1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 01:47:35 +00:00

Share GraphicsBitmaps between the windowing server and the client process.

This is pretty cool. :^)

GraphicsBitmaps are now mapped into both the server and the client address
space (usually at different addresses but that doesn't matter.)

Added a GUI syscall for getting a window's backing store, and another one
for invalidating a window so that the server redraws it.
This commit is contained in:
Andreas Kling 2019-01-14 15:25:34 +01:00
parent b0e3f73375
commit 0c5ecd303c
13 changed files with 139 additions and 46 deletions

View file

@ -33,6 +33,13 @@ struct GUI_CreateWindowParameters {
char title[128];
};
struct GUI_WindowBackingStoreInfo {
GUI_Size size;
size_t bpp;
size_t pitch;
RGBA32* pixels;
};
enum class GUI_MouseButton : unsigned char {
NoButton = 0,
Left = 1,

View file

@ -192,6 +192,8 @@ public:
int gui$create_window(const GUI_CreateWindowParameters*);
int gui$destroy_window(int window_id);
int gui$get_window_backing_store(int window_id, GUI_WindowBackingStoreInfo*);
int gui$invalidate_window(int window_id);
DisplayInfo get_display_info();

View file

@ -25,8 +25,11 @@ void Process::initialize_gui_statics()
int Process::make_window_id()
{
int new_id = m_next_window_id++;
while (!new_id || m_windows.contains(new_id))
while (!new_id || m_windows.contains(new_id)) {
new_id = m_next_window_id++;
if (new_id < 0)
new_id = 1;
}
return new_id;
}
@ -74,11 +77,40 @@ int Process::gui$destroy_window(int window_id)
dbgprintf("%s<%u> gui$destroy_window (window_id=%d)\n", name().characters(), pid(), window_id);
if (window_id < 0)
return -EINVAL;
if (window_id >= static_cast<int>(m_windows.size()))
return -EBADWINDOW;
auto it = m_windows.find(window_id);
if (it == m_windows.end())
return -EBADWINDOW;
m_windows.remove(window_id);
return 0;
}
int Process::gui$get_window_backing_store(int window_id, GUI_WindowBackingStoreInfo* info)
{
dbgprintf("%s<%u> gui$get_window_backing_store (window_id=%d, info=%p)\n", name().characters(), pid(), window_id, info);
if (!validate_write_typed(info))
return -EFAULT;
if (window_id < 0)
return -EINVAL;
auto it = m_windows.find(window_id);
if (it == m_windows.end())
return -EBADWINDOW;
auto& window = *(*it).value;
info->bpp = sizeof(RGBA32);
info->pitch = window.backing()->pitch();
info->size = window.backing()->size();
info->pixels = reinterpret_cast<RGBA32*>(window.backing()->client_region()->linearAddress.asPtr());
return 0;
}
int Process::gui$invalidate_window(int window_id)
{
dbgprintf("%s<%u> gui$invalidate_window (window_id=%d)\n", name().characters(), pid(), window_id);
if (window_id < 0)
return -EINVAL;
auto it = m_windows.find(window_id);
if (it == m_windows.end())
return -EBADWINDOW;
auto& window = *(*it).value;
WindowManager::the().invalidate(window);
return 0;
}

View file

@ -191,6 +191,10 @@ static dword handle(RegisterDump& regs, dword function, dword arg1, dword arg2,
return current->gui$create_window((const GUI_CreateWindowParameters*)arg1);
case Syscall::SC_gui_destroy_window:
return current->gui$destroy_window((int)arg1);
case Syscall::SC_gui_get_window_backing_store:
return current->gui$get_window_backing_store((int)arg1, (GUI_WindowBackingStoreInfo*)arg2);
case Syscall::SC_gui_invalidate_window:
return current->gui$invalidate_window((int)arg1);
default:
kprintf("<%u> int0x80: Unknown function %u requested {%x, %x, %x}\n", current->pid(), function, arg1, arg2, arg3);
break;

View file

@ -68,6 +68,9 @@
__ENUMERATE_SYSCALL(sync) \
__ENUMERATE_SYSCALL(gui_create_window) \
__ENUMERATE_SYSCALL(gui_destroy_window) \
__ENUMERATE_SYSCALL(gui_get_window_backing_store) \
__ENUMERATE_SYSCALL(gui_invalidate_window) \
namespace Syscall {