Add LOW_LATENCY_LAYER_SLEEP_AFTER_PRESENT env as an explicit AL1 toggle

1 files changed, 9 insertions, 1 deletions

diff --git a/src/layer_context.cc b/src/layer_context.cc
index ceb0030..28a94b5 100644
--- a/src/layer_context.cc
+++ b/src/layer_context.cc
@@ -1,8 +1,16 @@
 #include "layer_context.hh"
 
+#include <cstdlib> // for env var
+#include <string_view>
+
 namespace low_latency {
 
-LayerContext::LayerContext() {}
+LayerContext::LayerContext() {
+    this->is_antilag_1_enabled = []() -> auto {
+        const auto env = std::getenv(LayerContext::SLEEP_AFTER_PRESENT_ENV);
+        return env && std::string_view{env} == "1";
+    }();
+}
 
 LayerContext::~LayerContext() {}