If you try exporting, do you get the same dark image, or does it look better?
If you check your history, and click different points there, can you find one that turns the image dark?
Does the situation change if you disable OpenCL?
If you try exporting, do you get the same dark image, or does it look better?
If you check your history, and click different points there, can you find one that turns the image dark?
Does the situation change if you disable OpenCL?