103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
/* $Xorg: sampleEVI.c,v 1.3 2000/08/17 19:47:58 cpqbld Exp $ */
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/************************************************************
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Copyright (c) 1997 by Silicon Graphics Computer Systems, Inc.
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Permission to use, copy, modify, and distribute this
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software and its documentation for any purpose and without
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fee is hereby granted, provided that the above copyright
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notice appear in all copies and that both that copyright
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notice and this permission notice appear in supporting
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documentation, and that the name of Silicon Graphics not be
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used in advertising or publicity pertaining to distribution
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of the software without specific prior written permission.
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Silicon Graphics makes no representation about the suitability
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of this software for any purpose. It is provided "as is"
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without any express or implied warranty.
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SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
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GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
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THE USE OR PERFORMANCE OF THIS SOFTWARE.
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********************************************************/
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/* $XFree86$ */
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#include "X.h"
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#include "Xproto.h"
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#include "dixstruct.h"
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#include "extnsionst.h"
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#include "dix.h"
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#define _XEVI_SERVER_
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#include "XEVIstr.h"
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#include "EVIstruct.h"
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#include "scrnintstr.h"
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static int sampleGetVisualInfo(
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VisualID32 *visual,
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int n_visual,
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xExtendedVisualInfo **evi_rn,
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int *n_info_rn,
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VisualID32 **conflict_rn,
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int *n_conflict_rn)
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{
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int max_sz_evi = n_visual * sz_xExtendedVisualInfo * screenInfo.numScreens;
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VisualID32 *temp_conflict;
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xExtendedVisualInfo *evi;
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int max_visuals = 0, max_sz_conflict, sz_conflict = 0;
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register int visualI, scrI, sz_evi = 0, conflictI, n_conflict;
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*evi_rn = evi = (xExtendedVisualInfo *)xalloc(max_sz_evi);
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if (!*evi_rn)
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return BadAlloc;
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for (scrI = 0; scrI < screenInfo.numScreens; scrI++) {
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if (screenInfo.screens[scrI]->numVisuals > max_visuals)
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max_visuals = screenInfo.screens[scrI]->numVisuals;
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}
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max_sz_conflict = n_visual * sz_VisualID32 * screenInfo.numScreens * max_visuals;
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temp_conflict = (VisualID32 *)xalloc(max_sz_conflict);
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if (!temp_conflict) {
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xfree(*evi_rn);
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return BadAlloc;
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}
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for (scrI = 0; scrI < screenInfo.numScreens; scrI++) {
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for (visualI = 0; visualI < n_visual; visualI++) {
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evi[sz_evi].core_visual_id = visual[visualI];
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evi[sz_evi].screen = scrI;
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evi[sz_evi].level = 0;
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evi[sz_evi].transparency_type = XEVI_TRANSPARENCY_NONE;
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evi[sz_evi].transparency_value = 0;
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evi[sz_evi].min_hw_colormaps = 1;
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evi[sz_evi].max_hw_colormaps = 1;
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evi[sz_evi].num_colormap_conflicts = n_conflict = 0;
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for (conflictI = 0; conflictI < n_conflict; conflictI++)
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temp_conflict[sz_conflict++] = visual[visualI];
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sz_evi++;
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}
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}
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*conflict_rn = temp_conflict;
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*n_conflict_rn = sz_conflict;
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*n_info_rn = sz_evi;
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return Success;
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}
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static void sampleFreeVisualInfo(
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xExtendedVisualInfo *evi,
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VisualID32 *conflict)
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{
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if (evi)
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xfree(evi);
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if (conflict)
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xfree(conflict);
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}
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EviPrivPtr eviDDXInit(void)
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{
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static EviPrivRec eviPriv;
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eviPriv.getVisualInfo = sampleGetVisualInfo;
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eviPriv.freeVisualInfo = sampleFreeVisualInfo;
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return &eviPriv;
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}
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void eviDDXReset(void)
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{
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}
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