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gpu/internal,internal/gl: add support for strided texture uploads

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The CPU fallback of the compute renderer needs to upload subtextures
from a larger image.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2021-07-19 19:01:51 +02:00
parent abfbeb87cc
commit 60a47e7de5
8 changed files with 41 additions and 27 deletions
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gpu/compute.go
+2 -2
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@@ -557,9 +557,9 @@ restart:
size := img.Bounds().Size()
driver.UploadImage(a.tex, pos, img)
rightPadding := image.Pt(padding, size.Y)
a.tex.Upload(image.Pt(pos.X+size.X, pos.Y), rightPadding, g.zeros(rightPadding.X*rightPadding.Y*4))
a.tex.Upload(image.Pt(pos.X+size.X, pos.Y), rightPadding, g.zeros(rightPadding.X*rightPadding.Y*4), 0)
bottomPadding := image.Pt(size.X, padding)
a.tex.Upload(image.Pt(pos.X, pos.Y+size.Y), bottomPadding, g.zeros(bottomPadding.X*bottomPadding.Y*4))
a.tex.Upload(image.Pt(pos.X, pos.Y+size.Y), bottomPadding, g.zeros(bottomPadding.X*bottomPadding.Y*4), 0)
}
return nil
}