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mipmap: Bug fix: Adopt 32 for tooBigScale

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I found the case that 64 was not enough on Huawei ALE-L02.
This commit is contained in:
Hajime Hoshi 2020-08-15 15:39:25 +09:00
parent d90edf5826
commit a67fd4a2b3
1 changed files with 2 additions and 2 deletions
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internal/mipmap/mipmap.go
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@ -282,8 +282,8 @@ func mipmapLevelFromDistance(dx0, dy0, dx1, dy1, sx0, sy0, sx1, sy1 float32, fil
// Use 'negative' mipmap to render edges correctly (#611, #907). // Use 'negative' mipmap to render edges correctly (#611, #907).
// It looks like 128 is the enlargement factor that causes edge missings to pass the test TestImageStretch, // It looks like 128 is the enlargement factor that causes edge missings to pass the test TestImageStretch,
// but we use 64 here for environments where the float precision is low (#1044, #1270). // but we use 32 here for environments where the float precision is low (#1044, #1270).
var tooBigScale float32 = 64 var tooBigScale float32 = 32
if scale >= tooBigScale*tooBigScale { if scale >= tooBigScale*tooBigScale {
// If the filter is not nearest, the target needs to be rendered with graduation. Don't use mipmaps. // If the filter is not nearest, the target needs to be rendered with graduation. Don't use mipmaps.