/* -------------------------------------------------------------------------- */
void CorbaServerGeneric::
init( void )
{
initOrb();
createThreadPolicy();
createContext( serverName );
activateContext();
}
void GCF::Components::ClipboardComponent::addContext(const QString& contextName)
{
if(!d->contextStore.contains(contextName))
{
ClipboardDataList list;
d->contextStore[contextName] = list;
d->contextStoreKeys.append(contextName);
}
emit contextAdded(contextName);
activateContext(contextName);
}
void LineRender::draw(glm::mat4 camMatrix) const
{
activateContext();
glm::mat4 MVP = camMatrix * ModelMatrix; // Remember, matrix multiplication is the other way around
shader->Use();
glUniformMatrix4fv(shader->addUniform("projection"), 1, GL_FALSE, &MVP[0][0]);
glBindVertexArray(this->vertexArrayObject);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 8);
deactivateContext();
}
GampyCPP::Window::Window() :
_glfwWindow(nullptr),
_wireMode(false)
{
if (_referenceCount == 0) {
#ifndef NDEBUG
std::cout << "GLFW Init" << std::endl;
#endif
if (!glfwInit())
{
// Initialization failed
throw glfwInitException;
}
}
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_RESIZABLE, GL_FALSE);
_glfwWindow = glfwCreateWindow(800, 600, "Window Init",
nullptr, nullptr);
if (_glfwWindow == nullptr)
{
glfwTerminate();
throw createWindowException;
}
activateContext();
glfwSetWindowUserPointer(_glfwWindow, this);
glfwSetKeyCallback(_glfwWindow, _glfwKeyCallback);
glfwGetFramebufferSize(_glfwWindow, &_width, &_height);
glViewport(0, 0, _width, _height);
backgroundColor(0.f, 0.f, 0.f, 1.f);
_referenceCount++;
}
void HeadlessView::activate() {
active = true;
if (!glContext) {
if (!display) {
throw std::runtime_error("Display is not set");
}
createContext();
}
activateContext();
if (!extensionsLoaded) {
gl::InitializeExtensions(initializeExtension);
extensionsLoaded = true;
}
if (needsResize) {
clearBuffers();
resizeFramebuffer();
needsResize = false;
}
}
void GCF::Components::ClipboardComponent::activateDefaultContext()
{
activateContext(defaultContextName);
}
void GCF::Components::ClipboardComponent::activateContext(int contextIndex)
{
QString ctxName = this->context(contextIndex);
activateContext(ctxName);
}
bool CWGLManager::initialize(const SIrrlichtCreationParameters& params, const SExposedVideoData& videodata)
{
// store params, videoData is set later as it would be overwritten else
Params=params;
// Create a window to test antialiasing support
const fschar_t* ClassName = __TEXT("CWGLManager");
HINSTANCE lhInstance = GetModuleHandle(0);
// Register Class
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)DefWindowProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = lhInstance;
wcex.hIcon = NULL;
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = 0;
wcex.lpszClassName = ClassName;
wcex.hIconSm = 0;
wcex.hIcon = 0;
RegisterClassEx(&wcex);
RECT clientSize;
clientSize.top = 0;
clientSize.left = 0;
clientSize.right = Params.WindowSize.Width;
clientSize.bottom = Params.WindowSize.Height;
DWORD style = WS_POPUP;
if (!Params.Fullscreen)
style = WS_SYSMENU | WS_BORDER | WS_CAPTION | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
AdjustWindowRect(&clientSize, style, FALSE);
const s32 realWidth = clientSize.right - clientSize.left;
const s32 realHeight = clientSize.bottom - clientSize.top;
const s32 windowLeft = (GetSystemMetrics(SM_CXSCREEN) - realWidth) / 2;
const s32 windowTop = (GetSystemMetrics(SM_CYSCREEN) - realHeight) / 2;
HWND temporary_wnd=CreateWindow(ClassName, __TEXT(""), style, windowLeft,
windowTop, realWidth, realHeight, NULL, NULL, lhInstance, NULL);
if (!temporary_wnd)
{
os::Printer::log("Cannot create a temporary window.", ELL_ERROR);
UnregisterClass(ClassName, lhInstance);
return false;
}
HDC HDc = GetDC(temporary_wnd);
// Set up pixel format descriptor with desired parameters
PIXELFORMATDESCRIPTOR tmp_pfd = {
sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor
1, // Version Number
PFD_DRAW_TO_WINDOW | // Format Must Support Window
PFD_SUPPORT_OPENGL | // Format Must Support OpenGL
(Params.Doublebuffer?PFD_DOUBLEBUFFER:0) | // Must Support Double Buffering
(Params.Stereobuffer?PFD_STEREO:0), // Must Support Stereo Buffer
PFD_TYPE_RGBA, // Request An RGBA Format
Params.Bits, // Select Our Color Depth
0, 0, 0, 0, 0, 0, // Color Bits Ignored
0, // No Alpha Buffer
0, // Shift Bit Ignored
0, // No Accumulation Buffer
0, 0, 0, 0, // Accumulation Bits Ignored
Params.ZBufferBits, // Z-Buffer (Depth Buffer)
BYTE(Params.Stencilbuffer ? 1 : 0), // Stencil Buffer Depth
0, // No Auxiliary Buffer
PFD_MAIN_PLANE, // Main Drawing Layer
0, // Reserved
0, 0, 0 // Layer Masks Ignored
};
pfd=tmp_pfd;
for (u32 i=0; i<6; ++i)
{
if (i == 1)
{
if (Params.Stencilbuffer)
{
os::Printer::log("Cannot create a GL device with stencil buffer, disabling stencil shadows.", ELL_WARNING);
Params.Stencilbuffer = false;
pfd.cStencilBits = 0;
}
else
continue;
}
else
if (i == 2)
{
pfd.cDepthBits = 24;
}
else
if (i == 3)
{
if (Params.Bits!=16)
pfd.cDepthBits = 16;
else
continue;
}
else
if (i == 4)
{
// try single buffer
if (Params.Doublebuffer)
pfd.dwFlags &= ~PFD_DOUBLEBUFFER;
else
continue;
}
else
if (i == 5)
{
os::Printer::log("Cannot create a GL device context", "No suitable format for temporary window.", ELL_ERROR);
ReleaseDC(temporary_wnd, HDc);
DestroyWindow(temporary_wnd);
UnregisterClass(ClassName, lhInstance);
return false;
}
// choose pixelformat
PixelFormat = ChoosePixelFormat(HDc, &pfd);
if (PixelFormat)
break;
}
SetPixelFormat(HDc, PixelFormat, &pfd);
os::Printer::log("Temporary context");
HGLRC hrc=wglCreateContext(HDc);
if (!hrc)
{
os::Printer::log("Cannot create a temporary GL rendering context.", ELL_ERROR);
ReleaseDC(temporary_wnd, HDc);
DestroyWindow(temporary_wnd);
UnregisterClass(ClassName, lhInstance);
return false;
}
CurrentContext.OpenGLWin32.HDc = HDc;
CurrentContext.OpenGLWin32.HRc = hrc;
CurrentContext.OpenGLWin32.HWnd = temporary_wnd;
if (!activateContext(CurrentContext))
{
os::Printer::log("Cannot activate a temporary GL rendering context.", ELL_ERROR);
wglDeleteContext(hrc);
ReleaseDC(temporary_wnd, HDc);
DestroyWindow(temporary_wnd);
UnregisterClass(ClassName, lhInstance);
return false;
}
core::stringc wglExtensions;
#ifdef WGL_ARB_extensions_string
PFNWGLGETEXTENSIONSSTRINGARBPROC irrGetExtensionsString = (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
if (irrGetExtensionsString)
wglExtensions = irrGetExtensionsString(HDc);
#elif defined(WGL_EXT_extensions_string)
PFNWGLGETEXTENSIONSSTRINGEXTPROC irrGetExtensionsString = (PFNWGLGETEXTENSIONSSTRINGEXTPROC)wglGetProcAddress("wglGetExtensionsStringEXT");
if (irrGetExtensionsString)
wglExtensions = irrGetExtensionsString(HDc);
#endif
const bool pixel_format_supported = (wglExtensions.find("WGL_ARB_pixel_format") != -1);
const bool multi_sample_supported = ((wglExtensions.find("WGL_ARB_multisample") != -1) ||
(wglExtensions.find("WGL_EXT_multisample") != -1) || (wglExtensions.find("WGL_3DFX_multisample") != -1) );
#ifdef _DEBUG
os::Printer::log("WGL_extensions", wglExtensions);
#endif
#ifdef WGL_ARB_pixel_format
PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormat_ARB = (PFNWGLCHOOSEPIXELFORMATARBPROC)wglGetProcAddress("wglChoosePixelFormatARB");
if (pixel_format_supported && wglChoosePixelFormat_ARB)
{
// This value determines the number of samples used for antialiasing
// My experience is that 8 does not show a big
// improvement over 4, but 4 shows a big improvement
// over 2.
if (Params.AntiAlias > 32)
Params.AntiAlias = 32;
f32 fAttributes[] = {0.0, 0.0};
s32 iAttributes[] =
{
WGL_DRAW_TO_WINDOW_ARB,1,
WGL_SUPPORT_OPENGL_ARB,1,
WGL_ACCELERATION_ARB,WGL_FULL_ACCELERATION_ARB,
WGL_COLOR_BITS_ARB,(Params.Bits==32) ? 24 : 15,
WGL_ALPHA_BITS_ARB,(Params.Bits==32) ? 8 : 1,
WGL_DEPTH_BITS_ARB,Params.ZBufferBits, // 10,11
WGL_STENCIL_BITS_ARB,Params.Stencilbuffer ? 1 : 0,
WGL_DOUBLE_BUFFER_ARB,Params.Doublebuffer ? 1 : 0,
WGL_STEREO_ARB,Params.Stereobuffer ? 1 : 0,
WGL_PIXEL_TYPE_ARB, WGL_TYPE_RGBA_ARB,
#ifdef WGL_ARB_multisample
WGL_SAMPLES_ARB,Params.AntiAlias, // 20,21
WGL_SAMPLE_BUFFERS_ARB, 1,
#elif defined(WGL_EXT_multisample)
WGL_SAMPLES_EXT,AntiAlias, // 20,21
WGL_SAMPLE_BUFFERS_EXT, 1,
#elif defined(WGL_3DFX_multisample)
WGL_SAMPLES_3DFX,AntiAlias, // 20,21
WGL_SAMPLE_BUFFERS_3DFX, 1,
#endif
#ifdef WGL_ARB_framebuffer_sRGB
WGL_FRAMEBUFFER_SRGB_CAPABLE_ARB, Params.HandleSRGB ? 1:0,
#elif defined(WGL_EXT_framebuffer_sRGB)
WGL_FRAMEBUFFER_SRGB_CAPABLE_EXT, Params.HandleSRGB ? 1:0,
#endif
// WGL_DEPTH_FLOAT_EXT, 1,
0,0,0,0
};
int iAttrSize = sizeof(iAttributes)/sizeof(int);
const bool framebuffer_srgb_supported = ((wglExtensions.find("WGL_ARB_framebuffer_sRGB") != -1) ||
(wglExtensions.find("WGL_EXT_framebuffer_sRGB") != -1));
if (!framebuffer_srgb_supported)
{
memmove(&iAttributes[24],&iAttributes[26],sizeof(int)*(iAttrSize-26));
iAttrSize -= 2;
}
if (!multi_sample_supported)
{
memmove(&iAttributes[20],&iAttributes[24],sizeof(int)*(iAttrSize-24));
iAttrSize -= 4;
}
s32 rv=0;
// Try to get an acceptable pixel format
do
{
int pixelFormat=0;
UINT numFormats=0;
const BOOL valid = wglChoosePixelFormat_ARB(HDc,iAttributes,fAttributes,1,&pixelFormat,&numFormats);
if (valid && numFormats)
rv = pixelFormat;
else
iAttributes[21] -= 1;
}
while(rv==0 && iAttributes[21]>1);
if (rv)
{
PixelFormat=rv;
Params.AntiAlias=iAttributes[21];
}
}
else
#endif
Params.AntiAlias=0;
// this only terminates the temporary HRc
destroyContext();
destroySurface();
terminate();
DestroyWindow(temporary_wnd);
UnregisterClass(ClassName, lhInstance);
// now get new window
CurrentContext.OpenGLWin32.HWnd=videodata.OpenGLWin32.HWnd;
// get hdc
if (!(CurrentContext.OpenGLWin32.HDc=GetDC((HWND)videodata.OpenGLWin32.HWnd)))
{
os::Printer::log("Cannot create a GL device context.", ELL_ERROR);
return false;
}
if (!PrimaryContext.OpenGLWin32.HWnd)
{
PrimaryContext.OpenGLWin32.HWnd=CurrentContext.OpenGLWin32.HWnd;
PrimaryContext.OpenGLWin32.HDc=CurrentContext.OpenGLWin32.HDc;
}
return true;
}
