Add a hack so that RGBA pixels are flipped properly in unit tests.

[movit] / blur_effect.h

diff --git a/blur_effect.h b/blur_effect.h
index 2aada42061098561892b71b3d6d1fb1a2d91f19f..7f92074b882b2b1b06c1e34128d97a2dc5a5cc6e 100644 (file)
--- a/blur_effect.h
+++ b/blur_effect.h
@@ -25,6 +25,8 @@ public:
        virtual bool needs_mipmaps() const { return true; }
        virtual bool needs_srgb_primaries() const { return false; }
 
+       virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height);
+
        virtual std::string output_fragment_shader() {
                assert(false);
        }
@@ -40,11 +42,14 @@ private:
        
        float radius;
        SingleBlurPassEffect *hpass, *vpass;
+       unsigned input_width, input_height;
 };
 
 class SingleBlurPassEffect : public Effect {
 public:
-       SingleBlurPassEffect();
+       // 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 std::string effect_type_id() const { return "SingleBlurPassEffect"; }
 
        std::string output_fragment_shader();
@@ -53,6 +58,11 @@ public:
        virtual bool needs_mipmaps() const { return true; }
        virtual bool needs_srgb_primaries() const { return false; }
 
+       virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height) {
+               if (parent != NULL) {
+                       parent->inform_input_size(input_num, width, height);
+               }
+       }
        virtual bool changes_output_size() const { return true; }
 
        virtual void get_output_size(unsigned *width, unsigned *height) const {
@@ -66,6 +76,7 @@ public:
        enum Direction { HORIZONTAL = 0, VERTICAL = 1 };
 
 private:
+       BlurEffect *parent;
        float radius;
        Direction direction;
        int width, height;