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internal/graphicsdriver/directx: bug fix: d3dcomipler_47.dll might be missing

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Updates #2613
Closes #2618
This commit is contained in:
Hajime Hoshi 2023-03-30 01:12:44 +09:00
parent 6858e4b60b
commit 3e477d0bbb
1 changed files with 26 additions and 3 deletions
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29
internal/graphicsdriver/directx/d3d_windows.go
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@ -71,12 +71,35 @@ const (
)
var (
d3dcompiler = windows.NewLazySystemDLL("d3dcompiler_47.dll")
procD3DCompile = d3dcompiler.NewProc("D3DCompile")
procD3DCompile *windows.LazyProc
)
func init() {
var d3dcompiler *windows.LazyDLL
// Enumerate possible DLL names for d3dcompiler_*.dll.
// https://walbourn.github.io/hlsl-fxc-and-d3dcompile/
for v := 47; v >= 33; v-- {
dll := windows.NewLazySystemDLL(fmt.Sprintf("d3dcompiler_%d.dll", v))
if err := dll.Load(); err != nil {
continue
}
d3dcompiler = dll
break
}
if d3dcompiler == nil {
return
}
procD3DCompile = d3dcompiler.NewProc("D3DCompile")
}
func _D3DCompile(srcData []byte, sourceName string, pDefines []_D3D_SHADER_MACRO, pInclude unsafe.Pointer, entryPoint string, target string, flags1 uint32, flags2 uint32) (*_ID3DBlob, error) {
if procD3DCompile == nil {
return nil, fmt.Errorf("directx: d3dcompiler_*.dll is missing in this environment")
}
// TODO: Define _ID3DInclude for pInclude, but is it possible in Go?
var defs unsafe.Pointer