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gpu,app/internal/wm: add Metal port

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The OpenGL (ES) implementations on Apple platforms are deprecated and
don't support GPU compute programs. This change adds support for the
replacement, the Metal GPU API.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-08-03 16:53:42 +02:00
parent a7f08eedf3
commit 3b2992c37e
21 changed files with 1603 additions and 151 deletions
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app/internal/wm/os_ios.go
+6 -39
View File
@@ -46,24 +46,6 @@ static void hideTextInput(CFTypeRef viewRef) {
[view resignFirstResponder];
}
static void addLayerToView(CFTypeRef viewRef, CFTypeRef layerRef) {
UIView *view = (__bridge UIView *)viewRef;
CALayer *layer = (__bridge CALayer *)layerRef;
[view.layer addSublayer:layer];
}
static void updateView(CFTypeRef viewRef, CFTypeRef layerRef) {
UIView *view = (__bridge UIView *)viewRef;
CAEAGLLayer *layer = (__bridge CAEAGLLayer *)layerRef;
layer.contentsScale = view.contentScaleFactor;
layer.bounds = view.bounds;
}
static void removeLayer(CFTypeRef layerRef) {
CALayer *layer = (__bridge CALayer *)layerRef;
[layer removeFromSuperlayer];
}
static struct drawParams viewDrawParams(CFTypeRef viewRef) {
UIView *v = (__bridge UIView *)viewRef;
struct drawParams params;
@@ -92,7 +74,6 @@ import (
"image"
"runtime"
"runtime/debug"
"sync/atomic"
"time"
"unicode/utf16"
"unsafe"
@@ -112,8 +93,7 @@ type window struct {
w Callbacks
displayLink *displayLink
layer C.CFTypeRef
visible atomic.Value
visible bool
cursor pointer.CursorName
pointerMap []C.CFTypeRef
@@ -121,8 +101,6 @@ type window struct {
var mainWindow = newWindowRendezvous()
var layerFactory func() uintptr
var views = make(map[C.CFTypeRef]*window)
func init() {
@@ -145,9 +123,6 @@ func onCreate(view C.CFTypeRef) {
wopts := <-mainWindow.out
w.w = wopts.window
w.w.SetDriver(w)
w.visible.Store(false)
w.layer = C.CFTypeRef(layerFactory())
C.addLayerToView(view, w.layer)
views[view] = w
w.w.Event(system.StageEvent{Stage: system.StagePaused})
}
@@ -163,9 +138,8 @@ func (w *window) draw(sync bool) {
if params.width == 0 || params.height == 0 {
return
}
wasVisible := w.isVisible()
w.visible.Store(true)
C.updateView(w.view, w.layer)
wasVisible := w.visible
w.visible = true
if !wasVisible {
w.w.Event(system.StageEvent{Stage: system.StageRunning})
}
@@ -195,7 +169,7 @@ func (w *window) draw(sync bool) {
//export onStop
func onStop(view C.CFTypeRef) {
w := views[view]
w.visible.Store(false)
w.visible = false
w.w.Event(system.StageEvent{Stage: system.StagePaused})
}
@@ -205,9 +179,6 @@ func onDestroy(view C.CFTypeRef) {
delete(views, view)
w.w.Event(system.DestroyEvent{})
w.displayLink.Close()
C.removeLayer(w.layer)
C.CFRelease(w.layer)
w.layer = 0
w.view = 0
}
@@ -341,12 +312,8 @@ func (w *window) lookupTouch(last bool, touch C.CFTypeRef) pointer.ID {
return pointer.ID(id)
}
func (w *window) contextLayer() uintptr {
return uintptr(w.layer)
}
func (w *window) isVisible() bool {
return w.visible.Load().(bool)
func (w *window) contextView() C.CFTypeRef {
return w.view
}
func (w *window) ShowTextInput(show bool) {