105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
/* Copyright (c) 2020-2025, Arm Limited and Contributors
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* Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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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 "screenshot.h"
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#include <chrono>
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#include <iomanip>
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#include "rendering/render_context.h"
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namespace plugins
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{
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Screenshot::Screenshot() :
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ScreenshotTags("Screenshot",
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"Save a screenshot of a specific frame",
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{vkb::Hook::OnUpdate, vkb::Hook::OnAppStart, vkb::Hook::PostDraw},
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{},
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{{"screenshot", "Take a screenshot at a given frame"}, {"screenshot-output", "Declare an output name for the image"}})
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{
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}
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bool Screenshot::handle_option(std::deque<std::string> &arguments)
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{
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assert(!arguments.empty() && (arguments[0].substr(0, 2) == "--"));
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std::string option = arguments[0].substr(2);
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if (option == "screenshot")
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{
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if (arguments.size() < 2)
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{
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LOGE("Option \"screenshot\" is missing the frame index to take a screenshot!");
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return false;
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}
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frame_number = static_cast<uint32_t>(std::stoul(arguments[1]));
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arguments.pop_front();
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arguments.pop_front();
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return true;
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}
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else if (option == "screenshot-output")
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{
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if (arguments.size() < 2)
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{
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LOGE("Option \"screenshot-output\" is missing the filename to store the screenshot!");
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return false;
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}
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output_path = arguments[1];
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output_path_set = true;
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arguments.pop_front();
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arguments.pop_front();
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return true;
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}
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return false;
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}
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void Screenshot::on_update(float delta_time)
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{
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current_frame++;
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}
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void Screenshot::on_app_start(const std::string &name)
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{
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current_app_name = name;
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current_frame = 0;
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}
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void Screenshot::on_post_draw(vkb::RenderContext &context)
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{
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if (current_frame == frame_number)
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{
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if (!output_path_set)
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{
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// Create generic image path. <app name>-<current timestamp>.png
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auto timestamp = std::chrono::system_clock::now();
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std::time_t now_tt = std::chrono::system_clock::to_time_t(timestamp);
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std::tm tm = *std::localtime(&now_tt);
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char buffer[30];
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strftime(buffer, sizeof(buffer), "%G-%m-%d---%H-%M-%S", &tm);
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std::stringstream stream;
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stream << current_app_name << "-" << buffer;
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output_path = stream.str();
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}
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screenshot(context, output_path);
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}
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}
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} // namespace plugins
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