X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=effect.h;h=ba39d6a3cf5bbdc88503214062fd6e075c3da48e;hb=9527105a4958fa20f8d87d719a26b00cb000c0e8;hp=073780f172bdbc929db64238c1705221264691c4;hpb=65c6584f77bff0af0c8e38d1ac90298bcd55e9ac;p=movit

diff --git a/effect.h b/effect.h
index 073780f..ba39d6a 100644
--- a/effect.h
+++ b/effect.h
@@ -196,7 +196,16 @@ public:
 	// set sets_virtual_output_size(), though.
 	//
 	// Does not make a lot of sense together with needs_texture_bounce().
-	virtual bool one_to_one_sampling() const { return false; }
+	// Cannot be set for compute shaders.
+	virtual bool one_to_one_sampling() const { return strong_one_to_one_sampling(); }
+
+	// Similar in use to one_to_one_sampling(), but even stricter:
+	// The effect must not use texture coordinate in any way beyond
+	// giving it unmodified to its (single) input. This allows it to
+	// also be used after a compute shader, in the same phase.
+	//
+	// An effect that it strong one-to-one must also be one-to-one.
+	virtual bool strong_one_to_one_sampling() const { return false; }
 
 	// Whether this effect wants to output to a different size than
 	// its input(s) (see inform_input_size(), below). See also
@@ -403,19 +412,19 @@ private:
 	std::map<std::string, float *> params_vec4;
 
 	// Picked out by EffectChain during finalization.
-	std::vector<Uniform<int> > uniforms_image2d;
-	std::vector<Uniform<int> > uniforms_sampler2d;
-	std::vector<Uniform<bool> > uniforms_bool;
-	std::vector<Uniform<int> > uniforms_int;
-	std::vector<Uniform<float> > uniforms_float;
-	std::vector<Uniform<float> > uniforms_vec2;
-	std::vector<Uniform<float> > uniforms_vec3;
-	std::vector<Uniform<float> > uniforms_vec4;
-	std::vector<Uniform<float> > uniforms_float_array;
-	std::vector<Uniform<float> > uniforms_vec2_array;
-	std::vector<Uniform<float> > uniforms_vec3_array;
-	std::vector<Uniform<float> > uniforms_vec4_array;
-	std::vector<Uniform<Eigen::Matrix3d> > uniforms_mat3;
+	std::vector<Uniform<int>> uniforms_image2d;
+	std::vector<Uniform<int>> uniforms_sampler2d;
+	std::vector<Uniform<bool>> uniforms_bool;
+	std::vector<Uniform<int>> uniforms_int;
+	std::vector<Uniform<float>> uniforms_float;
+	std::vector<Uniform<float>> uniforms_vec2;
+	std::vector<Uniform<float>> uniforms_vec3;
+	std::vector<Uniform<float>> uniforms_vec4;
+	std::vector<Uniform<float>> uniforms_float_array;
+	std::vector<Uniform<float>> uniforms_vec2_array;
+	std::vector<Uniform<float>> uniforms_vec3_array;
+	std::vector<Uniform<float>> uniforms_vec4_array;
+	std::vector<Uniform<Eigen::Matrix3d>> uniforms_mat3;
 	friend class EffectChain;
 };