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internal/graphicsdriver/directx: refactoring: make the lifetime of uploadingStagingBuffer more explicit

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This commit is contained in:
Hajime Hoshi 2022-09-19 00:16:53 +09:00
parent 8e40c2ce7e
commit ccddd4ee20
1 changed files with 12 additions and 9 deletions
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21
internal/graphicsdriver/directx/graphics_windows.go
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@ -1499,17 +1499,19 @@ func (*Image) IsInvalidated() bool {
return false
}
func (i *Image) ensureUploadingStagingBuffer(size uint64) (*_ID3D12Resource, error) {
if i.uploadingStagingBuffer != nil && i.uploadingStagingBuffer.GetDesc().Width < size {
i.uploadingStagingBuffer.Release()
i.uploadingStagingBuffer = nil
}
func (i *Image) ensureUploadingStagingBuffer() (*_ID3D12Resource, error) {
// Unlike readingStagingBuffer, uploadingStagingBuffer's lifetime is not determined and cannot recreate easily.
// Then, keep using the same uploadingStagingBuffer for one image.
if i.uploadingStagingBuffer != nil {
return i.uploadingStagingBuffer, nil
}
usb, err := createBuffer(i.graphics.device, size, _D3D12_HEAP_TYPE_UPLOAD)
iw, ih := graphics.InternalImageSize(i.width), graphics.InternalImageSize(i.height)
alignedWidth := align(4 * iw)
size := alignedWidth * ih
usb, err := createBuffer(i.graphics.device, uint64(size), _D3D12_HEAP_TYPE_UPLOAD)
if err != nil {
return nil, err
}
@ -1617,9 +1619,7 @@ func (i *Image) WritePixels(args []*graphicsdriver.WritePixelsArgs) error {
return err
}
iw, ih := graphics.InternalImageSize(i.width), graphics.InternalImageSize(i.height)
alignedWidth := align(4 * iw)
usb, err := i.ensureUploadingStagingBuffer(uint64(alignedWidth * ih))
usb, err := i.ensureUploadingStagingBuffer()
if err != nil {
return err
}
@ -1635,6 +1635,9 @@ func (i *Image) WritePixels(args []*graphicsdriver.WritePixelsArgs) error {
i.graphics.needFlushCopyCommandList = true
iw, ih := graphics.InternalImageSize(i.width), graphics.InternalImageSize(i.height)
alignedWidth := align(4 * iw)
var srcBytes []byte
h := (*reflect.SliceHeader)(unsafe.Pointer(&srcBytes))
h.Data = uintptr(m)