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restorable: Bug fix: Clear screen framebuffer on fullscreen mode

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Fixes #513
This commit is contained in:
Hajime Hoshi 2018-02-24 20:48:47 +09:00
parent 692f36f664
commit da20b3f49a
1 changed files with 10 additions and 5 deletions
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15
internal/restorable/image.go
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@ -167,13 +167,18 @@ func (i *Image) clearIfVolatile() {
}
w, h := i.image.Size()
wf, hf := float32(w), float32(h)
x0 := -float32(i.offsetX)
y0 := -float32(i.offsetY)
// TODO: This is an ad-hoc way to fix the problem #513.
// Fix this for better calculation.
x1 := float32(w) + float32(i.offsetX)
y1 := float32(h) + float32(i.offsetY)
// For the rule of values, see vertices.go.
clearVertices := []float32{
0, 0, 0, 0, 1, 1,
wf, 0, 1, 0, 0, 1,
0, hf, 0, 1, 1, 0,
wf, hf, 1, 1, 0, 0,
x0, y0, 0, 0, 1, 1,
x1, y0, 1, 0, 0, 1,
x0, y1, 0, 1, 1, 0,
x1, y1, 1, 1, 0, 0,
}
i.image.DrawImage(dummyImage, clearVertices, clearColorM, opengl.CompositeModeCopy, graphics.FilterNearest)
}