The Storyboard product ships with a standard set of plugins which add functionality to the system. Plugins are loaded based on the SB_PLUGINS environment variable. This variable can be a directory where all plugins are loaded from or a “;” separated list of plugins. Some plugins have options that can be passed via the command line to the plugin. To pass on option to a plugin use the -o option to sbengine in this format:
sbengine [[-oplugin_name,plugin_option[[,plugin_option2,...]]] your_app.gapp
Table 10. Plugin Options
PLUGIN OPTION |
DESCRIPTION |
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Plugin Name: io_mgr (-oio_mgr,...) |
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no_compression |
Disable event compression in the event queue. By default Storyboard will compress gre.motion and gre.mtevent events in order to reduce input lag and flooding of the event queue with motion events. Disable compression to receive a higher fidelity stream of motion events from Storyboard. |
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queue_size=[size] |
4096 will limit the event queue size to a maximum of 4K for example. If the queue exceeds this size, events will be dropped and diagnostic messages will be logged regarding the dropped events. The default behavior is to have an unlimited event queue size. |
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Plugin Name: model_mgr (-omodel_mgr,...) |
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block_sbio_sends=[0|1] |
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fps=[integer] |
Limits the frame rate for all animations to a maximum fps specified (25 for example). |
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mem_stats=1 |
On platforms where process/task memory usage or heap allocator memory usage values are available, report them as performance log metrics. The value should be set to 1 to enable the reporting of the memory statistics at app initialization and at application termination. Future values are reserved. If the metrics plugin is present and this option is present and loaded then this option will also generate a cost estimate of the curent application's in-memory structure cost which can be used within Storyboard Designer to estimate the RAM footprint of the application at design time. |
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plugin_path=[path] |
Sets the plugin path to the specified directory (/temp for example). This setting overrides the SB_PLUGINS environment variable setting. |
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scroll_drag_px |
The number of pixels that need to be moved before a scrollable container considers this a scroll operation (default 10). |
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scroll_bounce_ms |
The number of milliseconds that the bounce operation on a scrollable container should animate once the bounce back is operation is started (default 200ms). |
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scroll_bounce_rate |
The animation rate that should be used on a scrollable container for bounce back animations (default easein). |
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Plugin Name: font_mgr (-ofont_mgr,...) |
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linegap=[0|1] |
This option controls if the Storyboard Engine includes the line gap information (linegap=1 default) when positioning text for rendering or if it only includes the ascender information (linegap=0). The default value is to include the linegap information. |
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Plugin Name: render_mgr (-orender_mgr,...) |
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x=[xpos] |
This will position the application at the defined x-position. |
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y=[ypos] |
This will position the application at the defined y-position. |
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sysdpi |
This will enable the window upscaling performed by Windows according to the system DPI setting. PLATFORM: Windows, OpenGL, swrender, x86 |
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num_buffers=[n] |
The number of display framebuffers to use for each layer. PLATFORM: OpenGL, swrender |
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dblbuffer |
Enable double buffering (fullscreen redraws) PLATFORM: Linux, x86, armle, swrender |
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display=[index] |
Connect to the given display index, this option is only available for the QNX Screen OpenGL and software render managers or the Linux i.MX6 OpenGL render manager where the value is the selected framebuffer index. |
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fb=[x] |
This option pertains specifically to iMX6 hardware platforms. Starting at 0, x defines the framebuffer number to render to. PLATFORM: Linux, swrender |
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fullscreen |
Run in fullscreen mode. |
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rotate=[90|180|270] |
Rotate the application by the defined angle. PLATFORM: Windows CE 2013, macOS, Linux, QNX, x86, armle, OpenGL, swrender |
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rle_blit=[x] |
Decode RLE compressed images directly to framebuffer surface memory in order to remove need for temporary decode buffer. Only available for 32 bits per pixel source images with No Scaling and No Rotation. This option pertains to swrender on RTExec platforms. Set x = 1 (default) to enable RLE blit; x = 0 is not enabled. PLATFORM: armle, RTExec, Storyboard Lite, swrender |
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quality=[0|1|2] |
Visual fidelity of image rotation rendering. A value of 0 emphasizes speed at the cost of visually fidelity. A value of 2 provides the highest visual fidelity, with a potential impact on performance. The default value is set to 1. |
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dumpconfig |
Dump the layer and graphics configuration information at startup. PLATFORM: Linux, x86, armle, swrender |
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double |
Enable double buffering (fullscreen redraws) PLATFORM: Linux, x86, armle, swrender |
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layer=[index] |
Set the directfb layer index that content will render to (default=0) PLATFORM: Linux, x86, armle, swrender |
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multisample=[value] |
Indicates the degree of multisampling which affects the visual smoothness of edges. For example, a value of 4 would be 4x multisampling while 0 would be no multisampling. By default, this value is set dynamically based on the model content that is being interpreted in order to provide the best balance between high performance and high quality rendering. If your model contains 3D models, polygons or circles then multi-sampling is turned on to a level of 4, otherwise it is off. The command line option setting will override the default probing and ensure a fixed value. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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vbo |
Enables the use of vertex buffer objects. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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scale=[aspect] |
Scale the application to the physical display size. If aspect is passed the application will retain the proper aspect ratio when scaled. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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backbuffer |
Render the scene using a damage rectangle. On some OpenGL ES implementations this will give better performance but will use more memory as it has to allocate a separate display buffer. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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npot |
Disable power-of-two texture allocations. By default the OpenGL ES API is queried to check for NPOT texture support. This option can be used to override this behavior and force support. NPOT textures will use less memory for image data. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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fontsize=[size] |
Specify the size of the font texture sheet. Fonts are generated into sheets and the default size is 512x512. The number of glyphs put into the sheet is a function of the point size and the texture size. This option can be used to tune the number of available glyphs and the memory usage. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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window_w=[w] |
Scale the application content and window to the specified width. This option is only valid on desktop systems which use a window manager. This option must be used along with 'window_h' PLATFORM: Windows, Windows CE 2013, macOS, Linux, QNX, x86, armle, OpenGL |
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window_h=[h] |
Scale the application content and window to the specified height. This option is only valid on desktop systems which use a window manager. This option must be used along with 'window_w' PLATFORM: Windows, Windows CE 2013, macOS, Linux, QNX, x86, armle, OpenGL |
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pixel_format=[rgb565|rgb888|argb8888] |
Override the application's pixel format. This option is specific to the Linux fbdev render manager. PLATFORM: Linux, swrender |
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linejoin=[0|1] |
Set line join style for path drawing, drawing joins can have a performance impact on frame rate. 0=none, 1=round (default=1) PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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clipmode=[stencil|scissor] |
Set the clipping mode to use, may have performance impacts. Each implementation defaults to the best performance. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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error_event |
An error event is generated for OpenGL render errors. Image and font errors will identify the image and font related to the error. |
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display=[index] |
Connect to the given display index, this option is only available for the QNX Screen OpenGL render manager or the Linux i.MX6 OpenGL render manager where the value is the selected framebuffer index. |
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zorder=[z] |
When using the QNX Screen engine this will position the application window at the defined Z index. |
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clearcolor=[color] |
Specify the clear color to be used for the Window Surface. The color format is ARGB and specified in hexadecimal. The default clear color is 0x00000000. This option can be used for debugging purposes. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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image_block_size=[number] |
This specifies the memory size of the shared blocks that are used within the image cache. These settings override the generic block_size setting that is used generically for the atlas and are bound by the -oresource_mgr,image setting. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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font_block_size=[number] |
This specifies the memory size of the shared blocks that are used within the font glpyh cache. These settings override the generic block_size setting that is used generically for the atlas and are bound by the -oresource_mgr,font setting. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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block_size=[-1|0|>0] |
Specify how block size should be determined for growing the image atlas. For -1, a degenerate block size will be used, forcing block size to that of a single image. For 0, the block size is rounded up to the nearest power of two for an image's dimensions. For any value greater than zero, block allocations will be rounded up to the size specified. (default=1024) PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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surface_cache=[-1(default)|0|>0] |
Specify the surface cache control. For -1, the surface cache will grow unbounded (default). For 0, the surface cache will be disabled. For any value greater than zero, it will be used as the upper limit on the number of surfaces in the surface cache. PLATFORM: Windows CE 2013, macOS, Linux, QNX, armle, OpenGL |
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mainlayer=[number] |
The main layer to use for rendering, defaults to layer 0 PLATFORM: Linux, QNX, armle |
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dumpcaps |
Print the device capabilities and acceleration flags. PLATFORM: Windows CE 2013, armle |
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nohwcursor |
Disables the HW cursor. PLATFORM: Windows CE 2013, armle |
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swapinterval=[>=0] |
The minimum number of VSYNC periods per buffer swap. Running with 0 can improve performance but can cause display tearing. (default 1) PLATFORM: OpenGL |
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Plugin Name: resource_mgr (-oresource_mgr,...) |
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error=[0|1] |
When a resource error is encountered a diagnostic message is generated. This option controls if an event for the error is sent (1, default) or not sent (0). This option is currently only enabled for OpenGL render managers. |
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font=[number] |
Similar to the |
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image=[number] |
This will set the maximium number of bytes in the image cache. After the cache is full, the behaviour for allocations is controlled via the |
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image_oom=[fail|lru] |
This sets the behaviour when the maximum value of the image cache is reached. If this is set to the value |
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Plugin Name: screen_mgr (-oscreen_mgr,...) |
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dl=[1] |
Disable the use of a particular hardware layer. |
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fps |
Display the frames per second of the display updates in the Storyboard Engine console output and also set the |
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overlay |
Allow the application to be run as an overlay and show the content below. This only functions on particular render managers and if the application has a transparent background. |
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redraw_complete |
Generate an event each time a redraw is processed, including information about whether a display redraw was required and the area of the display redrawn. |
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swcursor |
Enables the rendering of a software cursor. |
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cached_transitions |
This option hints to screen transition plugins that they should favor using cached surfaces to perform screen transitions rather than re-rendering each of the screens during a transition. While some screen transition plugins use this hint, some other plugins always use a cached transition. Since Storyboard 7.2 gra.screen.path and gra.screen.fade transitions will perform a live screen transition animation by default and will revert to their legacy behavior when this option is used. |
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Plugin Name: capture_playback (-ocapture_playback,...) / Shared Library: libgre-plugin-capture-playback |
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capture_events=[eventname] |
Capture option to define a custom list of events to capture. Multiple events can be specified by using the ":" character as a delimiter. |
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file=[filename] |
If "capture" is specified as the mode it indicates the contents of the file specified will be overwritten with the new event stream. If "playback" is specified then the contents of the file specified will be used as an event stream source. |
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loop=[count] |
A playback option that indicates how many times the playback should iterate through its content. The default is to playback the content once, otherwise if a |
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mode=[capture|playback] |
Specifies the behavior of the plugin for either playback or capture. If capture is specified then input events (gre.press, gre.release, gre.motion, gre.keypress etc) will be logged and stored in an ouptut file. If playback is specified then the contents of an input file are read and the input events are injected back into the application. |
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no_defaults |
Capture option to specify that there are no default events set to be captured. By default we capture the following events:
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quit_playback |
Playback option that indicates if a |
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verbosity |
Indicates that the plugin should log events that it is either capturing or playing back to the standard output. |
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Plugin Name: ccallback (-occallback,...) |
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path |
Point the ccallback plugin to a dynamic library (dll/so). Only applies to dynamically linked engines. On statically linked engines, this is not required. |
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Plugin Name: dev-input (-odev-input,...) / Shared Library: libgre-plugin-dev-input |
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kbd=[device] |
The name of the keyboard device, for example One of either the |
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mouse=[device] |
The name of the mouse device, for example One of either the |
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Plugin Name: gesture (-ogesture,...) / Shared Library: libgre-plugin-gesture |
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file=[filename] |
filename is a text file containing custom gesture definitions. When the gesture plugin is in 'auto' mode, the gesture plugin will determine if the application uses any of the custom gesture events and enable single touch events. |
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mode=[disabled|single|multi] |
By default, sbengine will search your application for use of any gesture events and gestures will be enbled as required. This behaviour can be overridden with any of the following mode options:
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threshold=[level] |
Specifying a level allows the user to configure the sensitivity level which determines if we translate a motion into a gesture event. By default the threshold is set to 100. |
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Plugin Name: gfi-input (-ogfi-input,...) / Shared Library: libgre-plugin-gfi-input |
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mouse=[device] |
The name of the mouse device, for example PLATFORM: QNX |
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rotate=[90|270] |
If specified, this indicates that the input co-ordinates should be rotated by 90 or 270 degrees. PLATFORM: QNX |
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By default the input system used the gfi interface based on the devi drivers. The devi driver must be run with the |
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Plugin Name: greio (-ogreio,...) / Shared Library: libgre-plugin-greio |
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channel=[name] |
The value specifies the name that the applications Storyboard IO channel will use. This name can then be used by In the case of a TCP channel, [name] needs to have a URI of "tcp://" followed by optional <ip address> and optional :<channel> or :<port number> |
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queue |
This flag indicates if the events on the Storyboard IO channel should be asynchronously queued into the application's message queue or if a new event should be added only after the last event has been processed. The default is to only have one event being processed by the application at a time. |
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Plugin Name: logger (-ologger,...) / Shared Library: libgre-plugin-logger CautionIn the Storyboard 7.0 release, performance analysis and metrics reporting were moved into their own plugins, libgre-plugin-trace and libgre-plugin-metrics. These plugins accept their own options, described below, and also accept options specified to the logger plugin, for example -ologger,perf=1. This functionality is considered deprecated and the options specified to the logger plugin will not be picked up by the trace and metrics plugins in a future release. It is strongly recommended to update any launching of the engine that passes trace and metrics options to the logger plugin to use the -otrace and -ometrics specifiers instead. |
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buffer=[bytes] |
This option will buffer all logging output to an allocated in-memory buffer and only flush the output when the buffer content is full. The number of bytes allocated for the buffer are provided by the option to the argument. If the buffer size is 0 or invalid, then 4K will be allocated for the buffer. |
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data |
This option enables the logging of data change events as they occur. The data key that has been changed is displayed to standard output. |
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event=[event_name] |
This option will enable the generation of a custom Storyboard event any time that an ERROR message is detected by the Storyboard Engine logging system. When the error is detected, an event "event_name" will be sent to the application and it will contain a payload of "1s0 msg" where the "msg" is the diagnostic string that would have been logged. |
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filter=[keyword] |
This option enables filtering of events based on the keyword provided. Multiple keywords can be specified. Filtered events are delimited by a ':'. sbengine -ologger,io,filter=gre.press:gre.release Each keyword can also be negated by the '^' symbol. Therefore we could ignore all motion events by passing in the following command: -ologger,io,filter=^gre.motion Filtering applies to the 'io' and 'data' options. If neither 'io' or 'data' options are specified, then this option does nothing. |
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io=[level] |
This option enables the logging of IO events in variable levels of verbosity. If no option is specified then the level will default to 1 and the event name and its size in bytes will be displayed. If 2 is specified then the format is displayed. If 3 is specified then the data payload will be dumped to the standard output in both hexadecimal and character formats. |
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logger_event_prefix=[prefix] |
This option specifies the prefix to use in the logger event names. This defaults to "logger". |
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output=[filename] |
This option specifies a path in the file system to direct the Storyboard standard output to. The directory path to the file must already exist.
Both A valid command would be: -ologger,output=/logs/log-%D-%T.txt, provided the /logs/ directory existed prior to runtime. |
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retailmsg |
The logger will output using RETAILMSG instead of sending output to stdio. PLATFORM: Windows CE 2013 |
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slogger=[opcode] |
This option specifies that sbengine should use the QNX system logging infrastructure. if no opcode is given, sbengine will provide an appropriate opcode. The opcode is a combination of a major and minor code. Create the opcode using the _SLOG_SETCODE(major, minor) macro that's defined in sys/slog.h. This option is only available for systems running QNX. |
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Plugin Name: lua (-olua,...) / Shared Library: libgre-plugin-lua |
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gc=[0|1] |
This option is used to minimize the runtime memory footprint of the Lua script engine by invoking the Lua garbage collector after every Lua action. By default this option is set to 0 indicating that garbage collection will occur at the natural points specified by Lua's |
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hold=[0|1|2] |
This option controls how Lua posts data manager change notifications. By default all changes are held until the end of script execution (1), except whenever a local event is sent through the |
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lazy_context=[0|1] |
This option controls if the context table passed to the Lua callback action is pre-populated with values (0 ) or is populated with values on-demand (1:default). By populating the values on demand a slight performance gain can be achieved for use cases where the action handler has all of the context for the required execution. |
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Plugin Name: metrics (-ometrics,...) / Shared Library: libgre-plugin-metrics NoteThese options can also be specified using -ologger, for backward compatibility |
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metrics_event_prefix=[prefix] |
This option specifies the prefix to use in the metrics event names. This defaults to metrics. |
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metrics_output=[0 | 1 | 2 | 3] |
This option tells the metrics portion of the logger plugin where to out the metrics data. 0 just updates the data, and this is the defualt, 1 is used to output the data to the log, 2 outputs the data to the performance log, if the perf option is also specified, and 3 will output the data to both the log and the performance log if the perf option is specified. |
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poll_metrics_interval=[ms] |
This option sets up a timer to fire at the interval specified by ms. When the timer fires the system metrics for memory, CPU and FPS will be updated. See metrics output to control where the metrics output will go. |
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string_pool_output_enable |
Enables the metrics plugin to support dumping of the string pool to either stdout or a provided file. |
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string_pool_output_file=[output file name] |
When specified, tells the metric plugin to dump the string pool content to the specified file. |
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Plugin Name: model3d (-omodel3d,...) / Shared Library: libgre-plugin-model3d |
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novbo |
Disable the use of vertex buffer objects, by default Vertex buffer objects are used for rendering. |
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Plugin Name: mtdev (-omtdev,...) / Shared Library: libgre-plugin-mtdev |
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bounds=[X1:Y1:X2:Y2] |
Where X1,Y1 is the top-left corner and X2,Y2 is the bottom-right corner of the touch screen device. On some screens, X1 may be less than X2 and Y1 may be less than Y2. |
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calibrate |
Puts mtdev into raw mode to be used in conjunction with the mtcalib application (See Crank Public SVN) to acquire the bounds parameters for screen calibration. Use the -omtdev,bounds option to pass the parameters to sbengine. |
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device=[path to touch device] |
Plugin for Linux Multi-Touch Protocol to be used with kernels supporting multi-touch events. |
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points=[integer] |
This is the number of multitouch fingers that is supported. Events will only be generated for this number of fingers in contact with the screen, the default is 5. |
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rotate=[0|90|180|270] |
Clockwise rotation of the touch input coordinates. This option is not often required. By default, mtdev plugin input will be rotated depending on the render manager configuration. The input transformation will be calculated by combining the specified rotation value and the render manager rotation. |
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threshold=[integer] |
This is the number of pixels a touch point has to move in order to generate a motion event, the default value is 1. |
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Plugin Name: trace (-otrace,...) / Shared Library: libgre-plugin-trace NoteThese options can also be specified using -ologger, for backward compatibility |
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perf |
This option enables the logging of performance data to the standard output (or file if If performance logging is enabled then the output is a set of comma separated values (CSV) with the following fields: PERF, application time, type, operation, name, duration.
|
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perf_buffer=[bytes] |
This option will buffer all performance logging output to an allocated in-memory buffer and only flush the output when the buffer content is full. The number of bytes allocated for the buffer are provided by the option to the argument. If the buffer size is 0 or invalid, then 4K will be allocated for the buffer. |
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perf_event_prefix=[prefix] |
This option specifies the prefix to use in the perf event names. This defaults to perf. |
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perf_file=[filename] |
This option specifies a path in the file system to direct the performance data output to. The directory path to the file must already exist and the contents of the file will be overwritten on each invocation of sbengine. |
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perf_filter=[keyword] |
This option enables filtering of perf types based on the keyword provided. The sb_Event type cannot be filtered out. This is because Storyboard engine is event based, and everything that happens is tied back to the event that kicked things off. Multiple keywords can be specified. Filtered types are delimited by a ':'. -otrace,perf,perf_filter=sb_RenderExtension Each keyword can also be negated by the '^' symbol. Therefore we could ignore all render extension types by passing in the following command: -otrace,perf,perf_filter=^sb_RenderExtension Filtering applies to the perf option. |
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Plugin Name: tslib (-otslib,...) / Shared Library: libgre-plugin-tslib |
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calibrate |
Put tslib into raw mode which is used for calibration. If you do not have the following
|
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motion=[integer] |
The number of consecutive motion events to compress. Can be useful on a device which delivers a high rate of motion events. Default is to not compress. |
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pressure=[integer] |
Set the pressure value which corresponds to a press. The default is any value greater than 0 is a press. |
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Plugin Name: screen-drag (-oscreen-drag,...) / Shared Library: libgre-plugin-screen-drag |
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x_drag_sensitivity=[sensitivity] |
Hhorizontal drag sensitivity, a ratio of the screen width which needs to be dragged before the screen transition begins to follow user input. Between 0.0 and 1.0, default is 0.075. |
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y_drag_sensitivity=[sensitivity] |
Vertical drag sensitivity, a ratio of the screen height which needs to be dragged before the screen transition begins to follow user input. Between 0.0 and 1.0 default is 0.075. |
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x_cancel_sensitivity=[sensitivity] |
Horizontal cancel sensitivity, a ratio of the screen width. If both x and y cancel sensitivity ratios are surpassed, the drag will be cancelled. |
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y_cancel_sensitivity=[sensitivity] |
Vertical cancel sensitivity, a ratio of the screen height. If both x and y cancel sensitivity ratios are surpassed, the drag will be cancelled. |
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Plugin Name: screencapture (-oscreen-dump,...) / Shared Library: libgre-screencapture |
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events |
Trigger different types of screen dumps, depending on the parameters, as follows: gre.screencapture (triggers gra.screendump): 1s0 filename gre.screencapture.rect:4s1 x 4s1 y 4s1 w 4s1 h 1s0 filename gra.screencapture.fqn: 1s0 fqn 1s0 filename |
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Plugin Name: gradient (-ogradient,...) / Shared Library: libgre-plugin-gradient |
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cache[=0|1] |
By default (cache=1), the gradient is drawn once to an offscreen surface and treated the same as an image on subsequent redraws. By disabling cache (cache=0), gradients draw directly to the display via the render manager. This has a low memory cost but can have a high CPU cost in certain situations. |
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Plugin Name: gradient (-omonitor,...) / Shared Library: libgre-plugin-validator |
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client=[channel] |
The SBIO channel name for the client. When this option is used, this monitor plugin is a server. |
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data |
Enable the propagation of data events to the client. |
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events |
Enable the propagation of all events to the client. |
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server=[channel] |
The SBIO channel name for the server. When this option is used, this monitor is a client. A client monitor will forward the following input events received to the server:
|
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Plugin Name: gradient (-ovalidator,...) / Shared Library: libgre-plugin-validator |
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draw |
Enable drawing outline during test recording (red) and playback (green). |
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enable |
Enable the validator plugin. This option is not required if specifying the sbio_out option. If not enabled, the validator plugin will not interact with a running application. |
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output |
Output directory to be used by validator. %D will be replaced with YYYY-MM-DD and %T will be replaced with HHMMSS. |
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sbio_in=[channel] |
Specify the receiving SBIO to use for incoming communication during test recording/playback. |
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sbio_out=[channel] |
Specify the sending SBIO channel to use for outgoing communication during test recording/playback. |
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trace |
Enable additional tracing for the validator plugin's state machine. |