Skip to content

Disable WebGL Alpha Channel on the backing buffer #2807

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Cleptomania wants to merge 1 commit into
base: development
Choose a base branch
from
Open

Disable WebGL Alpha Channel on the backing buffer #2807

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions arcade/__init__.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,12 @@ def configure_logging(level: int | None = None):
else:
pyglet.options.dpi_scaling = "stretch"

# WebGL has an alpha channel in the backing buffer by default that is
# 0.0 unless you explicitly clear the alpha channel to 1.0. Disabling
# this channel causes it to behave more in line with how full OpenGL works.
if sys.platform == "emscripten":
pyglet.options.pyodide.context_options["alpha"] = False

# Env variable shortcut for headless mode
headless: Final[bool] = bool(os.environ.get("ARCADE_HEADLESS"))
if headless:
Expand Down
Loading