenGL.Image
format == Format.D32Float;
}
public TextureView BgraSwap(TextureView from)
{
TextureView to = (TextureView)_renderer.CreateTexture(from.Info, 1f);
EnsurePbo(from);
GL.BindBuffer(BufferTarget.PixelPackBuffer, _copyPboHandle);
from.WriteToPbo(0, forceBgra: true);
GL.BindBuffer(BufferTarget.PixelPackBuffer, 0);
GL.BindBuffer(BufferTarget.PixelUnpackBuffer, _copyPboHandle);
to.ReadFromPbo(0, _copyPboSize);
GL.BindBuffer(BufferTarget.PixelUnpackBuffer, 0);
return to;
}
private void EnsurePbo(TextureView view)
{
int requiredSize = 0;
for (int level = 0; level < view.Info.Levels; level++)
{
requiredSize += view.Info.GetMipSize(level);
}
if (_copyPboSize < requiredSize && _copyPboHandle != 0)
{
GL.DeleteBuffer(_copyPboHandle);
_copyPboHandle = 0;
}
if (_copyPboHandle == 0)
{
_copyPboHandle = GL.GenBuffer();
_copyPboSize = requiredSize;
GL.BindBuffer(BufferTarget.PixelPackBuffer, _copyPboHandle);
GL.BufferData(BufferTarget.PixelPackBuffer, requiredSize, IntPtr.Zero, BufferUsageHint.DynamicCopy);
}
}
private int GetSrcFramebufferLazy()
{
if (_srcFramebuffer == 0)
@ -152,6 +208,13 @@ namespace Ryujinx.Graphics.OpenGL.Image
_dstFramebuffer = 0;
}
if (_copyPboHandle != 0)
{
GL.DeleteBuffer(_copyPboHandle);
_copyPboHandle = 0;
}
}
}
}

44
Ryujinx.Graphics.OpenGL/Image/TextureView.cs
View file

@ -72,6 +72,15 @@ namespace Ryujinx.Graphics.OpenGL.Image
(int)Info.SwizzleA.Convert()
};
if (Info.Format.IsBgra8())
{
// Swap B <-> R for BGRA formats, as OpenGL has no support for them
// and we need to manually swap the components on read/write on the GPU.
int temp = swizzleRgba[0];
swizzleRgba[0] = swizzleRgba[2];
swizzleRgba[2] = temp;
}
GL.TexParameter(target, TextureParameterName.TextureSwizzleRgba, swizzleRgba);
int maxLevel = Info.Levels - 1;
@ -189,7 +198,12 @@ namespace Ryujinx.Graphics.OpenGL.Image
return data;
}
private void WriteTo(IntPtr ptr)
public void WriteToPbo(int offset, bool forceBgra)
{
WriteTo(IntPtr.Zero + offset, forceBgra);
}
private void WriteTo(IntPtr data, bool forceBgra = false)
{
TextureTarget target = Target.Convert();
@ -197,6 +211,14 @@ namespace Ryujinx.Graphics.OpenGL.Image
FormatInfo format = FormatTable.GetFormatInfo(Info.Format);
PixelFormat pixelFormat = format.PixelFormat;
PixelType pixelType = format.PixelType;
if (forceBgra)
{
pixelFormat = PixelFormat.Bgra;
}
int faces = 1;
if (target == TextureTarget.TextureCubeMap)
@ -214,20 +236,15 @@ namespace Ryujinx.Graphics.OpenGL.Image
if (format.IsCompressed)
{
GL.GetCompressedTexImage(target + face, level, ptr + faceOffset);
GL.GetCompressedTexImage(target + face, level, data + faceOffset);
}
else
{
GL.GetTexImage(
target + face,
level,
format.PixelFormat,
format.PixelType,
ptr + faceOffset);
GL.GetTexImage(target + face, level, pixelFormat, pixelType, data + faceOffset);
}
}
ptr += Info.GetMipSize(level);
data += Info.GetMipSize(level);
}
}
@ -237,12 +254,17 @@ namespace Ryujinx.Graphics.OpenGL.Image
{
fixed (byte* ptr = data)
{
SetData((IntPtr)ptr, data.Length);
ReadFrom((IntPtr)ptr, data.Length);
}
}
}
private void SetData(IntPtr data, int size)
public void ReadFromPbo(int offset, int size)
{
ReadFrom(IntPtr.Zero + offset, size);
}
private void ReadFrom(IntPtr data, int size)
{
TextureTarget target = Target.Convert();