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

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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
parent adf8341c4e
commit 0ec8a19a34
2 changed files with 18 additions and 9 deletions
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18
Userland/Libraries/LibWeb/WebGL/WebGLRenderingContextBase.cpp
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@ -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)