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Fix some of the effects in qmlvideofx

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* TiltShift was sometimes applying the effect in the wrong place.
* Blur had some QML properties duplicated
* Blur kernel wasn't quite summing to 1, and was applying opacity twice
* The target width for the second pass was incorrect, so it was blending
darkness, resulting in a dreary image.

Change-Id: Ib8ba93d979c597cf4d225b3d24d26a22d0cdffc2
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>
This commit is contained in:
Michael Goddard
2011-12-22 13:08:25 +10:00
committed by Qt by Nokia
parent 8af2548473
commit 2307825461
4 changed files with 8 additions and 7 deletions
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2
examples/video/qmlvideofx/shaders/gaussianblur_h.fsh
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@@ -55,7 +55,7 @@ void main()
c += texture2D(source, uv - vec2(3.0*blurSize, 0.0)) * 0.09;
c += texture2D(source, uv - vec2(2.0*blurSize, 0.0)) * 0.12;
c += texture2D(source, uv - vec2(1.0*blurSize, 0.0)) * 0.15;
c += texture2D(source, uv) * 0.16;
c += texture2D(source, uv) * 0.18;
c += texture2D(source, uv + vec2(1.0*blurSize, 0.0)) * 0.15;
c += texture2D(source, uv + vec2(2.0*blurSize, 0.0)) * 0.12;
c += texture2D(source, uv + vec2(3.0*blurSize, 0.0)) * 0.09;