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/shader_recompiler/frontend/fetch_shader.h

@@ -17,6 +17,6 @@ struct VertexAttribute {
     u8 instance_data; ///< Indicates that the buffer will be accessed in instance rate
 };
 
-std::vector<VertexAttribute> ParseFetchShader(const u32* code);
+std::vector<VertexAttribute> ParseFetchShader(const u32* code, u32* out_size);
 
 } // namespace Shader::Gcn