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Make a SharedGraphics directory for classes shared between Kernel and LibGUI.

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This commit is contained in:
Andreas Kling 2019-01-19 23:22:46 +01:00
parent b75ee4aacb
commit 7e5b81fe48
31 changed files with 49 additions and 41 deletions
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57
SharedGraphics/GraphicsBitmap.cpp Normal file
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#include "GraphicsBitmap.h"
#include <AK/kmalloc.h>
#ifdef KERNEL
#include <Kernel/Process.h>
#include <Kernel/MemoryManager.h>
#include <WindowServer/WSEventLoop.h>
#endif
#ifdef KERNEL
RetainPtr<GraphicsBitmap> GraphicsBitmap::create(Process& process, const Size& size)
{
return adopt(*new GraphicsBitmap(process, size));
}
GraphicsBitmap::GraphicsBitmap(Process& process, const Size& size)
: m_size(size)
, m_pitch(size.width() * sizeof(RGBA32))
, m_client_process(&process)
{
size_t size_in_bytes = size.width() * size.height() * sizeof(RGBA32);
auto vmo = VMObject::create_anonymous(size_in_bytes);
m_client_region = process.allocate_region_with_vmo(LinearAddress(), size_in_bytes, vmo.copyRef(), 0, "GraphicsBitmap (client)", true, true);
m_client_region->commit(process);
{
auto& server = WSEventLoop::the().server_process();
InterruptDisabler disabler;
m_server_region = server.allocate_region_with_vmo(LinearAddress(), size_in_bytes, move(vmo), 0, "GraphicsBitmap (server)", true, true);
}
m_data = (RGBA32*)m_server_region->linearAddress.asPtr();
}
#endif
RetainPtr<GraphicsBitmap> GraphicsBitmap::create_wrapper(const Size& size, RGBA32* data)
{
return adopt(*new GraphicsBitmap(size, data));
}
GraphicsBitmap::GraphicsBitmap(const Size& size, RGBA32* data)
: m_size(size)
, m_data(data)
, m_pitch(size.width() * sizeof(RGBA32))
{
}
GraphicsBitmap::~GraphicsBitmap()
{
#ifdef KERNEL
if (m_client_region)
m_client_process->deallocate_region(*m_client_region);
if (m_server_region)
WSEventLoop::the().server_process().deallocate_region(*m_server_region);
#endif
m_data = nullptr;
}