pi4: hack: Try to hide pixel wrap issue

Author: popcornmix

xbmc/cores/VideoPlayer/VideoRenderers/HwDecRender/VideoLayerBridgeDRMPRIME.cpp

@@ -11,6 +11,7 @@
 #include "cores/VideoPlayer/Buffers/VideoBufferDRMPRIME.h"
 #include "utils/log.h"
 #include "windowing/gbm/drm/DRMAtomic.h"
+#include "settings/DisplaySettings.h"
 
 #include <utility>
 
@@ -264,13 +265,24 @@ void CVideoLayerBridgeDRMPRIME::SetVideoPlane(CVideoBufferDRMPRIME* buffer, cons
   auto plane = m_DRM->GetVideoPlane();
   m_DRM->AddProperty(plane, "FB_ID", buffer->m_fb_id);
   m_DRM->AddProperty(plane, "CRTC_ID", m_DRM->GetCrtc()->GetCrtcId());
+
+  uint32_t srcw = buffer->GetWidth() << 16;
+  uint32_t dstw = static_cast<uint32_t>(destRect.Width());
+  uint32_t dstx = static_cast<int32_t>(destRect.x1);
+  double scalex = (double)srcw / (double)dstw;
+  RESOLUTION_INFO &res = CDisplaySettings::GetInstance().GetCurrentResolutionInfo();
+  if (dstw > 2 && dstx + dstw > (uint32_t)res.iScreenWidth - 2)
+  {
+    dstw -= 2;
+    srcw = (uint32_t)(srcw - 2.0 * scalex + 0.5);
+  }
   m_DRM->AddProperty(plane, "SRC_X", 0);
   m_DRM->AddProperty(plane, "SRC_Y", 0);
-  m_DRM->AddProperty(plane, "SRC_W", buffer->GetWidth() << 16);
+  m_DRM->AddProperty(plane, "SRC_W", srcw);
   m_DRM->AddProperty(plane, "SRC_H", buffer->GetHeight() << 16);
-  m_DRM->AddProperty(plane, "CRTC_X", static_cast<int32_t>(destRect.x1) & ~1);
+  m_DRM->AddProperty(plane, "CRTC_X", (dstx + 1) & ~1);
   m_DRM->AddProperty(plane, "CRTC_Y", static_cast<int32_t>(destRect.y1) & ~1);
-  m_DRM->AddProperty(plane, "CRTC_W", (static_cast<uint32_t>(destRect.Width()) + 1) & ~1);
+  m_DRM->AddProperty(plane, "CRTC_W", (dstw + 1) & ~1);
   m_DRM->AddProperty(plane, "CRTC_H", (static_cast<uint32_t>(destRect.Height()) + 1) & ~1);
 }
 

xbmc/windowing/gbm/drm/DRMAtomic.cpp

@@ -92,13 +92,19 @@ void CDRMAtomic::DrmAtomicCommit(int fb_id, int flags, bool rendered, bool video
       return;
   }
 
+  uint32_t srcw = m_width << 16;
+  uint32_t dstw = m_mode->hdisplay;
+  double scalex = (double)srcw / (double)dstw;
+  dstw -= 2;
+  srcw = (uint32_t)(srcw - 2.0 * scalex + 0.5);
+
   if (rendered)
   {
     AddProperty(m_gui_plane, "FB_ID", fb_id);
     AddProperty(m_gui_plane, "CRTC_ID", m_crtc->GetCrtcId());
     AddProperty(m_gui_plane, "SRC_X", 0);
     AddProperty(m_gui_plane, "SRC_Y", 0);
-    AddProperty(m_gui_plane, "SRC_W", m_width << 16);
+    AddProperty(m_gui_plane, "SRC_W", srcw);
     AddProperty(m_gui_plane, "SRC_H", m_height << 16);
     AddProperty(m_gui_plane, "CRTC_X", 0);
     AddProperty(m_gui_plane, "CRTC_Y", 0);
@@ -109,7 +115,7 @@ void CDRMAtomic::DrmAtomicCommit(int fb_id, int flags, bool rendered, bool video
     // }
     // else
     {
-      AddProperty(m_gui_plane, "CRTC_W", m_mode->hdisplay);
+      AddProperty(m_gui_plane, "CRTC_W", dstw);
       AddProperty(m_gui_plane, "CRTC_H", m_mode->vdisplay);
     }