]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_glx.c
got rid of node->contents, leaf->contents kept (only needed temporarily during loadin...
[xonotic/darkplaces.git] / vid_glx.c
index ab40fdf8fa154d497147c90f208fe2e5e2e3c9f5..70336a9c216c1fa2b2c49e77f700b2bb56df114d 100644 (file)
--- a/vid_glx.c
+++ b/vid_glx.c
@@ -42,6 +42,9 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #include "quakedef.h"
 
+// Tell startup code that we have a client
+int cl_available = true;
+
 //GLX prototypes
 XVisualInfo *(GLAPIENTRY *qglXChooseVisual)(Display *dpy, int screen, int *attribList);
 GLXContext (GLAPIENTRY *qglXCreateContext)(Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct);
@@ -59,14 +62,12 @@ static dllfunction_t getprocaddressfuncs[] =
        {NULL, NULL}
 };
 
-//GLX_SGI_video_sync
-GLint (GLAPIENTRY *qglXGetVideoSyncSGI)(GLuint *count);
-GLint (GLAPIENTRY *qglXWaitVideoSyncSGI)(GLint divisor, GLint remainder, GLuint *count);
+//GLX_SGI_swap_control
+GLint (GLAPIENTRY *qglXSwapIntervalSGI)(GLint interval);
 
-static dllfunction_t videosyncfuncs[] =
+static dllfunction_t swapcontrolfuncs[] =
 {
-       {"glXGetVideoSyncSGI", (void **) &qglXGetVideoSyncSGI},
-       {"glXWaitVideoSyncSGI", (void **) &qglXWaitVideoSyncSGI},
+       {"glXSwapIntervalSGI", (void **) &qglXSwapIntervalSGI},
        {NULL, NULL}
 };
 
@@ -85,8 +86,13 @@ Atom wm_delete_window_atom;
                LeaveWindowMask)
 
 
-static qboolean                mouse_avail = true;
-static qboolean                mouse_active = false, usingmouse = false;
+static qboolean mouse_avail = true;
+static qboolean mouse_active = false;
+static qboolean vid_usingmouse = false;
+static qboolean vid_usemouse = false;
+static qboolean vid_usingvsync = false;
+static qboolean vid_usevsync = false;
+static qboolean ignoremousemove = false;
 static float   mouse_x, mouse_y;
 static int p_mouse_x, p_mouse_y;
 
@@ -264,7 +270,7 @@ static void install_grabs(void)
                if (!XF86DGAQueryVersion(vidx11_display, &MajorVersion, &MinorVersion))
                {
                        // unable to query, probalby not supported
-                       Con_Printf( "Failed to detect XF86DGA Mouse\n" );
+                       Con_Print( "Failed to detect XF86DGA Mouse\n" );
                        vid_dga.integer = 0;
                }
                else
@@ -282,6 +288,7 @@ static void install_grabs(void)
 
        mouse_active = true;
        mouse_x = mouse_y = 0;
+       ignoremousemove = true;
 }
 
 static void uninstall_grabs(void)
@@ -301,6 +308,7 @@ static void uninstall_grabs(void)
        XUndefineCursor(vidx11_display, win);
 
        mouse_active = false;
+       ignoremousemove = true;
 }
 
 static void HandleEvents(void)
@@ -333,7 +341,7 @@ static void HandleEvents(void)
 
                case MotionNotify:
                        // mouse moved
-                       if (usingmouse)
+                       if (vid_usingmouse)
                        {
 #ifndef __APPLE__
                                if (vid_dga.integer == 1)
@@ -510,6 +518,13 @@ static void HandleEvents(void)
                XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, p_mouse_x, p_mouse_y);
        }
 
+       // if told to ignore one mouse move, do so
+       if (ignoremousemove)
+       {
+               ignoremousemove = false;
+               mouse_x = 0;
+               mouse_y = 0;
+       }
 }
 
 static void IN_DeactivateMouse( void )
@@ -531,7 +546,6 @@ static void IN_ActivateMouse( void )
 
        if (!mouse_active)
        {
-               mouse_x = mouse_y = 0; // don't spazz
                install_grabs();
                mouse_active = true;
        }
@@ -543,7 +557,7 @@ void VID_Shutdown(void)
                return;
 
        vid_hidden = true;
-       usingmouse = false;
+       vid_usingmouse = false;
        if (vidx11_display)
        {
                VID_RestoreSystemGamma();
@@ -601,35 +615,43 @@ void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 
 void VID_Finish (void)
 {
-       int usemouse;
-       if (r_render.integer)
+       vid_usevsync = vid_vsync.integer && !cls.timedemo && gl_videosyncavailable;
+       if (vid_usingvsync != vid_usevsync && gl_videosyncavailable)
        {
-               qglFinish();
-               qglXSwapBuffers(vidx11_display, win);
+               vid_usingvsync = vid_usevsync;
+               if (qglXSwapIntervalSGI (vid_usevsync))
+                       Con_Print("glXSwapIntervalSGI didn't accept the vid_vsync change, it will take effect on next vid_restart (GLX_SGI_swap_control does not allow turning off vsync)\n");
        }
 
 // handle the mouse state when windowed if that's changed
-       usemouse = false;
+       vid_usemouse = false;
        if (vid_mouse.integer && !key_consoleactive)
-               usemouse = true;
+               vid_usemouse = true;
        if (vidmode_active)
-               usemouse = true;
-       if (usemouse)
+               vid_usemouse = true;
+       if (vid_usemouse)
        {
-               if (!usingmouse)
+               if (!vid_usingmouse)
                {
-                       usingmouse = true;
+                       vid_usingmouse = true;
                        IN_ActivateMouse ();
                }
        }
        else
        {
-               if (usingmouse)
+               if (vid_usingmouse)
                {
-                       usingmouse = false;
+                       vid_usingmouse = false;
                        IN_DeactivateMouse ();
                }
        }
+
+       if (r_render.integer)
+       {
+               if (r_speeds.integer || gl_finish.integer)
+                       qglFinish();
+               qglXSwapBuffers(vidx11_display, win);
+       }
 }
 
 int VID_SetGamma(unsigned short *ramps)
@@ -649,6 +671,7 @@ void VID_Init(void)
        Cvar_RegisterVariable (&vid_dga_mouseaccel);
 #endif
        InitSig(); // trap evil signals
+// COMMANDLINEOPTION: Input: -nomouse disables mouse support (see also vid_mouse cvar)
        if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
                mouse_avail = false;
 }
@@ -686,6 +709,9 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
 #else
        drivername = "libGL.so.1";
 #endif
+// COMMANDLINEOPTION: Linux GLX: -gl_driver <drivername> selects a GL driver library, default is libGL.so.1, useful only for using fxmesa or similar, if you don't know what this is for, you don't need it
+// COMMANDLINEOPTION: BSD GLX: -gl_driver <drivername> selects a GL driver library, default is libGL.so.1, useful only for using fxmesa or similar, if you don't know what this is for, you don't need it
+// LordHavoc: although this works on MacOSX, it's useless there (as there is only one system libGL)
        i = COM_CheckParm("-gl_driver");
        if (i && i < com_argc - 1)
                drivername = com_argv[i + 1];
@@ -697,7 +723,7 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
 
        if (!(vidx11_display = XOpenDisplay(NULL)))
        {
-               Con_Printf("Couldn't open the X display\n");
+               Con_Print("Couldn't open the X display\n");
                return false;
        }
 
@@ -728,7 +754,7 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
        visinfo = qglXChooseVisual(vidx11_display, vidx11_screen, attrib);
        if (!visinfo)
        {
-               Con_Printf("Couldn't get an RGB, Double-buffered, Depth visual\n");
+               Con_Print("Couldn't get an RGB, Double-buffered, Depth visual\n");
                return false;
        }
 
@@ -840,10 +866,20 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
        gl_platform = "GLX";
        gl_platformextensions = qglXQueryExtensionsString(vidx11_display, vidx11_screen);
 
-       GL_CheckExtension("GLX_ARB_get_proc_address", getprocaddressfuncs, "-nogetprocaddress", false);
-       gl_videosyncavailable = GL_CheckExtension("GLX_SGI_video_sync", videosyncfuncs, "-novideosync", false);
+       gl_videosyncavailable = false;
 
-       usingmouse = false;
+// COMMANDLINEOPTION: Linux GLX: -nogetprocaddress disables GLX_ARB_get_proc_address (not required, more formal method of getting extension functions)
+// COMMANDLINEOPTION: BSD GLX: -nogetprocaddress disables GLX_ARB_get_proc_address (not required, more formal method of getting extension functions)
+// COMMANDLINEOPTION: MacOSX GLX: -nogetprocaddress disables GLX_ARB_get_proc_address (not required, more formal method of getting extension functions)
+       GL_CheckExtension("GLX_ARB_get_proc_address", getprocaddressfuncs, "-nogetprocaddress", false);
+// COMMANDLINEOPTION: Linux GLX: -novideosync disables GLX_SGI_swap_control
+// COMMANDLINEOPTION: BSD GLX: -novideosync disables GLX_SGI_swap_control
+// COMMANDLINEOPTION: MacOSX GLX: -novideosync disables GLX_SGI_swap_control
+       gl_videosyncavailable = GL_CheckExtension("GLX_SGI_swap_control", swapcontrolfuncs, "-novideosync", false);
+
+       vid_usingmouse = false;
+       vid_usingvsync = false;
+       ignoremousemove = true;
        vid_hidden = false;
        vid_activewindow = true;
        GL_Init();
@@ -864,10 +900,10 @@ void IN_Commands (void)
 {
 }
 
-void IN_Move (usercmd_t *cmd)
+void IN_Move (void)
 {
        if (mouse_avail)
-               IN_Mouse(cmd, mouse_x, mouse_y);
+               IN_Mouse(mouse_x, mouse_y);
        mouse_x = 0;
        mouse_y = 0;
 }