diff options
Diffstat (limited to 'src/3rdparty/angle/src/common/mathutil.cpp')
| -rw-r--r-- | src/3rdparty/angle/src/common/mathutil.cpp | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/src/3rdparty/angle/src/common/mathutil.cpp b/src/3rdparty/angle/src/common/mathutil.cpp index 927b6ebebe..5db997c664 100644 --- a/src/3rdparty/angle/src/common/mathutil.cpp +++ b/src/3rdparty/angle/src/common/mathutil.cpp @@ -14,6 +14,9 @@ namespace gl { +namespace +{ + struct RGB9E5Data { unsigned int R : 9; @@ -23,17 +26,20 @@ struct RGB9E5Data }; // B is the exponent bias (15) -static const int g_sharedexp_bias = 15; +constexpr int g_sharedexp_bias = 15; // N is the number of mantissa bits per component (9) -static const int g_sharedexp_mantissabits = 9; +constexpr int g_sharedexp_mantissabits = 9; // Emax is the maximum allowed biased exponent value (31) -static const int g_sharedexp_maxexponent = 31; +constexpr int g_sharedexp_maxexponent = 31; -static const float g_sharedexp_max = ((pow(2.0f, g_sharedexp_mantissabits) - 1) / - pow(2.0f, g_sharedexp_mantissabits)) * - pow(2.0f, g_sharedexp_maxexponent - g_sharedexp_bias); +constexpr float g_sharedexp_max = + ((static_cast<float>(1 << g_sharedexp_mantissabits) - 1) / + static_cast<float>(1 << g_sharedexp_mantissabits)) * + static_cast<float>(1 << (g_sharedexp_maxexponent - g_sharedexp_bias)); + +} // anonymous namespace unsigned int convertRGBFloatsTo999E5(float red, float green, float blue) { @@ -64,4 +70,4 @@ void convert999E5toRGBFloats(unsigned int input, float *red, float *green, float *blue = inputData->B * pow(2.0f, (int)inputData->E - g_sharedexp_bias - g_sharedexp_mantissabits); } -} +} // namespace gl |