Shaders for Android (GLES 2) (#10506)

[minetest.git] / src / light.cpp

diff --git a/src/light.cpp b/src/light.cpp
index 8196fedffcc820fa58d317f10b364dd2e29da27e..d5389b45060a098df3964b228e5d26ffaedbdc40 100644 (file)
--- a/src/light.cpp
+++ b/src/light.cpp
@@ -18,6 +18,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "light.h"
+#include <algorithm>
 #include <cmath>
 #include "util/numeric.h"
 #include "settings.h"
@@ -81,9 +82,11 @@ void set_light_table(float gamma)
                // Strictly speaking, rangelim is not necessary here—if the implementation
                // is conforming. But we don’t want problems in any case.
                light_LUT[i] = rangelim((s32)(255.0f * brightness), 0, 255);
+
                // Ensure light brightens with each level
-               if (i > 1 && light_LUT[i] <= light_LUT[i - 1])
-                       light_LUT[i] = light_LUT[i - 1] + 1;
+               if (i > 0 && light_LUT[i] <= light_LUT[i - 1]) {
+                       light_LUT[i] = std::min((u8)254, light_LUT[i - 1]) + 1;
+               }
        }
 }