From a5bfc5daf19721c32538f2b79ffaf796408af731 Mon Sep 17 00:00:00 2001
From: Stephan Sundermann <stephansundermann@gmail.com>
Date: Fri, 6 Oct 2023 01:24:31 +0200
Subject: [PATCH] [webOS] Renderer: Fix render region

---
 .../HwDecRender/RendererStarfish.cpp          | 24 +++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/RendererStarfish.cpp b/xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/RendererStarfish.cpp
index b2231ff84f3a6..c065762a73dca 100644
--- a/xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/RendererStarfish.cpp
+++ b/xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/RendererStarfish.cpp
@@ -83,8 +83,28 @@ bool CRendererStarfish::Register()
 
 void CRendererStarfish::ManageRenderArea()
 {
+  // this hack is needed to get the 2D mode of a 3D movie going
+  RENDER_STEREO_MODE stereoMode = CServiceBroker::GetWinSystem()->GetGfxContext().GetStereoMode();
+  if (stereoMode == RENDER_STEREO_MODE_MONO)
+    CServiceBroker::GetWinSystem()->GetGfxContext().SetStereoView(RENDER_STEREO_VIEW_LEFT);
+
   CBaseRenderer::ManageRenderArea();
 
+  if (stereoMode == RENDER_STEREO_MODE_MONO)
+    CServiceBroker::GetWinSystem()->GetGfxContext().SetStereoView(RENDER_STEREO_VIEW_OFF);
+
+  switch (stereoMode)
+  {
+    case RENDER_STEREO_MODE_SPLIT_HORIZONTAL:
+      m_destRect.y2 *= 2.0f;
+      break;
+    case RENDER_STEREO_MODE_SPLIT_VERTICAL:
+      m_destRect.x2 *= 2.0f;
+      break;
+    default:
+      break;
+  }
+
   if ((m_exportedDestRect != m_destRect || m_exportedSourceRect != m_sourceRect) &&
       !m_sourceRect.IsEmpty() && !m_destRect.IsEmpty())
   {
@@ -160,8 +180,6 @@ void CRendererStarfish::Update()
   {
     return;
   }
-
-  ManageRenderArea();
 }
 
 void CRendererStarfish::RenderUpdate(
@@ -171,4 +189,6 @@ void CRendererStarfish::RenderUpdate(
   {
     return;
   }
+
+  ManageRenderArea();
 }