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LibGfx: Use anonymous buffer instead of raw anon_fd for Gfx::Bitmap

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Instead of using a low-level, proprietary API inside LibGfx, let's use
Core::AnonymousBuffer which already abstracts anon_fd and offers a
higher-level API too.
This commit is contained in:
Jean-Baptiste Boric 2021-05-24 12:24:38 +02:00 • committed by Andreas Kling
parent de395a3df2
commit e4394b1605
5 changed files with 41 additions and 75 deletions
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9
Userland/Libraries/LibGfx/ShareableBitmap.cpp
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@ -14,7 +14,7 @@
namespace Gfx {
ShareableBitmap::ShareableBitmap(const Bitmap& bitmap)
: m_bitmap(bitmap.to_bitmap_backed_by_anon_fd())
: m_bitmap(bitmap.to_bitmap_backed_by_anonymous_buffer())
{
}
@ -33,7 +33,7 @@ bool encode(Encoder& encoder, const Gfx::ShareableBitmap& shareable_bitmap)
if (!shareable_bitmap.is_valid())
return true;
auto& bitmap = *shareable_bitmap.bitmap();
encoder << IPC::File(bitmap.anon_fd());
encoder << IPC::File(bitmap.anonymous_buffer().fd());
encoder << bitmap.size();
encoder << bitmap.scale();
encoder << (u32)bitmap.format();
@ -73,7 +73,10 @@ bool decode(Decoder& decoder, Gfx::ShareableBitmap& shareable_bitmap)
if (!decoder.decode(palette))
return false;
}
auto bitmap = Gfx::Bitmap::create_with_anon_fd(bitmap_format, anon_file.take_fd(), size, scale, palette, Gfx::Bitmap::ShouldCloseAnonymousFile::Yes);
auto buffer = Core::AnonymousBuffer::create_from_anon_fd(anon_file.take_fd(), Gfx::Bitmap::size_in_bytes(Gfx::Bitmap::minimum_pitch(size.width(), bitmap_format), size.height()));
if (!buffer.is_valid())
return false;
auto bitmap = Gfx::Bitmap::create_with_anonymous_buffer(bitmap_format, buffer, size, scale, palette);
if (!bitmap)
return false;
shareable_bitmap = Gfx::ShareableBitmap { bitmap.release_nonnull(), Gfx::ShareableBitmap::ConstructWithKnownGoodBitmap };