51 lines
1.0 KiB
C++
51 lines
1.0 KiB
C++
#pragma once
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#include <mbgl/renderer/renderer_backend.hpp>
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#include <memory>
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#include <functional>
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namespace mbgl {
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class HeadlessBackend : public RendererBackend {
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public:
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HeadlessBackend(Size = { 256, 256 });
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~HeadlessBackend() override;
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void bind() override;
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Size getFramebufferSize() const override;
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void updateAssumedState() override;
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void setSize(Size);
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PremultipliedImage readStillImage();
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class Impl {
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public:
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virtual ~Impl() = default;
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virtual gl::ProcAddress getExtensionFunctionPointer(const char*) = 0;
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virtual void activateContext() = 0;
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virtual void deactivateContext() {}
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};
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private:
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// Implementation specific functions
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gl::ProcAddress getExtensionFunctionPointer(const char*) override;
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void activate() override;
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void deactivate() override;
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void createImpl();
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private:
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std::unique_ptr<Impl> impl;
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Size size;
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float pixelRatio;
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bool active = false;
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class View;
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std::unique_ptr<View> view;
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};
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} // namespace mbgl
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