X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=effect.h;h=ebbb6726104051caaba9b4e58df21279682dc1f3;hb=3cb6aa45faa156fcb380aeacc13b03743bc471ec;hp=9d81a562e0aa8f53b18c8e0d6e8e5990076f0cfd;hpb=9c12e38b7cd88a77ef297d080b7c41e6bd6326fb;p=movit

diff --git a/effect.h b/effect.h
index 9d81a56..ebbb672 100644
--- a/effect.h
+++ b/effect.h
@@ -217,6 +217,20 @@ public:
 	//     and allow dependent effects to change that sampler state.
 	virtual bool is_single_texture() const { return false; }
 
+	// If set, this effect should never be bounced to an output, even if a
+	// dependent effect demands texture bounce.
+	//
+	// Note that setting this can invoke undefined behavior, up to and including crashing,
+	// so you should only use it if you have deep understanding of your entire chain
+	// and Movit's processing of it. The most likely use case is if you have an input
+	// that's cheap to compute but not a single texture (e.g. YCbCrInput), and want
+	// to run a ResampleEffect directly from it. Normally, this would require a bounce,
+	// but it's faster not to. (However, also note that in this case, effective texel
+	// subpixel precision will be too optimistic, since chroma is already subsampled.)
+	//
+	// Has no effect if is_single_texture() is set.
+	virtual bool override_disable_bounce() const { return false; }
+
 	// If changes_output_size() is true, you must implement this to tell
 	// the framework what output size you want. Also, you can set a
 	// virtual width/height, which is the size the next effect (if any)
@@ -332,9 +346,9 @@ protected:
 	//
 	// Calling register_* will automatically imply register_uniform_*,
 	// except for register_int as noted above.
+	void register_uniform_sampler2d(const std::string &key, const int *value);
 	void register_uniform_bool(const std::string &key, const bool *value);
 	void register_uniform_int(const std::string &key, const int *value);  // Note: Requires GLSL 1.30 or newer.
-	void register_uniform_sampler2d(const std::string &key, const int *value);
 	void register_uniform_float(const std::string &key, const float *value);
 	void register_uniform_vec2(const std::string &key, const float *values);
 	void register_uniform_vec3(const std::string &key, const float *values);
@@ -351,9 +365,9 @@ private:
 	std::map<std::string, float *> params_vec4;
 
 	// Picked out by EffectChain during finalization.
+	std::vector<Uniform<int> > uniforms_sampler2d;
 	std::vector<Uniform<bool> > uniforms_bool;
 	std::vector<Uniform<int> > uniforms_int;
-	std::vector<Uniform<int> > uniforms_sampler2d;
 	std::vector<Uniform<float> > uniforms_float;
 	std::vector<Uniform<float> > uniforms_vec2;
 	std::vector<Uniform<float> > uniforms_vec3;