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graphicsdriver/metal: Refactoring: Use NextPowerOf2Int

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This commit is contained in:
Hajime Hoshi 2019-02-14 11:09:16 +09:00
parent a1b1bce43a
commit a6d3a1e0cb
1 changed files with 3 additions and 6 deletions
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9
internal/graphicsdriver/metal/driver.go
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@ -580,12 +580,9 @@ func (d *Driver) Draw(indexLen int, indexOffset int, mode graphics.CompositeMode
viewportSize := [...]float32{float32(w), float32(h)} viewportSize := [...]float32{float32(w), float32(h)}
rce.SetVertexBytes(unsafe.Pointer(&viewportSize[0]), unsafe.Sizeof(viewportSize), 1) rce.SetVertexBytes(unsafe.Pointer(&viewportSize[0]), unsafe.Sizeof(viewportSize), 1)
sourceSize := [...]float32{float32(1), float32(1)} sourceSize := [...]float32{
for sourceSize[0] < float32(d.src.width) { float32(graphics.NextPowerOf2Int(d.src.width)),
sourceSize[0] *= 2 float32(graphics.NextPowerOf2Int(d.src.height)),
}
for sourceSize[1] < float32(d.src.height) {
sourceSize[1] *= 2
} }
rce.SetFragmentBytes(unsafe.Pointer(&sourceSize[0]), unsafe.Sizeof(sourceSize), 2) rce.SetFragmentBytes(unsafe.Pointer(&sourceSize[0]), unsafe.Sizeof(sourceSize), 2)