124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
/**************************************************************
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custom_video_xrandr.h - Linux XRANDR video management layer
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---------------------------------------------------------
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Switchres Modeline generation engine for emulation
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License GPL-2.0+
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Copyright 2010-2021 Chris Kennedy, Antonio Giner,
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Alexandre Wodarczyk, Gil Delescluse
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**************************************************************/
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#ifndef __CUSTOM_VIDEO_XRANDR__
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#define __CUSTOM_VIDEO_XRANDR__
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// X11 Xrandr headers
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#include <X11/extensions/Xrandr.h>
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#include "custom_video.h"
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// Set timing option flags
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#define XRANDR_DISABLE_CRTC_RELOCATION 0x00000001
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#define XRANDR_ENABLE_SCREEN_REORDERING 0x00000002
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// Set timing internal flags
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#define XRANDR_SETMODE_IS_DESKTOP 0x00000001
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#define XRANDR_SETMODE_RESTORE_DESKTOP 0x00000002
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#define XRANDR_SETMODE_UPDATE_DESKTOP_CRTC 0x00000010
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#define XRANDR_SETMODE_UPDATE_OTHER_CRTC 0x00000020
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#define XRANDR_SETMODE_UPDATE_REORDERING 0x00000040
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#define XRANDR_SETMODE_INFO_MASK 0x0000000F
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#define XRANDR_SETMODE_UPDATE_MASK 0x000000F0
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// Super resolution placement, vertical stacking, reserved XRANDR_REORDERING_MAXIMUM_HEIGHT pixels
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//TODO confirm 1024 height is sufficient
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#define XRANDR_REORDERING_MAXIMUM_HEIGHT 1024
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class xrandr_timing : public custom_video
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{
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public:
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xrandr_timing(char *device_name, custom_video_settings *vs);
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~xrandr_timing();
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const char *api_name() { return "XRANDR"; }
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int caps() { return CUSTOM_VIDEO_CAPS_ADD; }
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bool init();
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bool add_mode(modeline *mode);
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bool delete_mode(modeline *mode);
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bool update_mode(modeline *mode);
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bool get_timing(modeline *mode);
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bool set_timing(modeline *mode);
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bool process_modelist(std::vector<modeline *>);
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static int ms_xerrors;
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static int ms_xerrors_flag;
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private:
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int m_id = 0;
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int m_managed = 0;
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int m_enable_screen_reordering = 0;
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int m_enable_screen_compositing = 0;
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XRRModeInfo *find_mode(modeline *mode);
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XRRModeInfo *find_mode_by_name(char *name);
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bool set_timing(modeline *mode, int flags);
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int m_video_modes_position = 0;
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char m_device_name[32];
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Rotation m_desktop_rotation;
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unsigned int m_min_width;
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unsigned int m_max_width;
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unsigned int m_min_height;
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unsigned int m_max_height;
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Display *m_pdisplay = NULL;
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Window m_root;
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int m_screen;
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int m_desktop_output = -1;
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XRRModeInfo m_desktop_mode = {};
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int m_crtc_flags = 0;
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XRRCrtcInfo m_last_crtc = {};
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void *m_xrandr_handle = 0;
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__typeof__(XRRAddOutputMode) *p_XRRAddOutputMode;
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__typeof__(XRRConfigCurrentConfiguration) *p_XRRConfigCurrentConfiguration;
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__typeof__(XRRCreateMode) *p_XRRCreateMode;
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__typeof__(XRRDeleteOutputMode) *p_XRRDeleteOutputMode;
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__typeof__(XRRDestroyMode) *p_XRRDestroyMode;
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__typeof__(XRRFreeCrtcInfo) *p_XRRFreeCrtcInfo;
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__typeof__(XRRFreeOutputInfo) *p_XRRFreeOutputInfo;
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__typeof__(XRRFreeScreenConfigInfo) *p_XRRFreeScreenConfigInfo;
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__typeof__(XRRFreeScreenResources) *p_XRRFreeScreenResources;
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__typeof__(XRRGetCrtcInfo) *p_XRRGetCrtcInfo;
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__typeof__(XRRGetOutputInfo) *p_XRRGetOutputInfo;
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__typeof__(XRRGetScreenInfo) *p_XRRGetScreenInfo;
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__typeof__(XRRGetScreenResourcesCurrent) *p_XRRGetScreenResourcesCurrent;
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__typeof__(XRRQueryVersion) *p_XRRQueryVersion;
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__typeof__(XRRSetCrtcConfig) *p_XRRSetCrtcConfig;
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__typeof__(XRRSetScreenSize) *p_XRRSetScreenSize;
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__typeof__(XRRGetScreenSizeRange) *p_XRRGetScreenSizeRange;
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void *m_x11_handle = 0;
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__typeof__(XCloseDisplay) *p_XCloseDisplay;
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__typeof__(XGrabServer) *p_XGrabServer;
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__typeof__(XOpenDisplay) *p_XOpenDisplay;
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__typeof__(XSync) *p_XSync;
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__typeof__(XUngrabServer) *p_XUngrabServer;
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__typeof__(XSetErrorHandler) *p_XSetErrorHandler;
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__typeof__(XClearWindow) *p_XClearWindow;
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__typeof__(XFillRectangle) *p_XFillRectangle;
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__typeof__(XCreateGC) *p_XCreateGC;
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};
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#endif
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