Expose QMatrix4x4 properties as mat4 uniforms in shaders

Previously, QMatrix4x4 properties were not exposed as uniforms in
shaders.  This commit adds conversion code for matrix 4x4 properties
so that they are automatically converted to mat4 uniforms.

Task-number: QTBUG-27952
Change-Id: I9b1de39fbbcb02743cf8c4e09b4d83c44f1dd438
Reviewed-by: Samuel Rødal <samuel.rodal@digia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/quick/items/qquickshadereffectnode.cpp b/src/quick/items/qquickshadereffectnode.cpp
index b81045518b..7d7955c92a 100644
--- a/src/quick/items/qquickshadereffectnode.cpp
+++ b/src/quick/items/qquickshadereffectnode.cpp
@@ -193,6 +193,9 @@ void QQuickCustomMaterialShader::updateState(const RenderState &state, QSGMateri
                 case QMetaType::QVector4D:
                     program()->setUniformValue(loc, qvariant_cast<QVector4D>(d.value));
                     break;
+                case QMetaType::QMatrix4x4:
+                    program()->setUniformValue(loc, qvariant_cast<QMatrix4x4>(d.value));
+                    break;
                 default:
                     break;
                 }