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authorMiguel Costa <miguel.costa@qt.io>2018-06-26 16:56:45 +0200
committerAndre de la Rocha <andre.rocha@qt.io>2018-10-13 21:36:35 +0000
commit0a7aebadfbb3534284546aa3ca8612314c08f136 (patch)
treee94ee33ae3bb9b96fc3047c6455d47ac4920bfbf /src/3rdparty/angle/src/common/mathutil.cpp
parent656e89f875ad2008ca16cc673b687a22daa294c9 (diff)
Update ANGLE to chromium/3280
Change-Id: I0802c0d7486f772d361f87a544d6c5af937f4ca1 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
Diffstat (limited to 'src/3rdparty/angle/src/common/mathutil.cpp')
-rw-r--r--src/3rdparty/angle/src/common/mathutil.cpp20
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