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internal/graphicsdriver/directx: change the default feature level to 11_0

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The feature level 12_0 causes some issues on some machines. As we now
have EBITENGINE_DIRECTX_FEATURE_LEVEL, let's go back to the default
feature level 11_0.

Updates #2486
This commit is contained in:
Hajime Hoshi 2022-12-07 21:16:45 +09:00
parent c12799dc05
commit 102a2d2138
2 changed files with 4 additions and 4 deletions
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2
doc.go
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@ -83,7 +83,7 @@
// //
// `EBITENGINE_DIRECTX_FEATURE_LEVEL` environment variable specifies DirectX feature level. // `EBITENGINE_DIRECTX_FEATURE_LEVEL` environment variable specifies DirectX feature level.
// The possible values are "11_0", "11_1", "12_0", "12_1", and "12_2". // The possible values are "11_0", "11_1", "12_0", "12_1", and "12_2".
// The default value is "12_0". // The default value is "11_0".
// //
// `EBITENGINE_OPENGL` environment variable specifies various parameters for OpenGL. // `EBITENGINE_OPENGL` environment variable specifies various parameters for OpenGL.
// You can specify multiple values separated by a comma. The default value is empty (i.e. no parameters). // You can specify multiple values separated by a comma. The default value is empty (i.e. no parameters).

6
internal/graphicsdriver/directx/graphics_windows.go
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@ -173,9 +173,9 @@ func (g *Graphics) initialize() (ferr error) {
} }
} }
// Ebitengine itself doesn't require the features level 12 and 11 should be enough, // Specify the level 11 by default.
// but some old cards don't work well (#2447). Specify the level 12 by default. // Some old cards don't work well with the default feature level (#2447, #2486).
var featureLevel _D3D_FEATURE_LEVEL = _D3D_FEATURE_LEVEL_12_0 var featureLevel _D3D_FEATURE_LEVEL = _D3D_FEATURE_LEVEL_11_0
if env := os.Getenv("EBITENGINE_DIRECTX_FEATURE_LEVEL"); env != "" { if env := os.Getenv("EBITENGINE_DIRECTX_FEATURE_LEVEL"); env != "" {
switch env { switch env {
case "11_0": case "11_0":