From 0344ce36c483dbbcf770ac7f2615a233b22c4452 Mon Sep 17 00:00:00 2001
From: Alexander Shalamov <alexander.shalamov@mapbox.com>
Date: Fri, 3 May 2019 14:31:11 +0300
Subject: [PATCH] [core] Define max cache size for ImageManager

---
 include/mbgl/util/constants.hpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/mbgl/util/constants.hpp b/include/mbgl/util/constants.hpp
index f7799a953..97a87eda6 100644
--- a/include/mbgl/util/constants.hpp
+++ b/include/mbgl/util/constants.hpp
@@ -48,6 +48,10 @@ constexpr uint8_t DEFAULT_PREFETCH_ZOOM_DELTA = 4;
 
 constexpr uint64_t DEFAULT_MAX_CACHE_SIZE = 50 * 1024 * 1024;
 
+// Default ImageManager's cache size for images added via onStyleImageMissing API.
+// Average sprite size with 1.0 pixel ratio is ~2kB, 8kB for pixel ratio of 2.0.
+constexpr std::size_t DEFAULT_ON_DEMAND_IMAGES_CACHE_SIZE = 100 * 8192;
+
 constexpr Duration DEFAULT_TRANSITION_DURATION = Milliseconds(300);
 constexpr Seconds CLOCK_SKEW_RETRY_TIMEOUT { 30 };