diff options
Diffstat (limited to 'randr/rrcrtc.c')
-rw-r--r-- | randr/rrcrtc.c | 512 |
1 files changed, 469 insertions, 43 deletions
diff --git a/randr/rrcrtc.c b/randr/rrcrtc.c index c2f696332..1f8f2e662 100644 --- a/randr/rrcrtc.c +++ b/randr/rrcrtc.c @@ -37,7 +37,7 @@ RRCrtcChanged (RRCrtcPtr crtc, Bool layoutChanged) if (pScreen) { rrScrPriv(pScreen); - + pScrPriv->changed = TRUE; /* * Send ConfigureNotify on any layout change @@ -59,19 +59,19 @@ RRCrtcCreate (ScreenPtr pScreen, void *devPrivate) if (!RRInit()) return NULL; - + pScrPriv = rrGetScrPriv(pScreen); /* make space for the crtc pointer */ if (pScrPriv->numCrtcs) - crtcs = realloc(pScrPriv->crtcs, + crtcs = realloc(pScrPriv->crtcs, (pScrPriv->numCrtcs + 1) * sizeof (RRCrtcPtr)); else crtcs = malloc(sizeof (RRCrtcPtr)); if (!crtcs) return FALSE; pScrPriv->crtcs = crtcs; - + crtc = calloc(1, sizeof (RRCrtcRec)); if (!crtc) return NULL; @@ -90,6 +90,8 @@ RRCrtcCreate (ScreenPtr pScreen, void *devPrivate) crtc->devPrivate = devPrivate; RRTransformInit (&crtc->client_pending_transform); RRTransformInit (&crtc->client_current_transform); + pixman_transform_init_identity (&crtc->client_sprite_position_transform); + pixman_transform_init_identity (&crtc->client_sprite_image_transform); pixman_transform_init_identity (&crtc->transform); pixman_f_transform_init_identity (&crtc->f_transform); pixman_f_transform_init_identity (&crtc->f_inverse); @@ -102,7 +104,7 @@ RRCrtcCreate (ScreenPtr pScreen, void *devPrivate) /* attach the screen and crtc together */ crtc->pScreen = pScreen; pScrPriv->crtcs[pScrPriv->numCrtcs++] = crtc; - + return crtc; } @@ -139,7 +141,7 @@ RRCrtcNotify (RRCrtcPtr crtc, RROutputPtr *outputs) { int i, j; - + /* * Check to see if any of the new outputs were * not in the old list and mark them as changed @@ -179,7 +181,7 @@ RRCrtcNotify (RRCrtcPtr crtc, if (numOutputs != crtc->numOutputs) { RROutputPtr *newoutputs; - + if (numOutputs) { if (crtc->numOutputs) @@ -258,7 +260,7 @@ RRDeliverCrtcEvent (ClientPtr client, WindowPtr pWin, RRCrtcPtr crtc) rrScrPriv (pScreen); xRRCrtcChangeNotifyEvent ce; RRModePtr mode = crtc->mode; - + ce.type = RRNotify + RREventBase; ce.subCode = RRNotify_CrtcChange; ce.timestamp = pScrPriv->lastSetTime.milliseconds; @@ -333,7 +335,7 @@ RRCrtcSet (RRCrtcPtr crtc, #if RANDR_12_INTERFACE if (pScrPriv->rrCrtcSet) { - ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, + ret = (*pScrPriv->rrCrtcSet) (pScreen, crtc, mode, x, y, rotation, numOutputs, outputs); } else @@ -392,6 +394,59 @@ RRCrtcSet (RRCrtcPtr crtc, return ret; } +void +RRFreeCrtcConfigs(RRCrtcConfigPtr configs, int num_configs) +{ + int i; + + for (i = 0; i < num_configs; i++) + free(configs[i].outputs); + free(configs); +} + +Bool +RRCrtcCurrentConfig(RRCrtcPtr crtc, + RRCrtcConfigPtr crtc_config) +{ + crtc_config->crtc = crtc; + crtc_config->x = crtc->x; + crtc_config->y = crtc->y; + crtc_config->mode = crtc->mode; + crtc_config->rotation = crtc->rotation; + crtc_config->numOutputs = crtc->numOutputs; + crtc_config->outputs = calloc(crtc->numOutputs, sizeof (RROutputPtr)); + if (!crtc_config->outputs) + return FALSE; + memcpy(crtc_config->outputs, crtc->outputs, crtc->numOutputs * sizeof (RROutputPtr)); + crtc_config->sprite_position_transform = crtc->client_sprite_f_position_transform; + crtc_config->sprite_image_transform = crtc->client_sprite_f_image_transform; + + /* XXX add pixmap stuff */ + crtc_config->pixmap = NULL; + crtc_config->pixmap_x = 0; + crtc_config->pixmap_y = 0; + return TRUE; +} + + +/* + * Request that a set of crtcs be configured at the same + * time on a single screen + */ + +Bool +RRSetCrtcConfigs(ScreenPtr screen, + RRScreenConfigPtr screen_config, + RRCrtcConfigPtr crtc_configs, + int num_configs) +{ + rrScrPrivPtr scr_priv = rrGetScrPriv(screen); + + if (!scr_priv) + return FALSE; + return (*scr_priv->rrSetCrtcConfigs)(screen, screen_config, crtc_configs, num_configs); +} + /* * Return crtc transform */ @@ -435,7 +490,7 @@ RRCrtcDestroyResource (pointer value, XID pid) { rrScrPriv(pScreen); int i; - + for (i = 0; i < pScrPriv->numCrtcs; i++) { if (pScrPriv->crtcs[i] == crtc) @@ -468,7 +523,7 @@ RRCrtcGammaSet (RRCrtcPtr crtc, #if RANDR_12_INTERFACE ScreenPtr pScreen = crtc->pScreen; #endif - + memcpy (crtc->gammaRed, red, crtc->gammaSize * sizeof (CARD16)); memcpy (crtc->gammaGreen, green, crtc->gammaSize * sizeof (CARD16)); memcpy (crtc->gammaBlue, blue, crtc->gammaSize * sizeof (CARD16)); @@ -631,6 +686,44 @@ RRCrtcTransformSet (RRCrtcPtr crtc, } /* + * Figure out whether the specific crtc_config can fit + * within the screen_config + */ +Bool +RRScreenCoversCrtc(RRScreenConfigPtr screen_config, + RRCrtcConfigPtr crtc_config, + RRTransformPtr client_transform, + XID *errorValue) +{ + int source_width; + int source_height; + struct pixman_f_transform f_transform; + + RRTransformCompute (crtc_config->x, crtc_config->y, + crtc_config->mode->mode.width, crtc_config->mode->mode.height, + crtc_config->rotation, + client_transform, + &crtc_config->sprite_position_transform, + &crtc_config->sprite_image_transform, + NULL, &f_transform, NULL, NULL, NULL, NULL); + + RRModeGetScanoutSize (crtc_config->mode, &f_transform, + &source_width, &source_height); + if (crtc_config->x + source_width > screen_config->screen_pixmap_width) { + if (errorValue) + *errorValue = crtc_config->x; + return FALSE; + } + + if (crtc_config->y + source_height > screen_config->screen_pixmap_height) { + if (errorValue) + *errorValue = crtc_config->y; + return FALSE; + } + return TRUE; +} + +/* * Initialize crtc type */ Bool @@ -639,7 +732,7 @@ RRCrtcInit (void) RRCrtcType = CreateNewResourceType (RRCrtcDestroyResource, "CRTC"); if (!RRCrtcType) return FALSE; - + return TRUE; } @@ -668,7 +761,7 @@ ProcRRGetCrtcInfo (ClientPtr client) int i, j, k, n; int width, height; BoxRec panned_area; - + REQUEST_SIZE_MATCH(xRRGetCrtcInfoReq); VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); @@ -679,7 +772,7 @@ ProcRRGetCrtcInfo (ClientPtr client) pScrPriv = rrGetScrPriv(pScreen); mode = crtc->mode; - + rep.type = X_Reply; rep.status = RRSetConfigSuccess; rep.sequenceNumber = client->sequence; @@ -712,7 +805,7 @@ ProcRRGetCrtcInfo (ClientPtr client) if (pScrPriv->outputs[i]->crtcs[j] == crtc) k++; rep.nPossibleOutput = k; - + rep.length = rep.nOutput + rep.nPossibleOutput; extraLen = rep.length << 2; @@ -727,7 +820,7 @@ ProcRRGetCrtcInfo (ClientPtr client) outputs = (RROutput *) extra; possible = (RROutput *) (outputs + rep.nOutput); - + for (i = 0; i < crtc->numOutputs; i++) { outputs[i] = crtc->outputs[i]->id; @@ -744,7 +837,7 @@ ProcRRGetCrtcInfo (ClientPtr client) swapl (&possible[k], n); k++; } - + if (client->swapped) { swaps(&rep.sequenceNumber, n); swapl(&rep.length, n); @@ -765,7 +858,7 @@ ProcRRGetCrtcInfo (ClientPtr client) WriteToClient (client, extraLen, (char *) extra); free(extra); } - + return Success; } @@ -785,10 +878,10 @@ ProcRRSetCrtcConfig (ClientPtr client) TimeStamp time; Rotation rotation; int rc, i, j; - + REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigReq); numOutputs = (stuff->length - bytes_to_int32(SIZEOF (xRRSetCrtcConfigReq))); - + VERIFY_RR_CRTC(stuff->crtc, crtc, DixSetAttrAccess); if (stuff->mode == None) @@ -811,7 +904,7 @@ ProcRRSetCrtcConfig (ClientPtr client) } else outputs = NULL; - + outputIds = (RROutput *) (stuff + 1); for (i = 0; i < numOutputs; i++) { @@ -834,7 +927,7 @@ ProcRRSetCrtcConfig (ClientPtr client) /* validate mode for this output */ for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++) { - RRModePtr m = (j < outputs[i]->numModes ? + RRModePtr m = (j < outputs[i]->numModes ? outputs[i]->modes[j] : outputs[i]->userModes[j - outputs[i]->numModes]); if (m == mode) @@ -869,17 +962,17 @@ ProcRRSetCrtcConfig (ClientPtr client) pScreen = crtc->pScreen; pScrPriv = rrGetScrPriv(pScreen); - + time = ClientTimeToServerTime(stuff->timestamp); configTime = ClientTimeToServerTime(stuff->configTimestamp); - + if (!pScrPriv) { time = currentTime; rep.status = RRSetConfigFailed; goto sendReply; } - + /* * Validate requested rotation */ @@ -912,7 +1005,7 @@ ProcRRSetCrtcConfig (ClientPtr client) free(outputs); return BadMatch; } - + #ifdef RANDR_12_INTERFACE /* * Check screen size bounds if the DDX provides a 1.2 interface @@ -944,7 +1037,7 @@ ProcRRSetCrtcConfig (ClientPtr client) free(outputs); return BadValue; } - + if (stuff->y + source_height > pScreen->height) { client->errorValue = stuff->y; @@ -954,7 +1047,7 @@ ProcRRSetCrtcConfig (ClientPtr client) } #endif } - + if (!RRCrtcSet (crtc, mode, stuff->x, stuff->y, rotation, numOutputs, outputs)) { @@ -963,17 +1056,17 @@ ProcRRSetCrtcConfig (ClientPtr client) } rep.status = RRSetConfigSuccess; pScrPriv->lastSetTime = time; - + sendReply: free(outputs); - + rep.type = X_Reply; /* rep.status has already been filled in */ rep.length = 0; rep.sequenceNumber = client->sequence; rep.newTimestamp = pScrPriv->lastSetTime.milliseconds; - if (client->swapped) + if (client->swapped) { int n; swaps(&rep.sequenceNumber, n); @@ -981,7 +1074,7 @@ sendReply: swapl(&rep.newTimestamp, n); } WriteToClient(client, sizeof(xRRSetCrtcConfigReply), (char *)&rep); - + return Success; } @@ -997,7 +1090,7 @@ ProcRRGetPanning (ClientPtr client) BoxRec tracking; INT16 border[4]; int n; - + REQUEST_SIZE_MATCH(xRRGetPanningReq); VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); @@ -1067,7 +1160,7 @@ ProcRRSetPanning (ClientPtr client) BoxRec tracking; INT16 border[4]; int n; - + REQUEST_SIZE_MATCH(xRRSetPanningReq); VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); @@ -1082,9 +1175,9 @@ ProcRRSetPanning (ClientPtr client) rep.status = RRSetConfigFailed; goto sendReply; } - + time = ClientTimeToServerTime(stuff->timestamp); - + if (!pScrPriv->rrGetPanning) return RRErrorBase + BadRRCrtc; @@ -1160,7 +1253,7 @@ ProcRRGetCrtcGamma (ClientPtr client) int n; unsigned long len; char *extra = NULL; - + REQUEST_SIZE_MATCH(xRRGetCrtcGammaReq); VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); @@ -1169,7 +1262,7 @@ ProcRRGetCrtcGamma (ClientPtr client) return RRErrorBase + BadRRCrtc; len = crtc->gammaSize * 3 * 2; - + if (crtc->gammaSize) { extra = malloc(len); if (!extra) @@ -1203,21 +1296,21 @@ ProcRRSetCrtcGamma (ClientPtr client) RRCrtcPtr crtc; unsigned long len; CARD16 *red, *green, *blue; - + REQUEST_AT_LEAST_SIZE(xRRSetCrtcGammaReq); VERIFY_RR_CRTC(stuff->crtc, crtc, DixReadAccess); - + len = client->req_len - bytes_to_int32(sizeof (xRRSetCrtcGammaReq)); if (len < (stuff->size * 3 + 1) >> 1) return BadLength; if (stuff->size != crtc->gammaSize) return BadMatch; - + red = (CARD16 *) (stuff + 1); green = red + crtc->gammaSize; blue = green + crtc->gammaSize; - + RRCrtcGammaSet (crtc, red, green, blue); return Success; @@ -1258,7 +1351,7 @@ ProcRRSetCrtcTransform (ClientPtr client) #define CrtcTransformExtra (SIZEOF(xRRGetCrtcTransformReply) - 32) - + static int transform_filter_length (RRTransformPtr transform) { @@ -1360,3 +1453,336 @@ ProcRRGetCrtcTransform (ClientPtr client) free(reply); return Success; } + +static void +pixman_f_transform_from_xRenderTransform(struct pixman_f_transform *f_transform, + xRenderTransform *x_transform) +{ + struct pixman_transform transform; + PictTransform_from_xRenderTransform(&transform, x_transform); + pixman_f_transform_from_pixman_transform(f_transform, &transform); +} + +static int +RRConvertCrtcConfig(ClientPtr client, ScreenPtr screen, + RRScreenConfigPtr screen_config, + RRCrtcConfigPtr config, xRRCrtcConfig *x, + RROutput *outputIds) +{ + RRCrtcPtr crtc; + RROutputPtr *outputs; + rrScrPrivPtr scr_priv; + RRModePtr mode; + PixmapPtr pixmap; + int rc, i, j; + Rotation rotation; + + VERIFY_RR_CRTC(x->crtc, crtc, DixSetAttrAccess); + + if (x->mode == None) + { + mode = NULL; + if (x->nOutput > 0) + return BadMatch; + } + else + { + VERIFY_RR_MODE(x->mode, mode, DixSetAttrAccess); + if (x->nOutput == 0) + return BadMatch; + } + if (x->nOutput) + { + outputs = malloc(x->nOutput * sizeof (RROutputPtr)); + if (!outputs) + return BadAlloc; + } + else + outputs = NULL; + + if (x->pixmap == None) + pixmap = NULL; + else + { + rc = dixLookupResourceByType((pointer *) &pixmap, x->pixmap, + RT_PIXMAP, client, DixWriteAccess); + if (rc != Success) { + free(outputs); + return rc; + } + /* XXX check to make sure this is a scanout pixmap */ + } + + for (i = 0; i < x->nOutput; i++) + { + rc = dixLookupResourceByType((pointer *)(outputs + i), outputIds[i], + RROutputType, client, DixSetAttrAccess); + if (rc != Success) + { + free(outputs); + return rc; + } + /* validate crtc for this output */ + for (j = 0; j < outputs[i]->numCrtcs; j++) + if (outputs[i]->crtcs[j] == crtc) + break; + if (j == outputs[i]->numCrtcs) + { + free(outputs); + return BadMatch; + } + /* validate mode for this output */ + for (j = 0; j < outputs[i]->numModes + outputs[i]->numUserModes; j++) + { + RRModePtr m = (j < outputs[i]->numModes ? + outputs[i]->modes[j] : + outputs[i]->userModes[j - outputs[i]->numModes]); + if (m == mode) + break; + } + if (j == outputs[i]->numModes + outputs[i]->numUserModes) + { + free(outputs); + return BadMatch; + } + } + /* validate clones */ + for (i = 0; i < x->nOutput; i++) + { + for (j = 0; j < x->nOutput; j++) + { + int k; + if (i == j) + continue; + for (k = 0; k < outputs[i]->numClones; k++) + { + if (outputs[i]->clones[k] == outputs[j]) + break; + } + if (k == outputs[i]->numClones) + { + free(outputs); + return BadMatch; + } + } + } + + if (crtc->pScreen != screen) + return BadMatch; + + scr_priv = rrGetScrPriv(screen); + + config->crtc = crtc; + config->x = x->x; + config->y = x->y; + config->mode = mode; + config->rotation = x->rotation; + config->numOutputs = x->nOutput; + config->outputs = outputs; + pixman_f_transform_from_xRenderTransform(&config->sprite_position_transform, + &x->spritePositionTransform); + pixman_f_transform_from_xRenderTransform(&config->sprite_image_transform, + &x->spriteImageTransform); + config->pixmap = pixmap; + config->pixmap_x = x->xPixmap; + config->pixmap_y = x->yPixmap; + + /* + * Validate requested rotation + */ + rotation = (Rotation) x->rotation; + + /* test the rotation bits only! */ + switch (rotation & 0xf) { + case RR_Rotate_0: + case RR_Rotate_90: + case RR_Rotate_180: + case RR_Rotate_270: + break; + default: + /* + * Invalid rotation + */ + client->errorValue = x->rotation; + free(outputs); + return BadValue; + } + + if (mode) + { + if ((~crtc->rotations) & rotation) + { + /* + * requested rotation or reflection not supported by screen + */ + client->errorValue = x->rotation; + free(outputs); + return BadMatch; + } + + /* + * If scanning out from another pixmap, make sure the mode + * fits + */ + if (pixmap) + { + if (x->xPixmap + mode->mode.width > pixmap->drawable.width) { + client->errorValue = x->xPixmap; + free(outputs); + return BadValue; + } + if (x->yPixmap + mode->mode.height > pixmap->drawable.height) { + client->errorValue = x->yPixmap; + free(outputs); + return BadValue; + } + } + /* + * Check screen size bounds if the DDX provides a 1.2 interface + * for setting screen size. Else, assume the CrtcSet sets + * the size along with the mode. If the driver supports transforms, + * then it must allow crtcs to display a subset of the screen, so + * only do this check for drivers without transform support. + */ + else if (scr_priv->rrScreenSetSize && !crtc->transforms) + { + if (!RRScreenCoversCrtc(screen_config, config, + &crtc->client_pending_transform, + &client->errorValue)) + { + free(outputs); + return BadValue; + } + } + } + + return Success; +} + +int +ProcRRSetCrtcConfigs (ClientPtr client) +{ + REQUEST(xRRSetCrtcConfigsReq); + xRRSetCrtcConfigsReply rep; + DrawablePtr drawable; + ScreenPtr screen; + rrScrPrivPtr scr_priv; + xRRCrtcConfig *x_configs; + RRScreenConfigRec screen_config; + RRCrtcConfigPtr configs; + RROutput *output_ids; + int num_configs; + int rc, i; + int extra_len; + int num_output_ids; + + REQUEST_AT_LEAST_SIZE(xRRSetCrtcConfigsReq); + + extra_len = client->req_len - bytes_to_int32(sizeof(xRRSetCrtcConfigsReq)); + + num_configs = stuff->nConfigs; + + /* Check request length against number of configs specified */ + if (num_configs * (sizeof (xRRCrtcConfig) >> 2) > extra_len) + return BadLength; + + extra_len -= num_configs * (sizeof (xRRCrtcConfig) >> 2); + x_configs = (xRRCrtcConfig *) (stuff + 1); + + /* Check remaining request length against number of outputs */ + num_output_ids = 0; + for (i = 0; i < num_configs; i++) + num_output_ids += x_configs[i].nOutput; + + if (extra_len != num_output_ids) + return BadLength; + + rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0, DixGetAttrAccess); + if (rc != Success) + return rc; + + screen = drawable->pScreen; + + scr_priv = rrGetScrPriv(screen); + + if (!scr_priv) + { + rep.status = RRSetConfigFailed; + goto sendReply; + } + + if (stuff->widthInMillimeters == 0 || stuff->heightInMillimeters == 0) + { + client->errorValue = 0; + return BadValue; + } + + if (stuff->screenPixmapWidth < scr_priv->minWidth || + scr_priv->maxWidth < stuff->screenPixmapWidth) + { + client->errorValue = stuff->screenPixmapWidth; + return BadValue; + } + if (stuff->screenPixmapHeight < scr_priv->minHeight || + scr_priv->maxHeight < stuff->screenPixmapHeight) + { + client->errorValue = stuff->screenPixmapHeight; + return BadValue; + } + + screen_config.screen_pixmap_width = stuff->screenPixmapWidth; + screen_config.screen_pixmap_height = stuff->screenPixmapHeight; + screen_config.screen_width = stuff->screenWidth; + screen_config.screen_height = stuff->screenHeight; + screen_config.mm_width = stuff->widthInMillimeters; + screen_config.mm_height = stuff->heightInMillimeters; + + if (num_configs == 0) + return Success; + + output_ids = (RROutput *) (x_configs + num_configs); + + /* + * Convert protocol crtc configurations into + * server crtc configurations + */ + configs = calloc(num_configs, sizeof (RRCrtcConfigRec)); + if (!configs) + return BadAlloc; + for (i = 0; i < num_configs; i++) { + rc = RRConvertCrtcConfig(client, screen, &screen_config, + &configs[i], + &x_configs[i], output_ids); + if (rc != Success) { + rep.status = RRSetConfigFailed; + goto sendReply; + } + output_ids += x_configs[i].nOutput; + } + + if (!RRSetCrtcConfigs (screen, &screen_config, configs, num_configs)) + { + rep.status = RRSetConfigFailed; + goto sendReply; + } + rep.status = RRSetConfigSuccess; + scr_priv->lastSetTime = currentTime; + +sendReply: + RRFreeCrtcConfigs(configs, num_configs); + + rep.type = X_Reply; + /* rep.status has already been filled in */ + rep.length = 0; + rep.sequenceNumber = client->sequence; + + if (client->swapped) + { + int n; + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + } + WriteToClient(client, sizeof(xRRSetCrtcConfigsReply), (char *)&rep); + + return Success; +} |