2015-12-31 15:59:40 +00:00
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#pragma once
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#include <string>
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#include "thin3d/thin3d.h"
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// Init is done differently on each platform, and done close to the creation, so it's
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// expected to be implemented by subclasses.
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class GraphicsContext {
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public:
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virtual ~GraphicsContext() {}
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2018-01-16 13:16:56 +00:00
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virtual bool InitFromRenderThread(std::string *errorMessage) { return true; }
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2018-01-16 17:13:31 +00:00
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virtual void ShutdownFromRenderThread() {}
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2017-12-15 11:40:38 +00:00
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2015-12-31 15:59:40 +00:00
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virtual void Shutdown() = 0;
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virtual void SwapInterval(int interval) = 0;
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2016-01-01 11:14:09 +00:00
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2015-12-31 15:59:40 +00:00
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virtual void SwapBuffers() = 0;
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// Used during window resize. Must be called from the window thread,
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// not the rendering thread or CPU thread.
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virtual void Pause() {}
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virtual void Resume() {}
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virtual void Resize() = 0;
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2016-01-05 20:18:43 +00:00
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// Needs casting to the appropriate type, unfortunately. Should find a better solution..
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virtual void *GetAPIContext() { return nullptr; }
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2017-12-15 11:40:38 +00:00
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// Called from the render thread from threaded backends.
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2018-01-16 17:13:31 +00:00
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virtual void ThreadStart() {}
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virtual bool ThreadFrame() { return true; }
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virtual void ThreadEnd() {}
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2018-02-11 00:12:33 +00:00
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virtual void StopThread() {}
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2017-12-15 11:40:38 +00:00
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2017-02-06 10:20:27 +00:00
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virtual Draw::DrawContext *GetDrawContext() = 0;
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2015-12-31 15:59:40 +00:00
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};
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class DummyGraphicsContext : public GraphicsContext {
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public:
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void Shutdown() override {}
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void SwapInterval(int interval) override {}
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void SwapBuffers() override {}
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void Resize() override {}
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2017-02-06 10:20:27 +00:00
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Draw::DrawContext *GetDrawContext() override { return nullptr; }
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2017-11-09 11:26:08 +00:00
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};
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