From b0f1255c8cb800e9f336be66b3f16c3d958673d2 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Fri, 16 Apr 2021 01:55:06 -0300
Subject: shader: Implement PrimitiveId

---
 src/shader_recompiler/backend/spirv/emit_context.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/shader_recompiler/backend/spirv/emit_context.cpp')

diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp
index 067f61613..3946dab14 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_context.cpp
@@ -1021,6 +1021,9 @@ void EmitContext::DefineInputs(const Info& info) {
         fswzadd_lut_b =
             ConstantComposite(F32[4], f32_minus_one, f32_minus_one, f32_one, f32_minus_one);
     }
+    if (info.loads_primitive_id) {
+        primitive_id = DefineInput(*this, U32[1], false, spv::BuiltIn::PrimitiveId);
+    }
     if (info.loads_position) {
         const bool is_fragment{stage != Stage::Fragment};
         const spv::BuiltIn built_in{is_fragment ? spv::BuiltIn::Position : spv::BuiltIn::FragCoord};
-- 
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