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Revert "internal/graphicsdriver/metal: refactoring"

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This reverts commit 1c57393393.

Reason: nothing is rendered on iOS.

Closes #2022
This commit is contained in:
Hajime Hoshi 2022-03-23 01:22:39 +09:00
parent 7744013b05
commit a74e7b1578
1 changed files with 11 additions and 8 deletions
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19
internal/graphicsdriver/metal/graphics_darwin.go
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@ -349,10 +349,14 @@ const (
// isMetalAvailable reports whether Metal is available or not.
//
// On old mac devices like iMac 2011, Metal is not supported (#779).
//
// initializeView calls mtl.CreateSystemDefualtDevice, which works only when Metal is available.
// If there is a better way, this should be adopted.
var isMetalAvailable = theGraphics.initializeView() == nil
var isMetalAvailable bool
func init() {
// Initialize isMetalAvailable on the main thread.
// TODO: Is there a better way to check whether Metal is available or not?
// It seems OK to call MTLCreateSystemDefaultDevice multiple times, so this should be fine.
_, isMetalAvailable = mtl.CreateSystemDefaultDevice()
}
var theGraphics Graphics
@ -595,10 +599,6 @@ func operationToBlendFactor(c graphicsdriver.Operation) mtl.BlendFactor {
}
}
func (g *Graphics) initializeView() error {
return g.view.initialize()
}
func (g *Graphics) Initialize() error {
// Creating *State objects are expensive and reuse them whenever possible.
// See https://developer.apple.com/library/archive/documentation/Miscellaneous/Conceptual/MetalProgrammingGuide/Cmd-Submiss/Cmd-Submiss.html
@ -615,6 +615,9 @@ func (g *Graphics) Initialize() error {
g.dsss = map[stencilMode]mtl.DepthStencilState{}
}
if err := g.view.initialize(); err != nil {
return err
}
if g.transparent {
g.view.ml.SetOpaque(false)
}