[PATCH] Make RDP backend supports arbitrary modes

Kristian Høgsberg hoegsberg at gmail.com
Tue Apr 1 16:29:02 PDT 2014


On Tue, Mar 18, 2014 at 06:15:54PM +0100, Hardening wrote:
> This patch removes the extra modes parameter for the RDP compositor. And
> make it support any mode that is requested (be aware that RDP client may not
> support all possible modes, especially odd resolution).
> This is definitely useful for the fullscreen shell.

Patch committed.

Kristian

> ---
>  src/compositor-rdp.c | 105 +++++++++++++++++++--------------------------------
>  src/compositor.c     |   1 -
>  2 files changed, 38 insertions(+), 68 deletions(-)
> 
> diff --git a/src/compositor-rdp.c b/src/compositor-rdp.c
> index e8e4a8d..22380cb 100644
> --- a/src/compositor-rdp.c
> +++ b/src/compositor-rdp.c
> @@ -49,6 +49,7 @@
>  
>  #define MAX_FREERDP_FDS 32
>  #define DEFAULT_AXIS_STEP_DISTANCE wl_fixed_from_int(10)
> +#define RDP_MODE_FREQ 60 * 1000
>  
>  struct rdp_compositor_config {
>  	int width;
> @@ -58,7 +59,6 @@ struct rdp_compositor_config {
>  	char *rdp_key;
>  	char *server_cert;
>  	char *server_key;
> -	char *extra_modes;
>  	int env_socket;
>  };
>  
> @@ -121,7 +121,6 @@ rdp_compositor_config_init(struct rdp_compositor_config *config) {
>  	config->rdp_key = NULL;
>  	config->server_cert = NULL;
>  	config->server_key = NULL;
> -	config->extra_modes = NULL;
>  	config->env_socket = 0;
>  }
>  
> @@ -320,11 +319,13 @@ rdp_output_repaint(struct weston_output *output_base, pixman_region32_t *damage)
>  	pixman_renderer_output_set_buffer(output_base, output->shadow_surface);
>  	ec->renderer->repaint_output(&output->base, damage);
>  
> -	wl_list_for_each(outputPeer, &output->peers, link) {
> -		if ((outputPeer->flags & RDP_PEER_ACTIVATED) &&
> -				(outputPeer->flags & RDP_PEER_OUTPUT_ENABLED))
> -		{
> -			rdp_peer_refresh_region(damage, outputPeer->peer);
> +	if (pixman_region32_n_rects(damage)) {
> +		wl_list_for_each(outputPeer, &output->peers, link) {
> +			if ((outputPeer->flags & RDP_PEER_ACTIVATED) &&
> +					(outputPeer->flags & RDP_PEER_OUTPUT_ENABLED))
> +			{
> +				rdp_peer_refresh_region(damage, outputPeer->peer);
> +			}
>  		}
>  	}
>  
> @@ -352,16 +353,29 @@ finish_frame_handler(void *data)
>  	return 1;
>  }
>  
> +static struct weston_mode *
> +rdp_insert_new_mode(struct weston_output *output, int width, int height, int rate) {
> +	struct weston_mode *ret;
> +	ret = zalloc(sizeof *ret);
> +	if(!ret)
> +		return ret;
> +	ret->width = width;
> +	ret->height = height;
> +	ret->refresh = rate;
> +	wl_list_insert(&output->mode_list, &ret->link);
> +	return ret;
> +}
>  
>  static struct weston_mode *
> -find_matching_mode(struct weston_output *output, struct weston_mode *target) {
> +ensure_matching_mode(struct weston_output *output, struct weston_mode *target) {
>  	struct weston_mode *local;
>  
>  	wl_list_for_each(local, &output->mode_list, link) {
>  		if((local->width == target->width) && (local->height == target->height))
>  			return local;
>  	}
> -	return 0;
> +
> +	return rdp_insert_new_mode(output, target->width, target->height, RDP_MODE_FREQ);
>  }
>  
>  static int
> @@ -372,7 +386,7 @@ rdp_switch_mode(struct weston_output *output, struct weston_mode *target_mode) {
>  	pixman_image_t *new_shadow_buffer;
>  	struct weston_mode *local_mode;
>  
> -	local_mode = find_matching_mode(output, target_mode);
> +	local_mode = ensure_matching_mode(output, target_mode);
>  	if(!local_mode) {
>  		weston_log("mode %dx%d not available\n", target_mode->width, target_mode->height);
>  		return -ENOENT;
> @@ -398,6 +412,9 @@ rdp_switch_mode(struct weston_output *output, struct weston_mode *target_mode) {
>  
>  	wl_list_for_each(rdpPeer, &rdpOutput->peers, link) {
>  		settings = rdpPeer->peer->settings;
> +		if (settings->DesktopWidth == target_mode->width && settings->DesktopHeight == target_mode->height)
> +			continue;
> +
>  		if(!settings->DesktopResize) {
>  			/* too bad this peer does not support desktop resize */
>  			rdpPeer->peer->Close(rdpPeer->peer);
> @@ -411,49 +428,12 @@ rdp_switch_mode(struct weston_output *output, struct weston_mode *target_mode) {
>  }
>  
>  static int
> -parse_extra_modes(const char *modes_str, struct rdp_output *output) {
> -	const char *startAt = modes_str;
> -	const char *nextPos;
> -	int w, h;
> -	struct weston_mode *mode;
> -
> -	while(startAt && *startAt) {
> -		nextPos = strchr(startAt, 'x');
> -		if(!nextPos)
> -			return -1;
> -
> -		w = strtoul(startAt, NULL, 0);
> -		startAt = nextPos + 1;
> -		if(!*startAt)
> -			return -1;
> -
> -		h = strtoul(startAt, NULL, 0);
> -
> -		if(!w || (w > 3000) || !h || (h > 3000))
> -			return -1;
> -		mode = malloc(sizeof *mode);
> -		if(!mode)
> -			return -1;
> -
> -		mode->width = w;
> -		mode->height = h;
> -		mode->refresh = 5;
> -		mode->flags = 0;
> -		wl_list_insert(&output->base.mode_list, &mode->link);
> -
> -		startAt = strchr(startAt, ',');
> -		if(startAt && *startAt == ',')
> -			startAt++;
> -	}
> -	return 0;
> -}
> -static int
> -rdp_compositor_create_output(struct rdp_compositor *c, int width, int height,
> -		const char *extraModes)
> +rdp_compositor_create_output(struct rdp_compositor *c, int width, int height)
>  {
>  	struct rdp_output *output;
>  	struct wl_event_loop *loop;
> -	struct weston_mode *currentMode, *next;
> +	struct weston_mode *currentMode;
> +	struct weston_mode initMode;
>  
>  	output = zalloc(sizeof *output);
>  	if (output == NULL)
> @@ -462,19 +442,14 @@ rdp_compositor_create_output(struct rdp_compositor *c, int width, int height,
>  	wl_list_init(&output->peers);
>  	wl_list_init(&output->base.mode_list);
>  
> -	currentMode = malloc(sizeof *currentMode);
> +	initMode.flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
> +	initMode.width = width;
> +	initMode.height = height;
> +	initMode.refresh = RDP_MODE_FREQ;
> +
> +	currentMode = ensure_matching_mode(&output->base, &initMode);
>  	if(!currentMode)
>  		goto out_free_output;
> -	currentMode->flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
> -	currentMode->width = width;
> -	currentMode->height = height;
> -	currentMode->refresh = 5;
> -	wl_list_insert(&output->base.mode_list, &currentMode->link);
> -
> -	if(parse_extra_modes(extraModes, output) < 0) {
> -		weston_log("invalid extra modes\n");
> -		goto out_free_output_and_modes;
> -	}
>  
>  	output->base.current_mode = output->base.native_mode = currentMode;
>  	weston_output_init(&output->base, &c->base, 0, 0, width, height,
> @@ -513,9 +488,6 @@ out_shadow_surface:
>  	pixman_image_unref(output->shadow_surface);
>  out_output:
>  	weston_output_destroy(&output->base);
> -out_free_output_and_modes:
> -	wl_list_for_each_safe(currentMode, next, &output->base.mode_list, link)
> -		free(currentMode);
>  out_free_output:
>  	free(output);
>  	return -1;
> @@ -704,7 +676,7 @@ xf_peer_post_connect(freerdp_peer* client)
>  		struct weston_mode *target_mode;
>  		new_mode.width = (int)settings->DesktopWidth;
>  		new_mode.height = (int)settings->DesktopHeight;
> -		target_mode = find_matching_mode(&output->base, &new_mode);
> +		target_mode = ensure_matching_mode(&output->base, &new_mode);
>  		if (!target_mode) {
>  			weston_log("client mode not found\n");
>  			return FALSE;
> @@ -1030,7 +1002,7 @@ rdp_compositor_create(struct wl_display *display,
>  	if (pixman_renderer_init(&c->base) < 0)
>  		goto err_compositor;
>  
> -	if (rdp_compositor_create_output(c, config->width, config->height, config->extra_modes) < 0)
> +	if (rdp_compositor_create_output(c, config->width, config->height) < 0)
>  		goto err_compositor;
>  
>  	if(!config->env_socket) {
> @@ -1093,7 +1065,6 @@ backend_init(struct wl_display *display, int *argc, char *argv[],
>  		{ WESTON_OPTION_BOOLEAN, "env-socket", 0, &config.env_socket },
>  		{ WESTON_OPTION_INTEGER, "width", 0, &config.width },
>  		{ WESTON_OPTION_INTEGER, "height", 0, &config.height },
> -		{ WESTON_OPTION_STRING,  "extra-modes", 0, &config.extra_modes },
>  		{ WESTON_OPTION_STRING,  "address", 0, &config.bind_address },
>  		{ WESTON_OPTION_INTEGER, "port", 0, &config.port },
>  		{ WESTON_OPTION_STRING,  "rdp4-key", 0, &config.rdp_key },
> diff --git a/src/compositor.c b/src/compositor.c
> index 7c29d51..803cda6 100644
> --- a/src/compositor.c
> +++ b/src/compositor.c
> @@ -3972,7 +3972,6 @@ usage(int error_code)
>         "Options for rdp-backend.so:\n\n"
>         "  --width=WIDTH\t\tWidth of desktop\n"
>         "  --height=HEIGHT\tHeight of desktop\n"
> -       "  --extra-modes=MODES\t\n"
>         "  --env-socket=SOCKET\tUse that socket as peer connection\n"
>         "  --address=ADDR\tThe address to bind\n"
>         "  --port=PORT\tThe port to listen on\n"
> -- 
> 1.8.1.2
> 
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> wayland-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/wayland-devel


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