1 files changed, 0 insertions, 84 deletions
diff --git a/include/mbgl/map/backend.hpp b/include/mbgl/map/backend.hpp
deleted file mode 100644
index 3347086571..0000000000
--- a/include/mbgl/map/backend.hpp
+++ /dev/null
@@ -1,84 +0,0 @@
-#pragma once
-
-#include <mbgl/map/view.hpp>
-#include <mbgl/map/backend_scope.hpp>
-#include <mbgl/util/image.hpp>
-#include <mbgl/util/size.hpp>
-
-#include <memory>
-#include <mutex>
-
-namespace mbgl {
-
-namespace gl {
-class Context;
-using ProcAddress = void (*)();
-using FramebufferID = uint32_t;
-} // namespace gl
-
-class Backend {
-public:
-    Backend();
-    virtual ~Backend();
-
-    // Returns the backend's context which manages OpenGL state.
-    gl::Context& getContext();
-
-    // Called prior to rendering to update the internally assumed OpenGL state.
-    virtual void updateAssumedState() = 0;
-
-    inline virtual BackendScope::ScopeType getScopeType() const {
-        return BackendScope::ScopeType::Explicit;
-    };
-
-protected:
-    // Called with the name of an OpenGL extension that should be loaded. Backend implementations
-    // must call the API-specific version that obtains the function pointer for this function,
-    // or a null pointer if unsupported/unavailable.
-    virtual gl::ProcAddress initializeExtension(const char*) = 0;
-
-    // Called when the backend's GL context needs to be made active or inactive. These are called,
-    // as a matched pair, in four situations:
-    //
-    //   1. When releasing GL resources during Map destruction
-    //   2. When calling a CustomLayerInitializeFunction, during Map::addLayer
-    //   3. When calling a CustomLayerDeinitializeFunction, during Map::removeLayer
-    //   4. When rendering for Map::renderStill
-    //
-    // They are *not* called for Map::render; it is assumed that the correct context is already
-    // activated prior to calling Map::render.
-    virtual void activate() = 0;
-    virtual void deactivate() = 0;
-
-    // Reads the color pixel data from the currently bound framebuffer.
-    PremultipliedImage readFramebuffer(const Size&) const;
-
-    // A constant to signal that a framebuffer is bound, but with an unknown ID.
-    static constexpr const gl::FramebufferID ImplicitFramebufferBinding =
-        std::numeric_limits<gl::FramebufferID>::max();
-
-    // Tells the renderer that OpenGL state has already been set by the windowing toolkit.
-    // It sets the internal assumed state to the supplied values.
-    void assumeFramebufferBinding(gl::FramebufferID fbo);
-    void assumeViewport(int32_t x, int32_t y, const Size&);
-    void assumeScissorTest(bool);
-
-    // Returns true when assumed framebuffer binding hasn't changed from the implicit binding.
-    bool implicitFramebufferBound();
-
-    // Triggers an OpenGL state update if the internal assumed state doesn't match the
-    // supplied values.
-    void setFramebufferBinding(gl::FramebufferID fbo);
-    void setViewport(int32_t x, int32_t y, const Size&);
-    void setScissorTest(bool);
-
-protected:
-    std::unique_ptr<gl::Context> context;
-
-private:
-    std::once_flag initialized;
-
-    friend class BackendScope;
-};
-
-} // namespace mbgl