From 387f80492bca3c050c0a152d3d1346f1f95724d3 Mon Sep 17 00:00:00 2001
From: Gali Nelle <galinelle.mapbox@gmail.com>
Date: Sun, 15 Mar 2020 15:48:16 +0200
Subject: Add comparison operator for CustomLayerRenderParameters

---
 include/mbgl/gl/custom_layer.hpp | 3 +++
 src/mbgl/gl/custom_layer.cpp     | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/include/mbgl/gl/custom_layer.hpp b/include/mbgl/gl/custom_layer.hpp
index 5dce484980..acbd2886b7 100644
--- a/include/mbgl/gl/custom_layer.hpp
+++ b/include/mbgl/gl/custom_layer.hpp
@@ -20,6 +20,9 @@ struct CustomLayerRenderParameters {
     double pitch;
     double fieldOfView;
     std::array<double, 16> projectionMatrix;
+
+    bool operator==(const CustomLayerRenderParameters&) const;
+    bool operator!=(const CustomLayerRenderParameters&) const;
 };
 
 class CustomLayerHost {
diff --git a/src/mbgl/gl/custom_layer.cpp b/src/mbgl/gl/custom_layer.cpp
index 456467e904..04b4395e27 100644
--- a/src/mbgl/gl/custom_layer.cpp
+++ b/src/mbgl/gl/custom_layer.cpp
@@ -55,5 +55,13 @@ const LayerTypeInfo* CustomLayer::Impl::staticTypeInfo() noexcept {
     return &typeInfoCustom;
 }
 
+bool CustomLayerRenderParameters::operator==(const CustomLayerRenderParameters& o) const {
+    return projectionMatrix == o.projectionMatrix;
+}
+
+bool CustomLayerRenderParameters::operator!=(const CustomLayerRenderParameters& o) const {
+    return !(*this == o);
+}
+
 } // namespace style
 } // namespace mbgl
-- 
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