diff options
Diffstat (limited to 'libXext/src')
| -rw-r--r-- | libXext/src/XShm.c | 862 | ||||
| -rw-r--r-- | libXext/src/Xge.c | 730 |
2 files changed, 796 insertions, 796 deletions
diff --git a/libXext/src/XShm.c b/libXext/src/XShm.c index e4bc1f3e0..d1f1a4d7f 100644 --- a/libXext/src/XShm.c +++ b/libXext/src/XShm.c @@ -1,431 +1,431 @@ -/*
- *
-Copyright 1989, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP 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.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
- *
- * Author: Bob Scheifler and Keith Packard, MIT X Consortium
- */
-
-/* THIS IS NOT AN X CONSORTIUM STANDARD OR AN X PROJECT TEAM SPECIFICATION */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <stdio.h>
-#include <X11/Xlibint.h>
-#include <X11/ImUtil.h>
-#include <X11/extensions/XShm.h>
-#include <X11/extensions/shmproto.h>
-#include <X11/extensions/Xext.h>
-#include <X11/extensions/extutil.h>
-
-static XExtensionInfo _shm_info_data;
-static XExtensionInfo *shm_info = &_shm_info_data;
-static /* const */ char *shm_extension_name = SHMNAME;
-
-#define ShmCheckExtension(dpy,i,val) \
- XextCheckExtension (dpy, i, shm_extension_name, val)
-
-/*****************************************************************************
- * *
- * private utility routines *
- * *
- *****************************************************************************/
-
-static int close_display(Display *dpy, XExtCodes *codes);
-static char *error_string(Display *dpy, int code, XExtCodes *codes,
- char *buf, int n);
-static Bool wire_to_event (Display *dpy, XEvent *re, xEvent *event);
-static Status event_to_wire (Display *dpy, XEvent *re, xEvent *event);
-static /* const */ XExtensionHooks shm_extension_hooks = {
- NULL, /* create_gc */
- NULL, /* copy_gc */
- NULL, /* flush_gc */
- NULL, /* free_gc */
- NULL, /* create_font */
- NULL, /* free_font */
- close_display, /* close_display */
- wire_to_event, /* wire_to_event */
- event_to_wire, /* event_to_wire */
- NULL, /* error */
- error_string, /* error_string */
-};
-
-static /* const */ char *shm_error_list[] = {
- "BadShmSeg", /* BadShmSeg */
-};
-
-static XEXT_GENERATE_FIND_DISPLAY (find_display, shm_info, shm_extension_name,
- &shm_extension_hooks, ShmNumberEvents, NULL)
-
-static XEXT_GENERATE_CLOSE_DISPLAY (close_display, shm_info)
-
-static XEXT_GENERATE_ERROR_STRING (error_string, shm_extension_name,
- ShmNumberErrors, shm_error_list)
-
-
-static Bool
-wire_to_event (Display *dpy, XEvent *re, xEvent *event)
-{
- XExtDisplayInfo *info = find_display (dpy);
- XShmCompletionEvent *se;
- xShmCompletionEvent *sevent;
-
- ShmCheckExtension (dpy, info, False);
-
- switch ((event->u.u.type & 0x7f) - info->codes->first_event) {
- case ShmCompletion:
- se = (XShmCompletionEvent *) re;
- sevent = (xShmCompletionEvent *) event;
- se->type = sevent->type & 0x7f;
- se->serial = _XSetLastRequestRead(dpy,(xGenericReply *) event);
- se->send_event = (sevent->type & 0x80) != 0;
- se->display = dpy;
- se->drawable = sevent->drawable;
- se->major_code = sevent->majorEvent;
- se->minor_code = sevent->minorEvent;
- se->shmseg = sevent->shmseg;
- se->offset = sevent->offset;
- return True;
- }
- return False;
-}
-
-static Status
-event_to_wire (Display *dpy, XEvent *re, xEvent *event)
-{
- XExtDisplayInfo *info = find_display (dpy);
- XShmCompletionEvent *se;
- xShmCompletionEvent *sevent;
-
- ShmCheckExtension (dpy, info, 0);
-
- switch ((re->type & 0x7f) - info->codes->first_event) {
- case ShmCompletion:
- se = (XShmCompletionEvent *) re;
- sevent = (xShmCompletionEvent *) event;
- sevent->type = se->type | (se->send_event ? 0x80 : 0);
- sevent->sequenceNumber = se->serial & 0xffff;
- sevent->drawable = se->drawable;
- sevent->majorEvent = se->major_code;
- sevent->minorEvent = se->minor_code;
- sevent->shmseg = se->shmseg;
- sevent->offset = se->offset;
- return True;
- }
- return False;
-}
-
-/*****************************************************************************
- * *
- * public Shared Memory Extension routines *
- * *
- *****************************************************************************/
-
-Bool XShmQueryExtension (Display *dpy /* int *event_basep, *error_basep */)
-{
- XExtDisplayInfo *info = find_display (dpy);
-
- if (XextHasExtension(info)) {
-/* *event_basep = info->codes->first_event;
- *error_basep = info->codes->error_event; */
- return True;
- } else {
- return False;
- }
-}
-
-
-int XShmGetEventBase(Display *dpy)
-{
- XExtDisplayInfo *info = find_display (dpy);
-
- if (XextHasExtension(info)) {
- return info->codes->first_event;
- } else {
- return -1;
- }
-}
-
-
-Bool XShmQueryVersion(
- Display *dpy,
- int *majorVersion,
- int *minorVersion,
- Bool *sharedPixmaps)
-{
- XExtDisplayInfo *info = find_display (dpy);
- xShmQueryVersionReply rep;
- register xShmQueryVersionReq *req;
-
- ShmCheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(ShmQueryVersion, req);
- req->reqType = info->codes->major_opcode;
- req->shmReqType = X_ShmQueryVersion;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return False;
- }
- *majorVersion = rep.majorVersion;
- *minorVersion = rep.minorVersion;
- *sharedPixmaps = rep.sharedPixmaps ? True : False;
- UnlockDisplay(dpy);
- SyncHandle();
- return True;
-}
-
-
-int XShmPixmapFormat(Display *dpy)
-{
- XExtDisplayInfo *info = find_display (dpy);
- xShmQueryVersionReply rep;
- register xShmQueryVersionReq *req;
-
- ShmCheckExtension (dpy, info, False);
-
- LockDisplay(dpy);
- GetReq(ShmQueryVersion, req);
- req->reqType = info->codes->major_opcode;
- req->shmReqType = X_ShmQueryVersion;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return 0;
- }
- UnlockDisplay(dpy);
- SyncHandle();
- if (rep.sharedPixmaps &&
- (rep.majorVersion > 1 || rep.minorVersion > 0))
- return rep.pixmapFormat;
- return 0;
-}
-
-
-Bool XShmAttach(Display *dpy, XShmSegmentInfo *shminfo)
-{
- XExtDisplayInfo *info = find_display (dpy);
- register xShmAttachReq *req;
-
- ShmCheckExtension (dpy, info, 0);
-
- LockDisplay(dpy);
- GetReq(ShmAttach, req);
- req->reqType = info->codes->major_opcode;
- req->shmReqType = X_ShmAttach;
- req->shmseg = shminfo->shmseg = XAllocID(dpy);
- req->shmid = shminfo->shmid;
- req->readOnly = shminfo->readOnly ? xTrue : xFalse;
- UnlockDisplay(dpy);
- SyncHandle();
- return 1;
-}
-
-
-Bool XShmDetach(Display *dpy, XShmSegmentInfo *shminfo)
-{
- XExtDisplayInfo *info = find_display (dpy);
- register xShmDetachReq *req;
-
- ShmCheckExtension (dpy, info, 0);
-
- LockDisplay(dpy);
- GetReq(ShmDetach, req);
- req->reqType = info->codes->major_opcode;
- req->shmReqType = X_ShmDetach;
- req->shmseg = shminfo->shmseg;
- UnlockDisplay(dpy);
- SyncHandle();
- return 1;
-}
-
-static int _XShmDestroyImage (XImage *ximage)
-{
- Xfree((char *)ximage);
- return 1;
-}
-
-#define ROUNDUP(nbytes, pad) ((((nbytes) + ((pad) - 1)) / (pad)) * (pad))
-
-XImage *XShmCreateImage (
- register Display *dpy,
- register Visual *visual,
- unsigned int depth,
- int format,
- char *data,
- XShmSegmentInfo *shminfo,
- unsigned int width,
- unsigned int height)
-{
- register XImage *image;
-
- image = (XImage *)Xcalloc(1, (unsigned)sizeof(XImage));
- if (!image)
- return image;
- image->data = data;
- image->obdata = (char *)shminfo;
- image->width = width;
- image->height = height;
- image->depth = depth;
- image->format = format;
- image->byte_order = dpy->byte_order;
- image->bitmap_unit = dpy->bitmap_unit;
- image->bitmap_bit_order = dpy->bitmap_bit_order;
- image->bitmap_pad = _XGetScanlinePad(dpy, depth);
- image->xoffset = 0;
- if (visual) {
- image->red_mask = visual->red_mask;
- image->green_mask = visual->green_mask;
- image->blue_mask = visual->blue_mask;
- } else {
- image->red_mask = image->green_mask = image->blue_mask = 0;
- }
- if (format == ZPixmap)
- image->bits_per_pixel = _XGetBitsPerPixel(dpy, (int)depth);
- else
- image->bits_per_pixel = 1;
- image->bytes_per_line = ROUNDUP((image->bits_per_pixel * width),
- image->bitmap_pad) >> 3;
- _XInitImageFuncPtrs(image);
- image->f.destroy_image = _XShmDestroyImage;
- return image;
-}
-
-Bool XShmPutImage (
- register Display *dpy,
- Drawable d,
- GC gc,
- register XImage *image,
- int src_x, int src_y, int dst_x, int dst_y,
- unsigned int src_width, unsigned int src_height,
- Bool send_event)
-{
- XExtDisplayInfo *info = find_display (dpy);
- XShmSegmentInfo *shminfo = (XShmSegmentInfo *)image->obdata;
- register xShmPutImageReq *req;
-
- ShmCheckExtension (dpy, info, 0);
- if (!shminfo) return 0;
-
- LockDisplay(dpy);
- FlushGC(dpy, gc);
- GetReq(ShmPutImage, req);
- req->reqType = info->codes->major_opcode;
- req->shmReqType = X_ShmPutImage;
- req->drawable = d;
- req->gc = gc->gid;
- req->srcX = src_x;
- req->srcY = src_y;
- req->srcWidth = src_width;
- req->srcHeight = src_height;
- req->dstX = dst_x;
- req->dstY = dst_y;
- req->totalWidth = image->width;
- req->totalHeight = image->height;
- req->depth = image->depth;
- req->format = image->format;
- req->sendEvent = send_event;
- req->shmseg = shminfo->shmseg;
- req->offset = image->data - shminfo->shmaddr;
- UnlockDisplay(dpy);
- SyncHandle();
- return 1;
-}
-
-
-Bool XShmGetImage(
- register Display *dpy,
- Drawable d,
- XImage *image,
- int x, int y,
- unsigned long plane_mask)
-{
- XExtDisplayInfo *info = find_display (dpy);
- XShmSegmentInfo *shminfo = (XShmSegmentInfo *)image->obdata;
- register xShmGetImageReq *req;
- xShmGetImageReply rep;
- register Visual *visual;
-
- ShmCheckExtension (dpy, info, 0);
- if (!shminfo) return 0;
-
- LockDisplay(dpy);
- GetReq(ShmGetImage, req);
- req->reqType = info->codes->major_opcode;
- req->shmReqType = X_ShmGetImage;
- req->drawable = d;
- req->x = x;
- req->y = y;
- req->width = image->width;
- req->height = image->height;
- req->planeMask = plane_mask;
- req->format = image->format;
- req->shmseg = shminfo->shmseg;
- req->offset = image->data - shminfo->shmaddr;
- if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
- UnlockDisplay(dpy);
- SyncHandle();
- return 0;
- }
- visual = _XVIDtoVisual(dpy, rep.visual);
- if (visual) {
- image->red_mask = visual->red_mask;
- image->green_mask = visual->green_mask;
- image->blue_mask = visual->blue_mask;
- } else {
- image->red_mask = image->green_mask = image->blue_mask = 0;
- }
- UnlockDisplay(dpy);
- SyncHandle();
- return 1;
-}
-
-Pixmap XShmCreatePixmap (
- register Display *dpy,
- Drawable d,
- char *data,
- XShmSegmentInfo *shminfo,
- unsigned int width, unsigned int height, unsigned int depth)
-{
- XExtDisplayInfo *info = find_display (dpy);
- Pixmap pid;
- register xShmCreatePixmapReq *req;
-
- ShmCheckExtension (dpy, info, 0);
-
- LockDisplay(dpy);
- GetReq(ShmCreatePixmap, req);
- req->reqType = info->codes->major_opcode;
- req->shmReqType = X_ShmCreatePixmap;
- req->drawable = d;
- req->width = width;
- req->height = height;
- req->depth = depth;
- req->shmseg = shminfo->shmseg;
- req->offset = data - shminfo->shmaddr;
- pid = req->pid = XAllocID(dpy);
- UnlockDisplay(dpy);
- SyncHandle();
- return pid;
-}
+/* + * +Copyright 1989, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice 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 NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP 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. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + * + * Author: Bob Scheifler and Keith Packard, MIT X Consortium + */ + +/* THIS IS NOT AN X CONSORTIUM STANDARD OR AN X PROJECT TEAM SPECIFICATION */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include <X11/Xlibint.h> +#include <X11/ImUtil.h> +#include <X11/extensions/XShm.h> +#include <X11/extensions/shmproto.h> +#include <X11/extensions/Xext.h> +#include <X11/extensions/extutil.h> + +static XExtensionInfo _shm_info_data; +static XExtensionInfo *shm_info = &_shm_info_data; +static /* const */ char *shm_extension_name = SHMNAME; + +#define ShmCheckExtension(dpy,i,val) \ + XextCheckExtension (dpy, i, shm_extension_name, val) + +/***************************************************************************** + * * + * private utility routines * + * * + *****************************************************************************/ + +static int close_display(Display *dpy, XExtCodes *codes); +static char *error_string(Display *dpy, int code, XExtCodes *codes, + char *buf, int n); +static Bool wire_to_event (Display *dpy, XEvent *re, xEvent *event); +static Status event_to_wire (Display *dpy, XEvent *re, xEvent *event); +static /* const */ XExtensionHooks shm_extension_hooks = { + NULL, /* create_gc */ + NULL, /* copy_gc */ + NULL, /* flush_gc */ + NULL, /* free_gc */ + NULL, /* create_font */ + NULL, /* free_font */ + close_display, /* close_display */ + wire_to_event, /* wire_to_event */ + event_to_wire, /* event_to_wire */ + NULL, /* error */ + error_string, /* error_string */ +}; + +static /* const */ char *shm_error_list[] = { + "BadShmSeg", /* BadShmSeg */ +}; + +static XEXT_GENERATE_FIND_DISPLAY (find_display, shm_info, shm_extension_name, + &shm_extension_hooks, ShmNumberEvents, NULL) + +static XEXT_GENERATE_CLOSE_DISPLAY (close_display, shm_info) + +static XEXT_GENERATE_ERROR_STRING (error_string, shm_extension_name, + ShmNumberErrors, shm_error_list) + + +static Bool +wire_to_event (Display *dpy, XEvent *re, xEvent *event) +{ + XExtDisplayInfo *info = find_display (dpy); + XShmCompletionEvent *se; + xShmCompletionEvent *sevent; + + ShmCheckExtension (dpy, info, False); + + switch ((event->u.u.type & 0x7f) - info->codes->first_event) { + case ShmCompletion: + se = (XShmCompletionEvent *) re; + sevent = (xShmCompletionEvent *) event; + se->type = sevent->type & 0x7f; + se->serial = _XSetLastRequestRead(dpy,(xGenericReply *) event); + se->send_event = (sevent->type & 0x80) != 0; + se->display = dpy; + se->drawable = sevent->drawable; + se->major_code = sevent->majorEvent; + se->minor_code = sevent->minorEvent; + se->shmseg = sevent->shmseg; + se->offset = sevent->offset; + return True; + } + return False; +} + +static Status +event_to_wire (Display *dpy, XEvent *re, xEvent *event) +{ + XExtDisplayInfo *info = find_display (dpy); + XShmCompletionEvent *se; + xShmCompletionEvent *sevent; + + ShmCheckExtension (dpy, info, 0); + + switch ((re->type & 0x7f) - info->codes->first_event) { + case ShmCompletion: + se = (XShmCompletionEvent *) re; + sevent = (xShmCompletionEvent *) event; + sevent->type = se->type | (se->send_event ? 0x80 : 0); + sevent->sequenceNumber = se->serial & 0xffff; + sevent->drawable = se->drawable; + sevent->majorEvent = se->major_code; + sevent->minorEvent = se->minor_code; + sevent->shmseg = se->shmseg; + sevent->offset = se->offset; + return True; + } + return False; +} + +/***************************************************************************** + * * + * public Shared Memory Extension routines * + * * + *****************************************************************************/ + +Bool XShmQueryExtension (Display *dpy /* int *event_basep, *error_basep */) +{ + XExtDisplayInfo *info = find_display (dpy); + + if (XextHasExtension(info)) { +/* *event_basep = info->codes->first_event; + *error_basep = info->codes->error_event; */ + return True; + } else { + return False; + } +} + + +int XShmGetEventBase(Display *dpy) +{ + XExtDisplayInfo *info = find_display (dpy); + + if (XextHasExtension(info)) { + return info->codes->first_event; + } else { + return -1; + } +} + + +Bool XShmQueryVersion( + Display *dpy, + int *majorVersion, + int *minorVersion, + Bool *sharedPixmaps) +{ + XExtDisplayInfo *info = find_display (dpy); + xShmQueryVersionReply rep; + register xShmQueryVersionReq *req; + + ShmCheckExtension (dpy, info, False); + + LockDisplay(dpy); + GetReq(ShmQueryVersion, req); + req->reqType = info->codes->major_opcode; + req->shmReqType = X_ShmQueryVersion; + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + *majorVersion = rep.majorVersion; + *minorVersion = rep.minorVersion; + *sharedPixmaps = rep.sharedPixmaps ? True : False; + UnlockDisplay(dpy); + SyncHandle(); + return True; +} + + +int XShmPixmapFormat(Display *dpy) +{ + XExtDisplayInfo *info = find_display (dpy); + xShmQueryVersionReply rep; + register xShmQueryVersionReq *req; + + ShmCheckExtension (dpy, info, False); + + LockDisplay(dpy); + GetReq(ShmQueryVersion, req); + req->reqType = info->codes->major_opcode; + req->shmReqType = X_ShmQueryVersion; + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return 0; + } + UnlockDisplay(dpy); + SyncHandle(); + if (rep.sharedPixmaps && + (rep.majorVersion > 1 || rep.minorVersion > 0)) + return rep.pixmapFormat; + return 0; +} + + +Bool XShmAttach(Display *dpy, XShmSegmentInfo *shminfo) +{ + XExtDisplayInfo *info = find_display (dpy); + register xShmAttachReq *req; + + ShmCheckExtension (dpy, info, 0); + + LockDisplay(dpy); + GetReq(ShmAttach, req); + req->reqType = info->codes->major_opcode; + req->shmReqType = X_ShmAttach; + req->shmseg = shminfo->shmseg = XAllocID(dpy); + req->shmid = shminfo->shmid; + req->readOnly = shminfo->readOnly ? xTrue : xFalse; + UnlockDisplay(dpy); + SyncHandle(); + return 1; +} + + +Bool XShmDetach(Display *dpy, XShmSegmentInfo *shminfo) +{ + XExtDisplayInfo *info = find_display (dpy); + register xShmDetachReq *req; + + ShmCheckExtension (dpy, info, 0); + + LockDisplay(dpy); + GetReq(ShmDetach, req); + req->reqType = info->codes->major_opcode; + req->shmReqType = X_ShmDetach; + req->shmseg = shminfo->shmseg; + UnlockDisplay(dpy); + SyncHandle(); + return 1; +} + +static int _XShmDestroyImage (XImage *ximage) +{ + Xfree((char *)ximage); + return 1; +} + +#define ROUNDUP(nbytes, pad) ((((nbytes) + ((pad) - 1)) / (pad)) * (pad)) + +XImage *XShmCreateImage ( + register Display *dpy, + register Visual *visual, + unsigned int depth, + int format, + char *data, + XShmSegmentInfo *shminfo, + unsigned int width, + unsigned int height) +{ + register XImage *image; + + image = (XImage *)Xcalloc(1, (unsigned)sizeof(XImage)); + if (!image) + return image; + image->data = data; + image->obdata = (char *)shminfo; + image->width = width; + image->height = height; + image->depth = depth; + image->format = format; + image->byte_order = dpy->byte_order; + image->bitmap_unit = dpy->bitmap_unit; + image->bitmap_bit_order = dpy->bitmap_bit_order; + image->bitmap_pad = _XGetScanlinePad(dpy, depth); + image->xoffset = 0; + if (visual) { + image->red_mask = visual->red_mask; + image->green_mask = visual->green_mask; + image->blue_mask = visual->blue_mask; + } else { + image->red_mask = image->green_mask = image->blue_mask = 0; + } + if (format == ZPixmap) + image->bits_per_pixel = _XGetBitsPerPixel(dpy, (int)depth); + else + image->bits_per_pixel = 1; + image->bytes_per_line = ROUNDUP((image->bits_per_pixel * width), + image->bitmap_pad) >> 3; + _XInitImageFuncPtrs(image); + image->f.destroy_image = _XShmDestroyImage; + return image; +} + +Bool XShmPutImage ( + register Display *dpy, + Drawable d, + GC gc, + register XImage *image, + int src_x, int src_y, int dst_x, int dst_y, + unsigned int src_width, unsigned int src_height, + Bool send_event) +{ + XExtDisplayInfo *info = find_display (dpy); + XShmSegmentInfo *shminfo = (XShmSegmentInfo *)image->obdata; + register xShmPutImageReq *req; + + ShmCheckExtension (dpy, info, 0); + if (!shminfo) return 0; + + LockDisplay(dpy); + FlushGC(dpy, gc); + GetReq(ShmPutImage, req); + req->reqType = info->codes->major_opcode; + req->shmReqType = X_ShmPutImage; + req->drawable = d; + req->gc = gc->gid; + req->srcX = src_x; + req->srcY = src_y; + req->srcWidth = src_width; + req->srcHeight = src_height; + req->dstX = dst_x; + req->dstY = dst_y; + req->totalWidth = image->width; + req->totalHeight = image->height; + req->depth = image->depth; + req->format = image->format; + req->sendEvent = send_event; + req->shmseg = shminfo->shmseg; + req->offset = image->data - shminfo->shmaddr; + UnlockDisplay(dpy); + SyncHandle(); + return 1; +} + + +Bool XShmGetImage( + register Display *dpy, + Drawable d, + XImage *image, + int x, int y, + unsigned long plane_mask) +{ + XExtDisplayInfo *info = find_display (dpy); + XShmSegmentInfo *shminfo = (XShmSegmentInfo *)image->obdata; + register xShmGetImageReq *req; + xShmGetImageReply rep; + register Visual *visual; + + ShmCheckExtension (dpy, info, 0); + if (!shminfo) return 0; + + LockDisplay(dpy); + GetReq(ShmGetImage, req); + req->reqType = info->codes->major_opcode; + req->shmReqType = X_ShmGetImage; + req->drawable = d; + req->x = x; + req->y = y; + req->width = image->width; + req->height = image->height; + req->planeMask = plane_mask; + req->format = image->format; + req->shmseg = shminfo->shmseg; + req->offset = image->data - shminfo->shmaddr; + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return 0; + } + visual = _XVIDtoVisual(dpy, rep.visual); + if (visual) { + image->red_mask = visual->red_mask; + image->green_mask = visual->green_mask; + image->blue_mask = visual->blue_mask; + } else { + image->red_mask = image->green_mask = image->blue_mask = 0; + } + UnlockDisplay(dpy); + SyncHandle(); + return 1; +} + +Pixmap XShmCreatePixmap ( + register Display *dpy, + Drawable d, + char *data, + XShmSegmentInfo *shminfo, + unsigned int width, unsigned int height, unsigned int depth) +{ + XExtDisplayInfo *info = find_display (dpy); + Pixmap pid; + register xShmCreatePixmapReq *req; + + ShmCheckExtension (dpy, info, 0); + + LockDisplay(dpy); + GetReq(ShmCreatePixmap, req); + req->reqType = info->codes->major_opcode; + req->shmReqType = X_ShmCreatePixmap; + req->drawable = d; + req->width = width; + req->height = height; + req->depth = depth; + req->shmseg = shminfo->shmseg; + req->offset = data - shminfo->shmaddr; + pid = req->pid = XAllocID(dpy); + UnlockDisplay(dpy); + SyncHandle(); + return pid; +} diff --git a/libXext/src/Xge.c b/libXext/src/Xge.c index e029b42b9..d28a4f052 100644 --- a/libXext/src/Xge.c +++ b/libXext/src/Xge.c @@ -1,365 +1,365 @@ -/*
- * Copyright © 2007-2008 Peter Hutterer
- *
- * 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
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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: Peter Hutterer, University of South Australia, NICTA
- */
-
-/*
- * XGE is an extension to re-use a single opcode for multiple events,
- * depending on the extension. XGE allows events >32 bytes.
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <stdio.h>
-#include <X11/extensions/geproto.h>
-#include <X11/extensions/ge.h>
-#include <X11/Xlibint.h>
-#include <X11/extensions/extutil.h>
-#include <X11/extensions/Xge.h>
-
-/***********************************************************************/
-/* internal data structures */
-/***********************************************************************/
-
-typedef struct {
- int present;
- short major_version;
- short minor_version;
-} XGEVersionRec;
-
-/* NULL terminated list of registered extensions. */
-typedef struct _XGEExtNode {
- int extension;
- XExtensionHooks* hooks;
- struct _XGEExtNode* next;
-} XGEExtNode, *XGEExtList;
-
-/* Internal data for GE extension */
-typedef struct _XGEData {
- XEvent data;
- XGEVersionRec *vers;
- XGEExtList extensions;
-} XGEData;
-
-
-/* forward declarations */
-static XExtDisplayInfo* _xgeFindDisplay(Display*);
-static Bool _xgeWireToEvent(Display*, XEvent*, xEvent*);
-static Status _xgeEventToWire(Display*, XEvent*, xEvent*);
-static int _xgeDpyClose(Display*, XExtCodes*);
-static XGEVersionRec* _xgeGetExtensionVersion(Display*,
- _Xconst char*,
- XExtDisplayInfo*);
-static Bool _xgeCheckExtension(Display* dpy, XExtDisplayInfo* info);
-
-/* main extension information data */
-static XExtensionInfo *xge_info;
-static char xge_extension_name[] = GE_NAME;
-static XExtensionHooks xge_extension_hooks = {
- NULL, /* create_gc */
- NULL, /* copy_gc */
- NULL, /* flush_gc */
- NULL, /* free_gc */
- NULL, /* create_font */
- NULL, /* free_font */
- _xgeDpyClose, /* close_display */
- _xgeWireToEvent, /* wire_to_event */
- _xgeEventToWire, /* event_to_wire */
- NULL, /* error */
- NULL, /* error_string */
-};
-
-
-static XExtDisplayInfo *_xgeFindDisplay(Display *dpy)
-{
- XExtDisplayInfo *dpyinfo;
- if (!xge_info)
- {
- if (!(xge_info = XextCreateExtension()))
- return NULL;
- }
- if (!(dpyinfo = XextFindDisplay (xge_info, dpy)))
- {
- dpyinfo = XextAddDisplay (xge_info,
- dpy,
- xge_extension_name,
- &xge_extension_hooks,
- 0 /* no events, see below */,
- NULL);
- /* We don't use an extension opcode, so we have to set the handlers
- * directly. If GenericEvent would be > 64, the job would be done by
- * XExtAddDisplay */
- XESetWireToEvent (dpy,
- GenericEvent,
- xge_extension_hooks.wire_to_event);
- XESetEventToWire (dpy,
- GenericEvent,
- xge_extension_hooks.event_to_wire);
- }
- return dpyinfo;
-}
-
-/*
- * Check extension is set up and internal data fields are filled.
- */
-static Bool
-_xgeCheckExtInit(Display* dpy, XExtDisplayInfo* info)
-{
- LockDisplay(dpy);
- if(!_xgeCheckExtension(dpy, info))
- {
- goto cleanup;
- }
-
- if (!info->data)
- {
- XGEData* data = (XGEData*)Xmalloc(sizeof(XGEData));
- if (!data) {
- goto cleanup;
- }
- /* get version from server */
- data->vers =
- _xgeGetExtensionVersion(dpy, "Generic Event Extension", info);
- data->extensions = NULL;
- info->data = (XPointer)data;
- }
-
- UnlockDisplay(dpy);
- return True;
-
-cleanup:
- UnlockDisplay(dpy);
- return False;
-}
-
-/* Return 1 if XGE extension exists, 0 otherwise. */
-static Bool
-_xgeCheckExtension(Display* dpy, XExtDisplayInfo* info)
-{
- return XextHasExtension(info);
-}
-
-
-/* Retrieve XGE version number from server. */
-static XGEVersionRec*
-_xgeGetExtensionVersion(Display* dpy,
- _Xconst char* name,
- XExtDisplayInfo*info)
-{
- xGEQueryVersionReply rep;
- xGEQueryVersionReq *req;
- XGEVersionRec *vers;
-
- GetReq(GEQueryVersion, req);
- req->reqType = info->codes->major_opcode;
- req->ReqType = X_GEQueryVersion;
- req->majorVersion = GE_MAJOR;
- req->minorVersion = GE_MINOR;
-
- if (!_XReply (dpy, (xReply *) &rep, 0, xTrue))
- {
- Xfree(info);
- return NULL;
- }
-
- vers = (XGEVersionRec*)Xmalloc(sizeof(XGEVersionRec));
- vers->major_version = rep.majorVersion;
- vers->minor_version = rep.minorVersion;
- return vers;
-}
-
-/*
- * Display closing routine.
- */
-
-static int
-_xgeDpyClose(Display* dpy, XExtCodes* codes)
-{
- XExtDisplayInfo *info = _xgeFindDisplay(dpy);
-
- if (info->data != NULL) {
- XGEData* xge_data = (XGEData*)info->data;
-
- if (xge_data->extensions)
- {
- XGEExtList current, next;
- current = xge_data->extensions;
- while(current)
- {
- next = current->next;
- Xfree(current);
- current = next;
- }
- }
-
- XFree(xge_data->vers);
- XFree(xge_data);
- }
-
- return XextRemoveDisplay(xge_info, dpy);
-}
-
-/*
- * protocol to Xlib event conversion routine.
- */
-static Bool
-_xgeWireToEvent(Display* dpy, XEvent* re, xEvent *event)
-{
- int extension;
- XGEExtList it;
- XExtDisplayInfo* info = _xgeFindDisplay(dpy);
- if (!info)
- return False;
- /*
- _xgeCheckExtInit() calls LockDisplay, leading to a SIGABRT.
- Well, I guess we don't need the data we get in CheckExtInit anyway
- if (!_xgeCheckExtInit(dpy, info))
- return False;
- */
-
- extension = ((xGenericEvent*)event)->extension;
-
- it = ((XGEData*)info->data)->extensions;
- while(it)
- {
- if (it->extension == extension)
- {
- return (it->hooks->wire_to_event(dpy, re, event));
- }
- it = it->next;
- }
-
- fprintf(stderr,
- "_xgeWireToEvent: Unknown extension %d, this should never happen.\n",
- extension);
- return False;
-}
-
-/*
- * xlib event to protocol conversion routine.
- */
-static Status
-_xgeEventToWire(Display* dpy, XEvent* re, xEvent* event)
-{
- int extension;
- XGEExtList it;
- XExtDisplayInfo* info = _xgeFindDisplay(dpy);
- if (!info)
- return 1; /* error! */
-
- extension = ((XGenericEvent*)re)->extension;
-
- it = ((XGEData*)info->data)->extensions;
- while(it)
- {
- if (it->extension == extension)
- {
- return (it->hooks->event_to_wire(dpy, re, event));
- }
- it = it->next;
- }
-
- fprintf(stderr,
- "_xgeEventToWire: Unknown extension %d, this should never happen.\n",
- extension);
-
- return Success;
-}
-
-/*
- * Extensions need to register callbacks for their events.
- */
-Bool
-_X_HIDDEN xgeExtRegister(Display* dpy, int offset, XExtensionHooks* callbacks)
-{
- XGEExtNode* newExt;
- XGEData* xge_data;
-
- XExtDisplayInfo* info = _xgeFindDisplay(dpy);
- if (!info)
- return False; /* error! */
-
- if (!_xgeCheckExtInit(dpy, info))
- return False;
-
- xge_data = (XGEData*)info->data;
-
- newExt = (XGEExtNode*)Xmalloc(sizeof(XGEExtNode));
- if (!newExt)
- {
- fprintf(stderr, "xgeExtRegister: Failed to alloc memory.\n");
- return False;
- }
-
- newExt->extension = offset;
- newExt->hooks = callbacks;
- newExt->next = xge_data->extensions;
- xge_data->extensions = newExt;
-
- return True;
-}
-
-/***********************************************************************/
-/* Client interfaces */
-/***********************************************************************/
-
-/* Set event_base and error_base to the matching values for XGE.
- * Note that since XGE doesn't use any errors and events, the actual return
- * value is of limited use.
- */
-Bool
-XGEQueryExtension(Display* dpy, int* event_base, int* error_base)
-{
- XExtDisplayInfo* info = _xgeFindDisplay(dpy);
- if (!_xgeCheckExtInit(dpy, info))
- return False;
-
- *event_base = info->codes->first_event;
- *error_base = info->codes->first_error;
- return True;
-}
-
-/* Get XGE version number.
- * Doesn't actually get it from server, that should have been done beforehand
- * already
- */
-Bool
-XGEQueryVersion(Display* dpy,
- int *major_version,
- int *minor_version)
-{
- XExtDisplayInfo* info = _xgeFindDisplay(dpy);
- if (!info)
- return False;
-
- if (!_xgeCheckExtInit(dpy, info))
- return False;
-
- *major_version = ((XGEData*)info->data)->vers->major_version;
- *minor_version = ((XGEData*)info->data)->vers->minor_version;
-
- return True;
-}
-
+/* + * Copyright © 2007-2008 Peter Hutterer + * + * 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 + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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: Peter Hutterer, University of South Australia, NICTA + */ + +/* + * XGE is an extension to re-use a single opcode for multiple events, + * depending on the extension. XGE allows events >32 bytes. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <X11/extensions/geproto.h> +#include <X11/extensions/ge.h> +#include <X11/Xlibint.h> +#include <X11/extensions/extutil.h> +#include <X11/extensions/Xge.h> + +/***********************************************************************/ +/* internal data structures */ +/***********************************************************************/ + +typedef struct { + int present; + short major_version; + short minor_version; +} XGEVersionRec; + +/* NULL terminated list of registered extensions. */ +typedef struct _XGEExtNode { + int extension; + XExtensionHooks* hooks; + struct _XGEExtNode* next; +} XGEExtNode, *XGEExtList; + +/* Internal data for GE extension */ +typedef struct _XGEData { + XEvent data; + XGEVersionRec *vers; + XGEExtList extensions; +} XGEData; + + +/* forward declarations */ +static XExtDisplayInfo* _xgeFindDisplay(Display*); +static Bool _xgeWireToEvent(Display*, XEvent*, xEvent*); +static Status _xgeEventToWire(Display*, XEvent*, xEvent*); +static int _xgeDpyClose(Display*, XExtCodes*); +static XGEVersionRec* _xgeGetExtensionVersion(Display*, + _Xconst char*, + XExtDisplayInfo*); +static Bool _xgeCheckExtension(Display* dpy, XExtDisplayInfo* info); + +/* main extension information data */ +static XExtensionInfo *xge_info; +static char xge_extension_name[] = GE_NAME; +static XExtensionHooks xge_extension_hooks = { + NULL, /* create_gc */ + NULL, /* copy_gc */ + NULL, /* flush_gc */ + NULL, /* free_gc */ + NULL, /* create_font */ + NULL, /* free_font */ + _xgeDpyClose, /* close_display */ + _xgeWireToEvent, /* wire_to_event */ + _xgeEventToWire, /* event_to_wire */ + NULL, /* error */ + NULL, /* error_string */ +}; + + +static XExtDisplayInfo *_xgeFindDisplay(Display *dpy) +{ + XExtDisplayInfo *dpyinfo; + if (!xge_info) + { + if (!(xge_info = XextCreateExtension())) + return NULL; + } + if (!(dpyinfo = XextFindDisplay (xge_info, dpy))) + { + dpyinfo = XextAddDisplay (xge_info, + dpy, + xge_extension_name, + &xge_extension_hooks, + 0 /* no events, see below */, + NULL); + /* We don't use an extension opcode, so we have to set the handlers + * directly. If GenericEvent would be > 64, the job would be done by + * XExtAddDisplay */ + XESetWireToEvent (dpy, + GenericEvent, + xge_extension_hooks.wire_to_event); + XESetEventToWire (dpy, + GenericEvent, + xge_extension_hooks.event_to_wire); + } + return dpyinfo; +} + +/* + * Check extension is set up and internal data fields are filled. + */ +static Bool +_xgeCheckExtInit(Display* dpy, XExtDisplayInfo* info) +{ + LockDisplay(dpy); + if(!_xgeCheckExtension(dpy, info)) + { + goto cleanup; + } + + if (!info->data) + { + XGEData* data = (XGEData*)Xmalloc(sizeof(XGEData)); + if (!data) { + goto cleanup; + } + /* get version from server */ + data->vers = + _xgeGetExtensionVersion(dpy, "Generic Event Extension", info); + data->extensions = NULL; + info->data = (XPointer)data; + } + + UnlockDisplay(dpy); + return True; + +cleanup: + UnlockDisplay(dpy); + return False; +} + +/* Return 1 if XGE extension exists, 0 otherwise. */ +static Bool +_xgeCheckExtension(Display* dpy, XExtDisplayInfo* info) +{ + return XextHasExtension(info); +} + + +/* Retrieve XGE version number from server. */ +static XGEVersionRec* +_xgeGetExtensionVersion(Display* dpy, + _Xconst char* name, + XExtDisplayInfo*info) +{ + xGEQueryVersionReply rep; + xGEQueryVersionReq *req; + XGEVersionRec *vers; + + GetReq(GEQueryVersion, req); + req->reqType = info->codes->major_opcode; + req->ReqType = X_GEQueryVersion; + req->majorVersion = GE_MAJOR; + req->minorVersion = GE_MINOR; + + if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) + { + Xfree(info); + return NULL; + } + + vers = (XGEVersionRec*)Xmalloc(sizeof(XGEVersionRec)); + vers->major_version = rep.majorVersion; + vers->minor_version = rep.minorVersion; + return vers; +} + +/* + * Display closing routine. + */ + +static int +_xgeDpyClose(Display* dpy, XExtCodes* codes) +{ + XExtDisplayInfo *info = _xgeFindDisplay(dpy); + + if (info->data != NULL) { + XGEData* xge_data = (XGEData*)info->data; + + if (xge_data->extensions) + { + XGEExtList current, next; + current = xge_data->extensions; + while(current) + { + next = current->next; + Xfree(current); + current = next; + } + } + + XFree(xge_data->vers); + XFree(xge_data); + } + + return XextRemoveDisplay(xge_info, dpy); +} + +/* + * protocol to Xlib event conversion routine. + */ +static Bool +_xgeWireToEvent(Display* dpy, XEvent* re, xEvent *event) +{ + int extension; + XGEExtList it; + XExtDisplayInfo* info = _xgeFindDisplay(dpy); + if (!info) + return False; + /* + _xgeCheckExtInit() calls LockDisplay, leading to a SIGABRT. + Well, I guess we don't need the data we get in CheckExtInit anyway + if (!_xgeCheckExtInit(dpy, info)) + return False; + */ + + extension = ((xGenericEvent*)event)->extension; + + it = ((XGEData*)info->data)->extensions; + while(it) + { + if (it->extension == extension) + { + return (it->hooks->wire_to_event(dpy, re, event)); + } + it = it->next; + } + + fprintf(stderr, + "_xgeWireToEvent: Unknown extension %d, this should never happen.\n", + extension); + return False; +} + +/* + * xlib event to protocol conversion routine. + */ +static Status +_xgeEventToWire(Display* dpy, XEvent* re, xEvent* event) +{ + int extension; + XGEExtList it; + XExtDisplayInfo* info = _xgeFindDisplay(dpy); + if (!info) + return 1; /* error! */ + + extension = ((XGenericEvent*)re)->extension; + + it = ((XGEData*)info->data)->extensions; + while(it) + { + if (it->extension == extension) + { + return (it->hooks->event_to_wire(dpy, re, event)); + } + it = it->next; + } + + fprintf(stderr, + "_xgeEventToWire: Unknown extension %d, this should never happen.\n", + extension); + + return Success; +} + +/* + * Extensions need to register callbacks for their events. + */ +Bool +_X_HIDDEN xgeExtRegister(Display* dpy, int offset, XExtensionHooks* callbacks) +{ + XGEExtNode* newExt; + XGEData* xge_data; + + XExtDisplayInfo* info = _xgeFindDisplay(dpy); + if (!info) + return False; /* error! */ + + if (!_xgeCheckExtInit(dpy, info)) + return False; + + xge_data = (XGEData*)info->data; + + newExt = (XGEExtNode*)Xmalloc(sizeof(XGEExtNode)); + if (!newExt) + { + fprintf(stderr, "xgeExtRegister: Failed to alloc memory.\n"); + return False; + } + + newExt->extension = offset; + newExt->hooks = callbacks; + newExt->next = xge_data->extensions; + xge_data->extensions = newExt; + + return True; +} + +/***********************************************************************/ +/* Client interfaces */ +/***********************************************************************/ + +/* Set event_base and error_base to the matching values for XGE. + * Note that since XGE doesn't use any errors and events, the actual return + * value is of limited use. + */ +Bool +XGEQueryExtension(Display* dpy, int* event_base, int* error_base) +{ + XExtDisplayInfo* info = _xgeFindDisplay(dpy); + if (!_xgeCheckExtInit(dpy, info)) + return False; + + *event_base = info->codes->first_event; + *error_base = info->codes->first_error; + return True; +} + +/* Get XGE version number. + * Doesn't actually get it from server, that should have been done beforehand + * already + */ +Bool +XGEQueryVersion(Display* dpy, + int *major_version, + int *minor_version) +{ + XExtDisplayInfo* info = _xgeFindDisplay(dpy); + if (!info) + return False; + + if (!_xgeCheckExtInit(dpy, info)) + return False; + + *major_version = ((XGEData*)info->data)->vers->major_version; + *minor_version = ((XGEData*)info->data)->vers->minor_version; + + return True; +} + |