diff options
Diffstat (limited to 'services/surfaceflinger/RegionSamplingThread.cpp')
| -rw-r--r-- | services/surfaceflinger/RegionSamplingThread.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/services/surfaceflinger/RegionSamplingThread.cpp b/services/surfaceflinger/RegionSamplingThread.cpp index 66906e950c..8b85d4cdbf 100644 --- a/services/surfaceflinger/RegionSamplingThread.cpp +++ b/services/surfaceflinger/RegionSamplingThread.cpp @@ -258,7 +258,7 @@ void RegionSamplingThread::binderDied(const wp<IBinder>& who) { namespace { // Using Rec. 709 primaries -float getLuma(float r, float g, float b) { +inline float getLuma(float r, float g, float b) { constexpr auto rec709_red_primary = 0.2126f; constexpr auto rec709_green_primary = 0.7152f; constexpr auto rec709_blue_primary = 0.0722f; @@ -293,10 +293,10 @@ float sampleArea(const uint32_t* data, int32_t width, int32_t height, int32_t st const uint32_t* rowBase = data + row * stride; for (int32_t column = area.left; column < area.right; ++column) { uint32_t pixel = rowBase[column]; - const float r = (pixel & 0xFF) / 255.0f; - const float g = ((pixel >> 8) & 0xFF) / 255.0f; - const float b = ((pixel >> 16) & 0xFF) / 255.0f; - const uint8_t luma = std::round(getLuma(r, g, b) * 255.0f); + const float r = pixel & 0xFF; + const float g = (pixel >> 8) & 0xFF; + const float b = (pixel >> 16) & 0xFF; + const uint8_t luma = std::round(getLuma(r, g, b)); ++brightnessBuckets[luma]; if (brightnessBuckets[luma] > majoritySampleNum) return luma / 255.0f; } |