kms: Support QOpenGLWidget and QQuickWidget

Also fixes the handling of shareContext() for contexts and format() for windows
and makes QOffscreenSurface working.

Change-Id: I3c3374a9de14a5b8428de3e11d9d7e1285c5b9c7
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
Reviewed-by: Paul Olav Tvete <paul.tvete@digia.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/src/plugins/platforms/kms/qkmsintegration.h b/src/plugins/platforms/kms/qkmsintegration.h
index b13fbb2793..3ca2510e68 100644
--- a/src/plugins/platforms/kms/qkmsintegration.h
+++ b/src/plugins/platforms/kms/qkmsintegration.h
@@ -36,7 +36,9 @@
 
 #include <qpa/qplatformintegration.h>
 #include <qpa/qplatformnativeinterface.h>
+#include <qpa/qplatformoffscreensurface.h>
 #include <QtPlatformSupport/private/qdevicediscovery_p.h>
+#include <EGL/egl.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -44,6 +46,24 @@ class QKmsScreen;
 class QKmsDevice;
 class QFbVtHandler;
 
+class QKmsOffscreenWindow : public QPlatformOffscreenSurface
+{
+public:
+    QKmsOffscreenWindow(EGLDisplay display, const QSurfaceFormat &format, QOffscreenSurface *offscreenSurface);
+    ~QKmsOffscreenWindow();
+
+    QSurfaceFormat format() const Q_DECL_OVERRIDE { return m_format; }
+    bool isValid() const Q_DECL_OVERRIDE { return m_surface != EGL_NO_SURFACE; }
+
+    EGLSurface surface() const { return m_surface; }
+
+private:
+    QSurfaceFormat m_format;
+    EGLDisplay m_display;
+    EGLSurface m_surface;
+    EGLNativeWindowType m_window;
+};
+
 class QKmsIntegration : public QObject, public QPlatformIntegration
 {
     Q_OBJECT
@@ -58,6 +78,7 @@ public:
     QPlatformOpenGLContext *createPlatformOpenGLContext(QOpenGLContext *context) const Q_DECL_OVERRIDE;
     QPlatformWindow *createPlatformWindow(QWindow *window) const Q_DECL_OVERRIDE;
     QPlatformBackingStore *createPlatformBackingStore(QWindow *window) const Q_DECL_OVERRIDE;
+    QPlatformOffscreenSurface *createPlatformOffscreenSurface(QOffscreenSurface *surface) const Q_DECL_OVERRIDE;
 
     QPlatformFontDatabase *fontDatabase() const Q_DECL_OVERRIDE;
     QAbstractEventDispatcher *createEventDispatcher() const Q_DECL_OVERRIDE;