73 lines
1.4 KiB
C++
73 lines
1.4 KiB
C++
#include <mbgl/gl/headless_backend.hpp>
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#include <mbgl/gl/headless_display.hpp>
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#include <cassert>
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#include <stdexcept>
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#include <type_traits>
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namespace mbgl {
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HeadlessBackend::HeadlessBackend() {
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activate();
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}
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HeadlessBackend::HeadlessBackend(std::shared_ptr<HeadlessDisplay> display_)
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: display(std::move(display_)) {
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activate();
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}
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HeadlessBackend::~HeadlessBackend() {
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deactivate();
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destroyContext();
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}
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void HeadlessBackend::activate() {
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active = true;
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if (!hasContext()) {
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if (!hasDisplay()) {
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throw std::runtime_error("Display is not set");
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}
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createContext();
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}
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activateContext();
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if (!extensionsLoaded) {
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gl::InitializeExtensions(initializeExtension);
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extensionsLoaded = true;
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}
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}
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void HeadlessBackend::deactivate() {
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deactivateContext();
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active = false;
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}
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void HeadlessBackend::invalidate() {
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assert(false);
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}
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void HeadlessBackend::destroyContext() {
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assert(hasContext());
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impl.reset();
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}
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void HeadlessBackend::activateContext() {
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assert(hasContext());
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impl->activateContext();
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}
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void HeadlessBackend::deactivateContext() {
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assert(hasContext());
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impl->deactivateContext();
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}
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void HeadlessBackend::notifyMapChange(MapChange change) {
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if (mapChangeCallback) {
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mapChangeCallback(change);
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}
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}
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} // namespace mbgl
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