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uidriver/glfw: Add comments

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Updates #1004
This commit is contained in:
Hajime Hoshi 2019-12-08 02:04:00 +09:00
parent 80fbc9701c
commit 22e3db6814
1 changed files with 2 additions and 0 deletions
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2
internal/uidriver/glfw/ui.go
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@ -982,6 +982,7 @@ func (u *UserInterface) setScreenSize(width, height int, scale float64, fullscre
u.window.SetMonitor(m, 0, 0, v.Width, v.Height, v.RefreshRate)
// Swapping buffer is necesary to prevent the image lag (#1004).
// TODO: This might not work when vsync is disabled.
if u.graphics.IsGL() {
glfw.PollEvents()
u.swapBuffers()
@ -991,6 +992,7 @@ func (u *UserInterface) setScreenSize(width, height int, scale float64, fullscre
if u.graphics.IsGL() {
// When OpenGL is used, swapping buffer is enough to solve the image-lag
// issue (#1004). Rather, recreating window destroys GPU resources.
// TODO: This might not work when vsync is disabled.
u.window.SetMonitor(nil, 0, 0, 16, 16, 0)
glfw.PollEvents()
u.swapBuffers()