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Code Issues Projects Releases Packages Wiki Activity Actions 13

WindowServer: Query driver for framebuffer offset

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Depending on the driver, the second buffer may not be located right
after the first, e.g. it may be page aligned. This removes this
assumption and queries the driver for the appropriate offset.
This commit is contained in:
Tom 2021-07-03 20:36:16 -06:00 • committed by Andreas Kling
commit 6e792553f2
Notes: sideshowbarker 2024-07-18 10:25:55 +09:00
5 changed files with 47 additions and 6 deletions
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4
Userland/Services/WindowServer/Compositor.cpp
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@ -87,12 +87,12 @@ void Compositor::ScreenData::init_bitmaps(Compositor& compositor, Screen& screen
auto size = screen.size();
m_front_bitmap = Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::BGRx8888, size, screen.scale_factor(), screen.pitch(), screen.scanline(0));
m_front_bitmap = Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::BGRx8888, size, screen.scale_factor(), screen.pitch(), screen.scanline(0, 0));
m_front_painter = make<Gfx::Painter>(*m_front_bitmap);
m_front_painter->translate(-screen.rect().location());
if (m_screen_can_set_buffer)
m_back_bitmap = Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::BGRx8888, size, screen.scale_factor(), screen.pitch(), screen.scanline(screen.physical_height()));
m_back_bitmap = Gfx::Bitmap::create_wrapper(Gfx::BitmapFormat::BGRx8888, size, screen.scale_factor(), screen.pitch(), screen.scanline(1, 0));
else
m_back_bitmap = Gfx::Bitmap::create(Gfx::BitmapFormat::BGRx8888, size, screen.scale_factor());
m_back_painter = make<Gfx::Painter>(*m_back_bitmap);