summaryrefslogtreecommitdiff
path: root/src/mbgl/renderer/frame_history.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mbgl/renderer/frame_history.cpp')
-rw-r--r--src/mbgl/renderer/frame_history.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mbgl/renderer/frame_history.cpp b/src/mbgl/renderer/frame_history.cpp
index 869222b4eb..de153b6963 100644
--- a/src/mbgl/renderer/frame_history.cpp
+++ b/src/mbgl/renderer/frame_history.cpp
@@ -74,4 +74,8 @@ void FrameHistory::bind(gl::Context& context, uint32_t unit) {
context.bindTexture(*texture, unit);
}
+bool FrameHistory::isVisible(const float zoom) const {
+ return opacities.data[std::floor(zoom * 10)] != 0;
+}
+
} // namespace mbgl