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/*
* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __QTICOMPOSERCLIENT_H__
#define __QTICOMPOSERCLIENT_H__
#include <vendor/qti/hardware/display/composer/3.0/IQtiComposerClient.h>
#include <hidl/MQDescriptor.h>
#include <hidl/Status.h>
#include <log/log.h>
#include <unordered_set>
#include <vector>
#include <string>
#include "hwc_session.h"
#include "QtiComposerCommandBuffer.h"
#include "QtiComposerHandleImporter.h"
namespace vendor {
namespace qti {
namespace hardware {
namespace display {
namespace composer {
namespace V3_0 {
namespace implementation {
namespace common_V1_0 = ::android::hardware::graphics::common::V1_0;
namespace common_V1_1 = ::android::hardware::graphics::common::V1_1;
namespace common_V1_2 = ::android::hardware::graphics::common::V1_2;
namespace composer_V2_1 = ::android::hardware::graphics::composer::V2_1;
namespace composer_V2_2 = ::android::hardware::graphics::composer::V2_2;
namespace composer_V2_3 = ::android::hardware::graphics::composer::V2_3;
namespace composer_V2_4 = ::android::hardware::graphics::composer::V2_4;
using PerFrameMetadataKey_V2 = composer_V2_2::IComposerClient::PerFrameMetadataKey;
using PerFrameMetadataKey = composer_V2_3::IComposerClient::PerFrameMetadataKey;
using ::android::hardware::MQDescriptorSync;
using ::android::hardware::hidl_string;
using ::android::hardware::hidl_vec;
using ::android::hardware::Return;
using ::android::hardware::Void;
using ::android::sp;
using ::android::hardware::hidl_handle;
using ::android::hardware::hidl_bitfield;
using ::android::hardware::graphics::composer::V2_1::Error;
using sdm::HWCSession;
using sdm::Fence;
class BufferCacheEntry {
public:
BufferCacheEntry();
BufferCacheEntry(BufferCacheEntry&& other);
BufferCacheEntry(const BufferCacheEntry& other) = delete;
BufferCacheEntry& operator=(const BufferCacheEntry& other) = delete;
BufferCacheEntry& operator=(buffer_handle_t handle);
~BufferCacheEntry();
buffer_handle_t getHandle() const { return mHandle; }
private:
void clear();
buffer_handle_t mHandle;
};
class QtiComposerClient : public IQtiComposerClient {
QtiComposerClient();
virtual ~QtiComposerClient();
static QtiComposerClient* qti_composerclient_instance_;
public:
// Methods from ::android::hardware::graphics::composer::V2_1::IComposerClient follow.
Return<void> registerCallback(const sp<composer_V2_1::IComposerCallback>& callback) override;
Return<uint32_t> getMaxVirtualDisplayCount() override;
Return<void> createVirtualDisplay(uint32_t width, uint32_t height,
common_V1_0::PixelFormat formatHint,
uint32_t outputBufferSlotCount,
createVirtualDisplay_cb _hidl_cb) override;
Return<Error> destroyVirtualDisplay(uint64_t display) override;
Return<void> createLayer(uint64_t display, uint32_t bufferSlotCount,
createLayer_cb _hidl_cb) override;
Return<Error> destroyLayer(uint64_t display, uint64_t layer) override;
Return<void> getActiveConfig(uint64_t display, getActiveConfig_cb _hidl_cb) override;
Return<Error> getClientTargetSupport(uint64_t display, uint32_t width, uint32_t height,
common_V1_0::PixelFormat format,
common_V1_0::Dataspace dataspace) override;
Return<void> getColorModes(uint64_t display, getColorModes_cb _hidl_cb) override;
Return<void> getDisplayAttribute(uint64_t display, uint32_t config,
composer_V2_1::IComposerClient::Attribute attribute,
getDisplayAttribute_cb _hidl_cb) override;
Return<void> getDisplayConfigs(uint64_t display, getDisplayConfigs_cb _hidl_cb) override;
Return<void> getDisplayName(uint64_t display, getDisplayName_cb _hidl_cb) override;
Return<void> getDisplayType(uint64_t display, getDisplayType_cb _hidl_cb) override;
Return<void> getDozeSupport(uint64_t display, getDozeSupport_cb _hidl_cb) override;
Return<void> getHdrCapabilities(uint64_t display, getHdrCapabilities_cb _hidl_cb) override;
Return<Error> setClientTargetSlotCount(uint64_t display,
uint32_t clientTargetSlotCount) override;
Return<Error> setActiveConfig(uint64_t display, uint32_t config) override;
Return<Error> setColorMode(uint64_t display, common_V1_0::ColorMode mode) override;
Return<Error> setPowerMode(uint64_t display,
composer_V2_1::IComposerClient::PowerMode mode) override;
Return<Error> setVsyncEnabled(uint64_t display,
composer_V2_1::IComposerClient::Vsync enabled) override;
Return<Error> setInputCommandQueue(const MQDescriptorSync<uint32_t>& descriptor) override;
Return<void> getOutputCommandQueue(getOutputCommandQueue_cb _hidl_cb) override;
Return<void> executeCommands(uint32_t inLength, const hidl_vec<hidl_handle>& inHandles,
executeCommands_cb _hidl_cb) override;
// Methods from ::android::hardware::graphics::composer::V2_2::IComposerClient follow.
Return<void> getPerFrameMetadataKeys(uint64_t display,
getPerFrameMetadataKeys_cb _hidl_cb) override;
Return<void> getReadbackBufferAttributes(uint64_t display,
getReadbackBufferAttributes_cb _hidl_cb) override;
Return<void> getReadbackBufferFence(uint64_t display,
getReadbackBufferFence_cb _hidl_cb) override;
Return<Error> setReadbackBuffer(uint64_t display, const hidl_handle& buffer,
const hidl_handle& releaseFence) override;
Return<void> createVirtualDisplay_2_2(uint32_t width, uint32_t height,
common_V1_1::PixelFormat formatHint,
uint32_t outputBufferSlotCount,
createVirtualDisplay_2_2_cb _hidl_cb) override;
Return<Error> getClientTargetSupport_2_2(uint64_t display, uint32_t width, uint32_t height,
common_V1_1::PixelFormat format,
common_V1_1::Dataspace dataspace) override;
Return<Error> setPowerMode_2_2(uint64_t display,
composer_V2_2::IComposerClient::PowerMode mode) override;
Return<void> getColorModes_2_2(uint64_t display, getColorModes_2_2_cb _hidl_cb) override;
Return<void> getRenderIntents(uint64_t display, common_V1_1::ColorMode mode,
getRenderIntents_cb _hidl_cb) override;
Return<Error> setColorMode_2_2(uint64_t display, common_V1_1::ColorMode mode,
common_V1_1::RenderIntent intent) override;
Return<void> getDataspaceSaturationMatrix(common_V1_1::Dataspace dataspace,
getDataspaceSaturationMatrix_cb _hidl_cb) override;
Return<void> executeCommands_2_2(uint32_t inLength, const hidl_vec<hidl_handle>& inHandles,
executeCommands_2_2_cb _hidl_cb) override;
// Methods from ::android::hardware::graphics::composer::V2_3::IComposerClient follow.
Return<void> getDisplayIdentificationData(uint64_t display,
getDisplayIdentificationData_cb _hidl_cb) override;
Return<void> getReadbackBufferAttributes_2_3(uint64_t display,
getReadbackBufferAttributes_2_3_cb _hidl_cb) override;
Return<Error> getClientTargetSupport_2_3(uint64_t display, uint32_t width, uint32_t height,
common_V1_2::PixelFormat format,
common_V1_2::Dataspace dataspace) override;
Return<void> getDisplayedContentSamplingAttributes(uint64_t display,
getDisplayedContentSamplingAttributes_cb _hidl_cb) override;
Return<Error> setDisplayedContentSamplingEnabled(uint64_t display,
composer_V2_3::IComposerClient::DisplayedContentSampling enable,
hidl_bitfield<FormatColorComponent> componentMask,
uint64_t maxFrames) override;
Return<void> getDisplayedContentSample(uint64_t display, uint64_t maxFrames,
uint64_t timestamp,
getDisplayedContentSample_cb _hidl_cb) override;
Return<void> executeCommands_2_3(uint32_t inLength, const hidl_vec<hidl_handle>& inHandles,
executeCommands_2_3_cb _hidl_cb) override;
Return<void> getRenderIntents_2_3(uint64_t display, common_V1_2::ColorMode mode,
getRenderIntents_2_3_cb _hidl_cb) override;
Return<void> getColorModes_2_3(uint64_t display, getColorModes_2_3_cb _hidl_cb) override;
Return<Error> setColorMode_2_3(uint64_t display, common_V1_2::ColorMode mode,
common_V1_1::RenderIntent intent) override;
Return<void> getDisplayCapabilities(uint64_t display,
getDisplayCapabilities_cb _hidl_cb) override;
Return<void> getPerFrameMetadataKeys_2_3(uint64_t display,
getPerFrameMetadataKeys_2_3_cb _hidl_cb) override;
Return<void> getHdrCapabilities_2_3(uint64_t display,
getHdrCapabilities_2_3_cb _hidl_cb) override;
Return<void> getDisplayBrightnessSupport(uint64_t display,
getDisplayBrightnessSupport_cb _hidl_cb) override;
Return<Error> setDisplayBrightness(uint64_t display, float brightness) override;
// Methods from ::android::hardware::graphics::composer::V2_4::IComposerClient follow.
Return<void> registerCallback_2_4(const sp<composer_V2_4::IComposerCallback> &callback) override;
Return<void> getDisplayCapabilities_2_4(uint64_t display,
getDisplayCapabilities_2_4_cb _hidl_cb) override;
Return<void> getDisplayConnectionType(uint64_t display,
getDisplayConnectionType_cb _hidl_cb) override;
Return<void> getDisplayAttribute_2_4(uint64_t display, uint32_t config,
composer_V2_4::IComposerClient::Attribute attribute,
getDisplayAttribute_2_4_cb _hidl_cb) override;
Return<void> getDisplayVsyncPeriod(uint64_t display, getDisplayVsyncPeriod_cb _hidl_cb) override;
Return<void> setActiveConfigWithConstraints(
uint64_t display, uint32_t config,
const VsyncPeriodChangeConstraints &vsyncPeriodChangeConstraints,
setActiveConfigWithConstraints_cb _hidl_cb) override;
Return<composer_V2_4::Error> setAutoLowLatencyMode(uint64_t display, bool on) override;
Return<void> getSupportedContentTypes(uint64_t display,
getSupportedContentTypes_cb _hidl_cb) override;
Return<composer_V2_4::Error> setContentType(
uint64_t display, composer_V2_4::IComposerClient::ContentType type) override;
Return<void> getLayerGenericMetadataKeys(getLayerGenericMetadataKeys_cb _hidl_cb) override;
// Methods for RegisterCallback
void enableCallback(bool enable);
static void onHotplug(hwc2_callback_data_t callbackData, hwc2_display_t display,
int32_t connected);
static void onRefresh(hwc2_callback_data_t callbackData, hwc2_display_t display);
static void onVsync(hwc2_callback_data_t callbackData, hwc2_display_t display,
int64_t timestamp);
static void onVsync_2_4(hwc2_callback_data_t callbackData, hwc2_display_t display,
int64_t timestamp, VsyncPeriodNanos vsyncPeriodNanos);
static void onVsyncPeriodTimingChanged(hwc2_callback_data_t callbackData,
hwc2_display_t display,
hwc_vsync_period_change_timeline_t* updatedTimeline);
static void onSeamlessPossible(hwc2_callback_data_t callbackData, hwc2_display_t display);
// Methods for ConcurrentWriteBack
hidl_handle getFenceHandle(const shared_ptr<Fence>& fence, char* handleStorage);
Error getFence(const hidl_handle& fenceHandle, shared_ptr<sdm::Fence>* outFence,
const string& name);
Error getDisplayReadbackBuffer(Display display, const native_handle_t* rawHandle,
const native_handle_t** outHandle);
// Methods to check support of specific features like skip_validate
std::unordered_set<hwc2_capability_t> mCapabilities;
void getCapabilities();
bool hasCapability(hwc2_capability_t capability) {
return (mCapabilities.count(capability) > 0);
}
static QtiComposerClient* CreateQtiComposerClientInstance() {
if (!qti_composerclient_instance_) {
qti_composerclient_instance_ = new QtiComposerClient();
return qti_composerclient_instance_;
}
return nullptr;
}
void onLastStrongRef(const void* id) {
if (qti_composerclient_instance_) {
qti_composerclient_instance_ = nullptr;
}
}
private:
struct LayerBuffers {
std::vector<BufferCacheEntry> Buffers;
// the handle is a sideband stream handle, not a buffer handle
BufferCacheEntry SidebandStream;
};
struct DisplayData {
bool IsVirtual;
std::vector<BufferCacheEntry> ClientTargets;
std::vector<BufferCacheEntry> OutputBuffers;
std::unordered_map<Layer, LayerBuffers> Layers;
explicit DisplayData(bool isVirtual) : IsVirtual(isVirtual) {}
};
class CommandReader : public CommandReaderBase {
public:
explicit CommandReader(QtiComposerClient& client);
Error parse();
Error validateDisplay(Display display, std::vector<Layer>& changedLayers,
std::vector<IComposerClient::Composition>& compositionTypes,
uint32_t& displayRequestMask, std::vector<Layer>& requestedLayers,
std::vector<uint32_t>& requestMasks);
Error presentDisplay(Display display, shared_ptr<Fence>* presentFence,
std::vector<Layer>& layers,
std::vector<shared_ptr<Fence>>& releaseFences);
private:
// Commands from ::android::hardware::graphics::composer::V2_1::IComposerClient follow.
bool parseSelectDisplay(uint16_t length);
bool parseSelectLayer(uint16_t length);
bool parseSetColorTransform(uint16_t length);
bool parseSetClientTarget(uint16_t length);
bool parseSetOutputBuffer(uint16_t length);
bool parseValidateDisplay(uint16_t length);
bool parseAcceptDisplayChanges(uint16_t length);
bool parsePresentDisplay(uint16_t length);
bool parsePresentOrValidateDisplay(uint16_t length);
bool parseSetLayerCursorPosition(uint16_t length);
bool parseSetLayerBuffer(uint16_t length);
bool parseSetLayerSurfaceDamage(uint16_t length);
bool parseSetLayerBlendMode(uint16_t length);
bool parseSetLayerColor(uint16_t length);
bool parseSetLayerCompositionType(uint16_t length);
bool parseSetLayerDataspace(uint16_t length);
bool parseSetLayerDisplayFrame(uint16_t length);
bool parseSetLayerPlaneAlpha(uint16_t length);
bool parseSetLayerSidebandStream(uint16_t length);
bool parseSetLayerSourceCrop(uint16_t length);
bool parseSetLayerTransform(uint16_t length);
bool parseSetLayerVisibleRegion(uint16_t length);
bool parseSetLayerZOrder(uint16_t length);
bool parseSetLayerType(uint16_t length);
// Commands from ::android::hardware::graphics::composer::V2_2::IComposerClient follow.
bool parseSetLayerPerFrameMetadata(uint16_t length);
bool parseSetLayerFloatColor(uint16_t length);
// Commands from ::android::hardware::graphics::composer::V2_3::IComposerClient follow.
bool parseSetLayerColorTransform(uint16_t length);
bool parseSetLayerPerFrameMetadataBlobs(uint16_t length);
bool parseSetDisplayElapseTime(uint16_t length);
bool parseCommonCmd(IComposerClient::Command command, uint16_t length);
hwc_rect_t readRect();
std::vector<hwc_rect_t> readRegion(size_t count);
hwc_frect_t readFRect();
QtiComposerClient& mClient;
CommandWriter& mWriter;
Display mDisplay;
Layer mLayer;
// Buffer cache impl
enum class BufferCache {
CLIENT_TARGETS,
OUTPUT_BUFFERS,
LAYER_BUFFERS,
LAYER_SIDEBAND_STREAMS,
};
Error lookupBufferCacheEntryLocked(BufferCache cache, uint32_t slot,
BufferCacheEntry** outEntry);
Error lookupBuffer(BufferCache cache, uint32_t slot, bool useCache, buffer_handle_t handle,
buffer_handle_t* outHandle);
Error updateBuffer(BufferCache cache, uint32_t slot, bool useCache, buffer_handle_t handle);
Error lookupLayerSidebandStream(buffer_handle_t handle, buffer_handle_t* outHandle) {
return lookupBuffer(BufferCache::LAYER_SIDEBAND_STREAMS, 0, false, handle, outHandle);
}
Error updateLayerSidebandStream(buffer_handle_t handle) {
return updateBuffer(BufferCache::LAYER_SIDEBAND_STREAMS, 0, false, handle);
}
};
HWCSession *hwc_session_ = nullptr;
sp<composer_V2_1::IComposerCallback> callback_ = nullptr;
sp<composer_V2_4::IComposerCallback> callback24_ = nullptr;
bool mUseCallback24_ = false;
std::mutex mCommandMutex;
// 64KiB minus a small space for metadata such as read/write pointers */
static constexpr size_t kWriterInitialSize = 64 * 1024 / sizeof(uint32_t) - 16;
CommandWriter mWriter;
CommandReader mReader;
std::mutex mDisplayDataMutex;
std::unordered_map<Display, DisplayData> mDisplayData;
};
extern "C" IQtiComposerClient* HIDL_FETCH_IQtiComposerClient(const char* name);
} // namespace implementation
} // namespace V3_0
} // namespace composer
} // namespace display
} // namespace hardware
} // namespace qti
} // namespace vendor
#endif // __QTICOMPOSERCLIENT_H__