From fb8d40ae6754ef1becd09cd91d45b1f980cf19e5 Mon Sep 17 00:00:00 2001
From: John Firebaugh <john.firebaugh@gmail.com>
Date: Fri, 21 Jul 2017 01:17:50 -0700
Subject: [core] Work around Adreno 2xx GPU bugs (#9573)

---
 src/mbgl/gl/context.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/mbgl/gl/context.cpp b/src/mbgl/gl/context.cpp
index 35683cff89..1a8d5c0775 100644
--- a/src/mbgl/gl/context.cpp
+++ b/src/mbgl/gl/context.cpp
@@ -615,6 +615,13 @@ void Context::setDrawMode(const TriangleStrip&) {
 void Context::setDepthMode(const DepthMode& depth) {
     if (depth.func == DepthMode::Always && !depth.mask) {
         depthTest = false;
+
+        // Workaround for rendering errors on Adreno 2xx GPUs. Depth-related state should
+        // not matter when the depth test is disabled, but on these GPUs it apparently does.
+        // https://github.com/mapbox/mapbox-gl-native/issues/9164
+        depthFunc = depth.func;
+        depthMask = depth.mask;
+        depthRange = depth.range;
     } else {
         depthTest = true;
         depthFunc = depth.func;
-- 
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