mirror of
https://github.com/libretro/RetroArch
synced 2025-02-04 21:40:02 +00:00
88 lines
2.1 KiB
C
88 lines
2.1 KiB
C
/* RetroArch - A frontend for libretro.
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* copyright (c) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../../verbosity.h"
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#include "drm_common.h"
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uint32_t g_connector_id;
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int g_drm_fd;
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uint32_t g_crtc_id;
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drmModeCrtc *g_orig_crtc;
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struct pollfd g_drm_fds;
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drmModeRes *g_drm_resources;
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drmModeConnector *g_drm_connector;
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drmModeEncoder *g_drm_encoder;
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drmModeModeInfo *g_drm_mode;
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drmEventContext g_drm_evctx;
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/* Restore the original CRTC. */
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void drm_restore_crtc(void)
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{
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if (!g_orig_crtc)
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return;
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drmModeSetCrtc(g_drm_fd, g_orig_crtc->crtc_id,
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g_orig_crtc->buffer_id,
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g_orig_crtc->x,
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g_orig_crtc->y,
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&g_connector_id, 1, &g_orig_crtc->mode);
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drmModeFreeCrtc(g_orig_crtc);
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g_orig_crtc = NULL;
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}
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bool drm_get_encoder(int fd)
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{
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unsigned i;
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for (i = 0; i < g_drm_resources->count_encoders; i++)
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{
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g_drm_encoder = drmModeGetEncoder(fd, g_drm_resources->encoders[i]);
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if (!g_drm_encoder)
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continue;
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if (g_drm_encoder->encoder_id == g_drm_connector->encoder_id)
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break;
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drmModeFreeEncoder(g_drm_encoder);
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g_drm_encoder = NULL;
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}
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if (!g_drm_encoder)
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{
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RARCH_WARN("[DRM]: Couldn't find DRM encoder.\n");
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return false;
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}
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return true;
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}
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void drm_free(void)
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{
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if (g_drm_encoder)
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drmModeFreeEncoder(g_drm_encoder);
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if (g_drm_connector)
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drmModeFreeConnector(g_drm_connector);
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if (g_drm_resources)
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drmModeFreeResources(g_drm_resources);
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}
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