Silence warnings about null textures in uniforms

It's common while textures are loading

Change-Id: I360c88c72fbd0a034aff07451fd49be17b348d40
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/render/backend/uniform.cpp b/src/render/backend/uniform.cpp
index 41ee24967..17c26e6c7 100644
--- a/src/render/backend/uniform.cpp
+++ b/src/render/backend/uniform.cpp
@@ -38,6 +38,7 @@
 ****************************************************************************/
 
 #include "uniform_p.h"
+#include "qabstracttexture.h"
 
 QT_BEGIN_NAMESPACE
 
@@ -261,6 +262,11 @@ UniformValue UniformValue::fromVariant(const QVariant &variant)
             memcpy(v.data<float>(), mat33.constData(), 9 * sizeof(float));
             break;
         }
+        if (variant.userType() == qMetaTypeId<Qt3DRender::QAbstractTexture *>()) {
+            // silently ignore null texture pointers as they are common while textures are loading
+            if (variant.value<Qt3DRender::QAbstractTexture *>() == nullptr)
+                break;
+        }
         qWarning() << "Unknown uniform type or value:" << variant << "Please check your QParameters";
     }
     }