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/core/libraries/kernel/threads/semaphore.cpp

@@ -129,7 +129,11 @@ public:
             const auto end = std::chrono::high_resolution_clock::now();
             const auto time =
                 std::chrono::duration_cast<std::chrono::microseconds>(end - start).count();
-            *timeout -= time;
+            if (status == std::cv_status::timeout) {
+                *timeout = 0;
+            } else {
+                *timeout -= time;
+            }
             return GetResult(status == std::cv_status::timeout);
         }
     };