diff options
Diffstat (limited to 'xorg-server/randr/rrprovider.c')
| -rw-r--r-- | xorg-server/randr/rrprovider.c | 411 |
1 files changed, 411 insertions, 0 deletions
diff --git a/xorg-server/randr/rrprovider.c b/xorg-server/randr/rrprovider.c new file mode 100644 index 000000000..c4fe36980 --- /dev/null +++ b/xorg-server/randr/rrprovider.c @@ -0,0 +1,411 @@ +/* + * Copyright © 2012 Red Hat Inc. + * + * 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, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + * + * Authors: Dave Airlie + */ + +#include "randrstr.h" +#include "swaprep.h" + +RESTYPE RRProviderType; + +/* + * Initialize provider type error value + */ +void +RRProviderInitErrorValue(void) +{ + SetResourceTypeErrorValue(RRProviderType, RRErrorBase + BadRRProvider); +} + +#define ADD_PROVIDER(_pScreen) do { \ + pScrPriv = rrGetScrPriv((_pScreen)); \ + if (pScrPriv->provider) { \ + providers[count_providers] = pScrPriv->provider->id; \ + if (client->swapped) \ + swapl(&providers[count_providers]); \ + count_providers++; \ + } \ + } while(0) + +int +ProcRRGetProviders (ClientPtr client) +{ + REQUEST(xRRGetProvidersReq); + xRRGetProvidersReply rep; + WindowPtr pWin; + ScreenPtr pScreen; + rrScrPrivPtr pScrPriv; + int rc; + CARD8 *extra; + unsigned int extraLen; + RRProvider *providers; + int total_providers = 0, count_providers = 0; + ScreenPtr iter; + + REQUEST_SIZE_MATCH(xRRGetProvidersReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + pScreen = pWin->drawable.pScreen; + + pScrPriv = rrGetScrPriv(pScreen); + + if (pScrPriv->provider) + total_providers++; + xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head) { + pScrPriv = rrGetScrPriv(iter); + total_providers += pScrPriv->provider ? 1 : 0; + } + xorg_list_for_each_entry(iter, &pScreen->offload_slave_list, offload_head) { + pScrPriv = rrGetScrPriv(iter); + total_providers += pScrPriv->provider ? 1 : 0; + } + xorg_list_for_each_entry(iter, &pScreen->unattached_list, unattached_head) { + pScrPriv = rrGetScrPriv(iter); + total_providers += pScrPriv->provider ? 1 : 0; + } + + pScrPriv = rrGetScrPriv(pScreen); + rep.pad = 0; + + if (!pScrPriv) + { + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.timestamp = currentTime.milliseconds; + rep.nProviders = 0; + extra = NULL; + extraLen = 0; + } else { + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.timestamp = pScrPriv->lastSetTime.milliseconds; + rep.nProviders = total_providers; + rep.length = total_providers; + extraLen = rep.length << 2; + if (extraLen) { + extra = malloc(extraLen); + if (!extra) + return BadAlloc; + } else + extra = NULL; + + providers = (RRProvider *)extra; + ADD_PROVIDER(pScreen); + xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head) { + ADD_PROVIDER(iter); + } + xorg_list_for_each_entry(iter, &pScreen->offload_slave_list, offload_head) { + ADD_PROVIDER(iter); + } + xorg_list_for_each_entry(iter, &pScreen->unattached_list, unattached_head) { + ADD_PROVIDER(iter); + } + } + + if (client->swapped) { + swaps(&rep.sequenceNumber); + swapl(&rep.length); + swapl(&rep.timestamp); + swaps(&rep.nProviders); + } + WriteToClient(client, sizeof(xRRGetProvidersReply), (char *)&rep); + if (extraLen) + { + WriteToClient (client, extraLen, (char *) extra); + free(extra); + } + return Success; +} + +int +ProcRRGetProviderInfo (ClientPtr client) +{ + REQUEST(xRRGetProviderInfoReq); + xRRGetProviderInfoReply rep; + rrScrPrivPtr pScrPriv, pScrProvPriv; + RRProviderPtr provider; + ScreenPtr pScreen; + CARD8 *extra; + unsigned int extraLen = 0; + RRCrtc *crtcs; + RROutput *outputs; + int i; + char *name; + ScreenPtr provscreen; + RRProvider *providers; + uint32_t *prov_cap; + + REQUEST_SIZE_MATCH(xRRGetProviderInfoReq); + VERIFY_RR_PROVIDER(stuff->provider, provider, DixReadAccess); + + pScreen = provider->pScreen; + pScrPriv = rrGetScrPriv(pScreen); + + rep.type = X_Reply; + rep.status = RRSetConfigSuccess; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.capabilities = provider->capabilities; + rep.nameLength = provider->nameLength; + rep.timestamp = pScrPriv->lastSetTime.milliseconds; + rep.nCrtcs = pScrPriv->numCrtcs; + rep.nOutputs = pScrPriv->numOutputs; + + /* count associated providers */ + rep.nAssociatedProviders = 0; + if (provider->offload_sink) + rep.nAssociatedProviders++; + if (provider->output_source) + rep.nAssociatedProviders++; + xorg_list_for_each_entry(provscreen, &pScreen->output_slave_list, output_head) + rep.nAssociatedProviders++; + xorg_list_for_each_entry(provscreen, &pScreen->offload_slave_list, offload_head) + rep.nAssociatedProviders++; + + rep.length = (pScrPriv->numCrtcs + pScrPriv->numOutputs + + (rep.nAssociatedProviders * 2) + bytes_to_int32(rep.nameLength)); + + extraLen = rep.length << 2; + if (extraLen) { + extra = malloc(extraLen); + if (!extra) + return BadAlloc; + } + else + extra = NULL; + + crtcs = (RRCrtc *)extra; + outputs = (RROutput *)(crtcs + rep.nCrtcs); + providers = (RRProvider *)(outputs + rep.nOutputs); + prov_cap = (unsigned int *)(providers + rep.nAssociatedProviders); + name = (char *)(prov_cap + rep.nAssociatedProviders); + + for (i = 0; i < pScrPriv->numCrtcs; i++) { + crtcs[i] = pScrPriv->crtcs[i]->id; + if (client->swapped) + swapl(&crtcs[i]); + } + + for (i = 0; i < pScrPriv->numOutputs; i++) { + outputs[i] = pScrPriv->outputs[i]->id; + if (client->swapped) + swapl(&outputs[i]); + } + + i = 0; + if (provider->offload_sink) { + providers[i] = provider->offload_sink->id; + if (client->swapped) + swapl(&providers[i]); + prov_cap[i] = RR_Capability_SinkOffload; + if (client->swapped) + swapl(&prov_cap[i]); + i++; + } + if (provider->output_source) { + providers[i] = provider->output_source->id; + if (client->swapped) + swapl(&providers[i]); + prov_cap[i] = RR_Capability_SourceOutput; + swapl(&prov_cap[i]); + i++; + } + xorg_list_for_each_entry(provscreen, &pScreen->output_slave_list, output_head) { + pScrProvPriv = rrGetScrPriv(provscreen); + providers[i] = pScrProvPriv->provider->id; + if (client->swapped) + swapl(&providers[i]); + prov_cap[i] = RR_Capability_SinkOutput; + if (client->swapped) + swapl(&prov_cap[i]); + i++; + } + xorg_list_for_each_entry(provscreen, &pScreen->offload_slave_list, offload_head) { + pScrProvPriv = rrGetScrPriv(provscreen); + providers[i] = pScrProvPriv->provider->id; + if (client->swapped) + swapl(&providers[i]); + prov_cap[i] = RR_Capability_SourceOffload; + if (client->swapped) + swapl(&prov_cap[i]); + i++; + } + + + memcpy(name, provider->name, rep.nameLength); + if (client->swapped) { + swaps(&rep.sequenceNumber); + swapl(&rep.length); + swapl(&rep.capabilities); + swaps(&rep.nCrtcs); + swaps(&rep.nOutputs); + swaps(&rep.nameLength); + } + WriteToClient(client, sizeof(xRRGetProviderInfoReply), (char *)&rep); + if (extraLen) + { + WriteToClient (client, extraLen, (char *) extra); + free(extra); + } + return Success; +} + +int +ProcRRSetProviderOutputSource(ClientPtr client) +{ + REQUEST(xRRSetProviderOutputSourceReq); + rrScrPrivPtr pScrPriv; + RRProviderPtr provider, source_provider = NULL; + ScreenPtr pScreen; + + REQUEST_AT_LEAST_SIZE(xRRSetProviderOutputSourceReq); + + VERIFY_RR_PROVIDER(stuff->provider, provider, DixReadAccess); + + if (!(provider->capabilities & RR_Capability_SinkOutput)) + return BadValue; + + if (stuff->source_provider) { + VERIFY_RR_PROVIDER(stuff->source_provider, source_provider, DixReadAccess); + + if (!(source_provider->capabilities & RR_Capability_SourceOutput)) + return BadValue; + } + + pScreen = provider->pScreen; + pScrPriv = rrGetScrPriv(pScreen); + + pScrPriv->rrProviderSetOutputSource(pScreen, provider, source_provider); + + RRTellChanged (pScreen); + + return Success; +} + +int +ProcRRSetProviderOffloadSink(ClientPtr client) +{ + REQUEST(xRRSetProviderOffloadSinkReq); + rrScrPrivPtr pScrPriv; + RRProviderPtr provider, sink_provider = NULL; + ScreenPtr pScreen; + + REQUEST_AT_LEAST_SIZE(xRRSetProviderOffloadSinkReq); + + VERIFY_RR_PROVIDER(stuff->provider, provider, DixReadAccess); + if (!(provider->capabilities & RR_Capability_SourceOffload)) + return BadValue; + + if (stuff->sink_provider) { + VERIFY_RR_PROVIDER(stuff->sink_provider, sink_provider, DixReadAccess); + if (!(sink_provider->capabilities & RR_Capability_SinkOffload)) + return BadValue; + } + pScreen = provider->pScreen; + pScrPriv = rrGetScrPriv(pScreen); + + pScrPriv->rrProviderSetOffloadSink(pScreen, provider, sink_provider); + + RRTellChanged (pScreen); + + return Success; +} + +RRProviderPtr +RRProviderCreate(ScreenPtr pScreen, const char *name, + int nameLength) +{ + RRProviderPtr provider; + rrScrPrivPtr pScrPriv; + + pScrPriv = rrGetScrPriv(pScreen); + + provider = calloc(1, sizeof(RRProviderRec) + nameLength + 1); + if (!provider) + return NULL; + + provider->id = FakeClientID(0); + provider->pScreen = pScreen; + provider->name = (char *) (provider + 1); + provider->nameLength = nameLength; + memcpy(provider->name, name, nameLength); + provider->name[nameLength] = '\0'; + + if (!AddResource (provider->id, RRProviderType, (pointer) provider)) + return NULL; + pScrPriv->provider = provider; + return provider; +} + +/* + * Destroy a provider at shutdown + */ +void +RRProviderDestroy (RRProviderPtr provider) +{ + FreeResource (provider->id, 0); +} + +void +RRProviderSetCapabilities(RRProviderPtr provider, uint32_t capabilities) +{ + provider->capabilities = capabilities; +} + +static int +RRProviderDestroyResource (pointer value, XID pid) +{ + RRProviderPtr provider = (RRProviderPtr)value; + ScreenPtr pScreen = provider->pScreen; + + if (pScreen) + { + rrScrPriv(pScreen); + + pScrPriv->provider = NULL; + } + free(provider); + return 1; +} + +Bool +RRProviderInit(void) +{ + RRProviderType = CreateNewResourceType(RRProviderDestroyResource, "Provider"); + if (!RRProviderType) + return FALSE; + + return TRUE; +} + +extern _X_EXPORT Bool +RRProviderLookup(XID id, RRProviderPtr *provider_p) +{ + int rc = dixLookupResourceByType((void **)provider_p, id, + RRProviderType, NullClient, DixReadAccess); + if (rc == Success) + return TRUE; + return FALSE; +} |