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ebiten: Add a restriction that all the source image sizes are same

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Updates #1193
This commit is contained in:
Hajime Hoshi 2020-07-17 02:16:32 +09:00
parent 52773e1d12
commit 0c13fff62a
1 changed files with 6 additions and 0 deletions
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6
image.go
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@ -380,11 +380,17 @@ func (i *Image) DrawTrianglesWithShader(vertices []Vertex, indices []uint16, sha
// The actual value is set at graphicscommand package.
us := append([]interface{}{[]float32{0, 0}}, options.Uniforms...)
var imgw, imgh int
var imgs []*buffered.Image
for _, img := range options.Images {
if img.isDisposed() {
panic("ebiten: the given image to DrawTriangles must not be disposed")
}
if imgw == 0 || imgh == 0 {
imgw, imgh = img.Size()
} else if w, h := img.Size(); imgw != w || imgh != h {
panic("ebiten: all the source images must be the same size")
}
imgs = append(imgs, img.buffered)
}