void GLWnd::setDoubleBuffered(int db) {
if (db == m_doublebuffered) return;
m_doublebuffered = db;
if (m_rendercontext) {
glShutdown();
glInit();
}
}
int main(int argc, const char * argv[]) {
ModelFactory modelFactory;
teapot = modelFactory.BuildModel("teapot.obj");
std::cout << teapot.m_Info.vertCount << std::endl;
if (!glfwInit())
exit(EXIT_FAILURE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, GL_VERSION_MAJOR);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, GL_VERSION_MINOR);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_SAMPLES, 8);
GLFWwindow* window = glfwCreateWindow(WIN_WIDTH, WIN_HEIGHT, WIN_TITLE, NULL, NULL);
gScreenWidth = WIN_WIDTH;
gScreenHeight = WIN_HEIGHT;
if (!window) {
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
glfwSwapInterval(1);
glInit();
std::cout << glGetString(GL_RENDERER) << std::endl;
std::cout << glGetString(GL_VERSION) << std::endl;
glfwSetKeyCallback(window, KeyCallback);
glfwSetWindowSizeCallback(window, ResizeCallback);
while (!glfwWindowShouldClose(window)) {
glLoop();
glfwPollEvents();
glfwSwapBuffers(window);
}
glShutdown();
glfwDestroyWindow(window);
glfwTerminate();
return 0;
}
int main(int argc, const char * argv[]) {
if (!glfwInit())
exit(EXIT_FAILURE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, GL_VERSION_MAJOR);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, GL_VERSION_MINOR);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWwindow* window = glfwCreateWindow(gScreenWidth, gScreenHeight, WIN_TITLE, NULL, NULL);
if (!window) {
glfwTerminate();
exit(EXIT_FAILURE);
}
glfwMakeContextCurrent(window);
glfwSwapInterval(1);
glInit();
std::cout << glGetString(GL_RENDERER) << std::endl;
std::cout << glGetString(GL_VERSION) << std::endl;
glfwSetKeyCallback(window, KeyCallback);
glfwSetWindowSizeCallback(window, ResizeCallback);
glfwSetCursorPosCallback(window, CursorPosCallback);
while (!glfwWindowShouldClose(window)) {
glLoop();
glfwPollEvents();
glfwSwapBuffers(window);
}
glShutdown();
glfwDestroyWindow(window);
glfwTerminate();
return 0;
}
void GLWnd::glInit() {
if (m_rendercontext || m_dc) glShutdown();
OSWINDOWHANDLE tmpwnd = NULL;
HDC tmpdc = NULL;
tmpwnd = StdWnd::createWnd(0, 0, 10, 10, TRUE, 0, NULL, WASABI_API_APP->main_gethInstance(), "WGLDUMMY", wglDummyWndProc, NULL);
tmpdc = GetDC(tmpwnd);
PIXELFORMATDESCRIPTOR pfd;
MEMSET(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_SUPPORT_OPENGL|(m_doublebuffered?PFD_DOUBLEBUFFER:0)|PFD_DRAW_TO_WINDOW|PFD_GENERIC_ACCELERATED;
pfd.iPixelType = PFD_TYPE_RGBA;
// todo: make this configurable
pfd.cColorBits = 24;
pfd.cDepthBits = 16;
pfd.cAlphaBits = 8;
pfd.cStencilBits = 16;
pfd.iLayerType = PFD_MAIN_PLANE;
HGLRC tmprc;
int baseformat = ChoosePixelFormat(tmpdc, &pfd);
if (baseformat == 0 || !SetPixelFormat(tmpdc, baseformat, &pfd) || ((tmprc = wglCreateContext(tmpdc)) == NULL)) {
ReleaseDC(tmpwnd, tmpdc);
StdWnd::destroyWnd(tmpwnd);
// could not even create a simple opengl window
return;
}
int reqformat = baseformat;
if (m_wantmultisampling) {
wglMakeCurrent(tmpdc, tmprc);
m_multisampling = 0;
if (GLeeInit()) {
if (GLEE_ARB_multisample) {
int pixelFormat;
BOOL bStatus;
UINT numFormats;
float fAttributes[] = {0,0};
int iAttributes[] = { WGL_DRAW_TO_WINDOW_ARB,GL_TRUE,
WGL_SUPPORT_OPENGL_ARB,GL_TRUE,
WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
WGL_COLOR_BITS_ARB,24,
WGL_ALPHA_BITS_ARB,8,
WGL_DEPTH_BITS_ARB,16,
WGL_STENCIL_BITS_ARB,0,
WGL_DOUBLE_BUFFER_ARB, m_doublebuffered?GL_TRUE:GL_FALSE,
WGL_SAMPLE_BUFFERS_ARB,GL_TRUE,
WGL_SAMPLES_ARB,4,
0,0};
bStatus = wglChoosePixelFormatARB(tmpdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
if ((bStatus == GL_TRUE) && (numFormats >= 1)) {
m_multisampling = 1;
reqformat = pixelFormat;
} else {
// ok that failed, try using 2 samples now instead of 4
iAttributes[19] = 2;
bStatus = wglChoosePixelFormatARB(tmpdc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
if ((bStatus == GL_TRUE) && (numFormats >= 1)) {
m_multisampling = 1;
reqformat = pixelFormat;
}
}
}
}
}
wglMakeCurrent(NULL, NULL);
ReleaseDC(tmpwnd, tmpdc);
wglDeleteContext(tmprc);
StdWnd::destroyWnd(tmpwnd);
m_dc = StdWnd::getDC(gethWnd());
SetPixelFormat(m_dc, reqformat, &pfd);
m_rendercontext = wglCreateContext(m_dc);
wglMakeCurrent(m_dc, m_rendercontext);
GLeeInit();
resetWaitVertical();
}
GLWnd::~GLWnd() {
glShutdown();
}