50 lines
1.9 KiB
C++
50 lines
1.9 KiB
C++
/*
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* WinServer.hpp
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* Window server kernel state for external process windows
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* Copyright (c) 2026 Daniel Hammer
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*/
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#pragma once
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#include "Syscall.hpp"
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#include <cstdint>
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namespace WinServer {
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static constexpr int MaxWindows = 8;
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static constexpr int MaxEvents = 64;
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static constexpr int MaxPixelPages = 8192; // up to 3840x2160 @ 32bpp = 32MB
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struct WindowSlot {
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bool used;
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int ownerPid;
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char title[64];
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int width, height;
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uint64_t pixelPhysPages[MaxPixelPages]; // live buffer (app writes here)
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uint64_t snapshotPhysPages[MaxPixelPages]; // snapshot (compositor reads here)
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int pixelNumPages;
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uint64_t ownerVa; // VA in owner's address space
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uint64_t desktopVa; // VA in desktop's address space (0 = not yet mapped)
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int desktopPid; // PID of the process that mapped it
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Montauk::WinEvent events[MaxEvents];
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int eventHead, eventTail;
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bool dirty;
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uint8_t cursor; // cursor style requested by app (0=arrow, 1=resize_h, 2=resize_v)
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};
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int Create(int ownerPid, uint64_t ownerPml4, const char* title, int w, int h,
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uint64_t& heapNext, uint64_t& outVa);
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int Destroy(int windowId, int callerPid);
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int Present(int windowId, int callerPid);
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int Poll(int windowId, int callerPid, Montauk::WinEvent* outEvent);
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int Enumerate(Montauk::WinInfo* outArray, int maxCount);
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uint64_t Map(int windowId, int callerPid, uint64_t callerPml4, uint64_t& heapNext);
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int SendEvent(int windowId, const Montauk::WinEvent* event);
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int Resize(int windowId, int callerPid, uint64_t ownerPml4, int newW, int newH,
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uint64_t& heapNext, uint64_t& outVa);
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void CleanupProcess(int pid);
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int SetCursor(int windowId, int callerPid, int cursor);
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int SetScale(int scale);
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int GetScale();
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}
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