OpenGL renderer

1 files changed, 4 insertions, 0 deletions

diff --git a/src/common/math_util.h b/src/common/math_util.h
index 0b1400b41..4b0910741 100644
--- a/src/common/math_util.h
+++ b/src/common/math_util.h
@@ -11,6 +11,10 @@
 namespace MathUtil
 {
 
+inline bool IntervalsIntersect(unsigned start0, unsigned length0, unsigned start1, unsigned length1) {
+    return (std::max(start0, start1) <= std::min(start0 + length0, start1 + length1));
+}
+
 template<typename T>
 inline T Clamp(const T val, const T& min, const T& max)
 {