Brought in a fix suggested by Amit but still didn't improve perf. I'll use that to see how Tracy works.

amt/pixel.hpp

@@ -62,8 +62,15 @@ namespace amt {
 		constexpr RGBA() noexcept = default;
 		constexpr RGBA(RGBA const&) noexcept = default;
 		constexpr RGBA(RGBA &&) noexcept = default;
-		constexpr RGBA& operator=(RGBA const& other) noexcept = default;
+		constexpr RGBA& operator=(RGBA const& other) noexcept {
-		constexpr RGBA& operator=(RGBA && other) noexcept = default;
+			this->m_data.color = other.m_data.color;
+			return *this;
+		}
+		constexpr RGBA& operator=(RGBA && other) noexcept {
+			this->m_data.color = other.m_data.color;
+			return *this;
+		}
+
 		constexpr ~RGBA() noexcept = default;
 
 		

amt/raycaster.cpp

@@ -3,6 +3,7 @@
 #include "amt/pixel.hpp"
 #include "constants.hpp"
 
+#define AMT_LIGHT
 
 using namespace fmt;