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work towards getting imgui properly working in viewer

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This commit is contained in:
Alex Yatskov 2018-12-29 13:24:55 -08:00
parent 676610386d
commit 0e1e1a51f0
3 changed files with 23 additions and 18 deletions
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5
platform/imgui_backend/imgui_backend.go
View File

@ -60,7 +60,6 @@ func Init() error {
io.KeyMap(imguiKey, nativeKey)
}
singleton.fontTexture = createFontTexture()
singleton.isInit = true
return nil
@ -87,6 +86,10 @@ func NewFrame(windowSize math.Vec2i) error {
return ErrWasNotInit
}
if singleton.fontTexture == 0 {
singleton.fontTexture = createFontTexture()
}
// Setup display size (every frame to accommodate for window resizing)
io := imgui.CurrentIO()
io.SetDisplaySize(imgui.Vec2{X: float32(windowSize.X), Y: float32(windowSize.Y)})

30
platform/platform.go
View File

@ -70,6 +70,21 @@ func Shutdown() error {
return nil
}
func CreateWindow(title string, width, height int, scene Scene) (*Window, error) {
if !state.isInit {
return nil, ErrWasNotInit
}
window, err := newWindow(title, width, height, scene)
if err != nil {
return nil, err
}
state.windows = append(state.windows, window)
return window, err
}
func ProcessEvents() error {
if !state.isInit {
return ErrWasNotInit
@ -91,21 +106,6 @@ func ProcessEvents() error {
return nil
}
func CreateWindow(title string, width, height int, scene Scene) (*Window, error) {
if !state.isInit {
return nil, ErrWasNotInit
}
window, err := newWindow(title, width, height, scene)
if err != nil {
return nil, err
}
state.windows = append(state.windows, window)
return window, err
}
func advanceWindows() {
for _, window := range state.windows {
window.advance()

6
platform/window.go
View File

@ -29,13 +29,13 @@ func newWindow(title string, width, height int, scene Scene) (*Window, error) {
return nil, err
}
sdlGlContext, err := sdlWindow.GLCreateContext()
sdlRenderer, err := sdl.CreateRenderer(sdlWindow, -1, sdl.RENDERER_ACCELERATED)
if err != nil {
sdlWindow.Destroy()
return nil, err
}
sdlRenderer, err := sdl.CreateRenderer(sdlWindow, -1, sdl.RENDERER_ACCELERATED)
sdlGlContext, err := sdlWindow.GLCreateContext()
if err != nil {
sdlWindow.Destroy()
return nil, err
@ -83,7 +83,9 @@ func (w *Window) RenderTexture(texture *Texture, srcRect, dstRect math.Rect4i) {
func (w *Window) advance() {
imgui_backend.NewFrame(w.displaySize())
w.scene.Advance(w)
imgui.Render()
w.sdlWindow.GLMakeCurrent(w.sdlGlContext)
imgui_backend.Render(w.displaySize(), w.bufferSize(), imgui.RenderedDrawData())
w.sdlWindow.GLSwap()