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-rw-r--r--randr/rrscreen.c169
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;