From cf89e0348667115695d4271732fc9e04da430499 Mon Sep 17 00:00:00 2001
From: Isaac Marovitz <isaacryu@icloud.com>
Date: Wed, 26 Mar 2025 09:07:12 -0400
Subject: [PATCH] Add Metal CMake option

Signed-off-by: Isaac Marovitz <isaacryu@icloud.com>
---
 UnleashedRecomp/CMakeLists.txt | 4 ++++
 UnleashedRecomp/gpu/video.cpp  | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/UnleashedRecomp/CMakeLists.txt b/UnleashedRecomp/CMakeLists.txt
index e39571e..3eabba5 100644
--- a/UnleashedRecomp/CMakeLists.txt
+++ b/UnleashedRecomp/CMakeLists.txt
@@ -4,6 +4,10 @@ if (WIN32)
     option(UNLEASHED_RECOMP_D3D12 "Add D3D12 support for rendering" ON)
 endif()
 
+if (APPLE)
+    option(UNLEASHED_RECOMP_METAL "Add Metal support for rendering" ON)
+endif()
+
 if (CMAKE_SYSTEM_NAME MATCHES "Linux")
     option(UNLEASHED_RECOMP_FLATPAK "Configure the build for Flatpak compatibility." OFF)
 endif()
diff --git a/UnleashedRecomp/gpu/video.cpp b/UnleashedRecomp/gpu/video.cpp
index 854d474..faa4a87 100644
--- a/UnleashedRecomp/gpu/video.cpp
+++ b/UnleashedRecomp/gpu/video.cpp
@@ -785,6 +785,13 @@ static void LoadEmbeddedResources()
         g_shaderCache = std::make_unique<uint8_t[]>(g_spirvCacheDecompressedSize);
         ZSTD_decompress(g_shaderCache.get(), g_spirvCacheDecompressedSize, g_compressedSpirvCache, g_spirvCacheCompressedSize);
     }
+#ifdef UNLEASHED_RECOMP_METAL
+    else
+    {
+        g_shaderCache = std::make_unique<uint8_t[]>(g_airCacheDecompressedSize);
+        ZSTD_decompress(g_shaderCache.get(), g_airCacheDecompressedSize, g_compressedAirCache, g_airCacheCompressedSize);
+    }
+#endif
 #ifdef UNLEASHED_RECOMP_D3D12
     else
     {