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ui: setScreenSize in ui_glfw.go no longer returns error

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This commit is contained in:
Hajime Hoshi 2017-03-03 10:50:47 +09:00
parent 0ba28d1183
commit b6b61fc003
1 changed files with 17 additions and 37 deletions
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60
internal/ui/ui_glfw.go
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@ -126,16 +126,10 @@ func SetScreenSize(width, height int) (bool, error) {
return false, errors.New("ui: Run is not called yet")
}
r := false
if err := u.runOnMainThread(func() error {
var err error
r, err = u.setScreenSize(width, height, u.scale)
if err != nil {
return err
}
_ = u.runOnMainThread(func() error {
u.setScreenSize(width, height, u.scale)
return nil
}); err != nil {
return false, err
}
})
return r, nil
}
@ -145,16 +139,10 @@ func SetScreenScale(scale float64) (bool, error) {
return false, errors.New("ui: Run is not called yet")
}
r := false
if err := u.runOnMainThread(func() error {
var err error
r, err = u.setScreenSize(u.width, u.height, scale)
if err != nil {
return err
}
_ = u.runOnMainThread(func() error {
u.setScreenSize(u.width, u.height, scale)
return nil
}); err != nil {
return false, err
}
})
return r, nil
}
@ -197,11 +185,7 @@ func Run(width, height int, scale float64, title string, g GraphicsContext) erro
if err := u.runOnMainThread(func() error {
m := glfw.GetPrimaryMonitor()
v := m.GetVideoMode()
r, err := u.setScreenSize(width, height, scale)
if err != nil {
return err
}
if !r {
if !u.setScreenSize(width, height, scale) {
return errors.New("ui: Fail to set the screen size")
}
u.window.SetTitle(title)
@ -295,22 +279,20 @@ func (u *userInterface) loop(g GraphicsContext) error {
if err := glContext.BindScreenFramebuffer(); err != nil {
return err
}
if err := u.runOnMainThread(func() error {
return u.swapBuffers()
}); err != nil {
return err
}
}
}
func (u *userInterface) swapBuffers() error {
u.window.SwapBuffers()
_ = u.runOnMainThread(func() error {
u.swapBuffers()
return nil
})
}
}
func (u *userInterface) setScreenSize(width, height int, scale float64) (bool, error) {
func (u *userInterface) swapBuffers() {
u.window.SwapBuffers()
}
func (u *userInterface) setScreenSize(width, height int, scale float64) bool {
if u.width == width && u.height == height && u.scale == scale {
return false, nil
return false
}
origScale := u.scale
@ -323,16 +305,14 @@ func (u *userInterface) setScreenSize(width, height int, scale float64) (bool, e
const minWindowWidth = 252
if int(float64(width)*u.actualScreenScale()) < minWindowWidth {
u.scale = origScale
return false, nil
return false
}
u.width = width
u.height = height
// To make sure the current existing framebuffers are rendered,
// swap buffers here before SetSize is called.
if err := u.swapBuffers(); err != nil {
return false, err
}
u.swapBuffers()
ch := make(chan struct{})
window := u.window
@ -353,5 +333,5 @@ event:
}
}
u.sizeChanged = true
return true, nil
return true
}