shader_recompiler: Implement most integer image atomics, workgroup barriers and shared memory load/store (#231)

* shader_recompiler: Add LDEXP

* shader_recompiler: Add most image integer atomic ops

* shader_recompiler: Implement shared memory load/store

* shader_recompiler: More image atomics

* externals: Update sirit

* clang format

* cmake: Add missing files

* shader_recompiler: Fix some atomic bugs

* shader_recompiler: Vs outputs

* shader_recompiler: Shared mem has side-effects, fix format component order

* shader_recompiler: Inline constant buffer impl

* video_core: Fix regressions

* Work

* Fixup a few things

src/common/string_util.cpp

@@ -14,6 +14,12 @@
 
 namespace Common {
 
+std::string ToLower(std::string str) {
+    std::transform(str.begin(), str.end(), str.begin(),
+                   [](unsigned char c) { return static_cast<char>(std::tolower(c)); });
+    return str;
+}
+
 std::vector<std::string> SplitString(const std::string& str, char delimiter) {
     std::istringstream iss(str);
     std::vector<std::string> output(1);