144 lines
No EOL
4.2 KiB
C++
144 lines
No EOL
4.2 KiB
C++
/*
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* Copyright (C) 2024 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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#include <unordered_map>
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#include <vector>
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#include <aidl/android/hardware/graphics/composer3/CommandError.h>
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#include <aidl/android/hardware/graphics/composer3/CommandResultPayload.h>
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#include <aidl/android/hardware/graphics/composer3/PresentFence.h>
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#include <aidl/android/hardware/graphics/composer3/PresentOrValidate.h>
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#include <aidl/android/hardware/graphics/composer3/ReleaseFences.h>
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#include <android-base/unique_fd.h>
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namespace aidl::android::hardware::graphics::composer3 {
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namespace hwc3 {
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enum class Error;
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} // namespace hwc3
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struct DisplayChanges {
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std::optional<ChangedCompositionTypes> composition_changes;
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std::optional<DisplayRequest> display_request_changes;
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void AddLayerCompositionChange(int64_t display_handle, int64_t layer_id,
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Composition layer_composition) {
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if (!composition_changes) {
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composition_changes.emplace();
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composition_changes->display = display_handle;
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}
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ChangedCompositionLayer composition_change;
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composition_change.layer = layer_id;
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composition_change.composition = layer_composition;
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composition_changes->layers.emplace_back(composition_change);
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}
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void ClearLayerCompositionChanges() {
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composition_changes.reset();
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}
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bool HasAnyChanges() const {
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return composition_changes.has_value() ||
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display_request_changes.has_value();
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}
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void Reset() {
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composition_changes.reset();
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display_request_changes.reset();
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}
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};
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class CommandResultWriter {
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public:
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explicit CommandResultWriter(std::vector<CommandResultPayload>* results)
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: results_(results) {
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}
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bool HasError() const {
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return has_error_;
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}
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void IncrementCommand() {
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index_++;
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has_error_ = false;
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}
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void AddError(hwc3::Error error) {
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CommandError command_error;
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command_error.errorCode = static_cast<int32_t>(error);
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command_error.commandIndex = static_cast<int32_t>(index_);
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results_->emplace_back(command_error);
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has_error_ = true;
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}
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void AddPresentFence(int64_t display_handle,
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::android::base::unique_fd fence) {
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if (!fence.ok()) {
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return;
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}
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PresentFence present_fence;
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present_fence.fence = ::ndk::ScopedFileDescriptor(fence.release());
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present_fence.display = display_handle;
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results_->emplace_back(std::move(present_fence));
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}
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void AddReleaseFence(
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int64_t display_handle,
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std::unordered_map<int64_t, ::android::base::unique_fd>& layer_fences) {
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ReleaseFences release_fences;
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release_fences.display = display_handle;
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for (auto& [layer, fence] : layer_fences) {
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if (!fence.ok()) {
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continue;
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}
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ReleaseFences::Layer layer_result;
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layer_result.layer = layer;
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layer_result.fence = ::ndk::ScopedFileDescriptor(fence.release());
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release_fences.layers.emplace_back(std::move(layer_result));
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}
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results_->emplace_back(std::move(release_fences));
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}
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void AddChanges(const DisplayChanges& changes) {
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if (changes.composition_changes) {
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results_->emplace_back(*changes.composition_changes);
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}
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if (changes.display_request_changes) {
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results_->emplace_back(*changes.display_request_changes);
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}
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}
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void AddPresentOrValidateResult(int64_t display_handle,
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const PresentOrValidate::Result& pov_result) {
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PresentOrValidate pov_command;
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pov_command.display = display_handle;
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pov_command.result = pov_result;
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results_->emplace_back(pov_command);
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}
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private:
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size_t index_{0};
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bool has_error_{false};
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std::vector<CommandResultPayload>* results_{nullptr};
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};
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}; // namespace aidl::android::hardware::graphics::composer3
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