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#include <mbgl/gl/headless_backend.hpp>
#include <mbgl/gl/headless_display.hpp>
#include <mbgl/gl/context.hpp>
#include <mbgl/renderer/backend_scope.hpp>
#include <cassert>
#include <stdexcept>
#include <type_traits>
namespace mbgl {
HeadlessBackend::HeadlessBackend() = default;
HeadlessBackend::HeadlessBackend(std::shared_ptr<HeadlessDisplay> display_)
: display(std::move(display_)) {
}
HeadlessBackend::~HeadlessBackend() {
BackendScope guard { *this, getScopeType() };
context.reset();
}
void HeadlessBackend::activate() {
active = true;
if (!hasContext()) {
if (!hasDisplay()) {
throw std::runtime_error("Display is not set");
}
createContext();
}
assert(hasContext());
impl->activateContext();
}
void HeadlessBackend::deactivate() {
assert(hasContext());
impl->deactivateContext();
active = false;
}
void HeadlessBackend::updateAssumedState() {
// no-op
}
} // namespace mbgl
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