[libcamera-devel] ipa: rkisp1: Avoid unnecessary copy

Message ID 20191011140408.11712-1-laurent.pinchart@ideasonboard.com
State Accepted
Commit 8647991cd8310463d1f5d08698f277e2278e77d9
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Series
  • [libcamera-devel] ipa: rkisp1: Avoid unnecessary copy
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Commit Message

Laurent Pinchart Oct. 11, 2019, 2:04 p.m. UTC
Use const references in a for loop to avoid an unnecessary copy.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 src/ipa/rkisp1/rkisp1.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Niklas Söderlund Oct. 11, 2019, 2:23 p.m. UTC | #1
Hi Laurent,

Thanks for your patch.

On 2019-10-11 17:04:08 +0300, Laurent Pinchart wrote:
> Use const references in a for loop to avoid an unnecessary copy.
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> ---
>  src/ipa/rkisp1/rkisp1.cpp | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
> index 4f5fdb146212..02419e254f2d 100644
> --- a/src/ipa/rkisp1/rkisp1.cpp
> +++ b/src/ipa/rkisp1/rkisp1.cpp
> @@ -98,7 +98,7 @@ void IPARkISP1::configure(const std::map<unsigned int, IPAStream> &streamConfig,
>  
>  void IPARkISP1::mapBuffers(const std::vector<IPABuffer> &buffers)
>  {
> -	for (IPABuffer buffer : buffers) {
> +	for (const IPABuffer &buffer : buffers) {

d00h,

Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>

>  		bufferInfo_[buffer.id] = buffer.memory;
>  		bufferInfo_[buffer.id].planes()[0].mem();
>  	}
> -- 
> Regards,
> 
> Laurent Pinchart
>

Patch

diff --git a/src/ipa/rkisp1/rkisp1.cpp b/src/ipa/rkisp1/rkisp1.cpp
index 4f5fdb146212..02419e254f2d 100644
--- a/src/ipa/rkisp1/rkisp1.cpp
+++ b/src/ipa/rkisp1/rkisp1.cpp
@@ -98,7 +98,7 @@  void IPARkISP1::configure(const std::map<unsigned int, IPAStream> &streamConfig,
 
 void IPARkISP1::mapBuffers(const std::vector<IPABuffer> &buffers)
 {
-	for (IPABuffer buffer : buffers) {
+	for (const IPABuffer &buffer : buffers) {
 		bufferInfo_[buffer.id] = buffer.memory;
 		bufferInfo_[buffer.id].planes()[0].mem();
 	}