forked from joejulian/gio
Elias Naur
97299dc2f9
The gioui.org/commit/74407a50d598bfd27e8f8e48b6832cc5df04de77 added a NewImageOp constructor that always copies the supplied image. It does that for two reasons: First, the image.Image reference is used in the image=>texture map of cached textures. Without a copy, we wouldn't detect a modified image even if a new ImageOp was created. Second, we don't want the program to touch the image while the GPU is uploading it. The second reason was removed in a previous change that blocks FrameEvent.Frame until we're done with the operations, including uploading images to the GPU. The first reason is easily fixed by using a unique per ImageOp, as pointed out by Alessandro Arzilli. This change switches to using the unique key. Alessandro's patch avoids the copy when possible. Signed-off-by: Elias Naur <mail@eliasnaur.com>
85 lines
1.5 KiB
Go
85 lines
1.5 KiB
Go
// SPDX-License-Identifier: Unlicense OR MIT
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package opconst
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type OpType byte
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// Start at a high number for easier debugging.
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const firstOpIndex = 200
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const (
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TypeMacroDef OpType = iota + firstOpIndex
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TypeMacro
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TypeTransform
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TypeLayer
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TypeInvalidate
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TypeImage
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TypePaint
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TypeColor
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TypeArea
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TypePointerInput
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TypePass
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TypeKeyInput
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TypeHideInput
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TypePush
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TypePop
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TypeAux
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TypeClip
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TypeProfile
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)
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const (
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TypeMacroDefLen = 1 + 4 + 4
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TypeMacroLen = 1 + 4 + 4 + 4
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TypeTransformLen = 1 + 4*2
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TypeLayerLen = 1
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TypeRedrawLen = 1 + 8
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TypeImageLen = 1
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TypePaintLen = 1 + 4*4
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TypeColorLen = 1 + 4
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TypeAreaLen = 1 + 1 + 4*4
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TypePointerInputLen = 1 + 1
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TypePassLen = 1 + 1
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TypeKeyInputLen = 1 + 1
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TypeHideInputLen = 1
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TypePushLen = 1
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TypePopLen = 1
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TypeAuxLen = 1
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TypeClipLen = 1 + 4*4
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TypeProfileLen = 1
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)
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func (t OpType) Size() int {
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return [...]int{
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TypeMacroDefLen,
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TypeMacroLen,
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TypeTransformLen,
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TypeLayerLen,
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TypeRedrawLen,
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TypeImageLen,
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TypePaintLen,
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TypeColorLen,
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TypeAreaLen,
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TypePointerInputLen,
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TypePassLen,
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TypeKeyInputLen,
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TypeHideInputLen,
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TypePushLen,
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TypePopLen,
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TypeAuxLen,
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TypeClipLen,
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TypeProfileLen,
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}[t-firstOpIndex]
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}
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func (t OpType) NumRefs() int {
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switch t {
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case TypeMacro, TypeKeyInput, TypePointerInput, TypeProfile:
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return 1
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case TypeImage:
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return 2
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default:
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return 0
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}
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}
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