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				https://github.com/SoftFever/OrcaSlicer.git
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			266 lines
		
	
	
	
		
			8.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			266 lines
		
	
	
	
		
			8.8 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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| // 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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| 
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| #include <stdlib.h>
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| #include <stdio.h>
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| #include <GL/GL.h>
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| 
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| #include <string>
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| #include <vector>
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| 
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| #include <boost/algorithm/string/split.hpp>
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| #include <boost/algorithm/string/classification.hpp>
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| 
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| #include <stdio.h>
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| 
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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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| 
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| 	HINSTANCE   hOpenGL = nullptr;
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| 	bool 		success = false;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| protected:
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| 	static bool message_pump_exit;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| bool OpenGLVersionCheck::message_pump_exit = false;
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| 
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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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| 
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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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| 
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| 	std::vector<wchar_t*> argv_extended;
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| 	argv_extended.emplace_back(argv[0]);
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| 	// Here one may push some additional parameters based on the wrapper type.
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| 	for (int i = 1; i < argc; ++ i)
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| 		argv_extended.emplace_back(argv[i]);
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| 	argv_extended.emplace_back(nullptr);
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| 
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| 	OpenGLVersionCheck opengl_version_check;
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| 	bool load_mesa = ! opengl_version_check.load_opengl_dll() || ! opengl_version_check.is_version_greater_or_equal_to(2, 0);
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| 
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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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| 
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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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| 
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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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| 
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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(argv_extended.size() - 1, argv_extended.data());
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| }
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