ipa: ipu3: Pass controls to algorithm's queueRequest() handler

Call the Algorithm::queueRequest() function of all algorithms when a
request is queued, to pass the request controls to the algorithms. We
can now drop the copy of the control list stored in IPAFrameContext as
it isn't used anymore.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>

src/ipa/ipu3/ipa_context.cpp

@@ -168,9 +168,6 @@ namespace libcamera::ipa::ipu3 {
  * \struct IPAFrameContext
  * \brief IPU3-specific FrameContext
  *
- * \var IPAFrameContext::frameControls
- * \brief Controls sent in by the application while queuing the request
- *
  * \var IPAFrameContext::sensor
  * \brief Effective sensor values that were applied for the frame
  *

src/ipa/ipu3/ipa_context.h

@@ -12,7 +12,6 @@
 
 #include <libcamera/base/utils.h>
 
-#include <libcamera/controls.h>
 #include <libcamera/geometry.h>
 
 #include <libipa/fc_queue.h>
@@ -78,8 +77,6 @@ struct IPAFrameContext : public FrameContext {
 		uint32_t exposure;
 		double gain;
 	} sensor;
-
-	ControlList frameControls;
 };
 
 struct IPAContext {

src/ipa/ipu3/ipu3.cpp

@@ -663,11 +663,10 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,
  */
 void IPAIPU3::queueRequest(const uint32_t frame, const ControlList &controls)
 {
-	/* \todo Start processing for 'frame' based on 'controls'. */
 	IPAFrameContext &frameContext = context_.frameContexts.alloc(frame);
 
-	/* \todo Implement queueRequest to each algorithm. */
-	frameContext.frameControls = controls;
+	for (auto const &algo : algorithms())
+		algo->queueRequest(context_, frame, frameContext, controls);
 }
 
 /**