mirror/RetroArch
1
0
Fork 0
mirror of https://github.com/libretro/RetroArch synced 2025-01-30 12:32:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

(KMS/DRM) correctly handle custom modes polarity, implement aspect ratio support from hdmi_timings

Browse Source
This commit is contained in:
cpasjuste 2020-11-18 15:21:03 +01:00
parent 0082806620
commit 485513ba61
1 changed files with 19 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
gfx/drivers_context/drm_ctx.c
View File

@ -139,15 +139,31 @@ static bool gfx_ctx_drm_timings_to_mode(const char *timings_str, drmModeModeInfo
modeInfo->hsync_start = modeInfo->hdisplay + timings.h_front_porch;
modeInfo->hsync_end = modeInfo->hsync_start + timings.h_sync_pulse;
modeInfo->htotal = modeInfo->hsync_end + timings.h_back_porch;
modeInfo->hskew = 0; // TODO: ??
modeInfo->hskew = 0;
modeInfo->vdisplay = timings.v_active_lines;
modeInfo->vsync_start = modeInfo->vdisplay + (timings.v_front_porch * (timings.interlaced ? 2 : 1));
modeInfo->vsync_end = modeInfo->vsync_start + (timings.v_sync_pulse * (timings.interlaced ? 2 : 1));
modeInfo->vtotal = modeInfo->vsync_end + (timings.v_back_porch * (timings.interlaced ? 2 : 1));
modeInfo->vscan = 0; // TODO: ??
modeInfo->vrefresh = timings.frame_rate;
modeInfo->flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC
| (timings.interlaced ? DRM_MODE_FLAG_INTERLACE : 0);
modeInfo->flags = timings.interlaced ? DRM_MODE_FLAG_INTERLACE : 0;
modeInfo->flags |= timings.v_sync_polarity ? DRM_MODE_FLAG_NVSYNC : DRM_MODE_FLAG_PVSYNC;
modeInfo->flags |= timings.h_sync_polarity ? DRM_MODE_FLAG_NHSYNC : DRM_MODE_FLAG_PHSYNC;
switch(timings.aspect_ratio)
{
case 1:
modeInfo->flags |= DRM_MODE_FLAG_PIC_AR_4_3;
break;
case 3:
modeInfo->flags |= DRM_MODE_FLAG_PIC_AR_16_9;
break;
case 8:
modeInfo->flags |= DRM_MODE_FLAG_PIC_AR_64_27;
break;
default:
modeInfo->flags |= DRM_MODE_FLAG_PIC_AR_NONE;
break;
}
modeInfo->type = 0;
snprintf(modeInfo->name, DRM_DISPLAY_MODE_LEN, "CRT_%ux%u_%u",
modeInfo->hdisplay, modeInfo->vdisplay, modeInfo->vrefresh);