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internal/restorable: Bug fix: Forbid NewImage before the graphics driver is ready

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This commit is contained in:
Hajime Hoshi 2021-09-09 03:58:58 +09:00
parent a3570331dd
commit 8f857daf3e
3 changed files with 10 additions and 2 deletions
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4
internal/restorable/image.go
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@ -141,6 +141,10 @@ func ensureEmptyImage() *Image {
// //
// Note that Dispose is not called automatically. // Note that Dispose is not called automatically.
func NewImage(width, height int) *Image { func NewImage(width, height int) *Image {
if !graphicsDriverInitialized {
panic("restorable: graphics driver must be ready at NewImage but not")
}
i := &Image{ i := &Image{
image: graphicscommand.NewImage(width, height), image: graphicscommand.NewImage(width, height),
width: width, width: width,

3
internal/restorable/images.go
View File

@ -281,8 +281,11 @@ func (i *images) restore() error {
return nil return nil
} }
var graphicsDriverInitialized bool
// InitializeGraphicsDriverState initializes the graphics driver state. // InitializeGraphicsDriverState initializes the graphics driver state.
func InitializeGraphicsDriverState() error { func InitializeGraphicsDriverState() error {
graphicsDriverInitialized = true
return graphicscommand.InitializeGraphicsDriverState() return graphicscommand.InitializeGraphicsDriverState()
} }

5
internal/restorable/shader_test.go
View File

@ -25,9 +25,10 @@ import (
etesting "github.com/hajimehoshi/ebiten/v2/internal/testing" etesting "github.com/hajimehoshi/ebiten/v2/internal/testing"
) )
var emptyImage = NewImage(3, 3)
func clearImage(img *Image, w, h int) { func clearImage(img *Image, w, h int) {
emptyImage := NewImage(3, 3)
defer emptyImage.Dispose()
dx0 := float32(0) dx0 := float32(0)
dy0 := float32(0) dy0 := float32(0)
dx1 := float32(w) dx1 := float32(w)