egl: add helper to combine two u32 into one u64

[mesa.git] / src / egl / drivers / dri2 / egl_dri2.h

diff --git a/src/egl/drivers/dri2/egl_dri2.h b/src/egl/drivers/dri2/egl_dri2.h
index a6588632f776de58df480a3a823d98664be544ec..955725658239e99d8ebe4d41264edd77fccb1ee2 100644 (file)
--- a/src/egl/drivers/dri2/egl_dri2.h
+++ b/src/egl/drivers/dri2/egl_dri2.h
@@ -528,4 +528,10 @@ dri2_init_surface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
 void
 dri2_fini_surface(_EGLSurface *surf);
 
+static inline uint64_t
+combine_u32_into_u64(uint32_t hi, uint32_t lo)
+{
+   return (((uint64_t) hi) << 32) | (((uint64_t) lo) & 0xffffffff);
+}
+
 #endif /* EGL_DRI2_INCLUDED */