From f3d1b370aa0fd614cf28f8a609b70906d40da751 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Tue, 12 Nov 2019 10:07:22 -0400
Subject: Shader_IR: Implement FLO instruction.

---
 src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 7 +++++++
 1 file changed, 7 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 e56ed51de..b87ee2ae8 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -1472,6 +1472,11 @@ private:
         return GenerateUnary(operation, "bitCount", type, type);
     }
 
+    template <Type type>
+    Expression BitMSB(Operation operation) {
+        return GenerateUnary(operation, "findMSB", type, type);
+    }
+
     Expression HNegate(Operation operation) {
         const auto GetNegate = [&](std::size_t index) {
             return VisitOperand(operation, index).AsBool() + " ? -1 : 1";
@@ -2043,6 +2048,7 @@ private:
         &GLSLDecompiler::BitfieldInsert<Type::Int>,
         &GLSLDecompiler::BitfieldExtract<Type::Int>,
         &GLSLDecompiler::BitCount<Type::Int>,
+        &GLSLDecompiler::BitMSB<Type::Int>,
 
         &GLSLDecompiler::Add<Type::Uint>,
         &GLSLDecompiler::Mul<Type::Uint>,
@@ -2061,6 +2067,7 @@ private:
         &GLSLDecompiler::BitfieldInsert<Type::Uint>,
         &GLSLDecompiler::BitfieldExtract<Type::Uint>,
         &GLSLDecompiler::BitCount<Type::Uint>,
+        &GLSLDecompiler::BitMSB<Type::Uint>,
 
         &GLSLDecompiler::Add<Type::HalfFloat>,
         &GLSLDecompiler::Mul<Type::HalfFloat>,
-- 
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