37 lines
736 B
C++
37 lines
736 B
C++
#include <mbgl/gl/headless_backend.hpp>
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#include <QGLWidget>
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#include <QOpenGLContext>
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#include <cassert>
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namespace mbgl {
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class QtBackendImpl : public HeadlessBackend::Impl {
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public:
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~QtBackendImpl() final = default;
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gl::ProcAddress getExtensionFunctionPointer(const char* name) final {
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QOpenGLContext* thisContext = QOpenGLContext::currentContext();
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return thisContext->getProcAddress(name);
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}
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void activateContext() final {
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widget.makeCurrent();
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}
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void deactivateContext() final {
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widget.doneCurrent();
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}
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private:
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QGLWidget widget;
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};
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void HeadlessBackend::createImpl() {
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assert(!impl);
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impl = std::make_unique<QtBackendImpl>();
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}
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} // namespace mbgl
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