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Change RandR property datatype to include pending/valid values.

Browse source 
This patch tracks the protocol changes which introduce more complex
semantics for RandR output properties including pending and valid value
information.
This commit is contained in:
Keith Packard 2006-11-21 01:15:26 -08:00
parent 2953ef0c04
commit af55c65bea
5 changed files with 384 additions and 124 deletions
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9
randr/mirandr.c
View file

@ -64,10 +64,11 @@ miRRCrtcSetGamma (ScreenPtr pScreen,
return TRUE;
}
static Bool
miRROutputSetProperty (ScreenPtr pScreen,
RROutputPtr output,
Atom property)
Bool
miRROutputSetProperty (ScreenPtr pScreen,
RROutputPtr output,
Atom property,
RRPropertyValuePtr value)
{
return TRUE;
}

57
randr/randrstr.h
View file

@ -69,9 +69,11 @@ extern int (*SProcRandrVector[RRNumberRequests])(ClientPtr);
*/
#define RRModeName(pMode) ((char *) (pMode + 1))
typedef struct _rrMode RRModeRec, *RRModePtr;
typedef struct _rrCrtc RRCrtcRec, *RRCrtcPtr;
typedef struct _rrOutput RROutputRec, *RROutputPtr;
typedef struct _rrMode RRModeRec, *RRModePtr;
typedef struct _rrPropertyValue RRPropertyValueRec, *RRPropertyValuePtr;
typedef struct _rrProperty RRPropertyRec, *RRPropertyPtr;
typedef struct _rrCrtc RRCrtcRec, *RRCrtcPtr;
typedef struct _rrOutput RROutputRec, *RROutputPtr;
struct _rrMode {
int refcnt;
@ -81,6 +83,24 @@ struct _rrMode {
Bool userDefined;
};
struct _rrPropertyValue {
Atom type; /* ignored by server */
short format; /* format of data for swapping - 8,16,32 */
long size; /* size of data in (format/8) bytes */
pointer data; /* private to client */
};
struct _rrProperty {
RRPropertyPtr next;
ATOM propertyName;
Bool is_pending;
Bool range;
Bool immutable;
int num_valid;
INT32 *valid_values;
RRPropertyValueRec current, pending;
};
struct _rrCrtc {
RRCrtc id;
ScreenPtr pScreen;
@ -116,7 +136,7 @@ struct _rrOutput {
int numPreferred;
RRModePtr *modes;
Bool changed;
PropertyPtr properties;
RRPropertyPtr properties;
void *devPrivate;
};
@ -139,9 +159,10 @@ typedef Bool (*RRCrtcSetProcPtr) (ScreenPtr pScreen,
typedef Bool (*RRCrtcSetGammaProcPtr) (ScreenPtr pScreen,
RRCrtcPtr crtc);
typedef Bool (*RROutputSetPropertyProcPtr) (ScreenPtr pScreen,
RROutputPtr output,
Atom property);
typedef Bool (*RROutputSetPropertyProcPtr) (ScreenPtr pScreen,
RROutputPtr output,
Atom property,
RRPropertyValuePtr value);
#endif
@ -363,6 +384,12 @@ miRRCrtcSet (ScreenPtr pScreen,
int numOutput,
RROutputPtr *outputs);
Bool
miRROutputSetProperty (ScreenPtr pScreen,
RROutputPtr output,
Atom property,
RRPropertyValuePtr value);
/* randr.c */
/*
* Send all pending events
@ -676,6 +703,12 @@ RRPointerScreenConfigured (ScreenPtr pScreen);
void
RRDeleteAllOutputProperties (RROutputPtr output);
RRPropertyValuePtr
RRGetOutputProperty (RROutputPtr output, Atom property, Bool pending);
RRPropertyPtr
RRQueryOutputProperty (RROutputPtr output, Atom property);
void
RRDeleteOutputProperty (RROutputPtr output, Atom property);
@ -685,6 +718,10 @@ RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
pointer value, Bool sendevent);
int
RRConfigureOutputProperty (RROutputPtr output, Atom property,
Bool pending, Bool range, Bool immutable,
int num_values, INT32 *values);
int
ProcRRChangeOutputProperty (ClientPtr client);
int
@ -693,6 +730,12 @@ ProcRRGetOutputProperty (ClientPtr client);
int
ProcRRListOutputProperties (ClientPtr client);
int
ProcRRQueryOutputProperty (ClientPtr client);
int
ProcRRConfigureOutputProperty (ClientPtr client);
int
ProcRRDeleteOutputProperty (ClientPtr client);

26
randr/rrdispatch.c
View file

@ -192,17 +192,19 @@ int (*ProcRandrVector[RRNumberRequests])(ClientPtr) = {
ProcRRGetScreenResources, /* 8 */
ProcRRGetOutputInfo, /* 9 */
ProcRRListOutputProperties, /* 10 */
ProcRRChangeOutputProperty, /* 11 */
ProcRRDeleteOutputProperty, /* 12 */
ProcRRGetOutputProperty, /* 13 */
ProcRRCreateMode, /* 14 */
ProcRRDestroyMode, /* 15 */
ProcRRAddOutputMode, /* 16 */
ProcRRDeleteOutputMode, /* 17 */
ProcRRGetCrtcInfo, /* 18 */
ProcRRSetCrtcConfig, /* 19 */
ProcRRGetCrtcGammaSize, /* 20 */
ProcRRGetCrtcGamma, /* 21 */
ProcRRSetCrtcGamma, /* 22 */
ProcRRQueryOutputProperty, /* 11 */
ProcRRConfigureOutputProperty, /* 12 */
ProcRRChangeOutputProperty, /* 13 */
ProcRRDeleteOutputProperty, /* 14 */
ProcRRGetOutputProperty, /* 15 */
ProcRRCreateMode, /* 16 */
ProcRRDestroyMode, /* 17 */
ProcRRAddOutputMode, /* 18 */
ProcRRDeleteOutputMode, /* 19 */
ProcRRGetCrtcInfo, /* 20 */
ProcRRSetCrtcConfig, /* 21 */
ProcRRGetCrtcGammaSize, /* 22 */
ProcRRGetCrtcGamma, /* 23 */
ProcRRSetCrtcGamma, /* 24 */
};

370
randr/rrproperty.c
View file

@ -33,7 +33,7 @@ RRDeliverEvent (ScreenPtr pScreen, xEvent *event, CARD32 mask)
void
RRDeleteAllOutputProperties (RROutputPtr output)
{
PropertyPtr prop, next;
RRPropertyPtr prop, next;
xRROutputPropertyNotifyEvent event;
for (prop = output->properties; prop; prop = next)
@ -46,15 +46,58 @@ RRDeleteAllOutputProperties (RROutputPtr output)
event.atom = prop->propertyName;
event.timestamp = currentTime.milliseconds;
RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
xfree(prop->data);
if (prop->current.data)
xfree(prop->current.data);
if (prop->pending.data)
xfree(prop->pending.data);
xfree(prop);
}
}
static void
RRInitOutputPropertyValue (RRPropertyValuePtr property_value)
{
property_value->type = None;
property_value->format = 0;
property_value->size = 0;
property_value->data = NULL;
}
static RRPropertyPtr
RRCreateOutputProperty (Atom property)
{
RRPropertyPtr prop;
prop = (RRPropertyPtr)xalloc(sizeof(PropertyRec));
if (!prop)
return NULL;
prop->propertyName = property;
prop->is_pending = FALSE;
prop->range = FALSE;
prop->immutable = FALSE;
prop->num_valid = 0;
prop->valid_values = NULL;
RRInitOutputPropertyValue (&prop->current);
RRInitOutputPropertyValue (&prop->pending);
return prop;
}
static void
RRDestroyOutputProperty (RRPropertyPtr prop)
{
if (prop->valid_values)
xfree (prop->valid_values);
if (prop->current.data)
xfree(prop->current.data);
if (prop->pending.data)
xfree(prop->pending.data);
xfree(prop);
}
void
RRDeleteOutputProperty (RROutputPtr output, Atom property)
{
PropertyPtr prop, *prev;
RRPropertyPtr prop, *prev;
xRROutputPropertyNotifyEvent event;
for (prev = &output->properties; (prop = *prev); prev = &(prop->next))
@ -70,8 +113,7 @@ RRDeleteOutputProperty (RROutputPtr output, Atom property)
event.atom = prop->propertyName;
event.timestamp = currentTime.milliseconds;
RRDeliverEvent (output->pScreen, (xEvent *) &event, RROutputPropertyNotifyMask);
xfree(prop->data);
xfree(prop);
RRDestroyOutputProperty (prop);
}
}
@ -80,96 +122,95 @@ RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
int format, int mode, unsigned long len,
pointer value, Bool sendevent)
{
PropertyPtr prop;
RRPropertyPtr prop;
xRROutputPropertyNotifyEvent event;
int sizeInBytes;
int totalSize;
pointer data;
RRPropertyValuePtr prop_value;
Bool add = FALSE;
sizeInBytes = format >> 3;
totalSize = len * sizeInBytes;
/* first see if property already exists */
for (prop = output->properties; prop; prop = prop->next)
if (prop->propertyName == property)
break;
prop = RRQueryOutputProperty (output, property);
if (!prop) /* just add to list */
{
prop = (PropertyPtr)xalloc(sizeof(PropertyRec));
prop = RRCreateOutputProperty (property);
if (!prop)
return(BadAlloc);
data = (pointer)xalloc(totalSize);
if (!data && len)
{
xfree(prop);
return(BadAlloc);
}
prop->propertyName = property;
prop->type = type;
prop->format = format;
prop->data = data;
if (len)
memmove((char *)data, (char *)value, totalSize);
prop->size = len;
prop->next = output->properties;
output->properties = prop;
add = TRUE;
mode = PropModeReplace;
}
if (prop->is_pending)
prop_value = &prop->pending;
else
{
/* To append or prepend to a property the request format and type
must match those of the already defined property. The
existing format and type are irrelevant when using the mode
"PropModeReplace" since they will be written over. */
prop_value = &prop->current;
/* To append or prepend to a property the request format and type
must match those of the already defined property. The
existing format and type are irrelevant when using the mode
"PropModeReplace" since they will be written over. */
if ((format != prop->format) && (mode != PropModeReplace))
return(BadMatch);
if ((prop->type != type) && (mode != PropModeReplace))
return(BadMatch);
if (mode == PropModeReplace)
{
if (totalSize != prop->size * (prop->format >> 3))
{
data = (pointer)xrealloc(prop->data, totalSize);
if (!data && len)
return(BadAlloc);
prop->data = data;
}
if (len)
memmove((char *)prop->data, (char *)value, totalSize);
prop->size = len;
prop->type = type;
prop->format = format;
}
else if (len == 0)
if ((format != prop_value->format) && (mode != PropModeReplace))
return(BadMatch);
if ((prop_value->type != type) && (mode != PropModeReplace))
return(BadMatch);
if (mode == PropModeReplace)
{
if (totalSize != prop_value->size * (prop_value->format >> 3))
{
/* do nothing */
}
else if (mode == PropModeAppend)
{
data = (pointer)xrealloc(prop->data,
sizeInBytes * (len + prop->size));
if (!data)
if (prop_value->data)
data = (pointer)xrealloc(prop_value->data, totalSize);
else
data = (pointer)xalloc (totalSize);
if (!data && len)
{
if (add)
RRDestroyOutputProperty (prop);
return(BadAlloc);
prop->data = data;
memmove(&((char *)data)[prop->size * sizeInBytes],
(char *)value,
totalSize);
prop->size += len;
}
else if (mode == PropModePrepend)
{
data = (pointer)xalloc(sizeInBytes * (len + prop->size));
if (!data)
return(BadAlloc);
memmove(&((char *)data)[totalSize], (char *)prop->data,
(int)(prop->size * sizeInBytes));
memmove((char *)data, (char *)value, totalSize);
xfree(prop->data);
prop->data = data;
prop->size += len;
}
prop_value->data = data;
}
if (len)
memmove((char *)prop_value->data, (char *)value, totalSize);
prop_value->size = len;
prop_value->type = type;
prop_value->format = format;
}
else if (len == 0)
{
/* do nothing */
}
else if (mode == PropModeAppend)
{
data = (pointer)xrealloc(prop_value->data,
sizeInBytes * (len + prop_value->size));
if (!data)
return(BadAlloc);
prop_value->data = data;
memmove(&((char *)data)[prop_value->size * sizeInBytes],
(char *)value,
totalSize);
prop_value->size += len;
}
else if (mode == PropModePrepend)
{
data = (pointer)xalloc(sizeInBytes * (len + prop_value->size));
if (!data)
return(BadAlloc);
memmove(&((char *)data)[totalSize], (char *)prop_value->data,
(int)(prop_value->size * sizeInBytes));
memmove((char *)data, (char *)value, totalSize);
xfree(prop_value->data);
prop_value->data = data;
prop_value->size += len;
}
if (add)
{
prop->next = output->properties;
output->properties = prop;
}
if (sendevent)
{
@ -184,6 +225,81 @@ RRChangeOutputProperty (RROutputPtr output, Atom property, Atom type,
return(Success);
}
RRPropertyPtr
RRQueryOutputProperty (RROutputPtr output, Atom property)
{
RRPropertyPtr prop;
for (prop = output->properties; prop; prop = prop->next)
if (prop->propertyName == property)
return prop;
return NULL;
}
RRPropertyValuePtr
RRGetOutputProperty (RROutputPtr output, Atom property, Bool pending)
{
RRPropertyPtr prop = RRQueryOutputProperty (output, property);
if (!prop)
return NULL;
if (pending && prop->is_pending)
return &prop->pending;
else
return &prop->current;
}
int
RRConfigureOutputProperty (RROutputPtr output, Atom property,
Bool pending, Bool range, Bool immutable,
int num_values, INT32 *values)
{
RRPropertyPtr prop = RRQueryOutputProperty (output, property);
Bool add = FALSE;
INT32 *new_values;
if (!prop)
{
prop = RRCreateOutputProperty (property);
if (!prop)
return(BadAlloc);
add = TRUE;
} else if (prop->immutable && !immutable)
return(BadAccess);
/*
* ranges must have even number of values
*/
if (range && (num_values & 1))
return BadMatch;
new_values = xalloc (num_values * sizeof (INT32));
if (!new_values && num_values)
return BadAlloc;
if (num_values)
memcpy (new_values, values, num_values * sizeof (INT32));
/*
* Property moving from pending to non-pending
* loses any pending values
*/
if (prop->is_pending && !pending)
{
if (prop->pending.data)
xfree (prop->pending.data);
RRInitOutputPropertyValue (&prop->pending);
}
prop->is_pending = pending;
prop->range = range;
prop->immutable = immutable;
prop->num_valid = num_values;
if (prop->valid_values)
xfree (prop->valid_values);
prop->valid_values = new_values;
return Success;
}
int
ProcRRListOutputProperties (ClientPtr client)
{
@ -192,7 +308,7 @@ ProcRRListOutputProperties (ClientPtr client)
xRRListOutputPropertiesReply rep;
int numProps = 0;
RROutputPtr output;
PropertyPtr prop;
RRPropertyPtr prop;
REQUEST_SIZE_MATCH(xRRListOutputPropertiesReq);
@ -211,6 +327,12 @@ ProcRRListOutputProperties (ClientPtr client)
rep.nProperties = numProps;
rep.length = (numProps * sizeof(Atom)) >> 2;
rep.sequenceNumber = client->sequence;
if (client->swapped)
{
int n;
swaps (&rep.sequenceNumber, n);
swapl (&rep.length, n);
}
temppAtoms = pAtoms;
for (prop = output->properties; prop; prop = prop->next)
*temppAtoms++ = prop->propertyName;
@ -225,6 +347,68 @@ ProcRRListOutputProperties (ClientPtr client)
return(client->noClientException);
}
int
ProcRRQueryOutputProperty (ClientPtr client)
{
REQUEST(xRRQueryOutputPropertyReq);
xRRQueryOutputPropertyReply rep;
RROutputPtr output;
RRPropertyPtr prop;
REQUEST_SIZE_MATCH(xRRQueryOutputPropertyReq);
output = LookupOutput (client, stuff->output, SecurityReadAccess);
if (!output)
return RRErrorBase + BadRROutput;
prop = RRQueryOutputProperty (output, stuff->property);
if (!prop)
return BadName;
rep.type = X_Reply;
rep.length = prop->num_valid;
rep.sequenceNumber = client->sequence;
rep.pending = prop->is_pending;
rep.range = prop->range;
rep.immutable = prop->immutable;
if (client->swapped)
{
int n;
swaps (&rep.sequenceNumber, n);
swapl (&rep.length, n);
}
WriteReplyToClient (client, sizeof (xRRQueryOutputPropertyReply), &rep);
if (prop->num_valid)
{
client->pSwapReplyFunc = (ReplySwapPtr)Swap32Write;
WriteSwappedDataToClient(client, prop->num_valid * sizeof(INT32),
prop->valid_values);
}
return(client->noClientException);
}
int
ProcRRConfigureOutputProperty (ClientPtr client)
{
REQUEST(xRRConfigureOutputPropertyReq);
RROutputPtr output;
int num_valid;
REQUEST_SIZE_MATCH(xRRConfigureOutputPropertyReq);
output = LookupOutput (client, stuff->output, SecurityReadAccess);
if (!output)
return RRErrorBase + BadRROutput;
num_valid = stuff->length - (sizeof (xRRConfigureOutputPropertyReq) >> 2);
return RRConfigureOutputProperty (output, stuff->property,
stuff->pending, stuff->range,
FALSE, num_valid,
(INT32 *) (stuff + 1));
}
int
ProcRRChangeOutputProperty (ClientPtr client)
{
@ -309,7 +493,8 @@ int
ProcRRGetOutputProperty (ClientPtr client)
{
REQUEST(xRRGetOutputPropertyReq);
PropertyPtr prop, *prev;
RRPropertyPtr prop, *prev;
RRPropertyValuePtr prop_value;
unsigned long n, len, ind;
RROutputPtr output;
xRRGetOutputPropertyReply reply;
@ -356,18 +541,26 @@ ProcRRGetOutputProperty (ClientPtr client)
return(client->noClientException);
}
if (prop->immutable && stuff->delete)
return BadAccess;
if (stuff->pending && prop->is_pending)
prop_value = &prop->pending;
else
prop_value = &prop->current;
/* If the request type and actual type don't match. Return the
property information, but not the data. */
if (((stuff->type != prop->type) &&
if (((stuff->type != prop_value->type) &&
(stuff->type != AnyPropertyType))
)
{
reply.bytesAfter = prop->size;
reply.format = prop->format;
reply.bytesAfter = prop_value->size;
reply.format = prop_value->format;
reply.length = 0;
reply.nItems = 0;
reply.propertyType = prop->type;
reply.propertyType = prop_value->type;
WriteReplyToClient(client, sizeof(xRRGetOutputPropertyReply), &reply);
return(client->noClientException);
}
@ -375,7 +568,7 @@ ProcRRGetOutputProperty (ClientPtr client)
/*
* Return type, format, value to client
*/
n = (prop->format/8) * prop->size; /* size (bytes) of prop */
n = (prop_value->format/8) * prop_value->size; /* size (bytes) of prop */
ind = stuff->longOffset << 2;
/* If longOffset is invalid such that it causes "len" to
@ -390,10 +583,10 @@ ProcRRGetOutputProperty (ClientPtr client)
len = min(n - ind, 4 * stuff->longLength);
reply.bytesAfter = n - (ind + len);
reply.format = prop->format;
reply.format = prop_value->format;
reply.length = (len + 3) >> 2;
reply.nItems = len / (prop->format / 8 );
reply.propertyType = prop->type;
reply.nItems = len / (prop_value->format / 8 );
reply.propertyType = prop_value->type;
if (stuff->delete && (reply.bytesAfter == 0))
{
@ -417,14 +610,13 @@ ProcRRGetOutputProperty (ClientPtr client)
default: client->pSwapReplyFunc = (ReplySwapPtr)WriteToClient; break;
}
WriteSwappedDataToClient(client, len,
(char *)prop->data + ind);
(char *)prop_value->data + ind);
}
if (stuff->delete && (reply.bytesAfter == 0))
{ /* delete the Property */
*prev = prop->next;
xfree(prop->data);
xfree(prop);
RRDestroyOutputProperty (prop);
}
return(client->noClientException);
}

46
randr/rrsdispatch.c
View file

@ -131,6 +131,26 @@ SProcRRListOutputProperties (ClientPtr client)
return BadImplementation;
}
static int
SProcRRQueryOutputProperty (ClientPtr client)
{
REQUEST(xRRQueryOutputPropertyReq);
REQUEST_SIZE_MATCH(xRRQueryOutputPropertyReq);
(void) stuff;
return BadImplementation;
}
static int
SProcRRConfigureOutputProperty (ClientPtr client)
{
REQUEST(xRRConfigureOutputPropertyReq);
REQUEST_SIZE_MATCH(xRRConfigureOutputPropertyReq);
(void) stuff;
return BadImplementation;
}
static int
SProcRRChangeOutputProperty (ClientPtr client)
{
@ -267,17 +287,19 @@ int (*SProcRandrVector[RRNumberRequests])(ClientPtr) = {
SProcRRGetScreenResources, /* 8 */
SProcRRGetOutputInfo, /* 9 */
SProcRRListOutputProperties,/* 10 */
SProcRRChangeOutputProperty,/* 11 */
SProcRRDeleteOutputProperty,/* 12 */
SProcRRGetOutputProperty, /* 13 */
SProcRRCreateMode, /* 14 */
SProcRRDestroyMode, /* 15 */
SProcRRAddOutputMode, /* 16 */
SProcRRDeleteOutputMode, /* 17 */
SProcRRGetCrtcInfo, /* 18 */
SProcRRSetCrtcConfig, /* 19 */
SProcRRGetCrtcGammaSize, /* 20 */
SProcRRGetCrtcGamma, /* 21 */
SProcRRSetCrtcGamma, /* 22 */
SProcRRQueryOutputProperty, /* 11 */
SProcRRConfigureOutputProperty, /* 12 */
SProcRRChangeOutputProperty,/* 13 */
SProcRRDeleteOutputProperty,/* 14 */
SProcRRGetOutputProperty, /* 15 */
SProcRRCreateMode, /* 16 */
SProcRRDestroyMode, /* 17 */
SProcRRAddOutputMode, /* 18 */
SProcRRDeleteOutputMode, /* 19 */
SProcRRGetCrtcInfo, /* 20 */
SProcRRSetCrtcConfig, /* 21 */
SProcRRGetCrtcGammaSize, /* 22 */
SProcRRGetCrtcGamma, /* 23 */
SProcRRSetCrtcGamma, /* 24 */
};