diff options
Diffstat (limited to 'xorg-server/randr/mirrcrtc.c')
| -rw-r--r-- | xorg-server/randr/mirrcrtc.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/xorg-server/randr/mirrcrtc.c b/xorg-server/randr/mirrcrtc.c deleted file mode 100644 index 812b2b68b..000000000 --- a/xorg-server/randr/mirrcrtc.c +++ /dev/null @@ -1,174 +0,0 @@ -/*
- * Copyright © 2010 Keith Packard
- *
- * 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.
- */
-
-#include "randrstr.h"
-
-Bool
-miRRSetScreenConfig(ScreenPtr screen,
- RRScreenConfigPtr screen_config)
-{
- RRScreenConfigRec old_screen_config;
-
- RRScreenCurrentConfig(screen, &old_screen_config);
-
- /* Check and see if nothing has changed */
- if (old_screen_config.screen_width == screen_config->screen_width &&
- old_screen_config.screen_height == screen_config->screen_height &&
- old_screen_config.screen_pixmap_width == screen_config->screen_pixmap_width &&
- old_screen_config.screen_pixmap_height == screen_config->screen_pixmap_height &&
- old_screen_config.mm_width == screen_config->mm_width &&
- old_screen_config.mm_height == screen_config->mm_height)
- return TRUE;
-
- return RRScreenSizeSet(screen,
- screen_config->screen_width,
- screen_config->screen_height,
- screen_config->screen_pixmap_width,
- screen_config->screen_pixmap_height,
- screen_config->mm_width,
- screen_config->mm_height);
-}
-
-Bool
-miRRSetCrtcConfig(RRCrtcConfigPtr crtc_config)
-{
- int x = crtc_config->x, y = crtc_config->y;
-
- if (crtc_config->pixmap) {
- x = crtc_config->pixmap_x;
- y = crtc_config->pixmap_y;
- }
- if (!RRCrtcSet(crtc_config->crtc,
- crtc_config->mode,
- x,
- y,
- crtc_config->rotation,
- crtc_config->numOutputs,
- crtc_config->outputs,
- crtc_config->pixmap))
- return FALSE;
- RRCrtcSpriteTransformSet(crtc_config->crtc,
- &crtc_config->sprite_position_transform,
- &crtc_config->sprite_image_transform,
- &crtc_config->sprite_position_f_transform,
- &crtc_config->sprite_image_f_transform);
- return TRUE;
-}
-
-Bool
-miRRDisableCrtc(RRCrtcPtr crtc)
-{
- RRCrtcConfigRec off_config;
-
- memset(&off_config, '\0', sizeof (RRCrtcConfigRec));
- off_config.crtc = crtc;
- return miRRSetCrtcConfig(&off_config);
-}
-
-/*
- * If the current crtc configuration doesn't fit
- * with the new screen config, disable it
- */
-Bool
-miRRCheckDisableCrtc(RRScreenConfigPtr new_screen_config,
- RRCrtcConfigPtr old_crtc_config)
-{
- RRCrtcPtr crtc = old_crtc_config->crtc;
-
- /* If it's already disabled, we're done */
- if (!old_crtc_config->mode)
- return TRUE;
-
- /* If the crtc isn't scanning from the screen pixmap,
- * we're done
- */
- if (old_crtc_config->pixmap)
- return TRUE;
-
- /* If the new screen configuration covers the existing CRTC space,
- * we're done
- */
- if (RRScreenCoversCrtc(new_screen_config, old_crtc_config,
- &crtc->client_current_transform, NULL))
- return TRUE;
-
- /* Disable the crtc and let it get re-enabled */
- return miRRDisableCrtc(crtc);
-}
-
-Bool
-miRRSetCrtcConfigs(ScreenPtr screen,
- RRScreenConfigPtr screen_config,
- RRCrtcConfigPtr crtc_configs,
- int num_configs)
-{
- RRScreenConfigRec old_screen_config;
- RRCrtcConfigPtr old_crtc_configs;
- int i;
-
- /*
- * Save existing state
- */
-
- RRScreenCurrentConfig(screen, &old_screen_config);
- old_crtc_configs = calloc(num_configs, sizeof (RRCrtcConfigRec));
- if (!old_crtc_configs)
- return FALSE;
-
- for (i = 0; i < num_configs; i++)
- if (!RRCrtcCurrentConfig(crtc_configs[i].crtc, &old_crtc_configs[i]))
- goto fail_save;
- /*
- * Set the new configuration. If anything goes wrong,
- * bail and restore the old configuration
- */
- for (i = 0; i < num_configs; i++)
- if (!miRRCheckDisableCrtc(screen_config, &old_crtc_configs[i]))
- goto fail_disable;
-
- if (!miRRSetScreenConfig(screen, screen_config))
- goto fail_set_screen;
-
- for (i = 0; i < num_configs; i++)
- if (!miRRSetCrtcConfig(&crtc_configs[i]))
- goto fail_set_crtc;
-
- RRFreeCrtcConfigs(old_crtc_configs, num_configs);
- return TRUE;
-
-fail_set_crtc:
- /*
- * Restore the previous configuration. Ignore any errors
- * as we just need to hope that the driver can manage to
- * get back to the previous state without trouble.
- */
- for (i = 0; i < num_configs; i++)
- (void) miRRDisableCrtc(old_crtc_configs[i].crtc);
- (void) miRRSetScreenConfig(screen, &old_screen_config);
-fail_set_screen:
-fail_disable:
- for (i = 0; i < num_configs; i++)
- (void) miRRSetCrtcConfig(&old_crtc_configs[i]);
-fail_save:
- RRFreeCrtcConfigs(old_crtc_configs, num_configs);
- return FALSE;
-}
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