550f64be22
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
39 lines
994 B
C++
39 lines
994 B
C++
#pragma once
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namespace mln {
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namespace gfx {
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class RendererBackend;
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class BackendScope {
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public:
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/// There are two types of scopes: Creating an "Implicit" scope tells MapLibre
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/// Native that the supporting windowing system has already activated the
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/// RenderBackend and that no further actions are required. Creating an "Explicit"
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/// scope (the default) actually enables the RenderBackend, and disables it when
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/// the BackendScope is destroyed.
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enum class ScopeType : bool {
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Implicit,
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Explicit,
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};
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BackendScope(RendererBackend&, ScopeType = ScopeType::Explicit);
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~BackendScope();
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// Returns true when there is currently a BackendScope active in this thread.
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static bool exists();
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private:
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void activate();
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void deactivate();
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BackendScope* priorScope;
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BackendScope* nextScope;
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RendererBackend& backend;
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const ScopeType scopeType;
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bool activated = false;
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};
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} // namespace gfx
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} // namespace mln
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