Optimization of Keying Blur operation

Separate X and Y passes of blurring like it's done for flat
gaussian blur. This reduces computing difficulty from size^2
to 2*size without any visual changes in matte.

1 files changed, 8 insertions, 1 deletions

diff --git a/source/blender/compositor/operations/COM_KeyingBlurOperation.h b/source/blender/compositor/operations/COM_KeyingBlurOperation.h
index 2848f260cbd..41ccb465eab 100644
--- a/source/blender/compositor/operations/COM_KeyingBlurOperation.h
+++ b/source/blender/compositor/operations/COM_KeyingBlurOperation.h
@@ -32,11 +32,18 @@
 class KeyingBlurOperation : public NodeOperation {
 protected:
 	int size;
+	int axis;
 
 public:
+	enum BlurAxis {
+		BLUR_AXIS_X = 0,
+		BLUR_AXIS_Y = 1
+	};
+
 	KeyingBlurOperation();
 
-	void setSize(float value) {this->size = value;}
+	void setSize(int value) {this->size = value;}
+	void setAxis(int value) {this->axis = value;}
 
 	void *initializeTileData(rcti *rect, MemoryBuffer **memoryBuffers);