Update the Compositor side ServerBufferIntegration

so its possible to ask for supported formats and make the
createServerBuffer function pure virtual

Change-Id: Idf07b993ea54927a51d43ef5e3a11fa1639dc1fe
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>

2 files changed, 17 insertions, 0 deletions

diff --git a/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.cpp b/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.cpp
index a38bf95f..3a7986ed 100644
--- a/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.cpp
+++ b/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.cpp
@@ -163,6 +163,22 @@ void DrmEglServerBufferIntegration::initializeHardware(QWaylandCompositor *compo
     QtWaylandServer::qt_drm_egl_server_buffer::init(compositor->waylandDisplay());
 }
 
+bool DrmEglServerBufferIntegration::supportsFormat(QWaylandServerBuffer::Format format) const
+{
+    switch (format) {
+        case QWaylandServerBuffer::RGBA32:
+            return true;
+        case QWaylandServerBuffer::A8:
+#ifdef EGL_DRM_BUFFER_FORMAT_A8_MESA
+            return true;
+#else
+            return false;
+#endif
+        default:
+            return false;
+    }
+}
+
 QWaylandServerBuffer *DrmEglServerBufferIntegration::createServerBuffer(const QSize &size, QWaylandServerBuffer::Format format)
 {
     return new DrmEglServerBuffer(this, size, format);
diff --git a/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.h b/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.h
index 0ccb7658..33c453a4 100644
--- a/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.h
+++ b/src/hardwareintegration/compositor/drm-egl-server/drmeglserverbufferintegration.h
@@ -102,6 +102,7 @@ public:
 
     void initializeHardware(QWaylandCompositor *);
 
+    bool supportsFormat(QWaylandServerBuffer::Format format) const Q_DECL_OVERRIDE;
     QWaylandServerBuffer *createServerBuffer(const QSize &size, QWaylandServerBuffer::Format format) Q_DECL_OVERRIDE;
 
     EGLDisplay display() const { return m_egl_display; }