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Use vector transform feedback outputs with fragment shaders (#4708)

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* Use vector transform feedback outputs with fragment shaders

* Shader cache version bump

* Fix missing outputs when vector transform feedback outputs are used
This commit is contained in:
gdkchan 2023-04-24 03:34:38 -03:00 committed by GitHub
parent 3f98369a17
commit 4dd77316f7
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 38 additions and 33 deletions
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2
Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
View file

@ -22,7 +22,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
private const ushort FileFormatVersionMajor = 1;
private const ushort FileFormatVersionMinor = 2;
private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor;
private const uint CodeGenVersion = 4703;
private const uint CodeGenVersion = 4707;
private const string SharedTocFileName = "shared.toc";
private const string SharedDataFileName = "shared.data";

2
Ryujinx.Graphics.Gpu/Shader/ShaderCache.cs
View file

@ -449,7 +449,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
if (translatorContexts[i] != null)
{
translatorContexts[i].SetGeometryShaderLayerInputAttribute(info.GpLayerInputAttribute);
translatorContexts[i].SetLastInVertexPipeline(translatorContexts[5] != null);
translatorContexts[i].SetLastInVertexPipeline();
break;
}
}

44
Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
View file

@ -569,7 +569,23 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
if (context.Config.TransformFeedbackEnabled && context.Config.Stage == ShaderStage.Fragment)
{
for (int c = 0; c < 4; c++)
int attrOffset = AttributeConsts.UserAttributeBase + attr * 16;
int components = context.Info.GetTransformFeedbackOutputComponents(attrOffset);
if (components > 1)
{
string type = components switch
{
2 => "vec2",
3 => "vec3",
4 => "vec4",
_ => "float"
};
context.AppendLine($"layout (location = {attr}) in {type} {name};");
}
for (int c = components > 1 ? components : 0; c < 4; c++)
{
char swzMask = "xyzw"[c];
@ -642,7 +658,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
if (context.Config.TransformFeedbackEnabled && context.Config.LastInVertexPipeline)
{
int attrOffset = AttributeConsts.UserAttributeBase + attr * 16;
int components = context.Config.LastInPipeline ? context.Info.GetTransformFeedbackOutputComponents(attrOffset) : 1;
int components = context.Info.GetTransformFeedbackOutputComponents(attrOffset);
if (components > 1)
{
@ -664,22 +680,20 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
context.AppendLine($"layout (location = {attr}{xfb}) out {type} {name};");
}
else
for (int c = components > 1 ? components : 0; c < 4; c++)
{
for (int c = 0; c < 4; c++)
char swzMask = "xyzw"[c];
string xfb = string.Empty;
var tfOutput = context.Info.GetTransformFeedbackOutput(attrOffset + c * 4);
if (tfOutput.Valid)
{
char swzMask = "xyzw"[c];
string xfb = string.Empty;
var tfOutput = context.Info.GetTransformFeedbackOutput(attrOffset + c * 4);
if (tfOutput.Valid)
{
xfb = $", xfb_buffer = {tfOutput.Buffer}, xfb_offset = {tfOutput.Offset}, xfb_stride = {tfOutput.Stride}";
}
context.AppendLine($"layout (location = {attr}, component = {c}{xfb}) out float {name}_{swzMask};");
xfb = $", xfb_buffer = {tfOutput.Buffer}, xfb_offset = {tfOutput.Offset}, xfb_stride = {tfOutput.Stride}";
}
context.AppendLine($"layout (location = {attr}, component = {c}{xfb}) out float {name}_{swzMask};");
}
}
else

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

@ -220,7 +220,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
((config.LastInVertexPipeline && isOutAttr) ||
(config.Stage == ShaderStage.Fragment && !isOutAttr)))
{
int components = config.LastInPipeline ? context.Info.GetTransformFeedbackOutputComponents(attrOffset) : 1;
int components = context.Info.GetTransformFeedbackOutputComponents(attrOffset);
string name = components > 1 ? $"{prefix}{(value >> 4)}" : $"{prefix}{(value >> 4)}_{swzMask}";
if (AttributeInfo.IsArrayAttributeGlsl(config.Stage, isOutAttr))

2
Ryujinx.Graphics.Shader/CodeGen/Spirv/CodeGenContext.cs
View file

@ -341,7 +341,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
attrOffset = attr;
type = elemType;
if (Config.LastInPipeline && isOutAttr)
if (isOutAttr)
{
int components = Info.GetTransformFeedbackOutputComponents(attr);

2
Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs
View file

@ -673,7 +673,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
int components = 1;
var type = attrInfo.Type & AggregateType.ElementTypeMask;
if (context.Config.LastInPipeline && isOutAttr)
if (isOutAttr)
{
components = context.Info.GetTransformFeedbackOutputComponents(attr);

2
Ryujinx.Graphics.Shader/StructuredIr/StructuredProgram.cs
View file

@ -65,7 +65,7 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
context.LeaveFunction();
}
if (config.TransformFeedbackEnabled && config.LastInVertexPipeline)
if (config.TransformFeedbackEnabled && (config.LastInVertexPipeline || config.Stage == ShaderStage.Fragment))
{
for (int tfbIndex = 0; tfbIndex < 4; tfbIndex++)
{

11
Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
View file

@ -17,7 +17,6 @@ namespace Ryujinx.Graphics.Shader.Translation
public ShaderStage Stage { get; }
public bool GpPassthrough { get; }
public bool LastInPipeline { get; private set; }
public bool LastInVertexPipeline { get; private set; }
public bool HasLayerInputAttribute { get; private set; }
@ -145,7 +144,6 @@ namespace Ryujinx.Graphics.Shader.Translation
OmapSampleMask = header.OmapSampleMask;
OmapDepth = header.OmapDepth;
TransformFeedbackEnabled = gpuAccessor.QueryTransformFeedbackEnabled();
LastInPipeline = true;
LastInVertexPipeline = header.Stage < ShaderStage.Fragment;
}
@ -253,13 +251,8 @@ namespace Ryujinx.Graphics.Shader.Translation
GpLayerInputAttribute = attr;
}
public void SetLastInVertexPipeline(bool hasFragment)
public void SetLastInVertexPipeline()
{
if (!hasFragment)
{
LastInPipeline = true;
}
LastInVertexPipeline = true;
}
@ -331,8 +324,6 @@ namespace Ryujinx.Graphics.Shader.Translation
config._perPatchAttributeLocations = locationsMap;
}
LastInPipeline = false;
// We don't consider geometry shaders using the geometry shader passthrough feature
// as being the last because when this feature is used, it can't actually modify any of the outputs,
// so the stage that comes before it is the last one that can do modifications.

4
Ryujinx.Graphics.Shader/Translation/TranslatorContext.cs
View file

@ -143,9 +143,9 @@ namespace Ryujinx.Graphics.Shader.Translation
_config.SetGeometryShaderLayerInputAttribute(attr);
}
public void SetLastInVertexPipeline(bool hasFragment)
public void SetLastInVertexPipeline()
{
_config.SetLastInVertexPipeline(hasFragment);
_config.SetLastInVertexPipeline();
}
public ShaderProgram Translate(TranslatorContext other = null)