Add an assert saying that if an input has premultiplied alpha, it must also have...

This holds true for nodes in general, but I'm not sure enough about all sorts of intermediate
states that could cause this to be temporarily untrue for other nodes.

diff --git a/effect_chain.cpp b/effect_chain.cpp
index 68a60737878a76553b1e9f66b88cc692b0532a8a..a9b892725358039173725feea5306692f3432988 100644 (file)
--- a/effect_chain.cpp
+++ b/effect_chain.cpp
@@ -727,6 +727,10 @@ void EffectChain::find_color_spaces_for_inputs()
                        default:
                                assert(false);
                        }
+
+                       if (node->output_alpha_type == ALPHA_PREMULTIPLIED) {
+                               assert(node->output_gamma_curve == GAMMA_LINEAR);
+                       }
                }
        }
 }