Bool XF86DGAViewPortChanged(
Display *dpy,
int screen,
int n
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXF86DGAViewPortChangedReply rep;
xXF86DGAViewPortChangedReq *req;
XF86DGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XF86DGAViewPortChanged, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XF86DGAViewPortChanged;
req->screen = screen;
req->n = n;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
UnlockDisplay(dpy);
SyncHandle();
return rep.result;
}
void XDGAFillRectangle(
Display *dpy,
int screen,
int x,
int y,
unsigned int width,
unsigned int height,
unsigned long color
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGAFillRectangleReq *req;
XextSimpleCheckExtension (dpy, info, xdga_extension_name);
LockDisplay(dpy);
GetReq(XDGAFillRectangle, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGAFillRectangle;
req->screen = screen;
req->x = x;
req->y = y;
req->width = width;
req->height = height;
req->color = color;
UnlockDisplay(dpy);
SyncHandle();
}
Bool XF86DGAGetVideoLL(
Display* dpy,
int screen,
unsigned int *offset,
int *width,
int *bank_size,
int *ram_size
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXF86DGAGetVideoLLReply rep;
xXF86DGAGetVideoLLReq *req;
XF86DGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XF86DGAGetVideoLL, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XF86DGAGetVideoLL;
req->screen = screen;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*offset = rep.offset;
*width = rep.width;
*bank_size = rep.bank_size;
*ram_size = rep.ram_size;
UnlockDisplay(dpy);
SyncHandle();
return True;
}
void XDGACopyTransparentArea(
Display *dpy,
int screen,
int srcx,
int srcy,
unsigned int width,
unsigned int height,
int dstx,
int dsty,
unsigned long key
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGACopyTransparentAreaReq *req;
XextSimpleCheckExtension (dpy, info, xdga_extension_name);
LockDisplay(dpy);
GetReq(XDGACopyTransparentArea, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGACopyTransparentArea;
req->screen = screen;
req->srcx = srcx;
req->srcy = srcy;
req->width = width;
req->height = height;
req->dstx = dstx;
req->dsty = dsty;
req->key = key;
UnlockDisplay(dpy);
SyncHandle();
}
Bool XF86DGAQueryDirectVideo(
Display *dpy,
int screen,
int *flags
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXF86DGAQueryDirectVideoReply rep;
xXF86DGAQueryDirectVideoReq *req;
XF86DGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XF86DGAQueryDirectVideo, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XF86DGAQueryDirectVideo;
req->screen = screen;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*flags = rep.flags;
UnlockDisplay(dpy);
SyncHandle();
return True;
}
void XDGAChangePixmapMode(
Display *dpy,
int screen,
int *x,
int *y,
int mode
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGAChangePixmapModeReq *req;
xXDGAChangePixmapModeReply rep;
XextSimpleCheckExtension (dpy, info, xdga_extension_name);
LockDisplay(dpy);
GetReq(XDGAChangePixmapMode, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGAChangePixmapMode;
req->screen = screen;
req->x = *x;
req->y = *y;
req->flags = mode;
_XReply(dpy, (xReply *)&rep, 0, xFalse);
*x = rep.x;
*y = rep.y;
UnlockDisplay(dpy);
SyncHandle();
}
Bool XF86DGAGetVidPage(
Display* dpy,
int screen,
int *vpage
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXF86DGAGetVidPageReply rep;
xXF86DGAGetVidPageReq *req;
XF86DGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XF86DGAGetVidPage, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XF86DGAGetVidPage;
req->screen = screen;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*vpage = rep.vpage;
UnlockDisplay(dpy);
SyncHandle();
return True;
}
Colormap XDGACreateColormap(
Display *dpy,
int screen,
XDGADevice *dev,
int alloc
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGACreateColormapReq *req;
Colormap cid;
XDGACheckExtension (dpy, info, -1);
LockDisplay(dpy);
GetReq(XDGACreateColormap, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGACreateColormap;
req->screen = screen;
req->mode = dev->mode.num;
req->alloc = alloc;
cid = req->id = XAllocID(dpy);
UnlockDisplay(dpy);
SyncHandle();
return cid;
}
Bool XF86DGAGetViewPortSize(
Display* dpy,
int screen,
int *width,
int *height
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXF86DGAGetViewPortSizeReply rep;
xXF86DGAGetViewPortSizeReq *req;
XF86DGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XF86DGAGetViewPortSize, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XF86DGAGetViewPortSize;
req->screen = screen;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*width = rep.width;
*height = rep.height;
UnlockDisplay(dpy);
SyncHandle();
return True;
}
static Bool
xdga_wire_to_event(
Display *dpy,
XEvent *event,
xEvent *wire_ev
){
dgaEvent *wire = (dgaEvent *) wire_ev;
XDGAButtonEvent *bevent;
XDGAKeyEvent *kevent;
XDGAMotionEvent *mevent;
XExtDisplayInfo *info = xdga_find_display (dpy);
XDGACheckExtension (dpy, info, False);
switch((wire->u.u.type & 0x7f) - info->codes->first_event) {
case MotionNotify:
mevent = (XDGAMotionEvent*)event;
mevent->type = wire->u.u.type & 0x7F;
mevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *)wire);
mevent->display = dpy;
mevent->screen = wire->u.event.screen;
mevent->time = wire->u.event.time;
mevent->state = wire->u.event.state;
mevent->dx = wire->u.event.dx;
mevent->dy = wire->u.event.dy;
return True;
case ButtonPress:
case ButtonRelease:
bevent = (XDGAButtonEvent*)event;
bevent->type = wire->u.u.type & 0x7F;
bevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *)wire);
bevent->display = dpy;
bevent->screen = wire->u.event.screen;
bevent->time = wire->u.event.time;
bevent->state = wire->u.event.state;
bevent->button = wire->u.u.detail;
return True;
case KeyPress:
case KeyRelease:
kevent = (XDGAKeyEvent*)event;
kevent->type = wire->u.u.type & 0x7F;
kevent->serial = _XSetLastRequestRead(dpy, (xGenericReply *)wire);
kevent->display = dpy;
kevent->screen = wire->u.event.screen;
kevent->time = wire->u.event.time;
kevent->state = wire->u.event.state;
kevent->keycode = wire->u.u.detail;
return True;
}
return False;
}
Bool XDGAQueryExtension (
Display *dpy,
int *event_basep,
int *error_basep
){
XExtDisplayInfo *info = xdga_find_display (dpy);
if (XextHasExtension(info)) {
*event_basep = info->codes->first_event;
*error_basep = info->codes->first_error;
return True;
} else {
return False;
}
}
Bool XDGASetClientVersion(
Display *dpy
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGASetClientVersionReq *req;
XDGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XDGASetClientVersion, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGASetClientVersion;
req->major = XDGA_MAJOR_VERSION;
req->minor = XDGA_MINOR_VERSION;
UnlockDisplay(dpy);
SyncHandle();
return True;
}
void XDGACloseFramebuffer(
Display *dpy,
int screen
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGACloseFramebufferReq *req;
XextSimpleCheckExtension (dpy, info, xdga_extension_name);
XDGAUnmapFramebuffer(screen);
LockDisplay(dpy);
GetReq(XDGACloseFramebuffer, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGACloseFramebuffer;
req->screen = screen;
UnlockDisplay(dpy);
SyncHandle();
}
void XDGASync(
Display *dpy,
int screen
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGASyncReply rep;
xXDGASyncReq *req;
XextSimpleCheckExtension (dpy, info, xdga_extension_name);
LockDisplay(dpy);
GetReq(XDGASync, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGASync;
req->screen = screen;
_XReply(dpy, (xReply *)&rep, 0, xFalse);
UnlockDisplay(dpy);
SyncHandle();
}
void XDGASelectInput(
Display *dpy,
int screen,
long mask
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGASelectInputReq *req;
XextSimpleCheckExtension (dpy, info, xdga_extension_name);
LockDisplay(dpy);
GetReq(XDGASelectInput, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGASelectInput;
req->screen = screen;
req->mask = mask;
UnlockDisplay(dpy);
SyncHandle();
}
void XDGAInstallColormap(
Display *dpy,
int screen,
Colormap cmap
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGAInstallColormapReq *req;
XextSimpleCheckExtension (dpy, info, xdga_extension_name);
LockDisplay(dpy);
GetReq(XDGAInstallColormap, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGAInstallColormap;
req->screen = screen;
req->cmap = cmap;
UnlockDisplay(dpy);
SyncHandle();
}
Bool XF86DGADirectVideoLL(
Display* dpy,
int screen,
int enable
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXF86DGADirectVideoReq *req;
XF86DGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XF86DGADirectVideo, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XF86DGADirectVideo;
req->screen = screen;
req->enable = enable;
UnlockDisplay(dpy);
SyncHandle();
XSync(dpy,False);
return True;
}
Bool XF86DGASetVidPage(
Display* dpy,
int screen,
int vpage
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXF86DGASetVidPageReq *req;
XF86DGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XF86DGASetVidPage, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XF86DGASetVidPage;
req->screen = screen;
req->vpage = vpage;
UnlockDisplay(dpy);
SyncHandle();
XSync(dpy,False);
return True;
}
Bool XF86DGAInstallColormap(
Display* dpy,
int screen,
Colormap cmap
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXF86DGAInstallColormapReq *req;
XF86DGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XF86DGAInstallColormap, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XF86DGAInstallColormap;
req->screen = screen;
req->id = cmap;
UnlockDisplay(dpy);
SyncHandle();
XSync(dpy,False);
return True;
}
int XDGAGetViewportStatus(
Display *dpy,
int screen
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGAGetViewportStatusReply rep;
xXDGAGetViewportStatusReq *req;
int status = 0;
XDGACheckExtension (dpy, info, 0);
LockDisplay(dpy);
GetReq(XDGAGetViewportStatus, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGAGetViewportStatus;
req->screen = screen;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse))
status = rep.status;
UnlockDisplay(dpy);
SyncHandle();
return status;
}
Bool XDGAQueryVersion(
Display *dpy,
int *majorVersion,
int *minorVersion
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGAQueryVersionReply rep;
xXDGAQueryVersionReq *req;
XDGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XDGAQueryVersion, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGAQueryVersion;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
*majorVersion = rep.majorVersion;
*minorVersion = rep.minorVersion;
UnlockDisplay(dpy);
SyncHandle();
if (*majorVersion >= 2)
{
int i, j;
for (i = 0, j = info->codes->first_event;
i < XF86DGANumberEvents;
i++, j++)
{
XESetWireToEvent (dpy, j, xdga_wire_to_event);
XESetEventToWire (dpy, j, xdga_event_to_wire);
}
XDGASetClientVersion(dpy);
}
return True;
}
Bool XDGAOpenFramebuffer(
Display *dpy,
int screen
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGAOpenFramebufferReply rep;
xXDGAOpenFramebufferReq *req;
char *deviceName = NULL;
Bool ret;
XDGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XDGAOpenFramebuffer, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGAOpenFramebuffer;
req->screen = screen;
if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
UnlockDisplay(dpy);
SyncHandle();
return False;
}
if(rep.length) {
deviceName = Xmalloc(rep.length << 2);
_XRead(dpy, deviceName, rep.length << 2);
}
ret = XDGAMapFramebuffer(screen, deviceName,
(unsigned char*)(long)rep.mem1,
rep.size, rep.offset, rep.extra);
if(deviceName)
Xfree(deviceName);
UnlockDisplay(dpy);
SyncHandle();
return ret;
}
Bool XF86DGASetViewPort(
Display* dpy,
int screen,
int x,
int y
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXF86DGASetViewPortReq *req;
XF86DGACheckExtension (dpy, info, False);
LockDisplay(dpy);
GetReq(XF86DGASetViewPort, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XF86DGASetViewPort;
req->screen = screen;
req->x = x;
req->y = y;
UnlockDisplay(dpy);
SyncHandle();
XSync(dpy,False);
return True;
}
void XDGASetViewport(
Display *dpy,
int screen,
int x,
int y,
int flags
){
XExtDisplayInfo *info = xdga_find_display (dpy);
xXDGASetViewportReq *req;
XextSimpleCheckExtension (dpy, info, xdga_extension_name);
LockDisplay(dpy);
GetReq(XDGASetViewport, req);
req->reqType = info->codes->major_opcode;
req->dgaReqType = X_XDGASetViewport;
req->screen = screen;
req->x = x;
req->y = y;
req->flags = flags;
UnlockDisplay(dpy);
SyncHandle();
}
XDGADevice *
XDGASetMode(
Display *dpy,
int screen,
int mode
){
XExtDisplayInfo *dinfo = xdga_find_display (dpy);
xXDGASetModeReply rep;
xXDGASetModeReq *req;
XDGADevice *dev = NULL;
Pixmap pid;
XDGACheckExtension (dpy, dinfo, NULL);
LockDisplay(dpy);
GetReq(XDGASetMode, req);
req->reqType = dinfo->codes->major_opcode;
req->dgaReqType = X_XDGASetMode;
req->screen = screen;
req->mode = mode;
req->pid = pid = XAllocID(dpy);
if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
if(rep.length) {
xXDGAModeInfo info;
int size;
size = rep.length << 2;
size -= sz_xXDGAModeInfo; /* get text size */
dev = (XDGADevice*)Xmalloc(sizeof(XDGADevice) + size);
if(dev) {
_XRead(dpy, (char*)(&info), sz_xXDGAModeInfo);
dev->mode.num = info.num;
dev->mode.verticalRefresh =
(float)info.vsync_num / (float)info.vsync_den;
dev->mode.flags = info.flags;
dev->mode.imageWidth = info.image_width;
dev->mode.imageHeight = info.image_height;
dev->mode.pixmapWidth = info.pixmap_width;
dev->mode.pixmapHeight = info.pixmap_height;
dev->mode.bytesPerScanline = info.bytes_per_scanline;
dev->mode.byteOrder = info.byte_order;
dev->mode.depth = info.depth;
dev->mode.bitsPerPixel = info.bpp;
dev->mode.redMask = info.red_mask;
dev->mode.greenMask = info.green_mask;
dev->mode.blueMask = info.blue_mask;
dev->mode.visualClass = info.visual_class;
dev->mode.viewportWidth = info.viewport_width;
dev->mode.viewportHeight = info.viewport_height;
dev->mode.xViewportStep = info.viewport_xstep;
dev->mode.yViewportStep = info.viewport_ystep;
dev->mode.maxViewportX = info.viewport_xmax;
dev->mode.maxViewportY = info.viewport_ymax;
dev->mode.viewportFlags = info.viewport_flags;
dev->mode.reserved1 = info.reserved1;
dev->mode.reserved2 = info.reserved2;
dev->mode.name = (char*)(&dev[1]);
_XRead(dpy, dev->mode.name, info.name_size);
dev->pixmap = (rep.flags & XDGAPixmap) ? pid : 0;
dev->data = XDGAGetMappedMemory(screen);
if(dev->data)
dev->data += rep.offset;
}
/* not sure what to do if the allocation fails */
}
}
UnlockDisplay(dpy);
SyncHandle();
return dev;
}
XDGAMode* XDGAQueryModes(
Display *dpy,
int screen,
int *num
){
XExtDisplayInfo *dinfo = xdga_find_display (dpy);
xXDGAQueryModesReply rep;
xXDGAQueryModesReq *req;
XDGAMode *modes = NULL;
*num = 0;
XDGACheckExtension (dpy, dinfo, NULL);
LockDisplay(dpy);
GetReq(XDGAQueryModes, req);
req->reqType = dinfo->codes->major_opcode;
req->dgaReqType = X_XDGAQueryModes;
req->screen = screen;
if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
if(rep.length) {
xXDGAModeInfo info;
int i, size;
char *offset;
size = rep.length << 2;
size -= rep.number * sz_xXDGAModeInfo; /* find text size */
modes = (XDGAMode*)Xmalloc((rep.number * sizeof(XDGAMode)) + size);
offset = (char*)(&modes[rep.number]); /* start of text */
if(modes) {
for(i = 0; i < rep.number; i++) {
_XRead(dpy, (char*)(&info), sz_xXDGAModeInfo);
modes[i].num = info.num;
modes[i].verticalRefresh =
(float)info.vsync_num / (float)info.vsync_den;
modes[i].flags = info.flags;
modes[i].imageWidth = info.image_width;
modes[i].imageHeight = info.image_height;
modes[i].pixmapWidth = info.pixmap_width;
modes[i].pixmapHeight = info.pixmap_height;
modes[i].bytesPerScanline = info.bytes_per_scanline;
modes[i].byteOrder = info.byte_order;
modes[i].depth = info.depth;
modes[i].bitsPerPixel = info.bpp;
modes[i].redMask = info.red_mask;
modes[i].greenMask = info.green_mask;
modes[i].blueMask = info.blue_mask;
modes[i].visualClass = info.visual_class;
modes[i].viewportWidth = info.viewport_width;
modes[i].viewportHeight = info.viewport_height;
modes[i].xViewportStep = info.viewport_xstep;
modes[i].yViewportStep = info.viewport_ystep;
modes[i].maxViewportX = info.viewport_xmax;
modes[i].maxViewportY = info.viewport_ymax;
modes[i].viewportFlags = info.viewport_flags;
modes[i].reserved1 = info.reserved1;
modes[i].reserved2 = info.reserved2;
_XRead(dpy, offset, info.name_size);
modes[i].name = offset;
offset += info.name_size;
}
*num = rep.number;
} else
_XEatData(dpy, rep.length << 2);
}
}
UnlockDisplay(dpy);
SyncHandle();
return modes;
}
