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gpu,gpu/internal,internal/gl: replace BlitFramebuffer with CopyTexture

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OpenGL ES 2.0 doesn't support glBlitFramebuffer, but does support
glCopyTexSubImage2D. Fortunately, we don't need the extra features of
glBlitFramebuffer anyway.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-08-21 11:11:38 +02:00
parent 44adf01768
commit c9970cb8e3
8 changed files with 32 additions and 20 deletions
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gpu/internal/d3d11/d3d11_windows.go
+1 -1
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@@ -165,7 +165,7 @@ func (b *Backend) BeginFrame(target driver.RenderTarget, clear bool, viewport im
return &Framebuffer{ctx: b.ctx, dev: b.dev, renderTarget: renderTarget, foreign: true}
}
func (b *Backend) BlitFramebuffer(dst, src driver.Framebuffer, srect image.Rectangle, dorigin image.Point) {
func (b *Backend) CopyTexture(dst driver.Texture, dstOrigin image.Point, src driver.Framebuffer, srcRect image.Rectangle) {
panic("not implemented")
}