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/* 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
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