94 lines
3.7 KiB
C++
94 lines
3.7 KiB
C++
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/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "ExVirtualDisplaySurface.h"
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#ifdef QTI_BSP
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#include <gralloc_priv.h>
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#endif
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namespace android {
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#define VDS_LOGE(msg, ...) ALOGE("[%s] " msg, \
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mDisplayName.string(), ##__VA_ARGS__)
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#define VDS_LOGW_IF(cond, msg, ...) ALOGW_IF(cond, "[%s] " msg, \
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mDisplayName.string(), ##__VA_ARGS__)
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#define VDS_LOGV(msg, ...) ALOGV("[%s] " msg, \
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mDisplayName.string(), ##__VA_ARGS__)
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ExVirtualDisplaySurface::ExVirtualDisplaySurface(HWComposer& hwc, int32_t dispId,
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const sp<IGraphicBufferProducer>& sink,
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const sp<IGraphicBufferProducer>& bqProducer,
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const sp<IGraphicBufferConsumer>& bqConsumer,
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const String8& name,
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bool secure)
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: VirtualDisplaySurface(hwc, dispId, sink, bqProducer, bqConsumer, name),
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mSecure(secure) {
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sink->query(NATIVE_WINDOW_CONSUMER_USAGE_BITS, &mSinkUsage);
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mSinkUsage |= GRALLOC_USAGE_HW_COMPOSER;
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setOutputUsage(mSinkUsage);
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}
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status_t ExVirtualDisplaySurface::beginFrame(bool mustRecompose) {
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if (mDisplayId < 0)
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return NO_ERROR;
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mMustRecompose = mustRecompose;
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/* For WFD use cases we must always set the recompose flag in order
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* to support pause/resume functionality
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*/
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if (mOutputUsage & GRALLOC_USAGE_HW_VIDEO_ENCODER) {
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mMustRecompose = true;
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}
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VDS_LOGW_IF(mDbgState != DBG_STATE_IDLE,
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"Unexpected beginFrame() in %s state", dbgStateStr());
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mDbgState = DBG_STATE_BEGUN;
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return refreshOutputBuffer();
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}
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/* Helper to update the output usage when the display is secure */
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void ExVirtualDisplaySurface::setOutputUsage(uint32_t /*flag*/) {
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mOutputUsage = mSinkUsage;
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if (mSecure && (mOutputUsage & GRALLOC_USAGE_HW_VIDEO_ENCODER)) {
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/* TODO: Currently, the framework can only say whether the display
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* and its subsequent session are secure or not. However, there is
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* no mechanism to distinguish the different levels of security.
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* The current solution assumes WV L3 protection.
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*/
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mOutputUsage |= GRALLOC_USAGE_PROTECTED;
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#ifdef QTI_BSP
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mOutputUsage |= GRALLOC_USAGE_PRIVATE_MM_HEAP |
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GRALLOC_USAGE_PRIVATE_UNCACHED;
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#endif
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}
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}
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}; // namespace android
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