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Simplified further: eliminated delegate. Which means I can go frame-free internally to the CRT at some point, if I want.
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@ -137,38 +137,11 @@ class CRT {
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uint8_t *get_write_target_for_buffer(int buffer);
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// MARK: Binding
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class Delegate {
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public:
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/*! Notifies the delegate that a new frame is complete, providing an ID for it.
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The delegate then owns that frame. It can draw it by issuing an @c draw_frame
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call to the CRT. It should call @c return_frame to return the oldest frame it
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is currently holding.
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@param crt The CRT that produced the new frame.
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@param frame_id An identifier for the finished frame, used for calls to @c draw_frame.
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@param did_detect_vsync @c true if this frame ended due to a vsync signal detected in
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the incoming signal; @c false otherwise.
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*/
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virtual void crt_did_end_frame(CRT *crt, int frame_id, bool did_detect_vsync) = 0;
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};
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/*! Sets the CRT frame delegate. The delegate will be notified as frames are completed; it is
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responsible for requesting that they be drawn and returning them when they are no longer needed.
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@param delegate The delegate.
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/*! Causes appropriate OpenGL or OpenGL ES calls to be issued in order to draw the current CRT state.
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The caller is responsible for ensuring that a valid OpenGL context exists for the duration of this call.
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*/
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void set_delegate(std::weak_ptr<Delegate> delegate);
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/*! Causes appropriate OpenGL or OpenGL ES calls to be made in order to draw a frame. The caller
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is responsible for ensuring that a valid OpenGL context exists for the duration of this call.
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@param frame_id The frame to draw.
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*/
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void draw_frame(int frame_id);
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/*! Indicates that the delegate has no further interest in the oldest frame posted to it. */
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void return_frame();
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void draw_frame();
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/*! Tells the CRT that the next call to draw_frame will occur on a different OpenGL context than
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the previous.
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