mirror of
https://github.com/libretro/RetroArch.git
synced 2024-10-07 22:33:27 +00:00
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/* RetroArch - A frontend for libretro.
|
|
* copyright (c) 2011-2015 - Daniel De Matteis
|
|
*
|
|
* RetroArch is free software: you can redistribute it and/or modify it under the terms
|
|
* of the GNU General Public License as published by the Free Software Found-
|
|
* ation, either version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
|
|
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with RetroArch.
|
|
* If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "../../verbosity.h"
|
|
|
|
#include "drm_common.h"
|
|
|
|
uint32_t g_connector_id;
|
|
int g_drm_fd;
|
|
uint32_t g_crtc_id;
|
|
|
|
drmModeCrtc *g_orig_crtc;
|
|
|
|
struct pollfd g_drm_fds;
|
|
|
|
drmModeRes *g_drm_resources;
|
|
drmModeConnector *g_drm_connector;
|
|
drmModeEncoder *g_drm_encoder;
|
|
drmModeModeInfo *g_drm_mode;
|
|
|
|
drmEventContext g_drm_evctx;
|
|
|
|
/* Restore the original CRTC. */
|
|
void drm_restore_crtc(void)
|
|
{
|
|
if (!g_orig_crtc)
|
|
return;
|
|
|
|
drmModeSetCrtc(g_drm_fd, g_orig_crtc->crtc_id,
|
|
g_orig_crtc->buffer_id,
|
|
g_orig_crtc->x,
|
|
g_orig_crtc->y,
|
|
&g_connector_id, 1, &g_orig_crtc->mode);
|
|
|
|
drmModeFreeCrtc(g_orig_crtc);
|
|
g_orig_crtc = NULL;
|
|
}
|
|
|
|
bool drm_get_encoder(int fd)
|
|
{
|
|
unsigned i;
|
|
|
|
for (i = 0; i < g_drm_resources->count_encoders; i++)
|
|
{
|
|
g_drm_encoder = drmModeGetEncoder(fd, g_drm_resources->encoders[i]);
|
|
|
|
if (!g_drm_encoder)
|
|
continue;
|
|
|
|
if (g_drm_encoder->encoder_id == g_drm_connector->encoder_id)
|
|
break;
|
|
|
|
drmModeFreeEncoder(g_drm_encoder);
|
|
g_drm_encoder = NULL;
|
|
}
|
|
|
|
if (!g_drm_encoder)
|
|
{
|
|
RARCH_WARN("[DRM]: Couldn't find DRM encoder.\n");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void drm_free(void)
|
|
{
|
|
if (g_drm_encoder)
|
|
drmModeFreeEncoder(g_drm_encoder);
|
|
if (g_drm_connector)
|
|
drmModeFreeConnector(g_drm_connector);
|
|
if (g_drm_resources)
|
|
drmModeFreeResources(g_drm_resources);
|
|
|
|
}
|