Currently the golang.org/x/sys package is missing the Pipe2 call for OpenBSD.
The call exists on OpenBSD, it just isn't exposed.
This diff was tested buy adding the Pipe2 call and setting:
go mod edit -replace=golang.org/x/sys=/pat/to/modified/sys
Signed-off-by: Aaron Bieber <aaron@bolddaemon.com>
The macOS backend uses a desktop OpenGL context, not a OpenGL ES
context. The main difference is that sRGB have to be enabled and
a vertex buffer must be bound.
Do that and fix Window.Screenshot for scenes more complex than a
glClear.
Signed-off-by: Elias Naur <mail@eliasnaur.com>
The origin of image.Images is the upper left corner. Convert the
ReadPixels result by flipping the image the y-direction.
Signed-off-by: Elias Naur <mail@eliasnaur.com>
Aaron Bieber