]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_glx.c
Elric's changes:
[xonotic/darkplaces.git] / vid_glx.c
index 6445cbac8c6221825b22bdf67d356d7181254da5..a8a8407a7a5ba444d2ff1c0cad7ceef31816ce35 100644 (file)
--- a/vid_glx.c
+++ b/vid_glx.c
@@ -17,18 +17,18 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
-#include <termios.h>
-#include <sys/ioctl.h>
-#include <sys/stat.h>
-#include <sys/vt.h>
-#include <stdarg.h>
-#include <stdio.h>
+//#include <termios.h>
+//#include <sys/ioctl.h>
+//#include <sys/stat.h>
+//#include <sys/vt.h>
+//#include <stdarg.h>
+//#include <stdio.h>
 #include <signal.h>
 
 #include <dlfcn.h>
 
-#include "quakedef.h"
-
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
 #include <GL/glx.h>
 
 #include <X11/keysym.h>
@@ -38,19 +38,51 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #include <X11/extensions/xf86dga.h>
 #include <X11/extensions/xf86vmode.h>
 
+#include "quakedef.h"
+
+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);
+void (GLAPIENTRY *qglXDestroyContext)(Display *dpy, GLXContext ctx);
+Bool (GLAPIENTRY *qglXMakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx);
+void (GLAPIENTRY *qglXSwapBuffers)(Display *dpy, GLXDrawable drawable);
+const char *(GLAPIENTRY *qglXQueryExtensionsString)(Display *dpy, int screen);
+
+//GLX_ARB_get_proc_address
+void *(GLAPIENTRY *qglXGetProcAddressARB)(const GLubyte *procName);
+
+static dllfunction_t getprocaddressfuncs[] =
+{
+       {"glXGetProcAddressARB", (void **) &qglXGetProcAddressARB},
+       {NULL, NULL}
+};
+
+//GLX_SGI_video_sync
+GLint (GLAPIENTRY *qglXGetVideoSyncSGI)(GLuint *count);
+GLint (GLAPIENTRY *qglXWaitVideoSyncSGI)(int divisor, int remainder, unsigned int *count);
+
+static dllfunction_t videosyncfuncs[] =
+{
+       {"glXGetVideoSyncSGI", (void **) &qglXGetVideoSyncSGI},
+       {"glXWaitVideoSyncSGI", (void **) &qglXWaitVideoSyncSGI},
+       {NULL, NULL}
+};
+
 static Display *vidx11_display = NULL;
 static int scrnum;
 static Window win;
 static GLXContext ctx = NULL;
 
+Atom wm_delete_window_atom;
+
 #define KEY_MASK (KeyPressMask | KeyReleaseMask)
 #define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \
                    PointerMotionMask | ButtonMotionMask )
 #define X_MASK (KEY_MASK | MOUSE_MASK | VisibilityChangeMask | StructureNotifyMask )
 
 
-viddef_t       vid;                            // global video state
-
 static qboolean                mouse_avail = true;
 static qboolean                mouse_active = false, usingmouse = false;
 static float   mouse_x, mouse_y;
@@ -74,12 +106,6 @@ static Colormap vidx11_colormap;
 
 /*-----------------------------------------------------------------------*/
 
-const char *gl_vendor;
-const char *gl_renderer;
-const char *gl_version;
-const char *gl_extensions;
-
-/*-----------------------------------------------------------------------*/
 static int
 XLateKey(XKeyEvent *ev)
 {
@@ -278,11 +304,17 @@ static void HandleEvents(void)
                switch (event.type)
                {
                case KeyPress:
+                       // key pressed
+                       Key_Event(XLateKey(&event.xkey), true);
+                       break;
+
                case KeyRelease:
-                       Key_Event(XLateKey(&event.xkey), event.type == KeyPress);
+                       // key released
+                       Key_Event(XLateKey(&event.xkey), false);
                        break;
 
                case MotionNotify:
+                       // mouse moved
                        if (usingmouse)
                        {
                                if (vid_dga.integer == 1)
@@ -292,7 +324,7 @@ static void HandleEvents(void)
                                }
                                else
                                {
-                                       
+
                                        if (!event.xmotion.send_event)
                                        {
                                                mouse_x += event.xmotion.x - p_mouse_x;
@@ -309,6 +341,7 @@ static void HandleEvents(void)
                        break;
 
                case ButtonPress:
+                       // mouse button pressed
                        switch(event.xbutton.button)
                        {
                        case 1:
@@ -333,6 +366,7 @@ static void HandleEvents(void)
                        break;
 
                case ButtonRelease:
+                       // mouse button released
                        switch(event.xbutton.button)
                        {
                        case 1:
@@ -356,15 +390,46 @@ static void HandleEvents(void)
                        }
                        break;
 
-               case CreateNotify :
+               case CreateNotify:
+                       // window created
                        win_x = event.xcreatewindow.x;
                        win_y = event.xcreatewindow.y;
                        break;
 
-               case ConfigureNotify :
+               case ConfigureNotify:
+                       // window changed size/location
                        win_x = event.xconfigure.x;
                        win_y = event.xconfigure.y;
                        break;
+               case DestroyNotify:
+                       // window has been destroyed
+                       Sys_Quit();
+                       break;
+               case ClientMessage:
+                       // window manager messages
+                       if ((event.xclient.format == 32) && (event.xclient.data.l[0] == wm_delete_window_atom))
+                               Sys_Quit();
+                       break;
+               case MapNotify:
+                       // window restored
+                       vid_hidden = false;
+                       break;
+               case UnmapNotify:
+                       // window iconified/rolledup/whatever
+                       vid_hidden = true;
+                       break;
+               case FocusIn:
+                       // window is now the input focus
+                       break;
+               case FocusOut:
+                       // window is no longer the input focus
+                       break;
+               case EnterNotify:
+                       // mouse entered window
+                       break;
+               case LeaveNotify:
+                       // mouse left window
+                       break;
                }
        }
 
@@ -409,10 +474,13 @@ void VID_Shutdown(void)
        if (!ctx || !vidx11_display)
                return;
 
+       vid_hidden = true;
+       usingmouse = false;
        if (vidx11_display)
        {
                uninstall_grabs();
 
+               // FIXME: glXDestroyContext here?
                if (vidmode_active)
                        XF86VidModeSwitchToMode(vidx11_display, scrnum, vidmodes[0]);
                if (win)
@@ -423,6 +491,8 @@ void VID_Shutdown(void)
        vidx11_display = NULL;
        win = 0;
        ctx = NULL;
+
+       GL_CloseLibrary();
 }
 
 void signal_handler(int sig)
@@ -464,12 +534,12 @@ void VID_Finish (void)
        if (r_render.integer)
        {
                qglFinish();
-               glXSwapBuffers(vidx11_display, win);
+               qglXSwapBuffers(vidx11_display, win);
        }
 
 // handle the mouse state when windowed if that's changed
        usemouse = false;
-       if (vid_mouse.integer && key_dest == key_game)
+       if (vid_mouse.integer && !key_consoleactive)
                usemouse = true;
        if (vidmode_active)
                usemouse = true;
@@ -569,76 +639,59 @@ int VID_SetGamma(float prescale, float gamma, float scale, float base)
 
 void VID_Init(void)
 {
-       int i;
-// LordHavoc: FIXME: finish this code, we need to allocate colors before we can store them
-#if 0
-       int gammaattrib[] =
+       Cvar_RegisterVariable (&vid_dga);
+       Cvar_RegisterVariable (&vid_dga_mouseaccel);
+       InitSig(); // trap evil signals
+       if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
+               mouse_avail = false;
+}
+
+void VID_BuildGLXAttrib(int *attrib, int stencil, int gamma)
+{
+       *attrib++ = GLX_RGBA;
+       *attrib++ = GLX_RED_SIZE;*attrib++ = 1;
+       *attrib++ = GLX_GREEN_SIZE;*attrib++ = 1;
+       *attrib++ = GLX_BLUE_SIZE;*attrib++ = 1;
+       *attrib++ = GLX_DOUBLEBUFFER;
+       *attrib++ = GLX_DEPTH_SIZE;*attrib++ = 1;
+       // if stencil is enabled, ask for alpha too
+       if (stencil)
        {
-               GLX_RGBA,
-               GLX_RED_SIZE, 1,
-               GLX_GREEN_SIZE, 1,
-               GLX_BLUE_SIZE, 1,
-               GLX_DOUBLEBUFFER,
-               GLX_DEPTH_SIZE, 1,
-               GLX_X_VISUAL_TYPE, GLX_DIRECT_COLOR,
-               None
-       };
-#endif
-       int nogammaattrib[] =
+               *attrib++ = GLX_STENCIL_SIZE;*attrib++ = 8;
+               *attrib++ = GLX_ALPHA_SIZE;*attrib++ = 1;
+       }
+       if (gamma)
        {
-               GLX_RGBA,
-               GLX_RED_SIZE, 1,
-               GLX_GREEN_SIZE, 1,
-               GLX_BLUE_SIZE, 1,
-               GLX_DOUBLEBUFFER,
-               GLX_DEPTH_SIZE, 1,
-               None
+               *attrib++ = GLX_X_VISUAL_TYPE;*attrib++ = GLX_DIRECT_COLOR;
        };
-       int width = 640, height = 480;
+       *attrib++ = None;
+}
+
+int VID_InitMode(int fullscreen, int width, int height, int bpp, int stencil)
+{
+       int i;
+       int attrib[32];
        XSetWindowAttributes attr;
        unsigned long mask;
        Window root;
        XVisualInfo *visinfo;
-       qboolean fullscreen = true;
        int MajorVersion, MinorVersion;
+       const char *drivername;
 
-       Cvar_RegisterVariable (&vid_dga);
-       Cvar_RegisterVariable (&vid_dga_mouseaccel);
-
-// interpret command-line params
-
-// set vid parameters
-       if ((i = COM_CheckParm("-window")) != 0)
-               fullscreen = false;
-
-       if ((i = COM_CheckParm("-width")) != 0)
-               width = atoi(com_argv[i+1]);
-
-       if ((i = COM_CheckParm("-height")) != 0)
-               height = atoi(com_argv[i+1]);
-
-       if ((i = COM_CheckParm("-conwidth")) != 0)
-               vid.conwidth = atoi(com_argv[i+1]);
-       else
-               vid.conwidth = 640;
-
-       vid.conwidth &= 0xfff8; // make it a multiple of eight
-
-       if (vid.conwidth < 320)
-               vid.conwidth = 320;
-
-       // pick a conheight that matches with correct aspect
-       vid.conheight = vid.conwidth*3 / 4;
-
-       if ((i = COM_CheckParm("-conheight")) != 0)
-               vid.conheight = atoi(com_argv[i+1]);
-       if (vid.conheight < 200)
-               vid.conheight = 200;
+       drivername = "libGL.so.1";
+       i = COM_CheckParm("-gl_driver");
+       if (i && i < com_argc - 1)
+               drivername = com_argv[i + 1];
+       if (!GL_OpenLibrary(drivername))
+       {
+               Con_Printf("Unable to load GL driver \"%s\"\n", drivername);
+               return false;
+       }
 
        if (!(vidx11_display = XOpenDisplay(NULL)))
        {
-               fprintf(stderr, "Error couldn't open the X display\n");
-               exit(1);
+               Con_Printf("Couldn't open the X display\n");
+               return false;
        }
 
        scrnum = DefaultScreen(vidx11_display);
@@ -654,19 +707,33 @@ void VID_Init(void)
                vidmode_ext = true;
        }
 
+       if ((qglXChooseVisual = GL_GetProcAddress("glXChooseVisual")) == NULL
+        || (qglXCreateContext = GL_GetProcAddress("glXCreateContext")) == NULL
+        || (qglXMakeCurrent = GL_GetProcAddress("glXMakeCurrent")) == NULL
+        || (qglXSwapBuffers = GL_GetProcAddress("glXSwapBuffers")) == NULL
+        || (qglXQueryExtensionsString = GL_GetProcAddress("glXQueryExtensionsString")) == NULL)
+       {
+               Con_Printf("glX functions not found in %s\n", gl_driver);
+               return false;
+       }
+
        visinfo = NULL;
 // LordHavoc: FIXME: finish this code, we need to allocate colors before we can store them
 #if 0
        if (!COM_CheckParm("-nogamma"))
-               visinfo = glXChooseVisual(vidx11_display, scrnum, gammaattrib);
+       {
+               VID_BuildGLXAttrib(attrib, stencil, true);
+               visinfo = qglXChooseVisual(vidx11_display, scrnum, attrib);
+       }
 #endif
        if (!visinfo)
        {
-               visinfo = glXChooseVisual(vidx11_display, scrnum, nogammaattrib);
+               VID_BuildGLXAttrib(attrib, stencil, false);
+               visinfo = qglXChooseVisual(vidx11_display, scrnum, attrib);
                if (!visinfo)
                {
-                       fprintf(stderr, "qkHack: Error couldn't get an RGB, Double-buffered, Depth visual\n");
-                       exit(1);
+                       Con_Printf("Couldn't get an RGB, Double-buffered, Depth visual\n");
+                       return false;
                }
        }
 
@@ -740,6 +807,11 @@ void VID_Init(void)
        XStoreName(vidx11_display, win, gamename);
        XMapWindow(vidx11_display, win);
 
+       // LordHavoc: making the close button on a window do the right thing
+       // seems to involve this mess, sigh...
+       wm_delete_window_atom = XInternAtom(vidx11_display, "WM_DELETE_WINDOW", false);
+       XSetWMProtocols(vidx11_display, win, &wm_delete_window_atom, 1);
+
        if (vidmode_active)
        {
                XMoveWindow(vidx11_display, win, 0, 0);
@@ -750,25 +822,37 @@ void VID_Init(void)
                XF86VidModeSetViewPort(vidx11_display, scrnum, 0, 0);
        }
 
-       XFlush(vidx11_display);
+       //XSync(vidx11_display, False);
+
+       ctx = qglXCreateContext(vidx11_display, visinfo, NULL, True);
+       if (!ctx)
+               Sys_Error ("glXCreateContext failed\n");
 
-       ctx = glXCreateContext(vidx11_display, visinfo, NULL, True);
+       if (!qglXMakeCurrent(vidx11_display, win, ctx))
+               Sys_Error ("glXMakeCurrent failed\n");
 
-       glXMakeCurrent(vidx11_display, win, ctx);
+       XSync(vidx11_display, False);
 
        scr_width = width;
        scr_height = height;
 
-       if (vid.conheight > height)
-               vid.conheight = height;
-       if (vid.conwidth > width)
-               vid.conwidth = width;
+       if ((qglGetString = GL_GetProcAddress("glGetString")) == NULL)
+               Sys_Error("glGetString not found in %s", gl_driver);
 
-       InitSig(); // trap evil signals
+       gl_renderer = qglGetString(GL_RENDERER);
+       gl_vendor = qglGetString(GL_VENDOR);
+       gl_version = qglGetString(GL_VERSION);
+       gl_extensions = qglGetString(GL_EXTENSIONS);
+       gl_platform = "GLX";
+       gl_platformextensions = qglXQueryExtensionsString(vidx11_display, scrnum);
 
-       GL_Init();
+       GL_CheckExtension("GLX_ARB_get_proc_address", getprocaddressfuncs, "-nogetprocaddress", false);
+       gl_videosyncavailable = GL_CheckExtension("GLX_SGI_video_sync", videosyncfuncs, "-novideosync", false);
 
-       Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
+       usingmouse = false;
+       vid_hidden = false;
+       GL_Init();
+       return true;
 }
 
 void Sys_SendKeyEvents(void)
@@ -776,16 +860,6 @@ void Sys_SendKeyEvents(void)
        HandleEvents();
 }
 
-void IN_Init(void)
-{
-       if (COM_CheckParm ("-nomouse"))
-               mouse_avail = false;
-}
-
-void IN_Shutdown(void)
-{
-}
-
 /*
 ===========
 IN_Commands
@@ -803,3 +877,39 @@ void IN_Move (usercmd_t *cmd)
        mouse_y = 0;
 }
 
+static void *prjobj = NULL;
+
+int GL_OpenLibrary(const char *name)
+{
+       Con_Printf("Loading GL driver %s\n", name);
+       GL_CloseLibrary();
+       if (!(prjobj = dlopen(name, RTLD_LAZY)))
+       {
+               Con_Printf("Unable to open symbol list for %s\n", name);
+               return false;
+       }
+       strcpy(gl_driver, name);
+       return true;
+}
+
+void GL_CloseLibrary(void)
+{
+       if (prjobj)
+               dlclose(prjobj);
+       prjobj = NULL;
+       gl_driver[0] = 0;
+       qglXGetProcAddressARB = NULL;
+       gl_extensions = "";
+       gl_platform = "";
+       gl_platformextensions = "";
+}
+
+void *GL_GetProcAddress(const char *name)
+{
+       void *p = NULL;
+       if (qglXGetProcAddressARB != NULL)
+               p = (void *) qglXGetProcAddressARB(name);
+       if (p == NULL)
+               p = (void *) dlsym(prjobj, name);
+       return p;
+}