Initial commit

Signed-off-by: Slendi <slendi@socopon.com>

src/common.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <format>
+
+#define OPENXR_CHECK(fn_call, ...) \
+	do { \
+		XrResult result = fn_call(__VA_ARGS__); \
+		if (result != XR_SUCCESS) { \
+			std::array<char, XR_MAX_RESULT_STRING_SIZE> msg {}; \
+			xrResultToString(nullptr, result, msg.data()); \
+			throw std::runtime_error( \
+			    std::format("OpenXR call '{}' failed (code {}): {}", #fn_call, \
+			        static_cast<int>(result), msg.data())); \
+		} \
+	} while (0)