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graphicsdriver/metal: Make (*Driver).Flush do nothing

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This commit is contained in:
Hajime Hoshi 2019-04-20 16:37:59 +09:00
parent 72be1bde24
commit b99f4c61b5
2 changed files with 6 additions and 12 deletions
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13
internal/graphicsdriver/metal/driver.go
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@ -329,6 +329,7 @@ func (d *Driver) Begin() {
}
func (d *Driver) End() {
d.flush(false, true)
mainthread.Run(func() error {
d.screenDrawable = ca.MetalDrawable{}
C.releaseAutoreleasePool(d.pool)
@ -361,18 +362,16 @@ func (d *Driver) SetVertices(vertices []float32, indices []uint16) {
}
func (d *Driver) Flush() {
d.flush(false)
// On Metal, flushing command buffers only once is enough. Do not call flush.
}
func (d *Driver) flush(wait bool) {
func (d *Driver) flush(wait bool, present bool) {
mainthread.Run(func() error {
if d.cb == (mtl.CommandBuffer{}) {
return nil
}
// TODO: Calling PresentDrawable here is odd since flush is not related to preseinging.
// Call it at End().
if d.screenDrawable != (ca.MetalDrawable{}) {
if present && d.screenDrawable != (ca.MetalDrawable{}) {
d.cb.PresentDrawable(d.screenDrawable)
}
d.cb.Commit()
@ -765,7 +764,7 @@ func (i *Image) syncTexture() {
}
func (i *Image) Pixels() ([]byte, error) {
i.driver.flush(true)
i.driver.flush(true, false)
i.syncTexture()
b := make([]byte, 4*i.width*i.height)
@ -793,7 +792,7 @@ func (i *Image) SetAsSource() {
}
func (i *Image) ReplacePixels(pixels []byte, x, y, width, height int) {
i.driver.flush(true)
i.driver.flush(true, false)
mainthread.Run(func() error {
i.texture.ReplaceRegion(mtl.Region{

5
uicontext.go
View File

@ -109,11 +109,6 @@ func (c *uiContext) Update(afterFrameUpdate func()) error {
afterFrameUpdate()
}
// Before clearing the screen, the offscreen's pixels must be resolved.
// After clearing the screen, resolving doesn't work. This is very hacky
// but we could not find other way so far (#792).
c.offscreen.resolvePendingPixels(true)
// This clear is needed for fullscreen mode or some mobile platforms (#622).
c.screen.Clear()