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-rw-r--r--src/video_core/engines/shader_bytecode.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 198a470c0..f32a17057 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -75,6 +75,10 @@ union Attribute {
enum class Index : u64 {
Position = 7,
Attribute_0 = 8,
+ // This attribute contains a tuple of (~, ~, InstanceId, VertexId) when inside a vertex
+ // shader, and a tuple of (TessCoord.x, TessCoord.y, TessCoord.z, ~) when inside a Tess Eval
+ // shader.
+ TessCoordInstanceIDVertexID = 47,
};
union {