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https://github.com/libretro/RetroArch.git
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fc69e73dcf
mode->vrefresh is a display-only value and should not be used for calculations the drm context is now able to differentiate between, for example, 640x480@60.00 and 640x480@59.92 when setting the video mode
85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (c) 2011-2017 - 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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#ifndef __DRM_COMMON_H
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#define __DRM_COMMON_H
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#include <stdint.h>
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#include <stddef.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <poll.h>
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#include <boolean.h>
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#include <retro_common_api.h>
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#include <retro_inline.h>
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#include "../../retroarch.h"
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RETRO_BEGIN_DECLS
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extern uint32_t g_connector_id;
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extern int g_drm_fd;
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extern uint32_t g_crtc_id;
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extern struct pollfd g_drm_fds;
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extern drmModeConnector *g_drm_connector;
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extern drmModeModeInfo *g_drm_mode;
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extern drmModeCrtc *g_orig_crtc;
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extern drmEventContext g_drm_evctx;
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float drm_calc_refresh_rate(drmModeModeInfo *mode);
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bool drm_get_encoder(int fd);
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/* Restore the original CRTC. */
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void drm_restore_crtc(void);
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bool drm_get_resources(int fd);
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void drm_setup(int fd);
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void drm_free(void);
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bool drm_get_connector(int fd, unsigned monitor_index);
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float drm_get_refresh_rate(void *data);
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static INLINE bool drm_wait_flip(int timeout)
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{
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g_drm_fds.revents = 0;
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if (poll(&g_drm_fds, 1, timeout) < 0)
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return false;
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if (g_drm_fds.revents & (POLLHUP | POLLERR))
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return false;
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if (g_drm_fds.revents & POLLIN)
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{
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drmHandleEvent(g_drm_fd, &g_drm_evctx);
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return true;
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}
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return false;
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}
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RETRO_END_DECLS
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#endif
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