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internal/ui: move some context-dependent processes to updateFrameImpl

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This is a preparation to introduce an independent thread for rendering.

Updates #2512
This commit is contained in:
Hajime Hoshi 2022-12-30 16:28:07 +09:00
parent b9fb4e9f50
commit 0fc21470e2
1 changed files with 18 additions and 15 deletions
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33
internal/ui/ui_glfw.go
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@ -108,6 +108,8 @@ type userInterfaceImpl struct {
defaultFramebufferSizeCallback glfw.FramebufferSizeCallback
framebufferSizeCallbackCh chan struct{}
glContextSetOnce sync.Once
mainThread threadInterface
m sync.RWMutex
}
@ -568,7 +570,6 @@ func (u *userInterfaceImpl) SetFPSMode(mode FPSModeType) {
return
}
u.setFPSMode(mode)
u.updateVsync()
})
}
@ -685,10 +686,6 @@ func (u *userInterfaceImpl) createWindow(width, height int) error {
// Ensure to consume this callback.
u.waitForFramebufferSizeCallback(u.window, nil)
if u.graphicsDriver.IsGL() {
u.window.MakeContextCurrent()
}
u.window.SetInputMode(glfw.CursorMode, driverCursorModeToGLFWCursorMode(u.getInitCursorMode()))
u.window.SetCursor(glfwSystemCursors[u.getCursorShape()])
u.window.SetTitle(u.title)
@ -979,10 +976,6 @@ func (u *userInterfaceImpl) update() (float64, float64, error) {
u.setFPSMode(u.fpsMode)
}
// Call updateVsync even though fpsMode is not updated.
// When toggling to fullscreen, vsync state might be reset unexpectedly (#1787).
u.updateVsync()
if u.fpsMode != FPSModeVsyncOffMinimum {
// TODO: Updating the input can be skipped when clock.Update returns 0 (#1367).
glfw.PollEvents()
@ -1032,16 +1025,26 @@ func (u *userInterfaceImpl) updateGame() error {
return err
}
u.glContextSetOnce.Do(func() {
u.mainThread.Call(func() {
if u.graphicsDriver.IsGL() {
u.window.MakeContextCurrent()
}
})
})
if err := u.context.updateFrame(u.graphicsDriver, outsideWidth, outsideHeight, deviceScaleFactor, u); err != nil {
return err
}
// swapBuffers also checks IsGL, so this condition is redundant.
// However, (*thread).Call is not good for performance due to channels.
// Let's avoid this whenever possible (#1367).
if u.graphicsDriver.IsGL() {
u.mainThread.Call(u.swapBuffers)
}
u.mainThread.Call(func() {
// Call updateVsync even though fpsMode is not updated.
// When toggling to fullscreen, vsync state might be reset unexpectedly (#1787).
u.updateVsync()
// This works only for OpenGL.
u.swapBuffers()
})
return nil
}