bool ckLowLevelAPI::toggleFullScreen(u16 width, u16 height)
{
destroyFramebuffer();
s_is_fullscreen = !s_is_fullscreen;
return createFramebuffer(width, height);
}
FboRenderContext::FboRenderContext (RenderContext* context, const RenderConfig& config)
: m_context (context)
, m_framebuffer (0)
, m_colorBuffer (0)
, m_depthStencilBuffer (0)
, m_renderTarget ()
{
try
{
createFramebuffer(config);
}
catch (...)
{
destroyFramebuffer();
throw;
}
}
void ckLowLevelAPI::destroyApplication()
{
destroyFramebuffer();
}
static bool createFramebuffer(u16 new_width, u16 new_height)
{
/*
create window
*/
s_hInstance = GetModuleHandle(NULL);
WNDCLASS wc;
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.lpfnWndProc = static_cast<WNDPROC>(WndProc);
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = s_hInstance;
wc.hIcon = LoadIcon(s_hInstance, MAKEINTRESOURCE(101));
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = NULL;
wc.lpszMenuName = NULL;
wc.lpszClassName = "Catcake";
if (!RegisterClass(&wc))
{
return false;
}
if (s_is_fullscreen)
{
DEVMODE dmScreenSettings;
ckLowLevelAPI::memset(&dmScreenSettings, 0, sizeof(dmScreenSettings));
dmScreenSettings.dmSize = sizeof(dmScreenSettings);
dmScreenSettings.dmPelsWidth = new_width;
dmScreenSettings.dmPelsHeight = new_height;
dmScreenSettings.dmBitsPerPel = 32;
dmScreenSettings.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
if (ChangeDisplaySettings(&dmScreenSettings, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL)
{
s_is_fullscreen = false;
new_width = s_framebuffer_width;
new_height = s_framebuffer_height;
}
}
DWORD dwStyle, dwExStyle;
if (s_is_fullscreen)
{
dwStyle = WS_POPUP;
dwExStyle = WS_EX_APPWINDOW;
}
else
{
if (s_sys_flag & ckSysMgr::FLAG_VARIABLE_SIZE)
{
dwStyle = WS_OVERLAPPEDWINDOW;
}
else
{
dwStyle = WS_OVERLAPPEDWINDOW & ~WS_THICKFRAME & ~WS_MAXIMIZEBOX;
}
dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
}
RECT rect;
rect.left = 0;
rect.right = new_width;
rect.top = 0;
rect.bottom = new_height;
AdjustWindowRectEx(&rect, dwStyle, false, dwExStyle);
s_hWnd = CreateWindowEx( //
dwExStyle, // dwExStyle
"Catcake", // lpClassName
s_app_name, // lpWindowName
dwStyle | WS_CLIPSIBLINGS | WS_CLIPCHILDREN, // dwStyle
CW_USEDEFAULT, // x
CW_USEDEFAULT, // y
rect.right - rect.left, // nWidth
rect.bottom - rect.top, // nHeight
NULL, // hWndParent
NULL, // hMenu
s_hInstance, // hInstance
NULL); // lpParam
if (!s_hWnd)
{
destroyFramebuffer();
return false;
}
s_hDC = GetDC(s_hWnd);
if (!s_hDC)
{
destroyFramebuffer();
return false;
}
/*
initialize OpenGL
*/
static const PIXELFORMATDESCRIPTOR pfd =
{
sizeof(PIXELFORMATDESCRIPTOR), // nSize
1, // nVersion
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER, // dwFlags
PFD_TYPE_RGBA, // iPixelType
24, // cColorBits
0, 0, 0, 0, 0, 0, // Not used
8, // cAlphaBits
0, // Not used
0, // cAccumBits
0, 0, 0, 0, // Not used
16, // cDepthBits
0, // cStencilBits
0, // cAuxBuffers
PFD_MAIN_PLANE, // iLayerType
0, 0, 0, 0, // Not used
};
int PixelFormat = ChoosePixelFormat(s_hDC, &pfd);
if (!PixelFormat)
{
destroyFramebuffer();
return false;
}
if (!SetPixelFormat(s_hDC, PixelFormat, &pfd))
{
destroyFramebuffer();
return false;
}
s_hRC = wglCreateContext(s_hDC);
if (!s_hRC)
{
destroyFramebuffer();
return false;
}
if (!wglMakeCurrent(s_hDC, s_hRC))
{
destroyFramebuffer();
return false;
}
/*
wait vsync
*/
typedef bool (WINAPI *PFNWGLSWAPINTERVALEXTPROC)(int interval);
PFNWGLSWAPINTERVALEXTPROC wglSwapIntervalEXT = reinterpret_cast<PFNWGLSWAPINTERVALEXTPROC>(wglGetProcAddress("wglSwapIntervalEXT"));
if (wglSwapIntervalEXT)
{
wglSwapIntervalEXT(1);
}
/*
show window
*/
ShowWindow(s_hWnd, SW_SHOW);
SetForegroundWindow(s_hWnd);
SetFocus(s_hWnd);
GetClientRect(s_hWnd, &rect);
s_framebuffer_width = static_cast<u16>(rect.right);
s_framebuffer_height = static_cast<u16>(rect.bottom);
return true;
}