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https://github.com/MaSzyna-EU07/maszyna.git
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53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
#include "stdafx.h"
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#include "rendering/screenshot.h"
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#include "utilities/Globals.h"
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#include "utilities/Logs.h"
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#include "utilities/utilities.h"
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#include <png.h>
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void screenshot_manager::screenshot_save_thread( char *img, int w, int h )
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{
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png_image png;
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memset(&png, 0, sizeof(png_image));
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png.version = PNG_IMAGE_VERSION;
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png.width = w;
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png.height = h;
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png.format = PNG_FORMAT_RGB;
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int stride = -w * 3;
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std::array<char, 64> datetime{};
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std::tm const tm_info = local_tm(std::time(nullptr));
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strftime(datetime.data(), datetime.size(), "%Y-%m-%d_%H-%M-%S", &tm_info);
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uint64_t perf;
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#ifdef _WIN32
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QueryPerformanceCounter((LARGE_INTEGER*)&perf);
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#elif __unix__
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timespec ts;
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clock_gettime(CLOCK_REALTIME, &ts);
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perf = ts.tv_nsec;
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#endif
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std::string filename = Global.screenshot_dir + "/" + std::string(datetime.data()) +
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"_" + std::to_string(perf) + ".png";
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if (png_image_write_to_file(&png, filename.c_str(), 0, img, stride, nullptr) == 1)
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WriteLog("saved " + filename);
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else
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WriteLog("failed to save " + filename);
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delete[] img;
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}
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void screenshot_manager::make_screenshot()
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{
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auto img = new char[Global.fb_size.x * Global.fb_size.y * 4];
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glReadPixels(0, 0, Global.fb_size.x, Global.fb_size.y, GL_RGB, GL_UNSIGNED_BYTE, (GLvoid*)img);
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//m7t: use pbo
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std::thread t(screenshot_save_thread, img, Global.fb_size.x, Global.fb_size.y);
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t.detach();
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}
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