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RixRenderState* *state = reinterpret_cast< RixRenderState cast<RixRenderState* >( ctx.GetRixInterface( k_RixRenderState ) ); RixRenderState::FrameInfo frame; state->GetFrameInfo( &frame ); RixIntegratorEnvironment const* *env = reinterpret_cast< RixIntegratorEnvironmentcast<RixIntegratorEnvironment const * >( frame.integratorEnv ); std::string name( "foo" ); std::vector< RixChannelId >vector<RixChannelId> ids; for ( int index = 0; index < env->numDisplays; ++index ) if ( env->displays[ index ].channel == name ) ids.push_back( env->displays[ index ].id ); |
Note that there may be more than one match for a given name. This may be caused by either the the “string source” parameter to a display channel or the particular AOV being output multiple times. Typically, a display filter will store the list of matches and apply itself to all of them.
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