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internal/graphicsdriver/metal: Refactoring

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This commit is contained in:
Hajime Hoshi 2021-07-04 20:35:56 +09:00
parent 3ec02f767b
commit 19f034e818
1 changed files with 28 additions and 26 deletions
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54
internal/graphicsdriver/metal/graphics.go
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@ -826,33 +826,35 @@ func (g *Graphics) HasHighPrecisionFloat() bool {
} }
func (g *Graphics) MaxImageSize() int { func (g *Graphics) MaxImageSize() int {
if g.maxImageSize == 0 { if g.maxImageSize != 0 {
return g.maxImageSize
}
g.maxImageSize = 4096
// https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf
switch {
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily5_v1):
g.maxImageSize = 16384
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily4_v1):
g.maxImageSize = 16384
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily3_v1):
g.maxImageSize = 16384
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily2_v2):
g.maxImageSize = 8192
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily2_v1):
g.maxImageSize = 4096 g.maxImageSize = 4096
// https://developer.apple.com/metal/Metal-Feature-Set-Tables.pdf case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily1_v2):
switch { g.maxImageSize = 8192
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily5_v1): case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily1_v1):
g.maxImageSize = 16384 g.maxImageSize = 4096
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily4_v1): case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_tvOS_GPUFamily2_v1):
g.maxImageSize = 16384 g.maxImageSize = 16384
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily3_v1): case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_tvOS_GPUFamily1_v1):
g.maxImageSize = 16384 g.maxImageSize = 8192
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily2_v2): case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_macOS_GPUFamily1_v1):
g.maxImageSize = 8192 g.maxImageSize = 16384
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily2_v1): default:
g.maxImageSize = 4096 panic("metal: there is no supported feature set")
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily1_v2):
g.maxImageSize = 8192
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_iOS_GPUFamily1_v1):
g.maxImageSize = 4096
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_tvOS_GPUFamily2_v1):
g.maxImageSize = 16384
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_tvOS_GPUFamily1_v1):
g.maxImageSize = 8192
case g.view.getMTLDevice().SupportsFeatureSet(mtl.FeatureSet_macOS_GPUFamily1_v1):
g.maxImageSize = 16384
default:
panic("metal: there is no supported feature set")
}
} }
return g.maxImageSize return g.maxImageSize
} }