showPixels()

void fl::Channel::showPixels ( PixelController< RGB, 1, 0xFFFFFFFF > & pixels )

overrideprotected

Definition at line 900 of file channel.cpp.hpp.

                                                                                 {
    FL_SCOPED_TRACE;
 
    // Safety check: don't modify buffer if driver is currently transmitting it
    if (mChannelData->isInUse() && !waitForInUseBuffer()) {
        return;
    }
 
    // Channels created via the manager-based API (Channel::create(cfg))
    // always resolve their driver dynamically through resolveDynamicDriver(),
    // which handles the busKey construction, ChannelManager lookup, and
    // diagnostics. Legacy addLeds<> controllers no longer go through Channel
    // at all -- they route through fl::SlimBridgeController.
    fl::shared_ptr<IChannelDriver> driver;
#if !defined(FASTLED_DISABLE_DYNAMIC_DRIVER) || !FASTLED_DISABLE_DYNAMIC_DRIVER
    driver = resolveDynamicDriver();
    if (!driver) {
        return;
    }
#else
    // Dynamic-driver lookup gated out via FASTLED_DISABLE_DYNAMIC_DRIVER
    // (#2926). The gate lets `--gc-sections` drop the resolveDynamicDriver
    // body plus the ChannelManager::findDriverByName /
    // selectDriverForChannel chain (~400-900 B). Under this flag, runtime
    // Channels emit nothing -- user accepts the constraint.
    return;
#endif
 
    encodeFrame(pixels);
    submitFrame(driver);
}

References encodeFrame(), fl::FL_NO_EXCEPT, FL_SCOPED_TRACE, mChannelData, resolveDynamicDriver(), submitFrame(), and waitForInUseBuffer().

Referenced by StaticProfileChannel.

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