scenegraph: Add plumbing for enabling multiview

This will be used in RenderMode3D only in practice, where Qt Quick 3D
is going to pass in multiple matrices to the QSGRenderer.

Task-number: QTBUG-114871
Change-Id: Icae7f05958729d9e51948e1f38621ec4a541192d
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

1 files changed, 6 insertions, 4 deletions

diff --git a/src/quick/scenegraph/coreapi/qsgabstractrenderer_p.h b/src/quick/scenegraph/coreapi/qsgabstractrenderer_p.h
index 971e6dc023..c3b47282a1 100644
--- a/src/quick/scenegraph/coreapi/qsgabstractrenderer_p.h
+++ b/src/quick/scenegraph/coreapi/qsgabstractrenderer_p.h
@@ -54,10 +54,12 @@ public:
     void setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags);
     void setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags,
                                    bool nativeNDCFlipY);
-    void setProjectionMatrix(const QMatrix4x4 &matrix);
-    void setProjectionMatrixWithNativeNDC(const QMatrix4x4 &matrix);
-    QMatrix4x4 projectionMatrix() const;
-    QMatrix4x4 projectionMatrixWithNativeNDC() const;
+    void setProjectionMatrix(const QMatrix4x4 &matrix, int index);
+    void setProjectionMatrixWithNativeNDC(const QMatrix4x4 &matrix, int index);
+    QMatrix4x4 projectionMatrix(int index) const;
+    QMatrix4x4 projectionMatrixWithNativeNDC(int index) const;
+    int projectionMatrixCount() const;
+    int projectionMatrixWithNativeNDCCount() const;
 
     void setClearColor(const QColor &color);
     QColor clearColor() const;