diff options
Diffstat (limited to 'hw/vfb/InitOutput.c')
| -rw-r--r-- | hw/vfb/InitOutput.c | 67 |
1 files changed, 63 insertions, 4 deletions
diff --git a/hw/vfb/InitOutput.c b/hw/vfb/InitOutput.c index 59283bdf3..1e751a51d 100644 --- a/hw/vfb/InitOutput.c +++ b/hw/vfb/InitOutput.c @@ -26,7 +26,17 @@ other dealings in this Software without prior written authorization from The Open Group. */ -/* $XFree86: xc/programs/Xserver/hw/vfb/InitOutput.c,v 3.25 2003/11/15 04:01:56 dawes Exp $ */ + +/* + * The screen origin code is: + * + * Copyright (c) 2004 by The XFree86 Project, Inc + * Rights as per the XFree86 1.1 licence + * (http://www.xfree86.org/legal/licenses.html). + * + */ + +/* $XFree86: xc/programs/Xserver/hw/vfb/InitOutput.c,v 3.27 2004/03/05 03:20:48 dawes Exp $ */ #if defined(WIN32) #include <X11/Xwinsock.h> @@ -80,7 +90,9 @@ typedef struct int width; int paddedBytesWidth; int paddedWidth; + int xOrigin; int height; + int yOrigin; int depth; int bitsPerPixel; int sizeInBytes; @@ -254,7 +266,7 @@ OsVendorFatalError() void ddxUseMsg() { - ErrorF("-screen scrn WxHxD set screen's width, height, depth\n"); + ErrorF("-screen n WxHxD[@x,y] set screen's width, height, depth, origin\n"); ErrorF("-pixdepths list-of-int support given pixmap depths\n"); #ifdef RENDER ErrorF("+/-render turn on/of RENDER extension support" @@ -288,6 +300,7 @@ ddxProcessArgument(int argc, char *argv[], int i) if (strcmp (argv[i], "-screen") == 0) /* -screen n WxHxD */ { int screenNum; + char *s; if (i + 2 >= argc) UseMsg(); screenNum = atoi(argv[i+1]); if (screenNum < 0 || screenNum >= MAXSCREENS) @@ -295,14 +308,31 @@ ddxProcessArgument(int argc, char *argv[], int i) ErrorF("Invalid screen number %d\n", screenNum); UseMsg(); } - if (3 != sscanf(argv[i+2], "%dx%dx%d", + s = strtok(argv[i+2], "@"); + if (3 != sscanf(s, "%dx%dx%d", &vfbScreens[screenNum].width, &vfbScreens[screenNum].height, &vfbScreens[screenNum].depth)) { - ErrorF("Invalid screen configuration %s\n", argv[i+2]); + ErrorF("Invalid screen configuration %s\n", s); UseMsg(); } + s = strtok(NULL, "@"); + if (s) + { + if (2 != sscanf(s, "%d,%d", + &vfbScreens[screenNum].xOrigin, + &vfbScreens[screenNum].yOrigin)) + { + ErrorF("Invalid screen position %s\n", s); + UseMsg(); + } + } + else + { + vfbScreens[screenNum].xOrigin = -1; + vfbScreens[screenNum].yOrigin = -1; + } if (screenNum >= vfbNumScreens) vfbNumScreens = screenNum + 1; @@ -1033,6 +1063,35 @@ InitOutput(ScreenInfo *screenInfo, int argc, char **argv) } } + /* + * Setup the Xinerama Layout. If the screen origins are not specified + * explicitly, assume that screen n is to the right of screen n - 1. + * It is safe to set this up even when Xinerama is not used. + */ + + for (i = 0; i < vfbNumScreens; i++) + { + if (vfbScreens[i].xOrigin < 0 || vfbScreens[i].yOrigin < 0) + { + if (i == 0) + { + dixScreenOrigins[i].x = 0; + dixScreenOrigins[i].y = 0; + } + else + { + dixScreenOrigins[i].x = dixScreenOrigins[i - 1].x + + vfbScreens[i - 1].width; + dixScreenOrigins[i].y = dixScreenOrigins[i - 1].y; + } + } + else + { + dixScreenOrigins[i].x = vfbScreens[i].xOrigin; + dixScreenOrigins[i].y = vfbScreens[i].yOrigin; + } + } + } /* end InitOutput */ /* this is just to get the server to link on AIX */ |