display: External display refactor
- cleans up external library
- add separate library for virtual display
- process virtual updates in its separate path
in hwc.
- Acquire blank mutex lock for one complete drawing
cycle
Change-Id: Ib984c578464a131ecdb27ee48960f58d68b7a5a7
diff --git a/libvirtual/virtual.h b/libvirtual/virtual.h
new file mode 100644
index 0000000..cd0e7da
--- /dev/null
+++ b/libvirtual/virtual.h
@@ -0,0 +1,61 @@
+/*
+* Copyright (c) 2013 The Linux Foundation. All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are
+* met:
+* * Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* * Redistributions in binary form must reproduce the above
+* copyright notice, this list of conditions and the following
+* disclaimer in the documentation and/or other materials provided
+* with the distribution.
+* * Neither the name of The Linux Foundation. nor the names of its
+* contributors may be used to endorse or promote products derived
+* from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#ifndef HWC_VIRTUAL_DISPLAY_H
+#define HWC_VIRTUAL_DISPLAY_H
+
+#include <linux/fb.h>
+
+struct hwc_context_t;
+
+namespace qhwc {
+
+class VirtualDisplay
+{
+public:
+ VirtualDisplay(hwc_context_t* ctx);
+ ~VirtualDisplay();
+ int configure();
+ int teardown();
+ bool isConnected() {
+ return mHwcContext->dpyAttr[HWC_DISPLAY_VIRTUAL].connected;
+ }
+private:
+ bool openFrameBuffer();
+ bool closeFrameBuffer();
+ void setAttributes();
+
+ int mFd;
+ hwc_context_t *mHwcContext;
+ fb_var_screeninfo mVInfo;
+};
+}; //qhwc
+// ---------------------------------------------------------------------------
+#endif //HWC_VIRTUAL_DISPLAY_H