Cast int to float to use the log function

neuromorphic-paris · Aug 21, 2019 · 6c3c0ff · 6c3c0ff
1 parent dae8fc6
commit 6c3c0ff
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/source/delta_t_display.hpp b/source/delta_t_display.hpp
@@ -183,7 +183,7 @@ namespace chameleon {
                     }
                     fragment_shader.append(R""(
                         void main() {
-                            float exposure = clamp(slope * log(texture(sampler, uv).x) + intercept, 0.0, 1.0) * color_table_scale;
+                            float exposure = clamp(slope * log(float(texture(sampler, uv).x)) + intercept, 0.0, 1.0) * color_table_scale;
                             color = mix(
                                 color_table[int(exposure)],
                                 color_table[int(exposure) + 1],