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Fix "Integer divide by zero" in Spline.cpp #5182

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Jan 22, 2014
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Fix "Integer divide by zero" in Spline.cpp #5182

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2 changes: 2 additions & 0 deletions GPU/GLES/Spline.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -816,6 +816,8 @@ void TransformDrawEngine::SubmitBezier(void* control_points, void* indices, int
// Simple approximation of the real tesselation factor.
// We shouldn't really split up into separate 4x4 patches, instead we should do something that works
// like the splines, so we subdivide across the whole "mega-patch".
if (num_patches_u == 0) num_patches_u = 1;
if (num_patches_v == 0) num_patches_v = 1;
int tess_u = gstate.getPatchDivisionU() / num_patches_u;
int tess_v = gstate.getPatchDivisionV() / num_patches_v;
if (tess_u < 4) tess_u = 4;
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