diff options
Diffstat (limited to 'hw/dmx/dmxcb.c')
| -rw-r--r-- | hw/dmx/dmxcb.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/hw/dmx/dmxcb.c b/hw/dmx/dmxcb.c new file mode 100644 index 000000000..46ec307ef --- /dev/null +++ b/hw/dmx/dmxcb.c @@ -0,0 +1,209 @@ +/* $XFree86$ */ +/* + * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation on the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +/* + * Authors: + * Rickard E. (Rik) Faith <faith@redhat.com> + * + */ + +/** \file + * This code queries and modifies the connection block. */ + +#include "dmx.h" +#include "dmxcb.h" +#include "dmxinput.h" +#include "dmxlog.h" + +extern char *ConnectionInfo; +extern int connBlockScreenStart; +extern int PanoramiXPixWidth; +extern int PanoramiXPixHeight; +extern int PanoramiXNumScreens; + + int dmxGlobalWidth, dmxGlobalHeight; + +/** We may want the wall dimensions to be different from the bounding + * box dimensions that Xinerama computes, so save those and update them + * here. + */ +void dmxSetWidthHeight(int width, int height) +{ + dmxGlobalWidth = width; + dmxGlobalHeight = height; +} + +/** Computes the global bounding box for DMX. This may be larger than + * the one computed by Xinerama because of the DMX configuration + * file. */ +void dmxComputeWidthHeight(DMXRecomputeFlag flag) +{ + int i; + DMXScreenInfo *dmxScreen; + int w = 0; + int h = 0; + + for (i = 0; i < dmxNumScreens; i++) { + /* Don't use root* here because this is + * the global bounding box. */ + dmxScreen = &dmxScreens[i]; + if (w < dmxScreen->scrnWidth + dmxScreen->rootXOrigin) + w = dmxScreen->scrnWidth + dmxScreen->rootXOrigin; + if (h < dmxScreen->scrnHeight + dmxScreen->rootYOrigin) + h = dmxScreen->scrnHeight + dmxScreen->rootYOrigin; + } + if (!dmxGlobalWidth && !dmxGlobalHeight) { + dmxLog(dmxInfo, "Using %dx%d as global bounding box\n", w, h); + } else { + switch (flag) { + case DMX_NO_RECOMPUTE_BOUNDING_BOX: + dmxLog(dmxInfo, + "Using old bounding box (%dx%d) instead of new (%dx%d)\n", + dmxGlobalWidth, dmxGlobalHeight, w, h); + w = dmxGlobalWidth; + h = dmxGlobalHeight; + break; + case DMX_RECOMPUTE_BOUNDING_BOX: + dmxLog(dmxInfo, + "Using %dx%d as global bounding box, instead of %dx%d\n", + w, h, dmxGlobalWidth, dmxGlobalHeight); + break; + } + } + + dmxGlobalWidth = w; + dmxGlobalHeight = h; +} + +/** A callback routine that hooks into Xinerama and provides a + * convenient place to print summary log information during server + * startup. This routine does not modify any values. */ +void dmxConnectionBlockCallback(void) +{ + xWindowRoot *root = (xWindowRoot *)(ConnectionInfo+connBlockScreenStart); + int offset = connBlockScreenStart + sizeof(xWindowRoot); + int i; + Bool *found = NULL; + + MAXSCREENSALLOC(found); + if (!found) + dmxLog(dmxFatal, "dmxConnectionBlockCallback: out of memory\n"); + + dmxLog(dmxInfo, "===== Start of Summary =====\n"); + if (!noPanoramiXExtension) { + if (dmxGlobalWidth && dmxGlobalHeight + && (dmxGlobalWidth != PanoramiXPixWidth + || dmxGlobalHeight != PanoramiXPixHeight)) { + dmxLog(dmxInfo, + "Changing Xinerama dimensions from %d %d to %d %d\n", + PanoramiXPixWidth, PanoramiXPixHeight, + dmxGlobalWidth, dmxGlobalHeight); + PanoramiXPixWidth = root->pixWidth = dmxGlobalWidth; + PanoramiXPixHeight = root->pixHeight = dmxGlobalHeight; + } else { + dmxGlobalWidth = PanoramiXPixWidth; + dmxGlobalHeight = PanoramiXPixHeight; + } + dmxLog(dmxInfo, "%d screens configured with Xinerama (%d %d)\n", + PanoramiXNumScreens, PanoramiXPixWidth, PanoramiXPixHeight); + for (i = 0; i < PanoramiXNumScreens; i++) found[i] = FALSE; + } else { + /* This never happens because we're + * either called from a Xinerama + * callback or during reconfiguration + * (which only works with Xinerama on). + * In any case, be reasonable. */ + dmxLog(dmxInfo, "%d screens configured (%d %d)\n", + screenInfo.numScreens, root->pixWidth, root->pixHeight); + } + + for (i = 0; i < root->nDepths; i++) { + xDepth *depth = (xDepth *)(ConnectionInfo + offset); + int voffset = offset + sizeof(xDepth); + xVisualType *visual = (xVisualType *)(ConnectionInfo + voffset); + int j; + + dmxLog(dmxInfo, "%d visuals at depth %d:\n", + depth->nVisuals, depth->depth); + for (j = 0; j < depth->nVisuals; j++, visual++) { + XVisualInfo vi; + + vi.visual = NULL; + vi.visualid = visual->visualID; + vi.screen = 0; + vi.depth = depth->depth; + vi.class = visual->class; + vi.red_mask = visual->redMask; + vi.green_mask = visual->greenMask; + vi.blue_mask = visual->blueMask; + vi.colormap_size = visual->colormapEntries; + vi.bits_per_rgb = visual->bitsPerRGB; + dmxLogVisual(NULL, &vi, 0); + + if (!noPanoramiXExtension) { + int k; + for (k = 0; k < PanoramiXNumScreens; k++) { + DMXScreenInfo *dmxScreen = &dmxScreens[k]; + + if (dmxScreen->beDisplay) { + XVisualInfo *pvi = + &dmxScreen->beVisuals[dmxScreen->beDefVisualIndex]; + if (pvi->depth == depth->depth && + pvi->class == visual->class) + found[k] = TRUE; + } else { + /* Screen #k is detatched, so it always succeeds */ + found[k] = TRUE; + } + } + } + } + offset = voffset + depth->nVisuals * sizeof(xVisualType); + } + + dmxInputLogDevices(); + dmxLog(dmxInfo, "===== End of Summary =====\n"); + + if (!noPanoramiXExtension) { + Bool fatal = FALSE; + for (i = 0; i < PanoramiXNumScreens; i++) { + fatal |= !found[i]; + if (!found[i]) { + dmxLog(dmxError, + "The default visual for screen #%d does not match " + "any of the\n", i); + dmxLog(dmxError, + "consolidated visuals from Xinerama (listed above)\n"); + } + } + if (fatal) + dmxLog(dmxFatal, + "dmxConnectionBlockCallback: invalid screen(s) found"); + } + MAXSCREENSFREE(found); +} |