ebiten: Bug fix: The vertex backend was not flushed when the screen i…

…s shrunk The last parameter of QuadVertices represents whether we can flush the backend vertices (on Wasm). The problem was that this was unexpectedly false even though the image is the screen, when the screen rendering is done with FilterLinear instead of FilterScreen. Closes hajimehoshi#1479
momodezhou · Jan 31, 2021 · 321bc6d · 321bc6d
1 parent 53c300a
commit 321bc6d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/image.go b/image.go
@@ -44,6 +44,8 @@ type Image struct {
 	original *Image
 
 	filter Filter
+
+	screen   bool
 }
 
 func (i *Image) copyCheck() {
@@ -254,7 +256,7 @@ func (i *Image) DrawImage(img *Image, options *DrawImageOptions) error {
 	sy0 := float32(bounds.Min.Y)
 	sx1 := float32(bounds.Max.X)
 	sy1 := float32(bounds.Max.Y)
-	vs := graphics.QuadVertices(sx0, sy0, sx1, sy1, a, b, c, d, tx, ty, 1, 1, 1, 1, filter == driver.FilterScreen)
+	vs := graphics.QuadVertices(sx0, sy0, sx1, sy1, a, b, c, d, tx, ty, 1, 1, 1, 1, i.screen)
 	is := graphics.QuadIndices()
 
 	srcs := [graphics.ShaderImageNum]*mipmap.Mipmap{img.mipmap}
@@ -849,6 +851,7 @@ func newScreenFramebufferImage(width, height int) *Image {
 		bounds: image.Rect(0, 0, width, height),
 	}
 	i.addr = i
+	i.screen = true
 	return i
 }