Implement property updates for QStencilTest and QStencilOperation

Make sure to catch all changed signals from the arguments classes and
re-send the arguments to the backend.

Change-Id: I0a5e2f42fce4c5ff81489d8a66ad277aa607db0c
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/render/renderstates/renderstates.cpp b/src/render/renderstates/renderstates.cpp
index 3c43252a0..d5f0f46e7 100644
--- a/src/render/renderstates/renderstates.cpp
+++ b/src/render/renderstates/renderstates.cpp
@@ -46,6 +46,8 @@
 #include <Qt3DRender/qpointsize.h>
 
 #include <Qt3DRender/private/graphicscontext_p.h>
+#include <Qt3DRender/private/qstenciloperation_p.h>
+#include <Qt3DRender/private/qstenciltest_p.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -201,6 +203,19 @@ void StencilTest::apply(GraphicsContext *gc) const
     gc->openGLContext()->functions()->glStencilFuncSeparate(GL_BACK, std::get<3>(m_values), std::get<4>(m_values), std::get<5>(m_values));
 }
 
+void StencilTest::updateProperty(const char *name, const QVariant &value)
+{
+    if (name == QByteArrayLiteral("arguments")) {
+        const QStencilTestData data = value.value<QStencilTestData>();
+        std::get<0>(m_values) = data.front.stencilFunction;
+        std::get<1>(m_values) = data.front.referenceValue;
+        std::get<2>(m_values) = data.front.comparisonMask;
+        std::get<3>(m_values) = data.back.stencilFunction;
+        std::get<4>(m_values) = data.back.referenceValue;
+        std::get<5>(m_values) = data.back.comparisonMask;
+    }
+}
+
 void AlphaCoverage::apply(GraphicsContext *gc) const
 {
     gc->setAlphaCoverageEnabled(true);
@@ -266,6 +281,19 @@ void StencilOp::apply(GraphicsContext *gc) const
     gc->openGLContext()->functions()->glStencilOpSeparate(GL_BACK, std::get<3>(m_values), std::get<4>(m_values), std::get<5>(m_values));
 }
 
+void StencilOp::updateProperty(const char *name, const QVariant &value)
+{
+    if (name == QByteArrayLiteral("arguments")) {
+        const QStencilOperationData data = value.value<QStencilOperationData>();
+        std::get<0>(m_values) = data.front.stencilTestFailureOperation;
+        std::get<1>(m_values) = data.front.depthTestFailureOperation;
+        std::get<2>(m_values) = data.front.allTestsPassOperation;
+        std::get<3>(m_values) = data.back.stencilTestFailureOperation;
+        std::get<4>(m_values) = data.back.depthTestFailureOperation;
+        std::get<5>(m_values) = data.back.allTestsPassOperation;
+    }
+}
+
 void StencilMask::apply(GraphicsContext *gc) const
 {
     gc->openGLContext()->functions()->glStencilMaskSeparate(GL_FRONT, std::get<0>(m_values));