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Commit c37f349e authored by Romain Guy's avatar Romain Guy
Browse files

Prevent possible divide by 0 

Bug #7307304

Should never happen, but eh :))

Change-Id: Ic7a09fd5c7a3622e6b4963f9ee6920e232018e2e
parent 41d35aef

libs/hwui/Patch.cpp

+2 −2
Original line number Diff line number Diff line
@@ -134,7 +134,7 @@ void Patch::updateVertices(const float bitmapWidth, const float bitmapHeight, 
        const float fixed = bitmapWidth - stretchSize;

        const float xStretch = fmaxf(right - left - fixed, 0.0f);

        stretchX = xStretch / xStretchTex;

        rescaleX = fminf(fmaxf(right - left, 0.0f) / fixed, 1.0f);

        rescaleX = fixed == 0.0f ? 0.0f : fminf(fmaxf(right - left, 0.0f) / fixed, 1.0f);

    }



    if (yStretchCount > 0) {
@@ -146,7 +146,7 @@ void Patch::updateVertices(const float bitmapWidth, const float bitmapHeight, 
        const float fixed = bitmapHeight - stretchSize;

        const float yStretch = fmaxf(bottom - top - fixed, 0.0f);

        stretchY = yStretch / yStretchTex;

        rescaleY = fminf(fmaxf(bottom - top, 0.0f) / fixed, 1.0f);

        rescaleY = fixed == 0.0f ? 0.0f : fminf(fmaxf(bottom - top, 0.0f) / fixed, 1.0f);

    }



    TextureVertex* vertex = mVertices;