diff options
Diffstat (limited to 'randr/rrscreen.c')
| -rw-r--r-- | randr/rrscreen.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/randr/rrscreen.c b/randr/rrscreen.c index c564d1f96..9bf931603 100644 --- a/randr/rrscreen.c +++ b/randr/rrscreen.c @@ -292,6 +292,172 @@ ProcRRSetScreenSize(ClientPtr client) return Success; } + +#define update_totals(gpuscreen, pScrPriv) do { \ + total_crtcs += pScrPriv->numCrtcs; \ + total_outputs += pScrPriv->numOutputs; \ + modes = RRModesForScreen(gpuscreen, &num_modes); \ + if (!modes) \ + return BadAlloc; \ + for (j = 0; j < num_modes; j++) \ + total_name_len += modes[j]->mode.nameLength; \ + total_modes += num_modes; \ + free(modes); \ +} while(0) + +static inline void swap_modeinfos(xRRModeInfo *modeinfos, int i) +{ + swapl(&modeinfos[i].id); + swaps(&modeinfos[i].width); + swaps(&modeinfos[i].height); + swapl(&modeinfos[i].dotClock); + swaps(&modeinfos[i].hSyncStart); + swaps(&modeinfos[i].hSyncEnd); + swaps(&modeinfos[i].hTotal); + swaps(&modeinfos[i].hSkew); + swaps(&modeinfos[i].vSyncStart); + swaps(&modeinfos[i].vSyncEnd); + swaps(&modeinfos[i].vTotal); + swaps(&modeinfos[i].nameLength); + swapl(&modeinfos[i].modeFlags); +} + +#define update_arrays(gpuscreen, pScrPriv) do { \ + for (j = 0; j < pScrPriv->numCrtcs; j++) { \ + crtcs[crtc_count] = pScrPriv->crtcs[j]->id; \ + if (client->swapped) \ + swapl(&crtcs[crtc_count]); \ + crtc_count++; \ + } \ + for (j = 0; j < pScrPriv->numOutputs; j++) { \ + outputs[output_count] = pScrPriv->outputs[j]->id; \ + if (client->swapped) \ + swapl(&outputs[output_count]); \ + output_count++; \ + } \ + { \ + RRModePtr mode; \ + modes = RRModesForScreen(gpuscreen, &num_modes); \ + for (j = 0; j < num_modes; j++) { \ + mode = modes[j]; \ + modeinfos[mode_count] = mode->mode; \ + if (client->swapped) { \ + swap_modeinfos(modeinfos, mode_count); \ + } \ + memcpy(names, mode->name, mode->mode.nameLength); \ + names += mode->mode.nameLength; \ + mode_count++; \ + } \ + free(modes); \ + } \ + } while (0) + +static int +rrGetMultiScreenResources(ClientPtr client, Bool query, ScreenPtr pScreen) +{ + int j; + int total_crtcs, total_outputs, total_modes, total_name_len; + int crtc_count, output_count, mode_count; + ScreenPtr iter; + rrScrPrivPtr pScrPriv; + int num_modes; + RRModePtr *modes; + xRRGetScreenResourcesReply rep; + unsigned long extraLen; + CARD8 *extra; + RRCrtc *crtcs; + RROutput *outputs; + xRRModeInfo *modeinfos; + CARD8 *names; + + /* we need to iterate all the GPU masters and all their output slaves */ + total_crtcs = 0; + total_outputs = 0; + total_modes = 0; + total_name_len = 0; + + pScrPriv = rrGetScrPriv(pScreen); + + if (query && pScrPriv) + if (!RRGetInfo(pScreen, query)) + return BadAlloc; + + update_totals(pScreen, pScrPriv); + + xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head) { + pScrPriv = rrGetScrPriv(iter); + + if (query) + if (!RRGetInfo(iter, query)) + return BadAlloc; + update_totals(iter, pScrPriv); + } + + ErrorF("reporting %d %d %d %d\n", total_crtcs, total_outputs, total_modes, total_name_len); + + pScrPriv = rrGetScrPriv(pScreen); + rep.pad = 0; + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.timestamp = pScrPriv->lastSetTime.milliseconds; + rep.configTimestamp = pScrPriv->lastConfigTime.milliseconds; + rep.nCrtcs = total_crtcs; + rep.nOutputs = total_outputs; + rep.nModes = total_modes; + rep.nbytesNames = total_name_len; + + rep.length = (total_crtcs + total_outputs + total_modes * bytes_to_int32(SIZEOF(xRRModeInfo)) + + bytes_to_int32(rep.nbytesNames)); + + extraLen = rep.length << 2; + if (extraLen) { + extra = malloc(extraLen); + if (!extra) { + return BadAlloc; + } + } + else + extra = NULL; + + crtcs = (RRCrtc *)extra; + outputs = (RROutput *)(crtcs + total_crtcs); + modeinfos = (xRRModeInfo *)(outputs + total_outputs); + names = (CARD8 *)(modeinfos + total_modes); + + /* TODO primary */ + crtc_count = 0; + output_count = 0; + mode_count = 0; + + pScrPriv = rrGetScrPriv(pScreen); + update_arrays(pScreen, pScrPriv); + + xorg_list_for_each_entry(iter, &pScreen->output_slave_list, output_head) { + pScrPriv = rrGetScrPriv(iter); + + update_arrays(iter, pScrPriv); + } + + assert(bytes_to_int32((char *) names - (char *) extra) == rep.length); + if (client->swapped) { + swaps(&rep.sequenceNumber); + swapl(&rep.length); + swapl(&rep.timestamp); + swapl(&rep.configTimestamp); + swaps(&rep.nCrtcs); + swaps(&rep.nOutputs); + swaps(&rep.nModes); + swaps(&rep.nbytesNames); + } + WriteToClient(client, sizeof(xRRGetScreenResourcesReply), (char *) &rep); + if (extraLen) { + WriteToClient(client, extraLen, (char *) extra); + free(extra); + } + return Success; +} + static int rrGetScreenResources(ClientPtr client, Bool query) { @@ -321,6 +487,9 @@ rrGetScreenResources(ClientPtr client, Bool query) if (!RRGetInfo(pScreen, query)) return BadAlloc; + if (!xorg_list_is_empty(&pScreen->output_slave_list)) + return rrGetMultiScreenResources(client, query, pScreen); + if (!pScrPriv) { rep.type = X_Reply; rep.sequenceNumber = client->sequence; |