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internal/graphicsdriver: let some functions return an error

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This is a preparation for the DirectX driver.

Updates #1007
This commit is contained in:
Hajime Hoshi
2022-03-21 22:23:07 +09:00
parent 0dcf43b350
commit cd57bccbfc
5 changed files with 38 additions and 18 deletions
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9
internal/graphicsdriver/opengl/image.go
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@@ -15,6 +15,8 @@
package opengl
import (
"errors"
"github.com/hajimehoshi/ebiten/v2/internal/graphics"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
)
@@ -118,12 +120,12 @@ func (i *Image) ensureStencilBuffer() error {
return nil
}
func (i *Image) ReplacePixels(args []*graphicsdriver.ReplacePixelsArgs) {
func (i *Image) ReplacePixels(args []*graphicsdriver.ReplacePixelsArgs) error {
if i.screen {
panic("opengl: ReplacePixels cannot be called on the screen, that doesn't have a texture")
return errors.New("opengl: ReplacePixels cannot be called on the screen")
}
if len(args) == 0 {
return
return nil
}
// glFlush is necessary on Android.
@@ -133,4 +135,5 @@ func (i *Image) ReplacePixels(args []*graphicsdriver.ReplacePixelsArgs) {
}
i.graphics.drawCalled = false
i.graphics.context.texSubImage2D(i.texture, args)
return nil
}