diff options
Diffstat (limited to 'gfx/angle/src/common/mathutil.cpp')
| -rwxr-xr-x | gfx/angle/src/common/mathutil.cpp | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/gfx/angle/src/common/mathutil.cpp b/gfx/angle/src/common/mathutil.cpp index 5db997c66..acbcbdf0c 100755 --- a/gfx/angle/src/common/mathutil.cpp +++ b/gfx/angle/src/common/mathutil.cpp @@ -14,9 +14,6 @@ namespace gl { -namespace -{ - struct RGB9E5Data { unsigned int R : 9; @@ -26,20 +23,17 @@ struct RGB9E5Data }; // B is the exponent bias (15) -constexpr int g_sharedexp_bias = 15; +static const int g_sharedexp_bias = 15; // N is the number of mantissa bits per component (9) -constexpr int g_sharedexp_mantissabits = 9; +static const int g_sharedexp_mantissabits = 9; // Emax is the maximum allowed biased exponent value (31) -constexpr int g_sharedexp_maxexponent = 31; - -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)); +static const int g_sharedexp_maxexponent = 31; -} // anonymous namespace +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); unsigned int convertRGBFloatsTo999E5(float red, float green, float blue) { |