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ebiten: Bug fix: The vertex backend was not flushed when the screen is shrunk

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The last parameter of QuadVertices represents whether we can flush
the backend vertices (on Wasm). The problem was that this was
unexpectedly false even though the image is the screen, when the
screen rendering is done with FilterLinear instead of FilterScreen.

Closes #1479
This commit is contained in:
Hajime Hoshi 2021-01-31 22:35:37 +09:00
parent 53c300a93f
commit 321bc6d998
1 changed files with 4 additions and 1 deletions
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5
image.go
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@ -44,6 +44,8 @@ type Image struct {
original *Image
filter Filter
screen bool
}
func (i *Image) copyCheck() {
@ -254,7 +256,7 @@ func (i *Image) DrawImage(img *Image, options *DrawImageOptions) error {
sy0 := float32(bounds.Min.Y)
sx1 := float32(bounds.Max.X)
sy1 := float32(bounds.Max.Y)
vs := graphics.QuadVertices(sx0, sy0, sx1, sy1, a, b, c, d, tx, ty, 1, 1, 1, 1, filter == driver.FilterScreen)
vs := graphics.QuadVertices(sx0, sy0, sx1, sy1, a, b, c, d, tx, ty, 1, 1, 1, 1, i.screen)
is := graphics.QuadIndices()
srcs := [graphics.ShaderImageNum]*mipmap.Mipmap{img.mipmap}
@ -849,6 +851,7 @@ func newScreenFramebufferImage(width, height int) *Image {
bounds: image.Rect(0, 0, width, height),
}
i.addr = i
i.screen = true
return i
}