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Commit bf434114 authored by Romain Guy's avatar Romain Guy
Browse files

Snap layer bounds to pixel boundaries. 

Change-Id: I272ceebf469a119f01ea9d73cdd68519afdffa99
parent b025b9c8

libs/hwui/OpenGLRenderer.cpp

+2 −0
Original line number Diff line number Diff line
@@ -353,6 +353,8 @@ bool OpenGLRenderer::createLayer(sp<Snapshot> snapshot, float left, float top, 


    // Layers only make sense if they are in the framebuffer's bounds

    bounds.intersect(*mSnapshot->clipRect);

    bounds.snapToPixelBoundaries();



    if (bounds.isEmpty() || bounds.getWidth() > mMaxTextureSize ||

            bounds.getHeight() > mMaxTextureSize) {

        return false;

libs/hwui/Rect.h

+7 −0
Original line number Diff line number Diff line
@@ -148,6 +148,13 @@ struct Rect { 
        return false;

    }



    void snapToPixelBoundaries() {

        left = floor(left);

        top = floor(top);

        right = ceil(right);

        bottom = ceil(bottom);

    }



    void dump() const {

        LOGD("Rect[l=%f t=%f r=%f b=%f]", left, top, right, bottom);

    }