683 lines
26 KiB
C++
683 lines
26 KiB
C++
/*
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* Copyright 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// TODO(b/129481165): remove the #pragma below and fix conversion issues
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wconversion"
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// #define LOG_NDEBUG 0
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#include <cinttypes>
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#include <ftl/enum.h>
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#include <ftl/flags.h>
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#include <gui/BufferItem.h>
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#include <gui/BufferQueue.h>
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#include <gui/IProducerListener.h>
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#include <system/window.h>
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#include "HWComposer.h"
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#include "SurfaceFlinger.h"
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#include "VirtualDisplaySurface.h"
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#define VDS_LOGE(msg, ...) ALOGE("[%s] " msg, \
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mDisplayName.c_str(), ##__VA_ARGS__)
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#define VDS_LOGW_IF(cond, msg, ...) ALOGW_IF(cond, "[%s] " msg, \
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mDisplayName.c_str(), ##__VA_ARGS__)
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#define VDS_LOGV(msg, ...) ALOGV("[%s] " msg, \
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mDisplayName.c_str(), ##__VA_ARGS__)
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#define UNSUPPORTED() \
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VDS_LOGE("%s: Invalid operation on virtual display", __func__); \
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return INVALID_OPERATION
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namespace android {
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#ifdef HWC_VIR_DISPLAY_USE_NO_AFBC
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/* Gralloc 4.0 中, 表征 "调用 alloc() 的 client 要求分配的 buffer 不是 AFBC 格式".
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*/
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#define MALI_GRALLOC_USAGE_NO_AFBC (1ULL << 29)
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#else
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#define MALI_GRALLOC_USAGE_NO_AFBC (0)
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#endif
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VirtualDisplaySurface::VirtualDisplaySurface(HWComposer& hwc, VirtualDisplayId displayId,
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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 std::string& name)
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: ConsumerBase(bqConsumer),
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mHwc(hwc),
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mDisplayId(displayId),
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mDisplayName(name),
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mSource{},
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mDefaultOutputFormat(HAL_PIXEL_FORMAT_RGBA_8888),
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mOutputFormat(HAL_PIXEL_FORMAT_RGBA_8888),
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mOutputUsage(GRALLOC_USAGE_HW_COMPOSER | MALI_GRALLOC_USAGE_NO_AFBC),
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mProducerSlotSource(0),
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mProducerBuffers(),
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mProducerSlotNeedReallocation(0),
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mQueueBufferOutput(),
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mSinkBufferWidth(0),
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mSinkBufferHeight(0),
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mFbFence(Fence::NO_FENCE),
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mOutputFence(Fence::NO_FENCE),
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mFbProducerSlot(BufferQueue::INVALID_BUFFER_SLOT),
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mOutputProducerSlot(BufferQueue::INVALID_BUFFER_SLOT),
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mForceHwcCopy(SurfaceFlinger::useHwcForRgbToYuv) {
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mSource[SOURCE_SINK] = sink;
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mSource[SOURCE_SCRATCH] = bqProducer;
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resetPerFrameState();
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int sinkWidth, sinkHeight;
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sink->query(NATIVE_WINDOW_WIDTH, &sinkWidth);
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sink->query(NATIVE_WINDOW_HEIGHT, &sinkHeight);
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mSinkBufferWidth = sinkWidth;
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mSinkBufferHeight = sinkHeight;
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// Pick the buffer format to request from the sink when not rendering to it
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// with GPU. If the consumer needs CPU access, use the default format
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// set by the consumer. Otherwise allow gralloc to decide the format based
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// on usage bits.
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int sinkUsage;
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sink->query(NATIVE_WINDOW_CONSUMER_USAGE_BITS, &sinkUsage);
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if (sinkUsage & (GRALLOC_USAGE_SW_READ_MASK | GRALLOC_USAGE_SW_WRITE_MASK)) {
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int sinkFormat;
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sink->query(NATIVE_WINDOW_FORMAT, &sinkFormat);
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mDefaultOutputFormat = sinkFormat;
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} else {
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mDefaultOutputFormat = HAL_PIXEL_FORMAT_RGBA_8888;
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}
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// 由于编码端强制设置输入格式位 RGBA，故此处暂时设置为对应格式
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// 待编码端适配代码实现后再考虑去掉该限制
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mDefaultOutputFormat = HAL_PIXEL_FORMAT_RGBA_8888;
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mOutputFormat = mDefaultOutputFormat;
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ConsumerBase::mName = String8::format("VDS: %s", mDisplayName.c_str());
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mConsumer->setConsumerName(ConsumerBase::mName);
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mConsumer->setConsumerUsageBits(GRALLOC_USAGE_HW_COMPOSER | MALI_GRALLOC_USAGE_NO_AFBC);
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mConsumer->setDefaultBufferSize(sinkWidth, sinkHeight);
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sink->setAsyncMode(true);
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IGraphicBufferProducer::QueueBufferOutput output;
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mSource[SOURCE_SCRATCH]->connect(nullptr, NATIVE_WINDOW_API_EGL, false, &output);
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}
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VirtualDisplaySurface::~VirtualDisplaySurface() {
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mSource[SOURCE_SCRATCH]->disconnect(NATIVE_WINDOW_API_EGL);
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}
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status_t VirtualDisplaySurface::beginFrame(bool mustRecompose) {
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if (GpuVirtualDisplayId::tryCast(mDisplayId)) {
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return NO_ERROR;
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}
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mMustRecompose = mustRecompose;
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// HW虚拟屏建议强制使能 mMustRecompose
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mMustRecompose = true;
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VDS_LOGW_IF(mDebugState != DebugState::Idle, "Unexpected %s in %s state", __func__,
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ftl::enum_string(mDebugState).c_str());
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mDebugState = DebugState::Begun;
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return refreshOutputBuffer();
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}
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status_t VirtualDisplaySurface::prepareFrame(CompositionType compositionType) {
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if (GpuVirtualDisplayId::tryCast(mDisplayId)) {
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return NO_ERROR;
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}
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VDS_LOGW_IF(mDebugState != DebugState::Begun, "Unexpected %s in %s state", __func__,
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ftl::enum_string(mDebugState).c_str());
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mDebugState = DebugState::Prepared;
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mCompositionType = compositionType;
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if (mForceHwcCopy && mCompositionType == CompositionType::Gpu) {
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// Some hardware can do RGB->YUV conversion more efficiently in hardware
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// controlled by HWC than in hardware controlled by the video encoder.
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// Forcing GPU-composed frames to go through an extra copy by the HWC
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// allows the format conversion to happen there, rather than passing RGB
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// directly to the consumer.
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//
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// On the other hand, when the consumer prefers RGB or can consume RGB
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// inexpensively, this forces an unnecessary copy.
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mCompositionType = CompositionType::Mixed;
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}
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if (mCompositionType != mDebugLastCompositionType) {
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VDS_LOGV("%s: composition type changed to %s", __func__,
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toString(mCompositionType).c_str());
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mDebugLastCompositionType = mCompositionType;
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}
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if (mCompositionType != CompositionType::Gpu &&
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(mOutputFormat != mDefaultOutputFormat ||
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(mOutputUsage != (GRALLOC_USAGE_HW_COMPOSER | MALI_GRALLOC_USAGE_NO_AFBC)))) {
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// We must have just switched from GPU-only to MIXED or HWC
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// composition. Stop using the format and usage requested by the GPU
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// driver; they may be suboptimal when HWC is writing to the output
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// buffer. For example, if the output is going to a video encoder, and
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// HWC can write directly to YUV, some hardware can skip a
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// memory-to-memory RGB-to-YUV conversion step.
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//
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// If we just switched *to* GPU-only mode, we'll change the
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// format/usage and get a new buffer when the GPU driver calls
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// dequeueBuffer().
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mOutputFormat = mDefaultOutputFormat;
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mOutputUsage = (GRALLOC_USAGE_HW_COMPOSER | MALI_GRALLOC_USAGE_NO_AFBC);
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refreshOutputBuffer();
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}
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return NO_ERROR;
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}
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status_t VirtualDisplaySurface::advanceFrame() {
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if (GpuVirtualDisplayId::tryCast(mDisplayId)) {
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return NO_ERROR;
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}
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if (mCompositionType == CompositionType::Hwc) {
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VDS_LOGW_IF(mDebugState != DebugState::Prepared, "Unexpected %s in %s state on HWC frame",
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__func__, ftl::enum_string(mDebugState).c_str());
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} else {
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VDS_LOGW_IF(mDebugState != DebugState::GpuDone,
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"Unexpected %s in %s state on GPU/MIXED frame", __func__,
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ftl::enum_string(mDebugState).c_str());
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}
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mDebugState = DebugState::Hwc;
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if (mOutputProducerSlot < 0 ||
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(mCompositionType != CompositionType::Hwc && mFbProducerSlot < 0)) {
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// Last chance bailout if something bad happened earlier. For example,
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// in a graphics API configuration, if the sink disappears then dequeueBuffer
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// will fail, the GPU driver won't queue a buffer, but SurfaceFlinger
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// will soldier on. So we end up here without a buffer. There should
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// be lots of scary messages in the log just before this.
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VDS_LOGE("%s: no buffer, bailing out", __func__);
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return NO_MEMORY;
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}
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sp<GraphicBuffer> fbBuffer = mFbProducerSlot >= 0 ?
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mProducerBuffers[mFbProducerSlot] : sp<GraphicBuffer>(nullptr);
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sp<GraphicBuffer> outBuffer = mProducerBuffers[mOutputProducerSlot];
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VDS_LOGV("%s: fb=%d(%p) out=%d(%p)", __func__, mFbProducerSlot, fbBuffer.get(),
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mOutputProducerSlot, outBuffer.get());
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const auto halDisplayId = HalVirtualDisplayId::tryCast(mDisplayId);
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LOG_FATAL_IF(!halDisplayId);
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// At this point we know the output buffer acquire fence,
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// so update HWC state with it.
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mHwc.setOutputBuffer(*halDisplayId, mOutputFence, outBuffer);
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status_t result = NO_ERROR;
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if (fbBuffer != nullptr) {
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uint32_t hwcSlot = 0;
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sp<GraphicBuffer> hwcBuffer;
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mHwcBufferCache.getHwcBuffer(mFbProducerSlot, fbBuffer, &hwcSlot, &hwcBuffer);
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// TODO: Correctly propagate the dataspace from GL composition
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result = mHwc.setClientTarget(*halDisplayId, hwcSlot, mFbFence, hwcBuffer,
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ui::Dataspace::UNKNOWN);
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}
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return result;
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}
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void VirtualDisplaySurface::onFrameCommitted() {
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const auto halDisplayId = HalVirtualDisplayId::tryCast(mDisplayId);
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if (!halDisplayId) {
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return;
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}
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VDS_LOGW_IF(mDebugState != DebugState::Hwc, "Unexpected %s in %s state", __func__,
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ftl::enum_string(mDebugState).c_str());
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mDebugState = DebugState::Idle;
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sp<Fence> retireFence = mHwc.getPresentFence(*halDisplayId);
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if (mCompositionType == CompositionType::Mixed && mFbProducerSlot >= 0) {
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// release the scratch buffer back to the pool
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Mutex::Autolock lock(mMutex);
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int sslot = mapProducer2SourceSlot(SOURCE_SCRATCH, mFbProducerSlot);
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VDS_LOGV("%s: release scratch sslot=%d", __func__, sslot);
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addReleaseFenceLocked(sslot, mProducerBuffers[mFbProducerSlot],
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retireFence);
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releaseBufferLocked(sslot, mProducerBuffers[mFbProducerSlot]);
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}
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if (mOutputProducerSlot >= 0) {
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int sslot = mapProducer2SourceSlot(SOURCE_SINK, mOutputProducerSlot);
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QueueBufferOutput qbo;
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VDS_LOGV("%s: queue sink sslot=%d", __func__, sslot);
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if (mMustRecompose) {
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status_t result = mSource[SOURCE_SINK]->queueBuffer(sslot,
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QueueBufferInput(
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systemTime(), false /* isAutoTimestamp */,
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HAL_DATASPACE_UNKNOWN,
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Rect(mSinkBufferWidth, mSinkBufferHeight),
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NATIVE_WINDOW_SCALING_MODE_FREEZE, 0 /* transform */,
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retireFence),
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&qbo);
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if (result == NO_ERROR) {
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updateQueueBufferOutput(std::move(qbo));
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}
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} else {
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// If the surface hadn't actually been updated, then we only went
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// through the motions of updating the display to keep our state
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// machine happy. We cancel the buffer to avoid triggering another
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// re-composition and causing an infinite loop.
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mSource[SOURCE_SINK]->cancelBuffer(sslot, retireFence);
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}
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}
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resetPerFrameState();
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}
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void VirtualDisplaySurface::dumpAsString(String8& /* result */) const {
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}
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void VirtualDisplaySurface::resizeBuffers(const ui::Size& newSize) {
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mQueueBufferOutput.width = newSize.width;
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mQueueBufferOutput.height = newSize.height;
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mSinkBufferWidth = newSize.width;
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mSinkBufferHeight = newSize.height;
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}
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const sp<Fence>& VirtualDisplaySurface::getClientTargetAcquireFence() const {
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return mFbFence;
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}
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status_t VirtualDisplaySurface::requestBuffer(int pslot,
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sp<GraphicBuffer>* outBuf) {
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if (GpuVirtualDisplayId::tryCast(mDisplayId)) {
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return mSource[SOURCE_SINK]->requestBuffer(pslot, outBuf);
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}
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VDS_LOGW_IF(mDebugState != DebugState::Gpu, "Unexpected %s pslot=%d in %s state", __func__,
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pslot, ftl::enum_string(mDebugState).c_str());
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*outBuf = mProducerBuffers[pslot];
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return NO_ERROR;
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}
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status_t VirtualDisplaySurface::setMaxDequeuedBufferCount(
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int maxDequeuedBuffers) {
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return mSource[SOURCE_SINK]->setMaxDequeuedBufferCount(maxDequeuedBuffers);
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}
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status_t VirtualDisplaySurface::setAsyncMode(bool async) {
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return mSource[SOURCE_SINK]->setAsyncMode(async);
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}
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status_t VirtualDisplaySurface::dequeueBuffer(Source source,
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PixelFormat format, uint64_t usage, int* sslot, sp<Fence>* fence) {
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LOG_ALWAYS_FATAL_IF(GpuVirtualDisplayId::tryCast(mDisplayId).has_value());
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status_t result =
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mSource[source]->dequeueBuffer(sslot, fence, mSinkBufferWidth, mSinkBufferHeight,
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format, usage, nullptr, nullptr);
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if (result < 0)
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return result;
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int pslot = mapSource2ProducerSlot(source, *sslot);
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VDS_LOGV("%s(%s): sslot=%d pslot=%d result=%d", __func__, ftl::enum_string(source).c_str(),
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*sslot, pslot, result);
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uint64_t sourceBit = static_cast<uint64_t>(source) << pslot;
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// reset producer slot reallocation flag
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mProducerSlotNeedReallocation &= ~(1ULL << pslot);
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if ((mProducerSlotSource & (1ULL << pslot)) != sourceBit) {
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// This slot was previously dequeued from the other source; must
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// re-request the buffer.
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mProducerSlotNeedReallocation |= 1ULL << pslot;
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mProducerSlotSource &= ~(1ULL << pslot);
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mProducerSlotSource |= sourceBit;
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}
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if (result & RELEASE_ALL_BUFFERS) {
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for (uint32_t i = 0; i < BufferQueue::NUM_BUFFER_SLOTS; i++) {
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if ((mProducerSlotSource & (1ULL << i)) == sourceBit)
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mProducerBuffers[i].clear();
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}
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}
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if (result & BUFFER_NEEDS_REALLOCATION) {
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result = mSource[source]->requestBuffer(*sslot, &mProducerBuffers[pslot]);
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if (result < 0) {
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mProducerBuffers[pslot].clear();
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mSource[source]->cancelBuffer(*sslot, *fence);
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return result;
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}
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VDS_LOGV("%s(%s): buffers[%d]=%p fmt=%d usage=%#" PRIx64, __func__,
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ftl::enum_string(source).c_str(), pslot, mProducerBuffers[pslot].get(),
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mProducerBuffers[pslot]->getPixelFormat(), mProducerBuffers[pslot]->getUsage());
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// propagate reallocation to VDS consumer
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mProducerSlotNeedReallocation |= 1ULL << pslot;
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}
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return result;
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}
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status_t VirtualDisplaySurface::dequeueBuffer(int* pslot, sp<Fence>* fence, uint32_t w, uint32_t h,
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PixelFormat format, uint64_t usage,
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uint64_t* outBufferAge,
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FrameEventHistoryDelta* outTimestamps) {
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if (GpuVirtualDisplayId::tryCast(mDisplayId)) {
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return mSource[SOURCE_SINK]->dequeueBuffer(pslot, fence, w, h, format, usage, outBufferAge,
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outTimestamps);
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}
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VDS_LOGW_IF(mDebugState != DebugState::Prepared, "Unexpected %s in %s state", __func__,
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ftl::enum_string(mDebugState).c_str());
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mDebugState = DebugState::Gpu;
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VDS_LOGV("%s %dx%d fmt=%d usage=%#" PRIx64, __func__, w, h, format, usage);
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status_t result = NO_ERROR;
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Source source = fbSourceForCompositionType(mCompositionType);
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if (source == SOURCE_SINK) {
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if (mOutputProducerSlot < 0) {
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// Last chance bailout if something bad happened earlier. For example,
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// in a graphics API configuration, if the sink disappears then dequeueBuffer
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// will fail, the GPU driver won't queue a buffer, but SurfaceFlinger
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// will soldier on. So we end up here without a buffer. There should
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// be lots of scary messages in the log just before this.
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VDS_LOGE("%s: no buffer, bailing out", __func__);
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return NO_MEMORY;
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}
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// We already dequeued the output buffer. If the GPU driver wants
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// something incompatible, we have to cancel and get a new one. This
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// will mean that HWC will see a different output buffer between
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// prepare and set, but since we're in GPU-only mode already it
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// shouldn't matter.
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usage |= GRALLOC_USAGE_HW_COMPOSER;
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const sp<GraphicBuffer>& buf = mProducerBuffers[mOutputProducerSlot];
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if ((usage & ~buf->getUsage()) != 0 ||
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(format != 0 && format != buf->getPixelFormat()) ||
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(w != 0 && w != mSinkBufferWidth) ||
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(h != 0 && h != mSinkBufferHeight)) {
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VDS_LOGV("%s: dequeueing new output buffer: "
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"want %dx%d fmt=%d use=%#" PRIx64 ", "
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"have %dx%d fmt=%d use=%#" PRIx64,
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__func__, w, h, format, usage, mSinkBufferWidth, mSinkBufferHeight,
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buf->getPixelFormat(), buf->getUsage());
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mOutputFormat = format;
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mOutputUsage = usage;
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result = refreshOutputBuffer();
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if (result < 0)
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return result;
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}
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}
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if (source == SOURCE_SINK) {
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*pslot = mOutputProducerSlot;
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*fence = mOutputFence;
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} else {
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int sslot;
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result = dequeueBuffer(source, format, usage, &sslot, fence);
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if (result >= 0) {
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*pslot = mapSource2ProducerSlot(source, sslot);
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}
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}
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if (outBufferAge) {
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*outBufferAge = 0;
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}
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if ((mProducerSlotNeedReallocation & (1ULL << *pslot)) != 0) {
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result |= BUFFER_NEEDS_REALLOCATION;
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::detachBuffer(int) {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::detachNextBuffer(sp<GraphicBuffer>*, sp<Fence>*) {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::attachBuffer(int*, const sp<GraphicBuffer>&) {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::queueBuffer(int pslot,
|
||
const QueueBufferInput& input, QueueBufferOutput* output) {
|
||
if (GpuVirtualDisplayId::tryCast(mDisplayId)) {
|
||
return mSource[SOURCE_SINK]->queueBuffer(pslot, input, output);
|
||
}
|
||
|
||
VDS_LOGW_IF(mDebugState != DebugState::Gpu, "Unexpected %s(pslot=%d) in %s state", __func__,
|
||
pslot, ftl::enum_string(mDebugState).c_str());
|
||
mDebugState = DebugState::GpuDone;
|
||
|
||
VDS_LOGV("%s pslot=%d", __func__, pslot);
|
||
|
||
status_t result;
|
||
if (mCompositionType == CompositionType::Mixed) {
|
||
// Queue the buffer back into the scratch pool
|
||
QueueBufferOutput scratchQBO;
|
||
int sslot = mapProducer2SourceSlot(SOURCE_SCRATCH, pslot);
|
||
result = mSource[SOURCE_SCRATCH]->queueBuffer(sslot, input, &scratchQBO);
|
||
if (result != NO_ERROR)
|
||
return result;
|
||
|
||
// Now acquire the buffer from the scratch pool -- should be the same
|
||
// slot and fence as we just queued.
|
||
Mutex::Autolock lock(mMutex);
|
||
BufferItem item;
|
||
result = acquireBufferLocked(&item, 0);
|
||
if (result != NO_ERROR)
|
||
return result;
|
||
VDS_LOGW_IF(item.mSlot != sslot,
|
||
"%s: acquired sslot %d from SCRATCH after queueing sslot %d", __func__,
|
||
item.mSlot, sslot);
|
||
mFbProducerSlot = mapSource2ProducerSlot(SOURCE_SCRATCH, item.mSlot);
|
||
mFbFence = mSlots[item.mSlot].mFence;
|
||
|
||
} else {
|
||
LOG_FATAL_IF(mCompositionType != CompositionType::Gpu,
|
||
"Unexpected %s in state %s for composition type %s", __func__,
|
||
ftl::enum_string(mDebugState).c_str(), toString(mCompositionType).c_str());
|
||
|
||
// Extract the GPU release fence for HWC to acquire
|
||
int64_t timestamp;
|
||
bool isAutoTimestamp;
|
||
android_dataspace dataSpace;
|
||
Rect crop;
|
||
int scalingMode;
|
||
uint32_t transform;
|
||
input.deflate(×tamp, &isAutoTimestamp, &dataSpace, &crop,
|
||
&scalingMode, &transform, &mFbFence);
|
||
|
||
mFbProducerSlot = pslot;
|
||
mOutputFence = mFbFence;
|
||
}
|
||
|
||
// This moves the frame timestamps and keeps a copy of all other fields.
|
||
*output = std::move(mQueueBufferOutput);
|
||
return NO_ERROR;
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::cancelBuffer(int pslot,
|
||
const sp<Fence>& fence) {
|
||
if (GpuVirtualDisplayId::tryCast(mDisplayId)) {
|
||
return mSource[SOURCE_SINK]->cancelBuffer(mapProducer2SourceSlot(SOURCE_SINK, pslot), fence);
|
||
}
|
||
|
||
VDS_LOGW_IF(mDebugState != DebugState::Gpu, "Unexpected %s(pslot=%d) in %s state", __func__,
|
||
pslot, ftl::enum_string(mDebugState).c_str());
|
||
VDS_LOGV("%s pslot=%d", __func__, pslot);
|
||
Source source = fbSourceForCompositionType(mCompositionType);
|
||
return mSource[source]->cancelBuffer(
|
||
mapProducer2SourceSlot(source, pslot), fence);
|
||
}
|
||
|
||
int VirtualDisplaySurface::query(int what, int* value) {
|
||
switch (what) {
|
||
case NATIVE_WINDOW_WIDTH:
|
||
*value = mSinkBufferWidth;
|
||
break;
|
||
case NATIVE_WINDOW_HEIGHT:
|
||
*value = mSinkBufferHeight;
|
||
break;
|
||
default:
|
||
return mSource[SOURCE_SINK]->query(what, value);
|
||
}
|
||
return NO_ERROR;
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::connect(const sp<IProducerListener>& listener,
|
||
int api, bool producerControlledByApp,
|
||
QueueBufferOutput* output) {
|
||
QueueBufferOutput qbo;
|
||
status_t result = mSource[SOURCE_SINK]->connect(listener, api,
|
||
producerControlledByApp, &qbo);
|
||
if (result == NO_ERROR) {
|
||
updateQueueBufferOutput(std::move(qbo));
|
||
// This moves the frame timestamps and keeps a copy of all other fields.
|
||
*output = std::move(mQueueBufferOutput);
|
||
}
|
||
return result;
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::disconnect(int api, DisconnectMode mode) {
|
||
return mSource[SOURCE_SINK]->disconnect(api, mode);
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::setSidebandStream(const sp<NativeHandle>&) {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
void VirtualDisplaySurface::allocateBuffers(uint32_t /* width */,
|
||
uint32_t /* height */, PixelFormat /* format */, uint64_t /* usage */) {
|
||
// TODO: Should we actually allocate buffers for a virtual display?
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::allowAllocation(bool /* allow */) {
|
||
return INVALID_OPERATION;
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::setGenerationNumber(uint32_t) {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
String8 VirtualDisplaySurface::getConsumerName() const {
|
||
return String8("VirtualDisplaySurface");
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::setSharedBufferMode(bool) {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::setAutoRefresh(bool) {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::setDequeueTimeout(nsecs_t) {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::getLastQueuedBuffer(sp<GraphicBuffer>*, sp<Fence>*, float[16]) {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::getUniqueId(uint64_t*) const {
|
||
UNSUPPORTED();
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::getConsumerUsage(uint64_t* outUsage) const {
|
||
return mSource[SOURCE_SINK]->getConsumerUsage(outUsage);
|
||
}
|
||
|
||
void VirtualDisplaySurface::updateQueueBufferOutput(
|
||
QueueBufferOutput&& qbo) {
|
||
mQueueBufferOutput = std::move(qbo);
|
||
mQueueBufferOutput.transformHint = 0;
|
||
}
|
||
|
||
void VirtualDisplaySurface::resetPerFrameState() {
|
||
mCompositionType = CompositionType::Unknown;
|
||
mFbFence = Fence::NO_FENCE;
|
||
mOutputFence = Fence::NO_FENCE;
|
||
mOutputProducerSlot = -1;
|
||
mFbProducerSlot = -1;
|
||
}
|
||
|
||
status_t VirtualDisplaySurface::refreshOutputBuffer() {
|
||
LOG_ALWAYS_FATAL_IF(GpuVirtualDisplayId::tryCast(mDisplayId).has_value());
|
||
|
||
mOutputUsage = mOutputUsage | MALI_GRALLOC_USAGE_NO_AFBC;
|
||
|
||
if (mOutputProducerSlot >= 0) {
|
||
mSource[SOURCE_SINK]->cancelBuffer(
|
||
mapProducer2SourceSlot(SOURCE_SINK, mOutputProducerSlot),
|
||
mOutputFence);
|
||
}
|
||
|
||
int sslot;
|
||
status_t result = dequeueBuffer(SOURCE_SINK, mOutputFormat, mOutputUsage,
|
||
&sslot, &mOutputFence);
|
||
if (result < 0)
|
||
return result;
|
||
mOutputProducerSlot = mapSource2ProducerSlot(SOURCE_SINK, sslot);
|
||
|
||
// On GPU-only frames, we don't have the right output buffer acquire fence
|
||
// until after GPU calls queueBuffer(). So here we just set the buffer
|
||
// (for use in HWC prepare) but not the fence; we'll call this again with
|
||
// the proper fence once we have it.
|
||
const auto halDisplayId = HalVirtualDisplayId::tryCast(mDisplayId);
|
||
LOG_FATAL_IF(!halDisplayId);
|
||
result = mHwc.setOutputBuffer(*halDisplayId, Fence::NO_FENCE,
|
||
mProducerBuffers[mOutputProducerSlot]);
|
||
|
||
return result;
|
||
}
|
||
|
||
// This slot mapping function is its own inverse, so two copies are unnecessary.
|
||
// Both are kept to make the intent clear where the function is called, and for
|
||
// the (unlikely) chance that we switch to a different mapping function.
|
||
int VirtualDisplaySurface::mapSource2ProducerSlot(Source source, int sslot) {
|
||
if (source == SOURCE_SCRATCH) {
|
||
return BufferQueue::NUM_BUFFER_SLOTS - sslot - 1;
|
||
} else {
|
||
return sslot;
|
||
}
|
||
}
|
||
int VirtualDisplaySurface::mapProducer2SourceSlot(Source source, int pslot) {
|
||
return mapSource2ProducerSlot(source, pslot);
|
||
}
|
||
|
||
auto VirtualDisplaySurface::fbSourceForCompositionType(CompositionType type) -> Source {
|
||
return type == CompositionType::Mixed ? SOURCE_SCRATCH : SOURCE_SINK;
|
||
}
|
||
|
||
std::string VirtualDisplaySurface::toString(CompositionType type) {
|
||
using namespace std::literals;
|
||
return type == CompositionType::Unknown ? "Unknown"s : ftl::Flags(type).string();
|
||
}
|
||
|
||
} // namespace android
|
||
|
||
// TODO(b/129481165): remove the #pragma below and fix conversion issues
|
||
#pragma clang diagnostic pop // ignored "-Wconversion"
|