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egl: Allow creation of shared contexts

This commit is contained in:
Victor Brekenfeld 2021-04-25 23:33:11 +02:00
parent c6df50cb67
commit 0414417f3c
1 changed files with 28 additions and 3 deletions
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31
src/backend/egl/context.rs
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@ -29,7 +29,7 @@ impl EGLContext {
where
L: Into<Option<::slog::Logger>>,
{
Self::new_internal(display, None, log)
Self::new_internal(display, None, None, log)
}
/// Create a new [`EGLContext`] from a given [`NativeDisplay`](native::NativeDisplay)
@ -42,11 +42,36 @@ impl EGLContext {
where
L: Into<Option<::slog::Logger>>,
{
Self::new_internal(display, Some((attributes, reqs)), log)
Self::new_internal(display, None, Some((attributes, reqs)), log)
}
pub fn new_shared<L>(
display: &EGLDisplay,
share: &EGLContext,
log: L,
) -> Result<EGLContext, Error>
where
L: Into<Option<::slog::Logger>>,
{
Self::new_internal(display, Some(share), None, log)
}
pub fn new_shared_with_config<L>(
display: &EGLDisplay,
share: &EGLContext,
attributes: GlAttributes,
reqs: PixelFormatRequirements,
log: L,
) -> Result<EGLContext, Error>
where
L: Into<Option<::slog::Logger>>,
{
Self::new_internal(display, Some(share), Some((attributes, reqs)), log)
}
fn new_internal<L>(
display: &EGLDisplay,
shared: Option<&EGLContext>,
config: Option<(GlAttributes, PixelFormatRequirements)>,
log: L,
) -> Result<EGLContext, Error>
@ -111,7 +136,7 @@ impl EGLContext {
ffi::egl::CreateContext(
**display.display,
config_id,
ptr::null(),
shared.map(|context| context.context).unwrap_or(ffi::egl::NO_CONTEXT),
context_attributes.as_ptr(),
)
})