X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=effect_chain.h;h=716a970a3ab59748e99d94da43b2a9239fdca871;hp=8d75e8a7bd1b6dbad1363608529271c4fd7ae471;hb=094bfbb35f1af70ef07890ac7735006cdc195cca;hpb=3b9957afac0555a126d1941d7027fb52e29b309a

diff --git a/effect_chain.h b/effect_chain.h
index 8d75e8a..716a970 100644
--- a/effect_chain.h
+++ b/effect_chain.h
@@ -397,7 +397,12 @@ public:
 	// Only one destination texture is supported. This restriction will be lifted
 	// in the future.
 	//
-	// All destination textures must be exactly of size <width> x <height>.
+	// All destination textures must be exactly of size <width> x <height>,
+	// and must either come from the same ResourcePool the effect uses, or outlive
+	// the EffectChain (otherwise, we could be allocating FBOs that end up being
+	// stale). Textures must also have valid state; in particular, they must either
+	// be mipmap complete or have a non-mipmapped minification mode.
+	//
 	// width and height can not be zero.
 	struct DestinationTexture {
 		GLuint texnum;