Skip to content

Use OpenGL 3.1 on Windows #581

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

Merged
not-fl3 merged 1 commit into from
Aug 26, 2025
Merged

Use OpenGL 3.1 on Windows #581

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
11 changes: 6 additions & 5 deletions src/native/windows/wgl.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -406,13 +406,13 @@ impl Wgl {

// CreateContextAttribsARB is supposed to create the context with
// the highest version version possible
// but, somehow, sometimes, it creates 2.1 context when 3.2 is in fact available
// so this is a workaround: try to create 3.2, and if it fails, go for 2.1
// but, somehow, sometimes, it creates 2.1 context when 3.1 is in fact available
// so this is a workaround: try to create 3.1, and if it fails, go for 2.1
let attrs = [
WGL_CONTEXT_MAJOR_VERSION_ARB,
3,
WGL_CONTEXT_MINOR_VERSION_ARB,
2,
1,
WGL_CONTEXT_FLAGS_ARB,
WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
WGL_CONTEXT_PROFILE_MASK_ARB,
Expand All @@ -427,7 +427,7 @@ impl Wgl {
);

if gl_ctx.is_null() {
eprintln!("WGL: failed to create 3.2 context, trying 2.1");
eprintln!("WGL: failed to create 3.1 context, trying 2.1");

let attrs = [
WGL_CONTEXT_MAJOR_VERSION_ARB,
Expand All @@ -445,10 +445,11 @@ impl Wgl {
attrs.as_ptr() as *const _,
);
}

if gl_ctx.is_null() {
let err = GetLastError();
if err == (0xc0070000 | ERROR_INVALID_VERSION_ARB) {
panic!("WGL: Driver does not support OpenGL version 3.3");
panic!("WGL: Driver does not support requested OpenGL version");
} else if err == (0xc0070000 | ERROR_INVALID_PROFILE_ARB) {
panic!("WGL: Driver does not support the requested OpenGL profile");
} else if err == (0xc0070000 | ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB) {
Expand Down
Loading