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authorgdkchan <gab.dark.100@gmail.com>2021-10-18 18:38:04 -0300
committerGitHub <noreply@github.com>2021-10-18 18:38:04 -0300
commitd512ce122cb1c9a7fe7cb40d3f85d642ee37f897 (patch)
treebd20273250bf8066fa4df4b67c0de2ab9eac8092 /Ryujinx.Graphics.Shader/Translation/Translator.cs
parent7603dbe3c8b45c8563f320f17ce784151cb1f0a8 (diff)
Initial tessellation shader support (#2534)
* Initial tessellation shader support * Nits * Re-arrange built-in table * This is not needed anymore * PR feedback
Diffstat (limited to 'Ryujinx.Graphics.Shader/Translation/Translator.cs')
-rw-r--r--Ryujinx.Graphics.Shader/Translation/Translator.cs35
1 files changed, 23 insertions, 12 deletions
diff --git a/Ryujinx.Graphics.Shader/Translation/Translator.cs b/Ryujinx.Graphics.Shader/Translation/Translator.cs
index 0a0ee4a7..0243eba1 100644
--- a/Ryujinx.Graphics.Shader/Translation/Translator.cs
+++ b/Ryujinx.Graphics.Shader/Translation/Translator.cs
@@ -216,27 +216,38 @@ namespace Ryujinx.Graphics.Shader.Translation
return;
}
- void InitializeOutput(int baseAttr)
+ if (config.Stage == ShaderStage.Vertex)
{
- for (int c = 0; c < 4; c++)
- {
- context.Copy(Attribute(baseAttr + c * 4), ConstF(c == 3 ? 1f : 0f));
- }
+ InitializeOutput(context, AttributeConsts.PositionX, perPatch: false);
}
- if (config.Stage == ShaderStage.Vertex)
+ int usedAttributes = context.Config.UsedOutputAttributes;
+ while (usedAttributes != 0)
{
- InitializeOutput(AttributeConsts.PositionX);
+ int index = BitOperations.TrailingZeroCount(usedAttributes);
+
+ InitializeOutput(context, AttributeConsts.UserAttributeBase + index * 16, perPatch: false);
+
+ usedAttributes &= ~(1 << index);
}
- int usedAttribtes = context.Config.UsedOutputAttributes;
- while (usedAttribtes != 0)
+ int usedAttributesPerPatch = context.Config.UsedOutputAttributesPerPatch;
+ while (usedAttributesPerPatch != 0)
{
- int index = BitOperations.TrailingZeroCount(usedAttribtes);
+ int index = BitOperations.TrailingZeroCount(usedAttributesPerPatch);
- InitializeOutput(AttributeConsts.UserAttributeBase + index * 16);
+ InitializeOutput(context, AttributeConsts.UserAttributeBase + index * 16, perPatch: true);
- usedAttribtes &= ~(1 << index);
+ usedAttributesPerPatch &= ~(1 << index);
+ }
+ }
+
+ private static void InitializeOutput(EmitterContext context, int baseAttr, bool perPatch)
+ {
+ for (int c = 0; c < 4; c++)
+ {
+ int attrOffset = baseAttr + c * 4;
+ context.Copy(perPatch ? AttributePerPatch(attrOffset) : Attribute(attrOffset), ConstF(c == 3 ? 1f : 0f));
}
}