Add a helper class to easier test fragment and compute shader versions of the same...

[movit] / blur_effect.h

diff --git a/blur_effect.h b/blur_effect.h
index f531eb6e85aecb4a3305800e01051f510bb0a48b..69bd663cd27b9b518497a35998d06a6a5260d93e 100644 (file)
--- a/blur_effect.h
+++ b/blur_effect.h
@@ -63,9 +63,10 @@ private:
 
 class SingleBlurPassEffect : public Effect {
 public:
-       // If parent is non-NULL, calls to inform_input_size will be forwarded
+       // If parent is non-nullptr, calls to inform_input_size will be forwarded
        // so that it can make reasonable decisions for both blur passes.
        SingleBlurPassEffect(BlurEffect *parent);
+       virtual ~SingleBlurPassEffect();
        virtual std::string effect_type_id() const { return "SingleBlurPassEffect"; }
 
        std::string output_fragment_shader();
@@ -76,11 +77,13 @@ public:
        virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
 
        virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height) {
-               if (parent != NULL) {
+               if (parent != nullptr) {
                        parent->inform_input_size(input_num, width, height);
                }
        }
        virtual bool changes_output_size() const { return true; }
+       virtual bool sets_virtual_output_size() const { return true; }
+       virtual bool one_to_one_sampling() const { return false; }  // Can sample outside the border.
 
        virtual void get_output_size(unsigned *width, unsigned *height, unsigned *virtual_width, unsigned *virtual_height) const {
                *width = this->width;
@@ -100,6 +103,7 @@ private:
        float radius;
        Direction direction;
        int width, height, virtual_width, virtual_height;
+       float *uniform_samples;
 };
 
 }  // namespace movit