//#include <stdio.h>
#include <signal.h>
-//#include <dlfcn.h>
+#include <dlfcn.h>
#include <X11/Xlib.h>
#include <X11/Xutil.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 gl_extensionfunctionlist_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 gl_extensionfunctionlist_t videosyncfuncs[] =
+{
+ {"glXGetVideoSyncSGI", (void **) &qglXGetVideoSyncSGI},
+ {"glXWaitVideoSyncSGI", (void **) &qglXWaitVideoSyncSGI},
+ {NULL, NULL}
+};
static Display *vidx11_display = NULL;
static int scrnum;
#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;
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)
// 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;
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;
- GL_OpenLibrary();
-
- 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);
if ((qglXChooseVisual = GL_GetProcAddress("glXChooseVisual")) == NULL
|| (qglXCreateContext = GL_GetProcAddress("glXCreateContext")) == NULL
|| (qglXMakeCurrent = GL_GetProcAddress("glXMakeCurrent")) == NULL
- || (qglXSwapBuffers = GL_GetProcAddress("glXSwapBuffers")) == NULL)
- Sys_Error("glX functions not found in libGL.so.1\n");
+ || (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 = qglXChooseVisual(vidx11_display, scrnum, gammaattrib);
+ {
+ VID_BuildGLXAttrib(attrib, stencil, true);
+ visinfo = qglXChooseVisual(vidx11_display, scrnum, attrib);
+ }
#endif
if (!visinfo)
{
- visinfo = qglXChooseVisual(vidx11_display, scrnum, nogammaattrib);
+ VID_BuildGLXAttrib(attrib, stencil, false);
+ visinfo = qglXChooseVisual(vidx11_display, scrnum, attrib);
if (!visinfo)
{
- Sys_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;
}
}
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");
- qglXMakeCurrent(vidx11_display, win, ctx);
+ if (!qglXMakeCurrent(vidx11_display, win, ctx))
+ Sys_Error ("glXMakeCurrent failed\n");
+
+ 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);
- vid_hidden = false;
+ GL_CheckExtension("GLX_ARB_get_proc_address", getprocaddressfuncs, "-nogetprocaddress", false);
+ gl_videosyncavailable = GL_CheckExtension("GLX_SGI_video_sync", videosyncfuncs, "-novideosync", false);
+ usingmouse = false;
+ vid_hidden = false;
GL_Init();
-
- Con_SafePrintf ("Video mode %dx%d initialized.\n", width, height);
+ return true;
}
void Sys_SendKeyEvents(void)
HandleEvents();
}
-void IN_Init(void)
-{
- if (COM_CheckParm ("-nomouse"))
- mouse_avail = false;
-}
-
-void IN_Shutdown(void)
-{
-}
-
/*
===========
IN_Commands
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;
+}