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OrcaSlicer-bambulab/src/slic3r_app_msvc.cpp
T
bubnikv bc6901891b Extended the Windows wrapper to test for OpenGL 2.0 and
in case the defautl opengl32.dll does not provide an OpenGL 2.0 context,
try to load the bundled Mesa OpenGL.
2018-10-26 16:25:27 +02:00

244 lines
8.0 KiB
C++

// Why?
#define _WIN32_WINNT 0x0502
// The standard Windows includes.
#define WIN32_LEAN_AND_MEAN
#define NOMINMAX
#include <Windows.h>
#include <shellapi.h>
#include <wchar.h>
// Let the NVIDIA and AMD know we want to use their graphics card
// on a dual graphics card system.
__declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
#include <stdlib.h>
#include <stdio.h>
#include <GL/GL.h>
#include <string>
#include <vector>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/classification.hpp>
class OpenGLVersionCheck
{
public:
std::string version;
std::string glsl_version;
std::string vendor;
std::string renderer;
HINSTANCE hOpenGL = nullptr;
bool success = false;
bool load_opengl_dll()
{
MSG msg = {0};
WNDCLASS wc = {0};
wc.lpfnWndProc = OpenGLVersionCheck::supports_opengl2_wndproc;
wc.hInstance = (HINSTANCE)GetModuleHandle(nullptr);
wc.hbrBackground = (HBRUSH)(COLOR_BACKGROUND);
wc.lpszClassName = L"slic3r_opengl_version_check";
wc.style = CS_OWNDC;
if (RegisterClass(&wc)) {
HWND hwnd = CreateWindowW(wc.lpszClassName, L"slic3r_opengl_version_check", WS_OVERLAPPEDWINDOW, 0, 0, 640, 480, 0, 0, wc.hInstance, (LPVOID)this);
if (hwnd) {
this->message_pump_exit = false;
while (GetMessage(&msg, NULL, 0, 0 ) > 0 && ! this->message_pump_exit)
DispatchMessage(&msg);
}
}
return this->success;
}
void unload_opengl_dll()
{
if (this->hOpenGL) {
FreeLibrary(this->hOpenGL);
this->hOpenGL = nullptr;
}
}
bool is_version_greater_or_equal_to(unsigned int major, unsigned int minor) const
{
std::vector<std::string> tokens;
boost::split(tokens, version, boost::is_any_of(" "), boost::token_compress_on);
if (tokens.empty())
return false;
std::vector<std::string> numbers;
boost::split(numbers, tokens[0], boost::is_any_of("."), boost::token_compress_on);
unsigned int gl_major = 0;
unsigned int gl_minor = 0;
if (numbers.size() > 0)
gl_major = ::atoi(numbers[0].c_str());
if (numbers.size() > 1)
gl_minor = ::atoi(numbers[1].c_str());
if (gl_major < major)
return false;
else if (gl_major > major)
return true;
else
return gl_minor >= minor;
}
protected:
bool message_pump_exit = false;
void check(HWND hWnd)
{
hOpenGL = LoadLibraryExW(L"opengl32.dll", nullptr, 0);
if (hOpenGL == nullptr) {
printf("Failed loading the system opengl32.dll\n");
return;
}
typedef HGLRC (WINAPI *Func_wglCreateContext)(HDC);
typedef BOOL (WINAPI *Func_wglMakeCurrent )(HDC, HGLRC);
typedef BOOL (WINAPI *Func_wglDeleteContext)(HGLRC);
typedef GLubyte* (WINAPI *Func_glGetString )(GLenum);
Func_wglCreateContext wglCreateContext = (Func_wglCreateContext)GetProcAddress(hOpenGL, "wglCreateContext");
Func_wglMakeCurrent wglMakeCurrent = (Func_wglMakeCurrent) GetProcAddress(hOpenGL, "wglMakeCurrent");
Func_wglDeleteContext wglDeleteContext = (Func_wglDeleteContext)GetProcAddress(hOpenGL, "wglDeleteContext");
Func_glGetString glGetString = (Func_glGetString) GetProcAddress(hOpenGL, "glGetString");
if (wglCreateContext == nullptr || wglMakeCurrent == nullptr || wglDeleteContext == nullptr || glGetString == nullptr) {
printf("Failed loading the system opengl32.dll: The library is invalid.\n");
return;
}
PIXELFORMATDESCRIPTOR pfd =
{
sizeof(PIXELFORMATDESCRIPTOR),
1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA, // The kind of framebuffer. RGBA or palette.
32, // Color depth of the framebuffer.
0, 0, 0, 0, 0, 0,
0,
0,
0,
0, 0, 0, 0,
24, // Number of bits for the depthbuffer
8, // Number of bits for the stencilbuffer
0, // Number of Aux buffers in the framebuffer.
PFD_MAIN_PLANE,
0,
0, 0, 0
};
HDC ourWindowHandleToDeviceContext = ::GetDC(hWnd);
// Gdi32.dll
int letWindowsChooseThisPixelFormat = ::ChoosePixelFormat(ourWindowHandleToDeviceContext, &pfd);
// Gdi32.dll
SetPixelFormat(ourWindowHandleToDeviceContext,letWindowsChooseThisPixelFormat, &pfd);
// Opengl32.dll
HGLRC glcontext = wglCreateContext(ourWindowHandleToDeviceContext);
wglMakeCurrent(ourWindowHandleToDeviceContext, glcontext);
// Opengl32.dll
const char *data = (const char*)glGetString(GL_VERSION);
if (data != nullptr)
this->version = data;
data = (const char*)glGetString(0x8B8C); // GL_SHADING_LANGUAGE_VERSION
if (data != nullptr)
this->glsl_version = data;
data = (const char*)glGetString(GL_VENDOR);
if (data != nullptr)
this->vendor = data;
data = (const char*)glGetString(GL_RENDERER);
if (data != nullptr)
this->renderer = data;
// Opengl32.dll
wglDeleteContext(glcontext);
this->success = true;
}
static LRESULT CALLBACK supports_opengl2_wndproc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch(message)
{
case WM_CREATE:
{
CREATESTRUCT *pCreate = reinterpret_cast<CREATESTRUCT*>(lParam);
OpenGLVersionCheck *ogl_data = reinterpret_cast<OpenGLVersionCheck*>(pCreate->lpCreateParams);
ogl_data->check(hWnd);
DestroyWindow(hWnd);
ogl_data->message_pump_exit = true;
return 0;
}
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
}
};
typedef int (__stdcall *Slic3rMainFunc)(int argc, wchar_t **argv);
#ifdef SLIC3R_WRAPPER_NOCONSOLE
int APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, wchar_t *lpCmdLine, int nCmdShow)
{
int argc;
wchar_t **argv = CommandLineToArgvW(lpCmdLine, &argc);
#else
int wmain(int argc, wchar_t **argv)
{
#endif
OpenGLVersionCheck opengl_version_check;
bool load_mesa = ! opengl_version_check.load_opengl_dll() || ! opengl_version_check.is_version_greater_or_equal_to(2, 0);
wchar_t path_to_exe[MAX_PATH + 1] = { 0 };
::GetModuleFileNameW(nullptr, path_to_exe, MAX_PATH);
wchar_t drive[_MAX_DRIVE];
wchar_t dir[_MAX_DIR];
wchar_t fname[_MAX_FNAME];
wchar_t ext[_MAX_EXT];
_wsplitpath(path_to_exe, drive, dir, fname, ext);
_wmakepath(path_to_exe, drive, dir, nullptr, nullptr);
// https://wiki.qt.io/Cross_compiling_Mesa_for_Windows
// http://download.qt.io/development_releases/prebuilt/llvmpipe/windows/
if (load_mesa) {
opengl_version_check.unload_opengl_dll();
wchar_t path_to_mesa[MAX_PATH + 1] = { 0 };
wcscpy(path_to_mesa, path_to_exe);
wcscat(path_to_mesa, L"mesa\\opengl32.dll");
printf("Loading MESA OpenGL library: %S\n", path_to_mesa);
HINSTANCE hInstance_OpenGL = LoadLibraryExW(path_to_mesa, nullptr, 0);
if (hInstance_OpenGL == nullptr) {
printf("MESA OpenGL library was not loaded\n");
}
}
wchar_t path_to_slic3r[MAX_PATH + 1] = { 0 };
wcscpy(path_to_slic3r, path_to_exe);
wcscat(path_to_slic3r, L"slic3r.dll");
// printf("Loading Slic3r library: %S\n", path_to_slic3r);
HINSTANCE hInstance_Slic3r = LoadLibraryExW(path_to_slic3r, nullptr, 0);
if (hInstance_Slic3r == nullptr) {
printf("slic3r.dll was not loaded\n");
return -1;
}
// resolve function address here
Slic3rMainFunc slic3r_main = (Slic3rMainFunc)GetProcAddress(hInstance_Slic3r, "slic3r_main");
if (slic3r_main == nullptr) {
printf("could not locate the function slic3r_main in slic3r.dll\n");
return -1;
}
std::vector<wchar_t*> argv_extended;
argv_extended.emplace_back(argv[0]);
#ifdef SLIC3R_WRAPPER_GUI
std::wstring cmd_gui = L"--gui";
argv_extended.emplace_back(const_cast<wchar_t*>(cmd_gui.data()));
#endif
for (int i = 1; i < argc; ++ i)
argv_extended.emplace_back(argv[i]);
argv_extended.emplace_back(nullptr);
return slic3r_main(argc, argv_extended.data());
}