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drm: Fix undefined behavior when bit shifting.

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Nathan Mills 2023-06-24 16:06:46 -07:00 committed by Vlad Zahorodnii
parent 5502ce9a9c
commit 890712f872
1 changed files with 2 additions and 2 deletions
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4
src/backends/drm/drm_pipeline.cpp
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@ -656,9 +656,9 @@ void DrmPipeline::setGammaRamp(const std::shared_ptr<ColorTransformation> &trans
static uint64_t doubleToFixed(double value)
{
// ctm values are in S31.32 sign-magnitude format
uint64_t ret = std::abs(value) * (1ul << 32);
uint64_t ret = std::abs(value) * (1ull << 32);
if (value < 0) {
ret |= 1ul << 63;
ret |= 1ull << 63;
}
return ret;
}