1 files changed, 21 insertions, 0 deletions
diff --git a/platform/ios/shader_cache_library.mm b/platform/ios/shader_cache_library.mm
new file mode 100644
index 0000000000..68d8e959ca
--- /dev/null
+++ b/platform/ios/shader_cache_library.mm
@@ -0,0 +1,21 @@
+#import <Foundation/Foundation.h>
+
+#include <mbgl/platform/platform.hpp>
+
+namespace mbgl {
+namespace platform {
+
+// Returns the path to the default shader cache on this system.
+std::string defaultShaderCache() {
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
+    if ([paths count] == 0) {
+        // Disable the cache if we don't have a location to write.
+        return "";
+    }
+
+    NSString *libraryDirectory = [paths objectAtIndex:0];
+    return [[libraryDirectory stringByAppendingPathComponent:@"shader-cache-"] UTF8String];
+}
+
+}
+}