LibWeb/WebGL: Forward the render context ref count to HTMLCanvasElement

This allows HTMLCanvasElement and WebGL rendering contexts to share
their lifetime, as JS allows them to arbitrarily access them at any
time and WebGLRCB.canvas expects a non-null return value.
This commit is contained in:
Luke Wilde 2022-06-19 19:45:33 +01:00 committed by Linus Groh
commit 0ec8a19a34
Notes: sideshowbarker 2024-07-17 09:56:01 +09:00
2 changed files with 18 additions and 9 deletions

View file

@ -12,7 +12,7 @@
namespace Web::WebGL {
WebGLRenderingContextBase::WebGLRenderingContextBase(HTML::HTMLCanvasElement& canvas_element, NonnullOwnPtr<GL::GLContext> context, WebGLContextAttributes context_creation_parameters, WebGLContextAttributes actual_context_parameters)
: m_canvas_element(canvas_element)
: RefCountForwarder(canvas_element)
, m_context(move(context))
, m_context_creation_parameters(move(context_creation_parameters))
, m_actual_context_parameters(move(actual_context_parameters))
@ -67,15 +67,23 @@ void WebGLRenderingContextBase::present()
}
}
HTML::HTMLCanvasElement& WebGLRenderingContextBase::canvas_element()
{
return ref_count_target();
}
HTML::HTMLCanvasElement const& WebGLRenderingContextBase::canvas_element() const
{
return ref_count_target();
}
void WebGLRenderingContextBase::needs_to_present()
{
m_should_present = true;
if (!m_canvas_element)
if (!canvas_element().layout_node())
return;
if (!m_canvas_element->layout_node())
return;
m_canvas_element->layout_node()->set_needs_display();
canvas_element().layout_node()->set_needs_display();
}
void WebGLRenderingContextBase::set_error(GLenum error)