298 lines
9.6 KiB
C++
298 lines
9.6 KiB
C++
// Why?
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#define _WIN32_WINNT 0x0502
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// The standard Windows includes.
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#define WIN32_LEAN_AND_MEAN
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#define NOMINMAX
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#include <Windows.h>
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#include <shellapi.h>
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#include <wchar.h>
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#ifdef SLIC3R_GUI
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// Let the NVIDIA and AMD know we want to use their graphics card
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// on a dual graphics card system.
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__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
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__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
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#endif /* SLIC3R_GUI */
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef SLIC3R_GUI
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#include <GL/GL.h>
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#endif /* SLIC3R_GUI */
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#include <string>
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#include <vector>
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#include <boost/algorithm/string/split.hpp>
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#include <boost/algorithm/string/classification.hpp>
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#include <stdio.h>
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#ifdef SLIC3R_GUI
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class OpenGLVersionCheck
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{
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public:
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std::string version;
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std::string glsl_version;
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std::string vendor;
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std::string renderer;
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HINSTANCE hOpenGL = nullptr;
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bool success = false;
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bool load_opengl_dll()
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{
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MSG msg = {0};
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WNDCLASS wc = {0};
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wc.lpfnWndProc = OpenGLVersionCheck::supports_opengl2_wndproc;
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wc.hInstance = (HINSTANCE)GetModuleHandle(nullptr);
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wc.hbrBackground = (HBRUSH)(COLOR_BACKGROUND);
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wc.lpszClassName = L"slic3r_opengl_version_check";
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wc.style = CS_OWNDC;
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if (RegisterClass(&wc)) {
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HWND hwnd = CreateWindowW(wc.lpszClassName, L"slic3r_opengl_version_check", WS_OVERLAPPEDWINDOW, 0, 0, 640, 480, 0, 0, wc.hInstance, (LPVOID)this);
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if (hwnd) {
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message_pump_exit = false;
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while (GetMessage(&msg, NULL, 0, 0 ) > 0 && ! message_pump_exit)
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DispatchMessage(&msg);
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}
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}
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return this->success;
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}
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void unload_opengl_dll()
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{
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if (this->hOpenGL) {
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BOOL released = FreeLibrary(this->hOpenGL);
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if (released)
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printf("System OpenGL library released\n");
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else
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printf("System OpenGL library NOT released\n");
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this->hOpenGL = nullptr;
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}
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}
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bool is_version_greater_or_equal_to(unsigned int major, unsigned int minor) const
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{
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// printf("is_version_greater_or_equal_to, version: %s\n", version.c_str());
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std::vector<std::string> tokens;
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boost::split(tokens, version, boost::is_any_of(" "), boost::token_compress_on);
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if (tokens.empty())
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return false;
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std::vector<std::string> numbers;
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boost::split(numbers, tokens[0], boost::is_any_of("."), boost::token_compress_on);
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unsigned int gl_major = 0;
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unsigned int gl_minor = 0;
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if (numbers.size() > 0)
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gl_major = ::atoi(numbers[0].c_str());
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if (numbers.size() > 1)
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gl_minor = ::atoi(numbers[1].c_str());
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// printf("Major: %d, minor: %d\n", gl_major, gl_minor);
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if (gl_major < major)
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return false;
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else if (gl_major > major)
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return true;
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else
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return gl_minor >= minor;
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}
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protected:
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static bool message_pump_exit;
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void check(HWND hWnd)
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{
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hOpenGL = LoadLibraryExW(L"opengl32.dll", nullptr, 0);
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if (hOpenGL == nullptr) {
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printf("Failed loading the system opengl32.dll\n");
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return;
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}
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typedef HGLRC (WINAPI *Func_wglCreateContext)(HDC);
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typedef BOOL (WINAPI *Func_wglMakeCurrent )(HDC, HGLRC);
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typedef BOOL (WINAPI *Func_wglDeleteContext)(HGLRC);
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typedef GLubyte* (WINAPI *Func_glGetString )(GLenum);
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Func_wglCreateContext wglCreateContext = (Func_wglCreateContext)GetProcAddress(hOpenGL, "wglCreateContext");
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Func_wglMakeCurrent wglMakeCurrent = (Func_wglMakeCurrent) GetProcAddress(hOpenGL, "wglMakeCurrent");
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Func_wglDeleteContext wglDeleteContext = (Func_wglDeleteContext)GetProcAddress(hOpenGL, "wglDeleteContext");
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Func_glGetString glGetString = (Func_glGetString) GetProcAddress(hOpenGL, "glGetString");
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if (wglCreateContext == nullptr || wglMakeCurrent == nullptr || wglDeleteContext == nullptr || glGetString == nullptr) {
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printf("Failed loading the system opengl32.dll: The library is invalid.\n");
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return;
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}
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PIXELFORMATDESCRIPTOR pfd =
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{
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sizeof(PIXELFORMATDESCRIPTOR),
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1,
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PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
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PFD_TYPE_RGBA, // The kind of framebuffer. RGBA or palette.
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32, // Color depth of the framebuffer.
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0, 0, 0, 0, 0, 0,
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0,
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0,
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0,
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0, 0, 0, 0,
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24, // Number of bits for the depthbuffer
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8, // Number of bits for the stencilbuffer
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0, // Number of Aux buffers in the framebuffer.
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PFD_MAIN_PLANE,
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0,
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0, 0, 0
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};
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HDC ourWindowHandleToDeviceContext = ::GetDC(hWnd);
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// Gdi32.dll
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int letWindowsChooseThisPixelFormat = ::ChoosePixelFormat(ourWindowHandleToDeviceContext, &pfd);
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// Gdi32.dll
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SetPixelFormat(ourWindowHandleToDeviceContext, letWindowsChooseThisPixelFormat, &pfd);
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// Opengl32.dll
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HGLRC glcontext = wglCreateContext(ourWindowHandleToDeviceContext);
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wglMakeCurrent(ourWindowHandleToDeviceContext, glcontext);
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// Opengl32.dll
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const char *data = (const char*)glGetString(GL_VERSION);
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if (data != nullptr)
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this->version = data;
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// printf("check -version: %s\n", version.c_str());
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data = (const char*)glGetString(0x8B8C); // GL_SHADING_LANGUAGE_VERSION
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if (data != nullptr)
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this->glsl_version = data;
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data = (const char*)glGetString(GL_VENDOR);
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if (data != nullptr)
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this->vendor = data;
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data = (const char*)glGetString(GL_RENDERER);
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if (data != nullptr)
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this->renderer = data;
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// Opengl32.dll
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wglDeleteContext(glcontext);
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::ReleaseDC(hWnd, ourWindowHandleToDeviceContext);
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this->success = true;
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}
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static LRESULT CALLBACK supports_opengl2_wndproc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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switch(message)
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{
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case WM_CREATE:
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{
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CREATESTRUCT *pCreate = reinterpret_cast<CREATESTRUCT*>(lParam);
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OpenGLVersionCheck *ogl_data = reinterpret_cast<OpenGLVersionCheck*>(pCreate->lpCreateParams);
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ogl_data->check(hWnd);
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DestroyWindow(hWnd);
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return 0;
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}
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case WM_NCDESTROY:
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message_pump_exit = true;
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return 0;
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default:
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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}
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};
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bool OpenGLVersionCheck::message_pump_exit = false;
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#endif /* SLIC3R_GUI */
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extern "C" {
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typedef int (__stdcall *Slic3rMainFunc)(int argc, wchar_t **argv);
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Slic3rMainFunc slic3r_main = nullptr;
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}
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#ifdef SLIC3R_WRAPPER_NOCONSOLE
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int APIENTRY wWinMain(HINSTANCE /* hInstance */, HINSTANCE /* hPrevInstance */, PWSTR /* lpCmdLine */, int /* nCmdShow */)
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{
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int argc;
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wchar_t **argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
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#else
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int wmain(int argc, wchar_t **argv)
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{
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#endif
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std::vector<wchar_t*> argv_extended;
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argv_extended.emplace_back(argv[0]);
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#ifdef SLIC3R_GUI
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// Here one may push some additional parameters based on the wrapper type.
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bool force_mesa = false;
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#endif /* SLIC3R_GUI */
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for (int i = 1; i < argc; ++ i) {
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#ifdef SLIC3R_GUI
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if (wcscmp(argv[i], L"--sw-renderer") == 0)
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force_mesa = true;
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else if (wcscmp(argv[i], L"--no-sw-renderer") == 0)
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force_mesa = false;
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#endif /* SLIC3R_GUI */
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argv_extended.emplace_back(argv[i]);
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}
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argv_extended.emplace_back(nullptr);
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#ifdef SLIC3R_GUI
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OpenGLVersionCheck opengl_version_check;
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bool load_mesa =
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// Forced from the command line.
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force_mesa ||
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// Running over a rempote desktop, and the RemoteFX is not enabled, therefore Windows will only provide SW OpenGL 1.1 context.
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// In that case, use Mesa.
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::GetSystemMetrics(SM_REMOTESESSION) ||
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// Try to load the default OpenGL driver and test its context version.
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! opengl_version_check.load_opengl_dll() || ! opengl_version_check.is_version_greater_or_equal_to(2, 0);
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#endif /* SLIC3R_GUI */
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wchar_t path_to_exe[MAX_PATH + 1] = { 0 };
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::GetModuleFileNameW(nullptr, path_to_exe, MAX_PATH);
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wchar_t drive[_MAX_DRIVE];
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wchar_t dir[_MAX_DIR];
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wchar_t fname[_MAX_FNAME];
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wchar_t ext[_MAX_EXT];
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_wsplitpath(path_to_exe, drive, dir, fname, ext);
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_wmakepath(path_to_exe, drive, dir, nullptr, nullptr);
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#ifdef SLIC3R_GUI
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// https://wiki.qt.io/Cross_compiling_Mesa_for_Windows
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// http://download.qt.io/development_releases/prebuilt/llvmpipe/windows/
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if (load_mesa) {
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opengl_version_check.unload_opengl_dll();
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wchar_t path_to_mesa[MAX_PATH + 1] = { 0 };
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wcscpy(path_to_mesa, path_to_exe);
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wcscat(path_to_mesa, L"mesa\\opengl32.dll");
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printf("Loading MESA OpenGL library: %S\n", path_to_mesa);
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HINSTANCE hInstance_OpenGL = LoadLibraryExW(path_to_mesa, nullptr, 0);
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if (hInstance_OpenGL == nullptr) {
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printf("MESA OpenGL library was not loaded\n");
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} else
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printf("MESA OpenGL library was loaded sucessfully\n");
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}
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#endif /* SLIC3R_GUI */
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wchar_t path_to_slic3r[MAX_PATH + 1] = { 0 };
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wcscpy(path_to_slic3r, path_to_exe);
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wcscat(path_to_slic3r, L"slic3r.dll");
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// printf("Loading Slic3r library: %S\n", path_to_slic3r);
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HINSTANCE hInstance_Slic3r = LoadLibraryExW(path_to_slic3r, nullptr, 0);
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if (hInstance_Slic3r == nullptr) {
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printf("slic3r.dll was not loaded\n");
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return -1;
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}
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// resolve function address here
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slic3r_main = (Slic3rMainFunc)GetProcAddress(hInstance_Slic3r,
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#ifdef _WIN64
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// there is just a single calling conversion, therefore no mangling of the function name.
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"slic3r_main"
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#else // stdcall calling convention declaration
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"_slic3r_main@8"
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#endif
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);
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if (slic3r_main == nullptr) {
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printf("could not locate the function slic3r_main in slic3r.dll\n");
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return -1;
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}
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// argc minus the trailing nullptr of the argv
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return slic3r_main((int)argv_extended.size() - 1, argv_extended.data());
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}
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