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ecore_drm2: Start on code to add Display Modes

This commit is contained in:
Christopher Michael 2022-09-20 12:26:45 -04:00
parent aa64d0f37c
commit 1e2517cf07
2 changed files with 67 additions and 2 deletions
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67
src/lib/ecore_drm2/ecore_drm2_displays.c
View File

@ -217,6 +217,68 @@ _ecore_drm2_display_backlight_get(Ecore_Drm2_Display *disp)
eina_stringshare_del(dev);
}
static Ecore_Drm2_Display_Mode *
_ecore_drm2_display_mode_create(const drmModeModeInfo *info)
{
Ecore_Drm2_Display_Mode *mode;
uint64_t refresh;
EINA_SAFETY_ON_NULL_RETURN_VAL(info, NULL);
EINA_SAFETY_ON_FALSE_RETURN_VAL((info->htotal > 0), NULL);
EINA_SAFETY_ON_FALSE_RETURN_VAL((info->vtotal > 0), NULL);
mode = calloc(1, sizeof(Ecore_Drm2_Display_Mode));
if (!mode) return NULL;
mode->flags = 0;
mode->width = info->hdisplay;
mode->height = info->vdisplay;
refresh = (info->clock * 1000LL / info->htotal + info->vtotal / 2) /
info->vtotal;
if (info->flags & DRM_MODE_FLAG_INTERLACE)
refresh *= 2;
if (info->flags & DRM_MODE_FLAG_DBLSCAN)
refresh /= 2;
if (info->vscan > 1)
refresh /= info->vscan;
mode->refresh = refresh;
mode->info = *info;
if (info->type & DRM_MODE_TYPE_PREFERRED)
mode->flags |= DRM_MODE_TYPE_PREFERRED;
return mode;
}
static void
_ecore_drm2_display_modes_get(Ecore_Drm2_Display *disp)
{
int i = 0;
drmModeModeInfo crtc_mode;
Ecore_Drm2_Display_Mode *dmode;
memset(&crtc_mode, 0, sizeof(crtc_mode));
if (disp->crtc->dcrtc->mode_valid)
crtc_mode = disp->crtc->dcrtc->mode;
/* loop through connector modes and try to create mode */
for (; i < disp->conn->conn->count_modes; i++)
{
dmode =
_ecore_drm2_display_mode_create(&disp->conn->conn->modes[i]);
if (!dmode) continue;
/* append mode to display mode list */
disp->modes = eina_list_append(disp->modes, dmode);
}
/* TODO: select current mode */
}
static void
_ecore_drm2_display_state_fill(Ecore_Drm2_Display *disp)
{
@ -265,10 +327,11 @@ _ecore_drm2_display_state_fill(Ecore_Drm2_Display *disp)
/* get backlight values */
_ecore_drm2_display_backlight_get(disp);
/* TODO: create 'modes' */
/* get available display modes */
_ecore_drm2_display_modes_get(disp);
/* get gamma from crtc */
disp->gamma = display->crtc->dcrtc->gamma_size;
disp->gamma = disp->crtc->dcrtc->gamma_size;
/* get connected state */
disp->connected = (disp->conn->conn->connection == DRM_MODE_CONNECTED);

2
src/lib/ecore_drm2/ecore_drm2_private.h
View File

@ -201,6 +201,8 @@ struct _Ecore_Drm2_Display
Ecore_Drm2_Crtc *crtc;
Ecore_Drm2_Connector *conn;
Eina_List *modes;
Ecore_Thread *thread;
Eina_Bool primary : 1;