SurfaceFlinger: Move Extended SF classes to same repository

Move the ExSurfaceFlinger, ExLayer, etc., classes to this
repository, to avoid dependency accross projects with static
linking

The following commits are included in this:
commit 04f501b31f627e47ae540b5160b2f86b7adbd921
Author: Baldev Sahu <bsahu@codeaurora.org>
Date:   Wed Nov 25 18:05:51 2015 +0530

display-fw: Properly initialise mIsGPUAllowedForProtected flag

- This flag need to be initialize to false when layer is
  created.

Change-Id: Ie3df40ffc4240c33883f19ecbef6428f7c539b07
CRs-fixed: 942102

commit 09032188751356db295bc5467133ec484dc536cd
Author: Arun Kumar K.R <akumarkr@codeaurora.org>
Date:   Tue Oct 20 10:22:51 2015 -0700

display-fw: Enable checking for INTERNAL_ONLY private flag

Check for INTERNAL_ONLY private flag and return correct values
from the function isIntOnly

Change-Id: I61b44f636412e0ad93e1b3ff18e4accdf90eeafe
CRs-fixed: 927880

commit f687ac25b3482b92da3c252d29b65e850cca3ce1
Author: Arun Kumar K.R <akumarkr@codeaurora.org>
Date:   Thu Oct 15 16:37:11 2015 -0700

display-frameworks: Include libqdutils
only for target builds

Featurize including libqdutils for targets which uses QCOM_BSP,
helps in resolving compilation for emulator builds

Change-Id: I39639c3100eb20dd24d2a875bb0e9bc82d2b2d1f

commit 4ec765e01be506a8083980fc746a1737bbac4bf2
Author: Arun Kumar K.R <akumarkr@codeaurora.org>
Date:   Wed Oct 7 18:33:34 2015 -0700

display-fw: Disable rotation animation on secondary displays

- Set the animating flag on layer during animation which is used
  as hint to disable rotation animation on secondary displays.
- Set sys.disable_ext_animation to enable the feature
- Remove unused definitions in the extended hwc header

Change-Id: I7b72c7b605930ea189e047fec17ed18b17d46fdf
CRs-fixed: 922304

commit 6998bbdfd7af3126b64897b16b6961e84952601b
Author: Baldev Sahu <bsahu@codeaurora.org>
Date:   Thu Jul 30 16:01:15 2015 +0530

display-frameworks: Extend support for MDP3

- Add support for HWC_BLIT
- Allow GPU to compose widevine level 3

Change-Id:I11e03ccd0842d019e85d0c29bc5b7be559fccbaa

commit 2fa7aa1684c0162b8226c4327c86c6eaf6b76101
Author: Manoj Kumar <manoj@codeaurora.org>
Date:   Thu Aug 20 13:52:15 2015 -0700

display-frameworks: Override mOutputUsage with sink Usage flags

mOutputUsage flags contain default usage flags and doesnt reflect
sink usage flags. Override mOutputUsage with sink usage flags.

This change is needed to support WFD Secure usecase.

Change-Id: I14d8812049f635a8ebe6a944783e0ec7f8f80b1f

commit 09da768794c8c6acd786d73239ed5a739695b8cb
Author: Raj Kamal <rkamal@codeaurora.org>
Date:   Mon Jul 20 10:46:27 2015 +0530

display-frameworks: Extend the classes defined in SF

Add support for custom classes ExSurfaceFlinger,
ExLayer, ExHWComposer and ExVirtualDisplaySurface

Change-Id: Iab8c4835faaad9b436bbd34d38702741eb0cf12d

Change-Id: Ie400c94ccc77fc379ffa256af03a9e42ba5decaa

1 files changed, 93 insertions, 0 deletions

diff --git a/services/surfaceflinger/ExSurfaceFlinger/ExVirtualDisplaySurface.cpp b/services/surfaceflinger/ExSurfaceFlinger/ExVirtualDisplaySurface.cpp
new file mode 100644
index 0000000..e4ad758
--- /dev/null
+++ b/services/surfaceflinger/ExSurfaceFlinger/ExVirtualDisplaySurface.cpp
@@ -0,0 +1,93 @@
+/* Copyright (c) 2015, 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.
+ */
+
+#include "ExVirtualDisplaySurface.h"
+#ifdef QTI_BSP
+#include <gralloc_priv.h>
+#endif
+
+namespace android {
+
+#define VDS_LOGE(msg, ...) ALOGE("[%s] " msg, \
+        mDisplayName.string(), ##__VA_ARGS__)
+#define VDS_LOGW_IF(cond, msg, ...) ALOGW_IF(cond, "[%s] " msg, \
+        mDisplayName.string(), ##__VA_ARGS__)
+#define VDS_LOGV(msg, ...) ALOGV("[%s] " msg, \
+        mDisplayName.string(), ##__VA_ARGS__)
+
+ExVirtualDisplaySurface::ExVirtualDisplaySurface(HWComposer& hwc, int32_t dispId,
+        const sp<IGraphicBufferProducer>& sink,
+        const sp<IGraphicBufferProducer>& bqProducer,
+        const sp<IGraphicBufferConsumer>& bqConsumer,
+        const String8& name,
+        bool secure)
+:   VirtualDisplaySurface(hwc, dispId, sink, bqProducer, bqConsumer, name),
+   mSecure(secure) {
+   sink->query(NATIVE_WINDOW_CONSUMER_USAGE_BITS, &mSinkUsage);
+   mSinkUsage |= GRALLOC_USAGE_HW_COMPOSER;
+   setOutputUsage(mSinkUsage);
+}
+
+status_t ExVirtualDisplaySurface::beginFrame(bool mustRecompose) {
+    if (mDisplayId < 0)
+        return NO_ERROR;
+
+    mMustRecompose = mustRecompose;
+    /* For WFD use cases we must always set the recompose flag in order
+     * to support pause/resume functionality
+     */
+    if (mOutputUsage & GRALLOC_USAGE_HW_VIDEO_ENCODER) {
+        mMustRecompose = true;
+    }
+
+    VDS_LOGW_IF(mDbgState != DBG_STATE_IDLE,
+            "Unexpected beginFrame() in %s state", dbgStateStr());
+    mDbgState = DBG_STATE_BEGUN;
+
+    return refreshOutputBuffer();
+
+}
+
+/* Helper to update the output usage when the display is secure */
+void ExVirtualDisplaySurface::setOutputUsage(uint32_t /*flag*/) {
+    mOutputUsage = mSinkUsage;
+    if (mSecure && (mOutputUsage & GRALLOC_USAGE_HW_VIDEO_ENCODER)) {
+        /* TODO: Currently, the framework can only say whether the display
+         * and its subsequent session are secure or not. However, there is
+         * no mechanism to distinguish the different levels of security.
+         * The current solution assumes WV L3 protection.
+         */
+        mOutputUsage |= GRALLOC_USAGE_PROTECTED;
+#ifdef QTI_BSP
+        mOutputUsage |= GRALLOC_USAGE_PRIVATE_MM_HEAP |
+                        GRALLOC_USAGE_PRIVATE_UNCACHED;
+#endif
+    }
+}
+
+}; // namespace android