4 files changed, 24 insertions, 16 deletions
diff --git a/platform/default/mbgl/gl/headless_backend.cpp b/platform/default/mbgl/gl/headless_backend.cpp
index ba08aecab7..f785865667 100644
--- a/platform/default/mbgl/gl/headless_backend.cpp
+++ b/platform/default/mbgl/gl/headless_backend.cpp
@@ -21,8 +21,8 @@ public:
     gl::Framebuffer framebuffer;
 };
 
-HeadlessBackend::HeadlessBackend(Size size_)
-    : size(size_) {
+HeadlessBackend::HeadlessBackend(Size size_, GLContextMode mode_)
+    : RendererBackend(mode_), size(size_) {
 }
 
 HeadlessBackend::~HeadlessBackend() {
diff --git a/platform/default/mbgl/gl/headless_backend.hpp b/platform/default/mbgl/gl/headless_backend.hpp
index 7757037533..3768fef15c 100644
--- a/platform/default/mbgl/gl/headless_backend.hpp
+++ b/platform/default/mbgl/gl/headless_backend.hpp
@@ -9,7 +9,7 @@ namespace mbgl {
 
 class HeadlessBackend : public RendererBackend {
 public:
-    HeadlessBackend(Size = { 256, 256 });
+    HeadlessBackend(Size = { 256, 256 }, GLContextMode = GLContextMode::Automatic);
     ~HeadlessBackend() override;
 
     void bind() override;
diff --git a/platform/default/mbgl/gl/headless_frontend.cpp b/platform/default/mbgl/gl/headless_frontend.cpp
index 4263d2b148..16c477dd00 100644
--- a/platform/default/mbgl/gl/headless_frontend.cpp
+++ b/platform/default/mbgl/gl/headless_frontend.cpp
@@ -11,18 +11,26 @@ HeadlessFrontend::HeadlessFrontend(float pixelRatio_, FileSource& fileSource, Sc
     : HeadlessFrontend({ 256, 256 }, pixelRatio_, fileSource, scheduler, programCacheDir, mode, localFontFamily) {
 }
 
-HeadlessFrontend::HeadlessFrontend(Size size_, float pixelRatio_, FileSource& fileSource, Scheduler& scheduler, const optional<std::string> programCacheDir, GLContextMode mode, const optional<std::string> localFontFamily)
+HeadlessFrontend::HeadlessFrontend(Size size_,
+                                   float pixelRatio_,
+                                   FileSource& fileSource,
+                                   Scheduler& scheduler,
+                                   const optional<std::string> programCacheDir,
+                                   GLContextMode mode,
+                                   const optional<std::string> localFontFamily)
     : size(size_),
-    pixelRatio(pixelRatio_),
-    backend({ static_cast<uint32_t>(size.width * pixelRatio),
-              static_cast<uint32_t>(size.height * pixelRatio) }),
-    asyncInvalidate([this] {
-        if (renderer && updateParameters) {
-            mbgl::BackendScope guard { backend };
-            renderer->render(*updateParameters);
-        }
-    }),
-    renderer(std::make_unique<Renderer>(backend, pixelRatio, fileSource, scheduler, mode, programCacheDir, localFontFamily)) {
+      pixelRatio(pixelRatio_),
+      backend({ static_cast<uint32_t>(size.width * pixelRatio),
+                static_cast<uint32_t>(size.height * pixelRatio) },
+              mode),
+      asyncInvalidate([this] {
+          if (renderer && updateParameters) {
+              mbgl::BackendScope guard{ backend };
+              renderer->render(*updateParameters);
+          }
+      }),
+      renderer(std::make_unique<Renderer>(
+          backend, pixelRatio, fileSource, scheduler, mode, programCacheDir, localFontFamily)) {
 }
 
 HeadlessFrontend::~HeadlessFrontend() = default;
diff --git a/platform/default/mbgl/gl/headless_frontend.hpp b/platform/default/mbgl/gl/headless_frontend.hpp
index 8ae617d37b..eab922945b 100644
--- a/platform/default/mbgl/gl/headless_frontend.hpp
+++ b/platform/default/mbgl/gl/headless_frontend.hpp
@@ -19,8 +19,8 @@ class TransformState;
 
 class HeadlessFrontend : public RendererFrontend {
 public:
-    HeadlessFrontend(float pixelRatio_, FileSource&, Scheduler&, const optional<std::string> programCacheDir = {}, GLContextMode mode = GLContextMode::Unique, const optional<std::string> localFontFamily = {});
-    HeadlessFrontend(Size, float pixelRatio_, FileSource&, Scheduler&, const optional<std::string> programCacheDir = {}, GLContextMode mode = GLContextMode::Unique, const optional<std::string> localFontFamily = {});
+    HeadlessFrontend(float pixelRatio_, FileSource&, Scheduler&, const optional<std::string> programCacheDir = {}, GLContextMode mode = GLContextMode::Automatic, const optional<std::string> localFontFamily = {});
+    HeadlessFrontend(Size, float pixelRatio_, FileSource&, Scheduler&, const optional<std::string> programCacheDir = {}, GLContextMode mode = GLContextMode::Automatic, const optional<std::string> localFontFamily = {});
     ~HeadlessFrontend() override;
 
     void reset() override;