bool GSWndOGL::Create(const string& title, int w, int h)
{
if(m_NativeWindow)
throw GSDXRecoverableError();
if(w <= 0 || h <= 0) {
w = theApp.GetConfig("ModeWidth", 640);
h = theApp.GetConfig("ModeHeight", 480);
}
m_managed = true;
// note this part must be only executed when replaying .gs debug file
m_NativeDisplay = XOpenDisplay(NULL);
m_NativeWindow = XCreateSimpleWindow(m_NativeDisplay, DefaultRootWindow(m_NativeDisplay), 0, 0, w, h, 0, 0, 0);
XMapWindow (m_NativeDisplay, m_NativeWindow);
if (m_NativeWindow == 0)
throw GSDXRecoverableError();
CreateContext(3, 3);
AttachContext();
CheckContext();
m_swapinterval = (PFNGLXSWAPINTERVALEXTPROC)glXGetProcAddress((const GLubyte*) "glXSwapIntervalEXT");
PopulateGlFunction();
return true;
}
bool GSWndEGL::Create(const string& title, int w, int h)
{
if(m_NativeWindow)
throw GSDXRecoverableError();
if(w <= 0 || h <= 0) {
w = theApp.GetConfig("ModeWidth", 640);
h = theApp.GetConfig("ModeHeight", 480);
}
m_managed = true;
// note this part must be only executed when replaying .gs debug file
m_NativeDisplay = XOpenDisplay(NULL);
OpenEGLDisplay();
m_NativeWindow = XCreateSimpleWindow(m_NativeDisplay, DefaultRootWindow(m_NativeDisplay), 0, 0, w, h, 0, 0, 0);
XMapWindow (m_NativeDisplay, m_NativeWindow);
CreateContext(3, 3);
AttachContext();
CheckContext();
PopulateGlFunction();
if (m_NativeWindow == 0)
throw GSDXRecoverableError();
return true;
}
bool GSWndWGL::CreateContext(int major, int minor)
{
if ( !m_NativeDisplay || !m_NativeWindow )
{
fprintf( stderr, "Wrong display/window\n" );
exit(1);
}
// GL2 context are quite easy but we need GL3 which is another painful story...
m_context = wglCreateContext(m_NativeDisplay);
if (!m_context) {
fprintf(stderr, "Failed to create a 2.0 context\n");
return false;
}
// FIXME test it
// Note: albeit every tutorial said that we need an opengl context to use the GL function wglCreateContextAttribsARB
// On linux it works without the extra temporary context, not sure the limitation still applied
if (major >= 3) {
AttachContext();
// Create a context
int context_attribs[] =
{
WGL_CONTEXT_MAJOR_VERSION_ARB, major,
WGL_CONTEXT_MINOR_VERSION_ARB, minor,
// FIXME : Request a debug context to ease opengl development
// Note: don't support deprecated feature (pre openg 3.1)
//GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_DEBUG_BIT_ARB | GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB
#ifdef ENABLE_OGL_DEBUG
| WGL_CONTEXT_DEBUG_BIT_ARB
#endif
,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
0
};
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB");
if (!wglCreateContextAttribsARB) {
fprintf(stderr, "Failed to init wglCreateContextAttribsARB function pointer\n");
return false;
}
HGLRC context30 = wglCreateContextAttribsARB(m_NativeDisplay, NULL, context_attribs);
if (!context30) {
fprintf(stderr, "Failed to create a 3.x context\n");
return false;
}
DetachContext();
wglDeleteContext(m_context);
m_context = context30;
fprintf(stderr, "3.x GL context successfully created\n");
}
return true;
}
//TODO: GSopen 1 => Drop?
bool GSWndWGL::Create(const string& title, int w, int h)
{
#if 0
if(m_NativeWindow) return false;
if(w <= 0 || h <= 0) {
w = theApp.GetConfig("ModeWidth", 640);
h = theApp.GetConfig("ModeHeight", 480);
}
m_managed = true;
// note this part must be only executed when replaying .gs debug file
m_NativeDisplay = XOpenDisplay(NULL);
int attrListDbl[] = { GLX_RGBA, GLX_DOUBLEBUFFER,
GLX_RED_SIZE, 8,
GLX_GREEN_SIZE, 8,
GLX_BLUE_SIZE, 8,
GLX_DEPTH_SIZE, 24,
None
};
XVisualInfo* vi = glXChooseVisual(m_NativeDisplay, DefaultScreen(m_NativeDisplay), attrListDbl);
/* create a color map */
XSetWindowAttributes attr;
attr.colormap = XCreateColormap(m_NativeDisplay, RootWindow(m_NativeDisplay, vi->screen),
vi->visual, AllocNone);
attr.border_pixel = 0;
attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask | ButtonPressMask |
StructureNotifyMask | SubstructureRedirectMask | SubstructureNotifyMask |
EnterWindowMask | LeaveWindowMask | FocusChangeMask ;
// Create a window at the last position/size
m_NativeWindow = XCreateWindow(m_NativeDisplay, RootWindow(m_NativeDisplay, vi->screen),
0 , 0 , w, h, 0, vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask, &attr);
XMapWindow (m_NativeDisplay, m_NativeWindow);
XFree(vi);
if (!CreateContext(3, 3)) return false;
AttachContext();
return (m_NativeWindow != 0);
#else
return false;
#endif
}
bool GSWndEGL::Attach(void* handle, bool managed)
{
m_NativeWindow = *(Window*)handle;
m_managed = managed;
m_NativeDisplay = XOpenDisplay(NULL);
OpenEGLDisplay();
CreateContext(3, 3);
AttachContext();
CheckContext();
PopulateGlFunction();
return true;
}
bool GSWndOGL::Attach(void* handle, bool managed)
{
m_NativeWindow = *(Window*)handle;
m_managed = managed;
m_NativeDisplay = XOpenDisplay(NULL);
CreateContext(3, 3);
AttachContext();
m_swapinterval_ext = (PFNGLXSWAPINTERVALEXTPROC) glXGetProcAddress((const GLubyte*) "glXSwapIntervalEXT");
m_swapinterval_mesa = (PFNGLXSWAPINTERVALMESAPROC)glXGetProcAddress((const GLubyte*) "glXSwapIntervalMESA");
PopulateGlFunction();
return true;
}
bool GSWndWGL::Attach(void* handle, bool managed)
{
m_NativeWindow = (HWND)handle;
m_managed = managed;
OpenWGLDisplay();
CreateContext(3, 3);
AttachContext();
m_swapinterval = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
PopulateGlFunction();
UpdateWindow(m_NativeWindow);
return true;
}
bool GSWndOGL::Attach(void* handle, bool managed)
{
m_NativeWindow = *(Window*)handle;
m_managed = managed;
m_NativeDisplay = XOpenDisplay(NULL);
if (theApp.GetConfig("reduce_gl_requirement_for_free_driver", 0) == 1)
CreateContext(3, 0);
else
CreateContext(3, 3);
AttachContext();
CheckContext();
m_swapinterval = (PFNGLXSWAPINTERVALEXTPROC)glXGetProcAddress((const GLubyte*) "glXSwapIntervalEXT");
PopulateGlFunction();
return true;
}
bool GSWndEGL::Attach(void* handle, bool managed)
{
m_NativeWindow = *(Window*)handle;
m_managed = managed;
m_NativeDisplay = XOpenDisplay(NULL);
OpenEGLDisplay();
#ifdef ENABLE_GLES
// FIXME: update it to GLES 3.1 when they support it
CreateContext(3, 0);
#else
CreateContext(3, 3);
#endif
AttachContext();
CheckContext();
PopulateGlFunction();
return true;
}
bool GSWndWGL::Attach(void* handle, bool managed)
{
m_NativeWindow = (HWND)handle;
m_managed = managed;
if (!OpenWGLDisplay()) return false;
if (!CreateContext(3, 3)) return false;
AttachContext();
CheckContext();
// TODO
//m_swapinterval = (PFNGLXSWAPINTERVALMESAPROC)glXGetProcAddress((const GLubyte*) "glXSwapIntervalMESA");
//PFNGLXSWAPINTERVALMESAPROC m_swapinterval = (PFNGLXSWAPINTERVALMESAPROC)glXGetProcAddress((const GLubyte*) "glXSwapInterval");
PopulateGlFunction();
UpdateWindow(m_NativeWindow);
return true;
}
void GSWndWGL::CreateContext(int major, int minor)
{
if (!m_NativeDisplay || !m_NativeWindow)
{
win_error("Wrong display/window", false);
exit(1);
}
ASSERT(major >= 3);
// GL2 context are quite easy but we need GL3 which is another painful story...
m_context = wglCreateContext(m_NativeDisplay);
if (!m_context)
win_error("Failed to create a 2.0 context");
// FIXME test it
// Note: albeit every tutorial said that we need an opengl context to use the GL function wglCreateContextAttribsARB
// On linux it works without the extra temporary context, not sure the limitation still applied
AttachContext();
// Create a context
int context_attribs[] =
{
WGL_CONTEXT_MAJOR_VERSION_ARB, major,
WGL_CONTEXT_MINOR_VERSION_ARB, minor,
// FIXME : Request a debug context to ease opengl development
// Note: don't support deprecated feature (pre openg 3.1)
//GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_DEBUG_BIT_ARB | GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
WGL_CONTEXT_FLAGS_ARB, WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB
#ifdef ENABLE_OGL_DEBUG
| WGL_CONTEXT_DEBUG_BIT_ARB
#else
| GL_CONTEXT_FLAG_NO_ERROR_BIT_KHR
#endif
,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
0
};
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB = (PFNWGLCREATECONTEXTATTRIBSARBPROC)wglGetProcAddress("wglCreateContextAttribsARB");
if (!wglCreateContextAttribsARB)
win_error("Failed to init wglCreateContextAttribsARB function pointer");
HGLRC context30 = wglCreateContextAttribsARB(m_NativeDisplay, NULL, context_attribs);
if (!context30) {
win_error("Failed to create a 3.x context with standard flags", false);
// retry with more compatible option for (Mesa on Windows, OpenGL on WINE)
context_attribs[2*2+1] = 0;
context30 = wglCreateContextAttribsARB(m_NativeDisplay, NULL, context_attribs);
}
DetachContext();
wglDeleteContext(m_context);
if (!context30)
win_error("Failed to create a 3.x context with compatible flags");
m_context = context30;
fprintf(stderr, "3.x GL context successfully created\n");
}
//TODO: GSopen 1 => Drop?
// Used by GSReplay. At least for now.
// More or less copy pasted from GSWndDX::Create and GSWndWGL::Attach with a few
// modifications
bool GSWndWGL::Create(const string& title, int w, int h)
{
if(m_NativeWindow) return false;
m_managed = true;
WNDCLASS wc;
memset(&wc, 0, sizeof(wc));
wc.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | CS_OWNDC;
wc.lpfnWndProc = WndProc;
wc.hInstance = theApp.GetModuleHandle();
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
wc.lpszClassName = "GSWndOGL";
if (!GetClassInfo(wc.hInstance, wc.lpszClassName, &wc))
{
if (!RegisterClass(&wc))
{
return false;
}
}
DWORD style = WS_CLIPCHILDREN | WS_CLIPSIBLINGS | WS_OVERLAPPEDWINDOW | WS_BORDER;
GSVector4i r;
GetWindowRect(GetDesktopWindow(), r);
// Old GSOpen ModeWidth and ModeHeight are not necessary with this.
bool remote = !!GetSystemMetrics(SM_REMOTESESSION);
if (w <= 0 || h <= 0 || remote)
{
w = r.width() / 3;
h = r.width() / 4;
if (!remote)
{
w *= 2;
h *= 2;
}
}
r.left = (r.left + r.right - w) / 2;
r.top = (r.top + r.bottom - h) / 2;
r.right = r.left + w;
r.bottom = r.top + h;
AdjustWindowRect(r, style, FALSE);
m_NativeWindow = CreateWindow(wc.lpszClassName, title.c_str(), style, r.left, r.top, r.width(), r.height(), NULL, NULL, wc.hInstance, (LPVOID)this);
if (m_NativeWindow == NULL) return false;
OpenWGLDisplay();
CreateContext(3, 3);
AttachContext();
m_swapinterval = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
PopulateGlFunction();
return true;
}