]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - vid_wgl.c
now checks that a lightmap surfacechain is not NULL before dereferencing it
[xonotic/darkplaces.git] / vid_wgl.c
index 8f9c2dc83b063bd03bc9d2014581f2c32d5bd485..af3475f79decdcd3942264db43ede83463dcbdcc 100644 (file)
--- a/vid_wgl.c
+++ b/vid_wgl.c
@@ -79,10 +79,11 @@ static DEVMODE gdevmode;
 static qboolean vid_initialized = false;
 static qboolean vid_wassuspended = false;
 static int vid_usingmouse;
-extern qboolean mouseactive;  // from in_win.c
 static HICON hIcon;
 
 HWND mainwindow;
+static HDC      baseDC;
+static HGLRC baseRC;
 
 //HWND WINAPI InitializeWindow (HINSTANCE hInstance, int nCmdShow);
 
@@ -145,7 +146,7 @@ HRESULT (WINAPI *pDirectInputCreate)(HINSTANCE hinst, DWORD dwVersion,
 int                    mouse_buttons;
 int                    mouse_oldbuttonstate;
 POINT          current_pos;
-int                    mouse_x, mouse_y, old_mouse_x, old_mouse_y, mx_accum, my_accum;
+int                    mouse_x, mouse_y, old_mouse_x, old_mouse_y;
 
 static qboolean        restore_spi;
 static int             originalmouseparms[3], newmouseparms[3] = {0, 0, 1};
@@ -303,7 +304,6 @@ void VID_GetWindowSize (int *x, int *y, int *width, int *height)
 
 void VID_Finish (void)
 {
-       HDC hdc;
        int vid_usemouse;
        static int      old_vsync       = -1;
 
@@ -319,9 +319,7 @@ void VID_Finish (void)
        {
                if (r_speeds.integer || gl_finish.integer)
                        qglFinish();
-               hdc = GetDC(mainwindow);
-               SwapBuffers(hdc);
-               ReleaseDC(mainwindow, hdc);
+               SwapBuffers(baseDC);
        }
 
 // handle the mouse state when windowed if that's changed
@@ -790,7 +788,6 @@ int VID_InitMode (int fullscreen, int width, int height, int bpp)
        };
        int pixelformat;
        DWORD WindowStyle, ExWindowStyle;
-       HGLRC baseRC;
        int CenterX, CenterY;
        const char *gldrivername;
        int depth;
@@ -935,19 +932,19 @@ int VID_InitMode (int fullscreen, int width, int height, int bpp)
        // fix the leftover Alt from any Alt-Tab or the like that switched us away
        ClearAllStates ();
 
-       hdc = GetDC(mainwindow);
+       baseDC = GetDC(mainwindow);
 
-       if ((pixelformat = ChoosePixelFormat(hdc, &pfd)) == 0)
+       if ((pixelformat = ChoosePixelFormat(baseDC, &pfd)) == 0)
        {
                VID_Shutdown();
-               Con_Printf("ChoosePixelFormat(%d, %p) failed\n", hdc, &pfd);
+               Con_Printf("ChoosePixelFormat(%d, %p) failed\n", baseDC, &pfd);
                return false;
        }
 
-       if (SetPixelFormat(hdc, pixelformat, &pfd) == false)
+       if (SetPixelFormat(baseDC, pixelformat, &pfd) == false)
        {
                VID_Shutdown();
-               Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", hdc, pixelformat, &pfd);
+               Con_Printf("SetPixelFormat(%d, %d, %p) failed\n", baseDC, pixelformat, &pfd);
                return false;
        }
 
@@ -958,17 +955,17 @@ int VID_InitMode (int fullscreen, int width, int height, int bpp)
                return false;
        }
 
-       baseRC = qwglCreateContext(hdc);
+       baseRC = qwglCreateContext(baseDC);
        if (!baseRC)
        {
                VID_Shutdown();
                Con_Print("Could not initialize GL (wglCreateContext failed).\n\nMake sure you are in 65536 color mode, and try running -window.\n");
                return false;
        }
-       if (!qwglMakeCurrent(hdc, baseRC))
+       if (!qwglMakeCurrent(baseDC, baseRC))
        {
                VID_Shutdown();
-               Con_Printf("wglMakeCurrent(%d, %d) failed\n", hdc, baseRC);
+               Con_Printf("wglMakeCurrent(%d, %d) failed\n", baseDC, baseRC);
                return false;
        }
 
@@ -990,11 +987,11 @@ int VID_InitMode (int fullscreen, int width, int height, int bpp)
        gl_videosyncavailable = false;
 
        if (qwglGetExtensionsStringARB)
-               gl_platformextensions = qwglGetExtensionsStringARB(hdc);
+               gl_platformextensions = qwglGetExtensionsStringARB(baseDC);
 
 // COMMANDLINEOPTION: Windows WGL: -novideosync disables WGL_EXT_swap_control
        gl_videosyncavailable = GL_CheckExtension("WGL_EXT_swap_control", wglswapintervalfuncs, "-novideosync", false);
-       ReleaseDC(mainwindow, hdc);
+       //ReleaseDC(mainwindow, hdc);
 
        GL_Init ();
 
@@ -1021,9 +1018,6 @@ int VID_InitMode (int fullscreen, int width, int height, int bpp)
 static void IN_Shutdown(void);
 void VID_Shutdown (void)
 {
-       HGLRC hRC = 0;
-       HDC hDC = 0;
-
        if(vid_initialized == false)
                return;
 
@@ -1031,18 +1025,14 @@ void VID_Shutdown (void)
 
        vid_initialized = false;
        IN_Shutdown();
-       if (qwglGetCurrentContext)
-               hRC = qwglGetCurrentContext();
-       if (qwglGetCurrentDC)
-               hDC = qwglGetCurrentDC();
        if (qwglMakeCurrent)
                qwglMakeCurrent(NULL, NULL);
-       if (hRC && qwglDeleteContext)
-               qwglDeleteContext(hRC);
+       if (baseRC && qwglDeleteContext)
+               qwglDeleteContext(baseRC);
        // close the library before we get rid of the window
        GL_CloseLibrary();
-       if (hDC && mainwindow)
-               ReleaseDC(mainwindow, hDC);
+       if (baseDC && mainwindow)
+               ReleaseDC(mainwindow, baseDC);
        AppActivate(false, false);
        if (mainwindow)
                DestroyWindow(mainwindow);
@@ -1271,8 +1261,8 @@ void IN_StartupMouse (void)
 
        mouseinitialized = true;
 
-// COMMANDLINEOPTION: Windows Input: -dinput uses DirectInput (instead of GDI) for mouse/joystick input, may be more precise or responsive, but probably not
-       if (COM_CheckParm ("-dinput"))
+// COMMANDLINEOPTION: Windows Input: -nodinput disables DirectInput for mouse/joystick input, gl_finish 1 mode recommended if this option is used as otherwise it tends to stutter due to input backlog.
+       if (!COM_CheckParm ("-nodinput"))
        {
                dinput = IN_InitDInput ();
 
@@ -1292,18 +1282,18 @@ void IN_StartupMouse (void)
 
                if (mouseparmsvalid)
                {
-// COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (ignored with -dinput, windows only)
+// COMMANDLINEOPTION: Windows GDI Input: -noforcemspd disables setting of mouse speed (-nodinput only, windows only)
                        if ( COM_CheckParm ("-noforcemspd") )
                                newmouseparms[2] = originalmouseparms[2];
 
-// COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (ignored with -dinput, windows only)
+// COMMANDLINEOPTION: Windows GDI Input: -noforcemaccel disables setting of mouse acceleration (-nodinput only, windows only)
                        if ( COM_CheckParm ("-noforcemaccel") )
                        {
                                newmouseparms[0] = originalmouseparms[0];
                                newmouseparms[1] = originalmouseparms[1];
                        }
 
-// COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (ignored with -dinput, windows only)
+// COMMANDLINEOPTION: Windows GDI Input: -noforcemparms disables setting of mouse parameters (-nodinput only, windows only)
                        if ( COM_CheckParm ("-noforcemparms") )
                        {
                                newmouseparms[0] = originalmouseparms[0];
@@ -1453,10 +1443,8 @@ void IN_MouseMove (usercmd_t *cmd)
        else
        {
                GetCursorPos (&current_pos);
-               mx = current_pos.x - window_center_x + mx_accum;
-               my = current_pos.y - window_center_y + my_accum;
-               mx_accum = 0;
-               my_accum = 0;
+               mx = current_pos.x - window_center_x;
+               my = current_pos.y - window_center_y;
        }
 
        IN_Mouse(cmd, mx, my);
@@ -1482,29 +1470,6 @@ void IN_Move (usercmd_t *cmd)
 }
 
 
-/*
-===========
-IN_Accumulate
-===========
-*/
-void IN_Accumulate (void)
-{
-       if (mouseactive)
-       {
-               if (!dinput)
-               {
-                       GetCursorPos (&current_pos);
-
-                       mx_accum += current_pos.x - window_center_x;
-                       my_accum += current_pos.y - window_center_y;
-
-               // force the mouse to the center, so there's room to move
-                       SetCursorPos (window_center_x, window_center_y);
-               }
-       }
-}
-
-
 /*
 ===================
 IN_ClearStates
@@ -1513,11 +1478,7 @@ IN_ClearStates
 void IN_ClearStates (void)
 {
        if (mouseactive)
-       {
-               mx_accum = 0;
-               my_accum = 0;
                mouse_oldbuttonstate = 0;
-       }
 }