Struct glutin::HeadlessRendererBuilder
source · pub struct HeadlessRendererBuilder<'a> {
pub dimensions: (u32, u32),
pub opengl: GlAttributes<&'a HeadlessContext>,
/* private fields */
}
Expand description
Object that allows you to build headless contexts.
Fields§
§dimensions: (u32, u32)
The dimensions to use.
opengl: GlAttributes<&'a HeadlessContext>
The OpenGL attributes to build the context with.
Implementations§
source§impl<'a> HeadlessRendererBuilder<'a>
impl<'a> HeadlessRendererBuilder<'a>
sourcepub fn new(width: u32, height: u32) -> HeadlessRendererBuilder<'a>
pub fn new(width: u32, height: u32) -> HeadlessRendererBuilder<'a>
Initializes a new HeadlessRendererBuilder
with default values.
sourcepub fn with_gl(self, request: GlRequest) -> HeadlessRendererBuilder<'a>
pub fn with_gl(self, request: GlRequest) -> HeadlessRendererBuilder<'a>
Sets how the backend should choose the OpenGL API and version.
sourcepub fn with_gl_profile(self, profile: GlProfile) -> HeadlessRendererBuilder<'a>
pub fn with_gl_profile(self, profile: GlProfile) -> HeadlessRendererBuilder<'a>
Sets the desired OpenGL context profile.
sourcepub fn with_gl_debug_flag(self, flag: bool) -> HeadlessRendererBuilder<'a>
pub fn with_gl_debug_flag(self, flag: bool) -> HeadlessRendererBuilder<'a>
Sets the debug flag for the OpenGL context.
The default value for this flag is cfg!(ndebug)
, which means that it’s enabled
when you run cargo build
and disabled when you run cargo build --release
.
sourcepub fn with_gl_robustness(
self,
robustness: Robustness
) -> HeadlessRendererBuilder<'a>
pub fn with_gl_robustness( self, robustness: Robustness ) -> HeadlessRendererBuilder<'a>
Sets the robustness of the OpenGL context. See the docs of Robustness
.
sourcepub fn build(self) -> Result<HeadlessContext, CreationError>
pub fn build(self) -> Result<HeadlessContext, CreationError>
Builds the headless context.
Error should be very rare and only occur in case of permission denied, incompatible system, out of memory, etc.
sourcepub fn build_strict(self) -> Result<HeadlessContext, CreationError>
pub fn build_strict(self) -> Result<HeadlessContext, CreationError>
Builds the headless context.
The context is build in a strict way. That means that if the backend couldn’t give
you what you requested, an Err
will be returned.
Trait Implementations§
source§impl<'a> Clone for HeadlessRendererBuilder<'a>
impl<'a> Clone for HeadlessRendererBuilder<'a>
source§fn clone(&self) -> HeadlessRendererBuilder<'a>
fn clone(&self) -> HeadlessRendererBuilder<'a>
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moreAuto Trait Implementations§
impl<'a> RefUnwindSafe for HeadlessRendererBuilder<'a>
impl<'a> Send for HeadlessRendererBuilder<'a>
impl<'a> Sync for HeadlessRendererBuilder<'a>
impl<'a> Unpin for HeadlessRendererBuilder<'a>
impl<'a> UnwindSafe for HeadlessRendererBuilder<'a>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere T: Any,
§fn into_any(self: Box<T, Global>) -> Box<dyn Any, Global>
fn into_any(self: Box<T, Global>) -> Box<dyn Any, Global>
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.