Add a function to let non-input effects override texture bounce.

[movit] / effect_chain.h

diff --git a/effect_chain.h b/effect_chain.h
index 9fb1d4ea6642a48ec38216a0c5a5b607b3f48015..c3dadffca3b115bbfdab3553bdbd81050b0ed9f7 100644 (file)
--- a/effect_chain.h
+++ b/effect_chain.h
@@ -303,6 +303,13 @@ public:
        // single-sampler input, or from an RTT texture.
        GLenum get_input_sampler(Node *node, unsigned input_num) const;
 
+       // Whether input <input_num> of <node> corresponds to a single sampler
+       // (see get_input_sampler()). Normally, you should not need to call this;
+       // however, if the input Effect has set override_texture_bounce(),
+       // this will return false, and you could be flexible and check it first
+       // if you want.
+       GLenum has_input_sampler(Node *node, unsigned input_num) const;
+
        // Get the current resource pool assigned to this EffectChain.
        // Primarily to let effects allocate textures as needed.
        // Any resources you get from the pool must be returned to the pool