From 255197e64363f9286ed145cafdeb129c85c16621 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sat, 25 Apr 2020 21:56:11 -0300
Subject: shader/arithmetic_integer: Implement CC for IADD

---
 src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/video_core/renderer_opengl')

diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 0cd3ad7e1..3803a6f3a 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -1870,6 +1870,14 @@ private:
         return GenerateBinaryInfix(operation, ">=", Type::Bool, type, type);
     }
 
+    Expression LogicalAddCarry(Operation operation) {
+        const std::string carry = code.GenerateTemporary();
+        code.AddLine("uint {};", carry);
+        code.AddLine("uaddCarry({}, {}, {});", VisitOperand(operation, 0).AsUint(),
+                     VisitOperand(operation, 1).AsUint(), carry);
+        return {fmt::format("({} != 0)", carry), Type::Bool};
+    }
+
     Expression LogicalFIsNan(Operation operation) {
         return GenerateUnary(operation, "isnan", Type::Bool, Type::Float);
     }
@@ -2441,6 +2449,8 @@ private:
         &GLSLDecompiler::LogicalNotEqual<Type::Uint>,
         &GLSLDecompiler::LogicalGreaterEqual<Type::Uint>,
 
+        &GLSLDecompiler::LogicalAddCarry,
+
         &GLSLDecompiler::Logical2HLessThan<false>,
         &GLSLDecompiler::Logical2HEqual<false>,
         &GLSLDecompiler::Logical2HLessEqual<false>,
-- 
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