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LibWeb: Implement GLES2 context creation

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For now only macOS is supported.

IOSurface is used as a backing store because it will allow us to read
it from Skia and write to it from OpenGL without any extra copying:
- ANGLE_metal_texture_client_buffer extension is used to create
  EGLSurface from IOSurface.
- Then the same IOSurface is wrapped into Metal texture and passed to
  Skia allowing to share the same memory between Skia Metal backend and
  ANGLE.
This commit is contained in:
Aliaksandr Kalenik 2024-11-29 22:15:02 +01:00 • committed by Alexander Kalenik
parent d133b0aded
commit 38488b9ef3
Notes: github-actions[bot] 2024-12-03 22:37:28 +00:00
5 changed files with 223 additions and 19 deletions
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16
Libraries/LibWeb/HTML/HTMLCanvasElement.cpp
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@ -121,8 +121,8 @@ void HTMLCanvasElement::reset_context_to_default_state()
[](GC::Ref<CanvasRenderingContext2D>& context) {
context->reset_to_default_state();
},
[](GC::Ref<WebGL::WebGLRenderingContext>&) {
TODO();
[](GC::Ref<WebGL::WebGLRenderingContext>& context) {
context->reset_to_default_state();
},
[](Empty) {
// Do nothing.
@ -135,8 +135,8 @@ void HTMLCanvasElement::notify_context_about_canvas_size_change()
[&](GC::Ref<CanvasRenderingContext2D>& context) {
context->set_size(bitmap_size_for_canvas());
},
[&](GC::Ref<WebGL::WebGLRenderingContext>&) {
TODO();
[&](GC::Ref<WebGL::WebGLRenderingContext>& context) {
context->set_size(bitmap_size_for_canvas());
},
[](Empty) {
// Do nothing.
@ -391,8 +391,8 @@ RefPtr<Gfx::PaintingSurface> HTMLCanvasElement::surface() const
[&](GC::Ref<CanvasRenderingContext2D> const& context) {
return context->surface();
},
[&](GC::Ref<WebGL::WebGLRenderingContext> const&) -> RefPtr<Gfx::PaintingSurface> {
TODO();
[&](GC::Ref<WebGL::WebGLRenderingContext> const& context) -> RefPtr<Gfx::PaintingSurface> {
return context->surface();
},
[](Empty) -> RefPtr<Gfx::PaintingSurface> {
return {};
@ -405,8 +405,8 @@ void HTMLCanvasElement::allocate_painting_surface_if_needed()
[&](GC::Ref<CanvasRenderingContext2D>& context) {
context->allocate_painting_surface_if_needed();
},
[&](GC::Ref<WebGL::WebGLRenderingContext>&) {
TODO();
[&](GC::Ref<WebGL::WebGLRenderingContext>& context) {
context->allocate_painting_surface_if_needed();
},
[](Empty) {
// Do nothing.