feat: add shader resource file for Qt6 build

- Add dtkdeclarative_shaders_ng.qrc to reference shader files from src/shaders
- Use alias to map shader paths for Qt6 compatibility
- Remove Qt version checks in DOpenGLBlurEffectNode shader loading
- Unify shader resource paths across Qt5 and Qt6

Log: add shader resource file for Qt6 build

Author: wyu71

qt6/src/CMakeLists.txt

@@ -48,6 +48,7 @@ file(GLOB QML_RCS dtkdeclarative_qml.qrc dtkdeclarative_overridable_qml.qrc)
 qt_add_resources(RESOURCES
     ${QML_RCS}
     ${ASSETS_RCS}
+    dtkdeclarative_shaders_ng.qrc
 )
 target_sources(${LIB_NAME} PRIVATE ${RESOURCES})
 

qt6/src/dtkdeclarative_shaders_ng.qrc

@@ -0,0 +1,10 @@
+<RCC>
+    <qresource prefix="/dtk/declarative">
+        <file alias="shaders/dualkawasedown.frag">../../src/shaders/dualkawasedown.frag</file>
+        <file alias="shaders/dualkawasedown.vert">../../src/shaders/dualkawasedown.vert</file>
+        <file alias="shaders/dualkawaseup.frag">../../src/shaders/dualkawaseup.frag</file>
+        <file alias="shaders/dualkawaseup.vert">../../src/shaders/dualkawaseup.vert</file>
+        <file alias="shaders/noise.vert">../../src/shaders/noise.vert</file>
+        <file alias="shaders/noise.frag">../../src/shaders/noise.frag</file>
+    </qresource>
+</RCC>