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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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19
Ryujinx.Graphics.GAL/Format.cs
View file

@ -230,6 +230,25 @@ namespace Ryujinx.Graphics.GAL
return false;
}
/// <summary>
/// Checks if the texture format is a BGRA format with 8-bit components.
/// </summary>
/// <param name="format">Texture format</param>
/// <returns>True if the texture format is a BGRA format with 8-bit components, false otherwise</returns>
public static bool IsBgra8(this Format format)
{
switch (format)
{
case Format.B8G8R8X8Unorm:
case Format.B8G8R8A8Unorm:
case Format.B8G8R8X8Srgb:
case Format.B8G8R8A8Srgb:
return true;
}
return false;
}
/// <summary>
/// Checks if the texture format is a depth, stencil or depth-stencil format.
/// </summary>

8
Ryujinx.Graphics.OpenGL/FormatTable.cs
View file

@ -164,10 +164,10 @@ namespace Ryujinx.Graphics.OpenGL
Add(Format.B5G5R5X1Unorm, new FormatInfo(4, true, false, All.Rgb5, PixelFormat.Bgra, PixelType.UnsignedShort5551));
Add(Format.B5G5R5A1Unorm, new FormatInfo(4, true, false, All.Rgb5A1, PixelFormat.Bgra, PixelType.UnsignedShort5551));
Add(Format.A1B5G5R5Unorm, new FormatInfo(4, true, false, All.Rgb5A1, PixelFormat.Bgra, PixelType.UnsignedShort1555Reversed));
Add(Format.B8G8R8X8Unorm, new FormatInfo(4, true, false, All.Rgba8, PixelFormat.Bgra, PixelType.UnsignedByte));
Add(Format.B8G8R8A8Unorm, new FormatInfo(4, true, false, All.Rgba8, PixelFormat.Bgra, PixelType.UnsignedByte));
Add(Format.B8G8R8X8Srgb, new FormatInfo(4, false, false, All.Srgb8, PixelFormat.BgraInteger, PixelType.UnsignedByte));
Add(Format.B8G8R8A8Srgb, new FormatInfo(4, false, false, All.Srgb8Alpha8, PixelFormat.BgraInteger, PixelType.UnsignedByte));
Add(Format.B8G8R8X8Unorm, new FormatInfo(4, true, false, All.Rgba8, PixelFormat.Rgba, PixelType.UnsignedByte));
Add(Format.B8G8R8A8Unorm, new FormatInfo(4, true, false, All.Rgba8, PixelFormat.Rgba, PixelType.UnsignedByte));
Add(Format.B8G8R8X8Srgb, new FormatInfo(4, false, false, All.Srgb8, PixelFormat.Rgba, PixelType.UnsignedByte));
Add(Format.B8G8R8A8Srgb, new FormatInfo(4, false, false, All.Srgb8Alpha8, PixelFormat.Rgba, PixelType.UnsignedByte));
}
private static void Add(Format format, FormatInfo info)

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();

65
Ryujinx.Graphics.OpenGL/Pipeline.cs
View file

@ -31,6 +31,7 @@ namespace Ryujinx.Graphics.OpenGL
private int _boundDrawFramebuffer;
private int _boundReadFramebuffer;
private int[] _fpIsBgra = new int[8];
private float[] _fpRenderScale = new float[33];
private float[] _cpRenderScale = new float[32];
@ -765,6 +766,7 @@ namespace Ryujinx.Graphics.OpenGL
_program.Bind();
}
UpdateFpIsBgra();
SetRenderTargetScale(_fpRenderScale[0]);
}
@ -814,12 +816,15 @@ namespace Ryujinx.Graphics.OpenGL
TextureView color = (TextureView)colors[index];
_framebuffer.AttachColor(index, color);
_fpIsBgra[index] = color != null && color.Format.IsBgra8() ? 1 : 0;
}
UpdateFpIsBgra();
TextureView depthStencilView = (TextureView)depthStencil;
_framebuffer.AttachDepthStencil(depthStencilView);
_framebuffer.SetDrawBuffers(colors.Length);
_hasDepthBuffer = depthStencil != null && depthStencilView.Format != Format.S8Uint;
@ -938,7 +943,9 @@ namespace Ryujinx.Graphics.OpenGL
if (activeTarget != null && activeTarget.Width / (float)texture.Width == activeTarget.Height / (float)texture.Height)
{
// If the texture's size is a multiple of the sampler size, enable interpolation using gl_FragCoord. (helps "invent" new integer values between scaled pixels)
// If the texture's size is a multiple of the sampler size,
// enable interpolation using gl_FragCoord.
// (helps "invent" new integer values between scaled pixels)
interpolate = true;
}
}
@ -1112,6 +1119,14 @@ namespace Ryujinx.Graphics.OpenGL
return (_boundDrawFramebuffer, _boundReadFramebuffer);
}
private void UpdateFpIsBgra()
{
if (_program != null)
{
GL.Uniform1(_program.FragmentIsBgraUniform, 8, _fpIsBgra);
}
}
private void UpdateDepthTest()
{
// Enabling depth operations is only valid when we have
@ -1137,6 +1152,29 @@ namespace Ryujinx.Graphics.OpenGL
}
}
public void UpdateRenderScale(ShaderStage stage, int textureCount)
{
if (_program != null)
{
switch (stage)
{
case ShaderStage.Fragment:
if (_program.FragmentRenderScaleUniform != -1)
{
GL.Uniform1(_program.FragmentRenderScaleUniform, textureCount + 1, _fpRenderScale);
}
break;
case ShaderStage.Compute:
if (_program.ComputeRenderScaleUniform != -1)
{
GL.Uniform1(_program.ComputeRenderScaleUniform, textureCount, _cpRenderScale);
}
break;
}
}
}
private void PrepareForDispatch()
{
if (_unit0Texture != null)
@ -1230,28 +1268,5 @@ namespace Ryujinx.Graphics.OpenGL
_framebuffer?.Dispose();
_vertexArray?.Dispose();
}
public void UpdateRenderScale(ShaderStage stage, int textureCount)
{
if (_program != null)
{
switch (stage)
{
case ShaderStage.Fragment:
if (_program.FragmentRenderScaleUniform != -1)
{
GL.Uniform1(_program.FragmentRenderScaleUniform, textureCount + 1, _fpRenderScale);
}
break;
case ShaderStage.Compute:
if (_program.ComputeRenderScaleUniform != -1)
{
GL.Uniform1(_program.ComputeRenderScaleUniform, textureCount, _cpRenderScale);
}
break;
}
}
}
}
}

2
Ryujinx.Graphics.OpenGL/Program.cs
View file

@ -25,6 +25,7 @@ namespace Ryujinx.Graphics.OpenGL
public int Handle { get; private set; }
public int FragmentIsBgraUniform { get; }
public int FragmentRenderScaleUniform { get; }
public int ComputeRenderScaleUniform { get; }
@ -218,6 +219,7 @@ namespace Ryujinx.Graphics.OpenGL
}
}
FragmentIsBgraUniform = GL.GetUniformLocation(Handle, "is_bgra");
FragmentRenderScaleUniform = GL.GetUniformLocation(Handle, "fp_renderScale");
ComputeRenderScaleUniform = GL.GetUniformLocation(Handle, "cp_renderScale");
}

9
Ryujinx.Graphics.OpenGL/Window.cs
View file

@ -51,10 +51,12 @@ namespace Ryujinx.Graphics.OpenGL
GL.BindFramebuffer(FramebufferTarget.DrawFramebuffer, drawFramebuffer);
GL.BindFramebuffer(FramebufferTarget.ReadFramebuffer, readFramebuffer);
TextureView viewConverted = view.Format.IsBgra8() ? _renderer.TextureCopy.BgraSwap(view) : view;
GL.FramebufferTexture(
FramebufferTarget.ReadFramebuffer,
FramebufferAttachment.ColorAttachment0,
view.Handle,
viewConverted.Handle,
0);
GL.ReadBuffer(ReadBufferMode.ColorAttachment0);
@ -138,6 +140,11 @@ namespace Ryujinx.Graphics.OpenGL
((Pipeline)_renderer.Pipeline).RestoreScissor0Enable();
((Pipeline)_renderer.Pipeline).RestoreRasterizerDiscard();
if (viewConverted != view)
{
viewConverted.Dispose();
}
}
private int GetCopyFramebufferHandleLazy()

6
Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
View file

@ -139,6 +139,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
if (context.Config.Stage == ShaderStage.Fragment || context.Config.Stage == ShaderStage.Compute)
{
if (context.Config.Stage == ShaderStage.Fragment)
{
context.AppendLine($"uniform bool {DefaultNames.IsBgraName}[8];");
context.AppendLine();
}
if (DeclareRenderScale(context))
{
context.AppendLine();

2
Ryujinx.Graphics.Shader/CodeGen/Glsl/DefaultNames.cs
View file

@ -23,5 +23,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
public const string SharedMemoryName = "shared_mem";
public const string UndefinedName = "undef";
public const string IsBgraName = "is_bgra";
}
}

16
Ryujinx.Graphics.Shader/CodeGen/Glsl/OperandManager.cs
View file

@ -64,6 +64,16 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{ AttributeConsts.GtMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupGtMaskARB).x", VariableType.U32) },
{ AttributeConsts.LeMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupLeMaskARB).x", VariableType.U32) },
{ AttributeConsts.LtMask, new BuiltInAttribute("unpackUint2x32(gl_SubGroupLtMaskARB).x", VariableType.U32) },
// Support uniforms.
{ AttributeConsts.FragmentOutputIsBgraBase + 0, new BuiltInAttribute($"{DefaultNames.IsBgraName}[0]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 4, new BuiltInAttribute($"{DefaultNames.IsBgraName}[1]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 8, new BuiltInAttribute($"{DefaultNames.IsBgraName}[2]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 12, new BuiltInAttribute($"{DefaultNames.IsBgraName}[3]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 16, new BuiltInAttribute($"{DefaultNames.IsBgraName}[4]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 20, new BuiltInAttribute($"{DefaultNames.IsBgraName}[5]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 24, new BuiltInAttribute($"{DefaultNames.IsBgraName}[6]", VariableType.Bool) },
{ AttributeConsts.FragmentOutputIsBgraBase + 28, new BuiltInAttribute($"{DefaultNames.IsBgraName}[7]", VariableType.Bool) }
};
private Dictionary<AstOperand, string> _locals;
@ -149,8 +159,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
char swzMask = GetSwizzleMask((value >> 2) & 3);
if (value >= AttributeConsts.UserAttributeBase &&
value < AttributeConsts.UserAttributeEnd)
if (value >= AttributeConsts.UserAttributeBase && value < AttributeConsts.UserAttributeEnd)
{
value -= AttributeConsts.UserAttributeBase;
@ -169,8 +178,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
}
else
{
if (value >= AttributeConsts.FragmentOutputColorBase &&
value < AttributeConsts.FragmentOutputColorEnd)
if (value >= AttributeConsts.FragmentOutputColorBase && value < AttributeConsts.FragmentOutputColorEnd)
{
value -= AttributeConsts.FragmentOutputColorBase;

3
Ryujinx.Graphics.Shader/Translation/AttributeConsts.cs
View file

@ -35,6 +35,9 @@ namespace Ryujinx.Graphics.Shader.Translation
public const int FragmentOutputColorBase = 0x1000010;
public const int FragmentOutputColorEnd = FragmentOutputColorBase + 8 * 16;
public const int FragmentOutputIsBgraBase = 0x1000100;
public const int FragmentOutputIsBgraEnd = FragmentOutputIsBgraBase + 8 * 4;
public const int ThreadIdX = 0x2000000;
public const int ThreadIdY = 0x2000004;
public const int ThreadIdZ = 0x2000008;

44
Ryujinx.Graphics.Shader/Translation/EmitterContext.cs
View file

@ -115,22 +115,46 @@ namespace Ryujinx.Graphics.Shader.Translation
int regIndex = 0;
for (int attachment = 0; attachment < 8; attachment++)
for (int rtIndex = 0; rtIndex < 8; rtIndex++)
{
OmapTarget target = Config.OmapTargets[attachment];
OmapTarget target = Config.OmapTargets[rtIndex];
for (int component = 0; component < 4; component++)
{
if (target.ComponentEnabled(component))
if (!target.ComponentEnabled(component))
{
Operand dest = Attribute(AttributeConsts.FragmentOutputColorBase + attachment * 16 + component * 4);
Operand src = Register(regIndex, RegisterType.Gpr);
this.Copy(dest, src);
regIndex++;
continue;
}
int fragmentOutputColorAttr = AttributeConsts.FragmentOutputColorBase + rtIndex * 16;
Operand src = Register(regIndex, RegisterType.Gpr);
// Perform B <-> R swap if needed, for BGRA formats (not supported on OpenGL).
if (component == 0 || component == 2)
{
Operand isBgra = Attribute(AttributeConsts.FragmentOutputIsBgraBase + rtIndex * 4);
Operand lblIsBgra = Label();
Operand lblEnd = Label();
this.BranchIfTrue(lblIsBgra, isBgra);
this.Copy(Attribute(fragmentOutputColorAttr + component * 4), src);
this.Branch(lblEnd);
MarkLabel(lblIsBgra);
this.Copy(Attribute(fragmentOutputColorAttr + (2 - component) * 4), src);
MarkLabel(lblEnd);
}
else
{
this.Copy(Attribute(fragmentOutputColorAttr + component * 4), src);
}
regIndex++;
}
}
}