55 lines
997 B
Go
55 lines
997 B
Go
|
package swapchain
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
gosync "sync"
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"zworld/engine/renderapi/device"
|
||
|
|
"zworld/engine/renderapi/sync"
|
||
|
|
)
|
||
|
|
|
||
|
|
type Context struct {
|
||
|
|
Index int
|
||
|
|
Start time.Time
|
||
|
|
ImageAvailable sync.Semaphore
|
||
|
|
RenderComplete sync.Semaphore
|
||
|
|
|
||
|
|
image int
|
||
|
|
inFlight *gosync.Mutex
|
||
|
|
}
|
||
|
|
|
||
|
|
func newContext(dev device.T, index int) *Context {
|
||
|
|
return &Context{
|
||
|
|
Index: index,
|
||
|
|
ImageAvailable: sync.NewSemaphore(dev, fmt.Sprintf("ImageAvailable:%d", index)),
|
||
|
|
RenderComplete: sync.NewSemaphore(dev, fmt.Sprintf("RenderComplete:%d", index)),
|
||
|
|
inFlight: &gosync.Mutex{},
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func DummyContext() *Context {
|
||
|
|
return &Context{
|
||
|
|
inFlight: &gosync.Mutex{},
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *Context) Destroy() {
|
||
|
|
if c.ImageAvailable != nil {
|
||
|
|
c.ImageAvailable.Destroy()
|
||
|
|
c.ImageAvailable = nil
|
||
|
|
}
|
||
|
|
if c.RenderComplete != nil {
|
||
|
|
c.RenderComplete.Destroy()
|
||
|
|
c.RenderComplete = nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *Context) Aquire() {
|
||
|
|
c.inFlight.Lock()
|
||
|
|
}
|
||
|
|
|
||
|
|
func (c *Context) Release() {
|
||
|
|
c.inFlight.Unlock()
|
||
|
|
}
|