int
FB_VideoInit(_THIS)
{
SDL_VideoDisplay display;
SDL_DisplayMode current_mode;
SDL_zero(current_mode);
/* XXX: Hardcoded for now */
current_mode.w = 320;
current_mode.h = 240;
current_mode.refresh_rate = 60;
current_mode.format = SDL_PIXELFORMAT_RGB565;
SDL_zero(display);
display.desktop_mode = current_mode;
display.current_mode = current_mode;
SDL_AddVideoDisplay(&display);
#ifdef SDL_INPUT_LINUXEV
SDL_EVDEV_Init();
#endif
return 1;
}
int
VIVANTE_VideoInit(_THIS)
{
SDL_VideoData *videodata = (SDL_VideoData *)_this->driverdata;
#if SDL_VIDEO_DRIVER_VIVANTE_VDK
videodata->vdk_private = vdkInitialize();
if (!videodata->vdk_private) {
return SDL_SetError("vdkInitialize() failed");
}
#else
videodata->egl_handle = SDL_LoadObject("libEGL.so.1");
if (!videodata->egl_handle) {
videodata->egl_handle = SDL_LoadObject("libEGL.so");
if (!videodata->egl_handle) {
return -1;
}
}
#define LOAD_FUNC(NAME) \
videodata->NAME = SDL_LoadFunction(videodata->egl_handle, #NAME); \
if (!videodata->NAME) return -1;
LOAD_FUNC(fbGetDisplay);
LOAD_FUNC(fbGetDisplayByIndex);
LOAD_FUNC(fbGetDisplayGeometry);
LOAD_FUNC(fbGetDisplayInfo);
LOAD_FUNC(fbDestroyDisplay);
LOAD_FUNC(fbCreateWindow);
LOAD_FUNC(fbGetWindowGeometry);
LOAD_FUNC(fbGetWindowInfo);
LOAD_FUNC(fbDestroyWindow);
#endif
if (VIVANTE_SetupPlatform(_this) < 0) {
return -1;
}
if (VIVANTE_AddVideoDisplays(_this) < 0) {
return -1;
}
VIVANTE_UpdateDisplayScale(_this);
#ifdef SDL_INPUT_LINUXEV
if (SDL_EVDEV_Init() < 0) {
return -1;
}
#endif
return 0;
}
int
RPI_VideoInit(_THIS)
{
SDL_VideoDisplay display;
SDL_DisplayMode current_mode;
SDL_DisplayData *data;
uint32_t w,h;
/* Initialize BCM Host */
bcm_host_init();
SDL_zero(current_mode);
if (graphics_get_display_size( 0, &w, &h) < 0) {
return -1;
}
current_mode.w = w;
current_mode.h = h;
/* FIXME: Is there a way to tell the actual refresh rate? */
current_mode.refresh_rate = 60;
/* 32 bpp for default */
current_mode.format = SDL_PIXELFORMAT_ABGR8888;
current_mode.driverdata = NULL;
SDL_zero(display);
display.desktop_mode = current_mode;
display.current_mode = current_mode;
/* Allocate display internal data */
data = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
if (data == NULL) {
return SDL_OutOfMemory();
}
data->dispman_display = vc_dispmanx_display_open( 0 /* LCD */);
display.driverdata = data;
SDL_AddVideoDisplay(&display);
#ifdef SDL_INPUT_LINUXEV
SDL_EVDEV_Init();
#endif
RPI_InitMouse(_this);
return 1;
}
int
KMSDRM_VideoInit(_THIS)
{
int i;
int ret = 0;
char *devname;
SDL_VideoData *vdata = ((SDL_VideoData *)_this->driverdata);
drmModeRes *resources = NULL;
drmModeConnector *connector = NULL;
drmModeEncoder *encoder = NULL;
SDL_DisplayMode current_mode;
SDL_VideoDisplay display;
/* Allocate display internal data */
SDL_DisplayData *data = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
if (data == NULL) {
return SDL_OutOfMemory();
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "KMSDRM_VideoInit()");
/* Open /dev/dri/cardNN */
devname = (char *) SDL_calloc(1, 16);
if (devname == NULL) {
ret = SDL_OutOfMemory();
goto cleanup;
}
SDL_snprintf(devname, 16, "/dev/dri/card%d", vdata->devindex);
vdata->drm_fd = open(devname, O_RDWR | O_CLOEXEC);
SDL_free(devname);
if (vdata->drm_fd < 0) {
ret = SDL_SetError("Could not open /dev/dri/card%d.", vdata->devindex);
goto cleanup;
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Opened DRM FD (%d)", vdata->drm_fd);
vdata->gbm = KMSDRM_gbm_create_device(vdata->drm_fd);
if (vdata->gbm == NULL) {
ret = SDL_SetError("Couldn't create gbm device.");
goto cleanup;
}
/* Find the first available connector with modes */
resources = KMSDRM_drmModeGetResources(vdata->drm_fd);
if (!resources) {
ret = SDL_SetError("drmModeGetResources(%d) failed", vdata->drm_fd);
goto cleanup;
}
for (i = 0; i < resources->count_connectors; i++) {
connector = KMSDRM_drmModeGetConnector(vdata->drm_fd, resources->connectors[i]);
if (connector == NULL)
continue;
if (connector->connection == DRM_MODE_CONNECTED &&
connector->count_modes > 0) {
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Found connector %d with %d modes.",
connector->connector_id, connector->count_modes);
vdata->saved_conn_id = connector->connector_id;
break;
}
KMSDRM_drmModeFreeConnector(connector);
connector = NULL;
}
if (i == resources->count_connectors) {
ret = SDL_SetError("No currently active connector found.");
goto cleanup;
}
for (i = 0; i < resources->count_encoders; i++) {
encoder = KMSDRM_drmModeGetEncoder(vdata->drm_fd, resources->encoders[i]);
if (encoder == NULL)
continue;
if (encoder->encoder_id == connector->encoder_id) {
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Found encoder %d.", encoder->encoder_id);
data->encoder_id = encoder->encoder_id;
break;
}
KMSDRM_drmModeFreeEncoder(encoder);
encoder = NULL;
}
if (i == resources->count_encoders) {
ret = SDL_SetError("No connected encoder found.");
goto cleanup;
}
vdata->saved_crtc = KMSDRM_drmModeGetCrtc(vdata->drm_fd, encoder->crtc_id);
if (vdata->saved_crtc == NULL) {
ret = SDL_SetError("No CRTC found.");
goto cleanup;
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Saved crtc_id %u, fb_id %u, (%u,%u), %ux%u",
vdata->saved_crtc->crtc_id, vdata->saved_crtc->buffer_id, vdata->saved_crtc->x,
vdata->saved_crtc->y, vdata->saved_crtc->width, vdata->saved_crtc->height);
data->crtc_id = encoder->crtc_id;
data->cur_mode = vdata->saved_crtc->mode;
vdata->crtc_id = encoder->crtc_id;
SDL_zero(current_mode);
current_mode.w = vdata->saved_crtc->mode.hdisplay;
current_mode.h = vdata->saved_crtc->mode.vdisplay;
current_mode.refresh_rate = vdata->saved_crtc->mode.vrefresh;
/* FIXME ?
drmModeFB *fb = drmModeGetFB(vdata->drm_fd, vdata->saved_crtc->buffer_id);
current_mode.format = drmToSDLPixelFormat(fb->bpp, fb->depth);
drmModeFreeFB(fb);
*/
current_mode.format = SDL_PIXELFORMAT_ARGB8888;
current_mode.driverdata = NULL;
SDL_zero(display);
display.desktop_mode = current_mode;
display.current_mode = current_mode;
display.driverdata = data;
/* SDL_VideoQuit will later SDL_free(display.driverdata) */
SDL_AddVideoDisplay(&display);
/* Setup page flip handler */
vdata->drm_pollfd.fd = vdata->drm_fd;
vdata->drm_pollfd.events = POLLIN;
vdata->drm_evctx.version = DRM_EVENT_CONTEXT_VERSION;
vdata->drm_evctx.page_flip_handler = KMSDRM_FlipHandler;
#ifdef SDL_INPUT_LINUXEV
SDL_EVDEV_Init();
#endif
KMSDRM_InitMouse(_this);
cleanup:
if (encoder != NULL)
KMSDRM_drmModeFreeEncoder(encoder);
if (connector != NULL)
KMSDRM_drmModeFreeConnector(connector);
if (resources != NULL)
KMSDRM_drmModeFreeResources(resources);
if (ret != 0) {
/* Error (complete) cleanup */
SDL_free(data);
if(vdata->saved_crtc != NULL) {
KMSDRM_drmModeFreeCrtc(vdata->saved_crtc);
vdata->saved_crtc = NULL;
}
if (vdata->gbm != NULL) {
KMSDRM_gbm_device_destroy(vdata->gbm);
vdata->gbm = NULL;
}
if (vdata->drm_fd >= 0) {
close(vdata->drm_fd);
vdata->drm_fd = -1;
}
}
return ret;
}
