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LibWeb: Allow construction of PaintingSurface directly from IOSurface

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Previously, constructing a PaintingSurface from an IOSurface required
wrapping IOSurface into a Metal texture before passing it to the
PaintingSurface constructor. This process was cumbersome, as the caller
needed access to a MetalContext to perform the wrapping.

With this change SkiaBackendContext maintains a reference to the
MetalContext which makes it possible to do:
IOSurface -> MetalTexture -> SkSurface within a PaintingSurface
constructor.
This commit is contained in:
Aliaksandr Kalenik 2024-11-29 20:11:20 +01:00 • committed by Alexander Kalenik
commit e683700fe6
Notes: github-actions[bot] 2024-12-03 22:38:00 +00:00
9 changed files with 31 additions and 18 deletions
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9
Libraries/LibGfx/PaintingSurface.cpp
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@ -56,13 +56,14 @@ NonnullRefPtr<PaintingSurface> PaintingSurface::wrap_bitmap(Bitmap& bitmap)
}
#ifdef AK_OS_MACOS
NonnullRefPtr<PaintingSurface> PaintingSurface::wrap_metal_surface(Gfx::MetalTexture& metal_texture, RefPtr<SkiaBackendContext> context)
NonnullRefPtr<PaintingSurface> PaintingSurface::wrap_iosurface(Core::IOSurfaceHandle const& iosurface_handle, RefPtr<SkiaBackendContext> context)
{
IntSize const size { metal_texture.width(), metal_texture.height() };
auto metal_texture = context->metal_context().create_texture_from_iosurface(iosurface_handle);
IntSize const size { metal_texture->width(), metal_texture->height() };
auto image_info = SkImageInfo::Make(size.width(), size.height(), kBGRA_8888_SkColorType, kPremul_SkAlphaType);
GrMtlTextureInfo mtl_info;
mtl_info.fTexture = sk_ret_cfp(metal_texture.texture());
auto backend_render_target = GrBackendRenderTargets::MakeMtl(metal_texture.width(), metal_texture.height(), mtl_info);
mtl_info.fTexture = sk_ret_cfp(metal_texture->texture());
auto backend_render_target = GrBackendRenderTargets::MakeMtl(metal_texture->width(), metal_texture->height(), mtl_info);
auto surface = SkSurfaces::WrapBackendRenderTarget(context->sk_context(), backend_render_target, kTopLeft_GrSurfaceOrigin, kBGRA_8888_SkColorType, nullptr, nullptr);
return adopt_ref(*new PaintingSurface(make<Impl>(size, surface, nullptr, context)));
}