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Added in API level 17
Deprecated since API level 23

ScriptGroup.Builder

public static final class ScriptGroup.Builder
extends Object

java.lang.Object
   ↳ android.renderscript.ScriptGroup.Builder


This class was deprecated in API level 23.
Use ScriptGroup.Builder2 instead.

Helper class to build a ScriptGroup. A ScriptGroup is created in two steps.

First, all kernels to be used by the ScriptGroup should be added.

Second, add connections between kernels. There are two types of connections: kernel to kernel and kernel to field. Kernel to kernel allows a kernel's output to be passed to another kernel as input. Kernel to field allows the output of one kernel to be bound as a script global. Kernel to kernel is higher performance and should be used where possible.

A ScriptGroup must contain a single directed acyclic graph (DAG); it cannot contain cycles. Currently, all kernels used in a ScriptGroup must come from different Script objects. Additionally, all kernels in a ScriptGroup must have at least one input, output, or internal connection.

Once all connections are made, a call to create() will return the ScriptGroup object.

Summary

Public constructors

ScriptGroup.Builder(RenderScript rs)

Create a Builder for generating a ScriptGroup.

Public methods

ScriptGroup.Builder addConnection(Type t, Script.KernelID from, Script.KernelID to)

Adds a connection to the group.

ScriptGroup.Builder addConnection(Type t, Script.KernelID from, Script.FieldID to)

Adds a connection to the group.

ScriptGroup.Builder addKernel(Script.KernelID k)

Adds a Kernel to the group.

ScriptGroup create()

Creates the Script group.

Inherited methods

From class java.lang.Object

Public constructors

ScriptGroup.Builder

Added in API level 17
ScriptGroup.Builder (RenderScript rs)

Create a Builder for generating a ScriptGroup.

Parameters
rs RenderScript: The RenderScript context.

Public methods

addConnection

Added in API level 17
ScriptGroup.Builder addConnection (Type t, 
                Script.KernelID from, 
                Script.KernelID to)

Adds a connection to the group.

Parameters
t Type: The type of the connection. This is used to determine the kernel launch sizes for both sides of this connection.
from Script.KernelID: The source for the connection.
to Script.KernelID: The destination of the connection.
Returns
ScriptGroup.Builder Builder Returns this

addConnection

Added in API level 17
ScriptGroup.Builder addConnection (Type t, 
                Script.KernelID from, 
                Script.FieldID to)

Adds a connection to the group.

Parameters
t Type: The type of the connection. This is used to determine the kernel launch sizes on the source side of this connection.
from Script.KernelID: The source for the connection.
to Script.FieldID: The destination of the connection.
Returns
ScriptGroup.Builder Builder Returns this

addKernel

Added in API level 17
ScriptGroup.Builder addKernel (Script.KernelID k)

Adds a Kernel to the group.

Parameters
k Script.KernelID: The kernel to add.
Returns
ScriptGroup.Builder Builder Returns this.

create

Added in API level 17
ScriptGroup create ()

Creates the Script group.

Returns
ScriptGroup ScriptGroup The new ScriptGroup
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