WTF

lib/graphicsdev/Common.cpp

@@ -0,0 +1,17 @@
+#include "Common.hpp"
+
+namespace boo
+{
+
+void UpdateGammaLUT(ITextureD* tex, float gamma)
+{
+    void* data = tex->map(65536 * 2);
+    for (int i=0 ; i<65536 ; ++i)
+    {
+        float level = std::pow(i / 65535.f, gamma);
+        reinterpret_cast<uint16_t*>(data)[i] = level * 65535.f;
+    }
+    tex->unmap();
+}
+
+}