39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
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package main
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import (
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"fmt"
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"github.com/veandco/go-sdl2/sdl"
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)
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func profileSection(section func()) uint64 {
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start := sdl.GetTicks64()
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section()
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end := sdl.GetTicks64()
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return end - start
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}
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func logProfilingInfo(handleEventsTime, renderTime, scaleTime, frameTime, frameCount uint64) {
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floatFrame := float64(frameCount)
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fmt.Printf("Average handleEvents time: %f ms\n", float64(handleEventsTime)/floatFrame)
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fmt.Printf("Average render time: %f ms\n", float64(renderTime)/floatFrame)
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fmt.Printf("Average scaling time: %f ms\n", float64(scaleTime)/floatFrame)
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fmt.Printf("Average frame time: %f ms\n", float64(frameTime)/floatFrame)
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fmt.Print("\n")
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}
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func resetProfilingCounters(handleEventsTime, renderTime, scaleTime, frameTime *uint64, frameCount *uint64) {
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*handleEventsTime = 0
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*renderTime = 0
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*scaleTime = 0
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*frameTime = 0
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*frameCount = 0
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}
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func enforceFrameRate(frameStart uint64, targetFPS int) {
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frameDuration := 1000 / targetFPS
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elapsed := sdl.GetTicks64() - frameStart
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if delay := frameDuration - int(elapsed); delay > 0 {
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sdl.Delay(uint32(delay))
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}
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}
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