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internal/atlas: refactoring: remove ImageTypeVolatile

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ImageTypeVolatile was meaningful when Ebitengine had `restorable`
package, but now this doesn't make sense.
This commit is contained in:
Hajime Hoshi 2024-06-30 18:40:13 +09:00
parent 32417353d3
commit def82fd5d3
5 changed files with 4 additions and 25 deletions
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4
gameforui.go
View File

@ -66,10 +66,6 @@ func (g *gameForUI) NewOffscreenImage(width, height int) *ui.Image {
// An image on an atlas is surrounded by a transparent edge, // An image on an atlas is surrounded by a transparent edge,
// and the shader program unexpectedly picks the pixel on the edges. // and the shader program unexpectedly picks the pixel on the edges.
imageType := atlas.ImageTypeUnmanaged imageType := atlas.ImageTypeUnmanaged
if ui.Get().IsScreenClearedEveryFrame() {
// A volatile image is also always isolated.
imageType = atlas.ImageTypeVolatile
}
g.offscreen = newImage(image.Rect(0, 0, width, height), imageType) g.offscreen = newImage(image.Rect(0, 0, width, height), imageType)
return g.offscreen.image return g.offscreen.image
} }

1
internal/atlas/image.go
View File

@ -225,7 +225,6 @@ type ImageType int
const ( const (
ImageTypeRegular ImageType = iota ImageTypeRegular ImageType = iota
ImageTypeScreen ImageTypeScreen
ImageTypeVolatile
ImageTypeUnmanaged ImageTypeUnmanaged
) )

6
internal/atlas/image_test.go
View File

@ -177,8 +177,8 @@ func TestReputOnSourceBackend(t *testing.T) {
} }
img2.WritePixels(pix, image.Rect(0, 0, size, size)) img2.WritePixels(pix, image.Rect(0, 0, size, size))
// Create a volatile image. This should always be on a non-source backend. // Create an unmanaged image. This should always be on a non-source backend.
img3 := atlas.NewImage(size, size, atlas.ImageTypeVolatile) img3 := atlas.NewImage(size, size, atlas.ImageTypeUnmanaged)
defer img3.Deallocate() defer img3.Deallocate()
img3.WritePixels(make([]byte, 4*size*size), image.Rect(0, 0, size, size)) img3.WritePixels(make([]byte, 4*size*size), image.Rect(0, 0, size, size))
if got, want := img3.IsOnSourceBackendForTesting(), false; got != want { if got, want := img3.IsOnSourceBackendForTesting(), false; got != want {
@ -688,7 +688,7 @@ func TestImageIsNotReputOnSourceBackendWithoutUsingAsSource(t *testing.T) {
} }
func TestImageWritePixelsModify(t *testing.T) { func TestImageWritePixelsModify(t *testing.T) {
for _, typ := range []atlas.ImageType{atlas.ImageTypeRegular, atlas.ImageTypeVolatile, atlas.ImageTypeUnmanaged} { for _, typ := range []atlas.ImageType{atlas.ImageTypeRegular, atlas.ImageTypeRegular, atlas.ImageTypeUnmanaged} {
const size = 16 const size = 16
img := atlas.NewImage(size, size, typ) img := atlas.NewImage(size, size, typ)
defer img.Deallocate() defer img.Deallocate()

6
internal/ui/context.go
View File

@ -178,12 +178,6 @@ func (c *context) newOffscreenImage(w, h int) *Image {
} }
func (c *context) drawGame(graphicsDriver graphicsdriver.Graphics, ui *UserInterface, forceDraw bool) error { func (c *context) drawGame(graphicsDriver graphicsdriver.Graphics, ui *UserInterface, forceDraw bool) error {
if (c.offscreen.imageType == atlas.ImageTypeVolatile) != ui.IsScreenClearedEveryFrame() {
w, h := c.offscreen.width, c.offscreen.height
c.offscreen.Deallocate()
c.offscreen = c.newOffscreenImage(w, h)
}
// isOffscreenModified is updated when an offscreen's modifyCallback. // isOffscreenModified is updated when an offscreen's modifyCallback.
c.isOffscreenModified = false c.isOffscreenModified = false

12
internal/ui/image.go
View File

@ -15,7 +15,6 @@
package ui package ui
import ( import (
"fmt"
"image" "image"
"math" "math"
@ -86,16 +85,7 @@ func (i *Image) DrawTriangles(srcs [graphics.ShaderSrcImageCount]*Image, vertice
if antialias { if antialias {
if i.bigOffscreenBuffer == nil { if i.bigOffscreenBuffer == nil {
var imageType atlas.ImageType i.bigOffscreenBuffer = i.ui.newBigOffscreenImage(i, atlas.ImageTypeUnmanaged)
switch i.imageType {
case atlas.ImageTypeRegular, atlas.ImageTypeUnmanaged:
imageType = atlas.ImageTypeUnmanaged
case atlas.ImageTypeScreen, atlas.ImageTypeVolatile:
imageType = atlas.ImageTypeVolatile
default:
panic(fmt.Sprintf("ui: unexpected image type: %d", imageType))
}
i.bigOffscreenBuffer = i.ui.newBigOffscreenImage(i, imageType)
} }
i.bigOffscreenBuffer.drawTriangles(srcs, vertices, indices, blend, dstRegion, srcRegions, shader, uniforms, fillRule, canSkipMipmap) i.bigOffscreenBuffer.drawTriangles(srcs, vertices, indices, blend, dstRegion, srcRegions, shader, uniforms, fillRule, canSkipMipmap)