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gpu: avoid bounds checks in decode

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Signed-off-by: Egon Elbre <egonelbre@gmail.com>
This commit is contained in:
Egon Elbre
2022-07-03 15:40:43 +03:00
committed by Elias Naur
parent 0057e871d0
commit 0777afb85f
1 changed files with 2 additions and 0 deletions
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gpu/gpu.go
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@@ -186,6 +186,7 @@ func decodeImageOp(data []byte, refs []interface{}) imageOpData {
} }
func decodeColorOp(data []byte) color.NRGBA { func decodeColorOp(data []byte) color.NRGBA {
data = data[:ops.TypeColorLen]
return color.NRGBA{ return color.NRGBA{
R: data[1], R: data[1],
G: data[2], G: data[2],
@@ -195,6 +196,7 @@ func decodeColorOp(data []byte) color.NRGBA {
} }
func decodeLinearGradientOp(data []byte) linearGradientOpData { func decodeLinearGradientOp(data []byte) linearGradientOpData {
data = data[:ops.TypeLinearGradientLen]
bo := binary.LittleEndian bo := binary.LittleEndian
return linearGradientOpData{ return linearGradientOpData{
stop1: f32.Point{ stop1: f32.Point{