Rework PaddingEffect alpha handling, which also fixes a long-standing assertion failure.

[movit] / blur_effect.h

diff --git a/blur_effect.h b/blur_effect.h
index f531eb6e85aecb4a3305800e01051f510bb0a48b..8ad3da92dc27bb0f164184b04c042de569714038 100644 (file)
--- a/blur_effect.h
+++ b/blur_effect.h
@@ -66,6 +66,7 @@ public:
        // If parent is non-NULL, 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();
@@ -81,6 +82,8 @@ public:
                }
        }
        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