From 427d02d477f7a3bf279e4f727f2d0d71faa98c28 Mon Sep 17 00:00:00 2001
From: Dane Springmeyer <dane@mapbox.com>
Date: Sun, 10 Sep 2017 10:30:27 -0700
Subject: [PATCH] Revert "cairo support for layer level comp-op and opacity"

This reverts commit 15daac26e7b6280dd02f7f2e3ca7171db297bac1.
---
 src/cairo/cairo_renderer.cpp | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/src/cairo/cairo_renderer.cpp b/src/cairo/cairo_renderer.cpp
index 162fd6096..59d09a8e5 100644
--- a/src/cairo/cairo_renderer.cpp
+++ b/src/cairo/cairo_renderer.cpp
@@ -188,25 +188,12 @@ void cairo_renderer<T>::start_layer_processing(layer const& lay, box2d<double> c
         common_.detector_->clear();
     }
     common_.query_extent_ = query_extent;
-
-    if (lay.comp_op() || lay.get_opacity() < 1.0)
-    {
-        context_.push_group();
-    }
 }
 
 template <typename T>
-void cairo_renderer<T>::end_layer_processing(layer const& lay)
+void cairo_renderer<T>::end_layer_processing(layer const&)
 {
     MAPNIK_LOG_DEBUG(cairo_renderer) << "cairo_renderer: End layer processing";
-
-    if (lay.comp_op() || lay.get_opacity() < 1.0)
-    {
-        context_.pop_group();
-        composite_mode_e comp_op = lay.comp_op() ? *lay.comp_op() : src_over;
-        context_.set_operator(comp_op);
-        context_.paint(lay.get_opacity());
-    }
 }
 
 template <typename T>