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Undefined behavior fix

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Rich Geldreich
2020-03-20 02:03:37 -04:00
parent 5b6eb565e4
commit 1635b96e99
1 changed files with 3 additions and 3 deletions
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6
basisu_etc.cpp
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@@ -860,9 +860,9 @@ namespace basisu
const float avg_delta_r_f = static_cast<float>(delta_sum_r) / n;
const float avg_delta_g_f = static_cast<float>(delta_sum_g) / n;
const float avg_delta_b_f = static_cast<float>(delta_sum_b) / n;
const int br1 = clamp<int>(static_cast<uint32_t>((m_avg_color[0] - avg_delta_r_f) * m_limit / 255.0f + .5f), 0, m_limit);
const int bg1 = clamp<int>(static_cast<uint32_t>((m_avg_color[1] - avg_delta_g_f) * m_limit / 255.0f + .5f), 0, m_limit);
const int bb1 = clamp<int>(static_cast<uint32_t>((m_avg_color[2] - avg_delta_b_f) * m_limit / 255.0f + .5f), 0, m_limit);
const int br1 = clamp<int>(static_cast<int32_t>((m_avg_color[0] - avg_delta_r_f) * m_limit / 255.0f + .5f), 0, m_limit);
const int bg1 = clamp<int>(static_cast<int32_t>((m_avg_color[1] - avg_delta_g_f) * m_limit / 255.0f + .5f), 0, m_limit);
const int bb1 = clamp<int>(static_cast<int32_t>((m_avg_color[2] - avg_delta_b_f) * m_limit / 255.0f + .5f), 0, m_limit);
#if BASISU_DEBUG_ETC_ENCODER_DEEPER
printf("Refinement trial %u, avg_delta %f %f %f\n", refinement_trial, avg_delta_r_f, avg_delta_g_f, avg_delta_b_f);