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sw_engine: added check whether surface width <= surface stride

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In a case width > stride segf occured. Such a case should be treated
as an invalid arg.
This commit is contained in:
Mira Grudzinska 2021-06-08 02:06:35 +02:00 • committed by Hermet Park
parent 5c26014e2f
commit f3fac71a12
1 changed files with 1 additions and 1 deletions
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2
src/lib/sw_engine/tvgSwRenderer.cpp
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@ -277,7 +277,7 @@ bool SwRenderer::viewport(const RenderRegion& vp)
bool SwRenderer::target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t h, uint32_t cs)
{
if (!buffer || stride == 0 || w == 0 || h == 0) return false;
if (!buffer || stride == 0 || w == 0 || h == 0 || w > stride) return false;
if (!surface) {
surface = new SwSurface;