From 5d0986a53be495f2a2158968db1bc0974f0dd0d3 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Fri, 15 May 2020 02:24:42 -0300
Subject: shader/other: Implement BAR.SYNC 0x0

Trivially implement this particular case of BAR. Unless games use OpenCL
or CUDA barriers, we shouldn't hit any other case here.
---
 src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')

diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 960ebf1a1..6804758f7 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -2321,6 +2321,15 @@ private:
         return {fmt::format("readInvocationARB({}, {})", value, index), Type::Float};
     }
 
+    Expression Barrier(Operation) {
+        if (!ir.IsDecompiled()) {
+            LOG_ERROR(Render_OpenGL, "barrier() used but shader is not decompiled");
+            return {};
+        }
+        code.AddLine("barrier();");
+        return {};
+    }
+
     Expression MemoryBarrierGL(Operation) {
         code.AddLine("memoryBarrier();");
         return {};
@@ -2556,6 +2565,7 @@ private:
         &GLSLDecompiler::ThreadId,
         &GLSLDecompiler::ShuffleIndexed,
 
+        &GLSLDecompiler::Barrier,
         &GLSLDecompiler::MemoryBarrierGL,
     };
     static_assert(operation_decompilers.size() == static_cast<std::size_t>(OperationCode::Amount));
-- 
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