From f87f704f43a18c8ff6eeeebc44ece07f02985c98 Mon Sep 17 00:00:00 2001
From: OatmealDome <julian@oatmealdome.me>
Date: Mon, 2 Aug 2021 23:40:59 -0400
Subject: [PATCH] ShaderCompiler: Add helpers for Metal framebuffer fetch

---
 Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp b/Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp
index 8ec105ceeb..1fb61331bb 100644
--- a/Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp
+++ b/Source/Core/VideoBackends/Vulkan/ShaderCompiler.cpp
@@ -54,6 +54,9 @@ static const char SHADER_HEADER[] = R"(
   #define VARYING_LOCATION(x) layout(location = x)
   #define FORCE_EARLY_Z layout(early_fragment_tests) in
 
+  // Metal framebuffer fetch helpers.
+  #define FB_FETCH_VALUE subpassLoad(in_ocol0)
+
   // hlsl to glsl function translation
   #define API_VULKAN 1
   #define float2 vec2