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restorable: Refactoring: Use the smaller empty image

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This commit is contained in:
Hajime Hoshi 2020-10-31 03:06:44 +09:00
parent 9464dc2f58
commit 831c7ca6f4
1 changed files with 3 additions and 6 deletions
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9
internal/restorable/image.go
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@ -111,10 +111,8 @@ type Image struct {
var emptyImage *Image var emptyImage *Image
func init() { func init() {
// Use a big-enough image as an rendering source. By enlarging with x128, this can reach to 16384. // w and h are the empty image's size. They indicate the 1x1 image with 1px padding around.
// See #907 for details. const w, h = 3, 3
// TODO: This doesn't have to be 128 due to the 1px padding. 3x3 should be enough.
const w, h = 128, 128
emptyImage = &Image{ emptyImage = &Image{
image: graphicscommand.NewImage(w, h), image: graphicscommand.NewImage(w, h),
width: w, width: w,
@ -266,8 +264,7 @@ func fillImage(i *graphicscommand.Image, clr color.RGBA) {
// //
// TODO: Can we unexport InternalSize()? // TODO: Can we unexport InternalSize()?
dw, dh := i.InternalSize() dw, dh := i.InternalSize()
sw, sh := emptyImage.image.InternalSize() sw, sh := emptyImage.width, emptyImage.height
// Add 1 pixels for paddings.
vs := quadVertices(0, 0, float32(dw), float32(dh), 1, 1, float32(sw-1), float32(sh-1), rf, gf, bf, af) vs := quadVertices(0, 0, float32(dw), float32(dh), 1, 1, float32(sw-1), float32(sh-1), rf, gf, bf, af)
is := graphics.QuadIndices() is := graphics.QuadIndices()
srcs := [graphics.ShaderImageNum]*graphicscommand.Image{emptyImage.image} srcs := [graphics.ShaderImageNum]*graphicscommand.Image{emptyImage.image}