Synchronous display method and device, electronic device and storage medium
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example 1
[0154] The key technology of this example is the synchronous refresh algorithm. This algorithm will count the extreme value of the interruption period of the vsync of screen 1 and screen 2 (corresponding to the extreme value of the actual generation period mentioned above), and predict the next screen 1 and screen 2 according to this information. The refresh interval (the difference in the generation time of the respective interrupt signals of the two screens), if the interval is too large, a certain frame of picture will be lost, and the refresh of the picture will be resumed after the interval returns to normal. Because the frame loss is 1-2 frames in a very short time, it can be ignored for 60 frames per second, and the user cannot perceive it. Vsync is an interrupt signal generated when the screen is refreshed. The screen is refreshed 60 times per second, that is, 60 vsync interrupt signals are generated.
[0155] This example provides a method for dual-screen synchronous ...
example 2
[0163] like Figure 10 As shown, when the display data is ready to be put into the display buffer area, the logic execution module (which can be a component of the aforementioned prediction module) obtains data (for example, the generation time of the interrupt signal) from the data acquisition module, and calculates the latest time between the two screens. V1n and V2n, and e1 and e2.
[0164] like Figure 11 shown, an update to this example screen repeats the following steps:
[0165] S1101: screen refresh generates vsync;
[0166] S1102: Which screen is recorded, the number of times the interrupt signal is generated in this recording time window, and the corresponding time value.
[0167] Figure 12 The flow chart of the logic execution module that provides the method for this example includes:
[0168] Step S1201: when the display data is ready to be put into the display buffer area, obtain the data from the data acquisition module;
[0169] Step S1202: Calculate the ...
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