From caa9fee77dc63d26ed030a87d0aac6bacb9d3c5e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jean-Micha=C3=ABl=20Celerier?=
 <jeanmichael.celerier@gmail.com>
Date: Thu, 23 Jan 2025 23:07:31 -0500
Subject: [PATCH] gfx: allow to update current readback in invertyrenderer

---
 src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.cpp | 4 ++--
 src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.hpp | 4 +++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.cpp b/src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.cpp
index e40e846063..12712c76a4 100644
--- a/src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.cpp
+++ b/src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.cpp
@@ -9,7 +9,7 @@ InvertYRenderer::InvertYRenderer(
     score::gfx::TextureRenderTarget rt, QRhiReadbackResult& readback)
     : score::gfx::OutputNodeRenderer{}
     , m_inputTarget{std::move(rt)}
-    , m_readback{readback}
+    , m_readback{&readback}
 {
 }
 
@@ -92,7 +92,7 @@ void InvertYRenderer::finishFrame(
   auto next = renderer.state.rhi->nextResourceUpdateBatch();
 
   QRhiReadbackDescription rb(m_renderTarget.texture);
-  next->readBackTexture(rb, &m_readback);
+  next->readBackTexture(rb, m_readback);
   cb.endPass(next);
 
   next = nullptr;
diff --git a/src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.hpp b/src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.hpp
index 408550c2ca..eab496db02 100644
--- a/src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.hpp
+++ b/src/plugins/score-plugin-gfx/Gfx/InvertYRenderer.hpp
@@ -37,8 +37,10 @@ class SCORE_PLUGIN_GFX_EXPORT InvertYRenderer final
   void update(score::gfx::RenderList& renderer, QRhiResourceUpdateBatch& res) override;
   void release(score::gfx::RenderList&) override;
 
+  void updateReadback(QRhiReadbackResult& rb) { m_readback = &rb; }
+
 private:
-  QRhiReadbackResult& m_readback;
+  QRhiReadbackResult* m_readback{};
 };
 
 }