mth/ebiten
1
0
Fork 0
mirror of https://github.com/hajimehoshi/ebiten.git synced 2024-12-24 02:38:53 +01:00
Code Issues Packages Projects Releases Wiki Activity

internal/graphicsdriver/opengl: Stop using PBO

Browse Source 
PBO was introduced to improve the performance at ReplacePixels,
but we found that PBO can degrades the performance. Also, now
multiple glTexImage2Ds are called successively like a batch, so
the situation is now different from that time when PBO was
introduced.

Let's remove PBO usages and wait and see.

Closes #1678
This commit is contained in:
Hajime Hoshi 2021-06-24 12:49:36 +09:00
parent 79220192ac
commit 2a8e8d0eb6
3 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
internal/graphicsdriver/opengl/context_desktop.go
View File

@ -449,7 +449,7 @@ func (c *context) needsRestoring() bool {
}
func (c *context) canUsePBO() bool {
return isPBOAvailable()
return false
}
func (c *context) texSubImage2D(t textureNative, args []*driver.ReplacePixelsArgs) {

2
internal/graphicsdriver/opengl/context_js.go
View File

@ -530,7 +530,7 @@ func (c *context) needsRestoring() bool {
}
func (c *context) canUsePBO() bool {
return isWebGL2Available
return false
}
func (c *context) texSubImage2D(t textureNative, args []*driver.ReplacePixelsArgs) {

1
internal/graphicsdriver/opengl/image.go
View File

@ -120,6 +120,7 @@ func (i *Image) ReplacePixels(args []*driver.ReplacePixelsArgs) {
}
i.graphics.drawCalled = false
// TODO: Now canUsePBO always returns false (#1678). Remove the code for PBO.
if !i.graphics.context.canUsePBO() {
i.graphics.context.texSubImage2D(i.textureNative, args)
return