static void stubCheckWindowsState(void)
{
ContextInfo *context = stubGetCurrentContext();
CRASSERT(stub.trackWindowSize || stub.trackWindowPos);
if (!context)
return;
#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
if (stub.bRunningUnderWDDM)
return;
#endif
#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
crLockMutex(&stub.mutex);
#endif
stubCheckWindowState(context->currentDrawable, GL_TRUE);
crHashtableWalk(stub.windowTable, stubCheckWindowsCB, context);
#if defined(CR_NEWWINTRACK) && !defined(WINDOWS)
crUnlockMutex(&stub.mutex);
#endif
}
HDC WINAPI wglGetCurrentDC_prox( void )
{
ContextInfo *context = stubGetCurrentContext();
CR_DDI_PROLOGUE();
if (context && context->currentDrawable)
return (HDC) context->currentDrawable->drawable;
else
return (HDC) NULL;
}
static void SPU_APIENTRY trapScissor(GLint x, GLint y, GLsizei w, GLsizei h)
{
int winX, winY;
unsigned int winW, winH;
WindowInfo *pWindow;
ContextInfo *context = stubGetCurrentContext();
pWindow = context->currentDrawable;
stubGetWindowGeometry(pWindow, &winX, &winY, &winW, &winH);
origScissor(0, 0, winW, winH);
}
GLint APIENTRY crGetCurrentWindow( void )
{
ContextInfo *context;
stubInit();
context = stubGetCurrentContext();
if (context && context->currentDrawable)
return context->currentDrawable->spuWindow;
else
return -1;
}
GLint APIENTRY crGetCurrentContext( void )
{
ContextInfo *context;
stubInit();
context = stubGetCurrentContext();
if (context)
return (GLint) context->id;
else
return 0;
}
void
stubDestroyContext( unsigned long contextId )
{
ContextInfo *context;
if (!stub.contextTable) {
return;
}
/* the lock order is windowTable->contextTable (see wglMakeCurrent_prox, glXMakeCurrent)
* this is why we need to take a windowTable lock since we will later do stub.windowTable access & locking */
crHashtableLock(stub.windowTable);
crHashtableLock(stub.contextTable);
context = (ContextInfo *) crHashtableSearch(stub.contextTable, contextId);
if (context)
stubDestroyContextLocked(context);
else
crError("No context.");
#ifdef CHROMIUM_THREADSAFE
if (stubGetCurrentContext() == context) {
stubSetCurrentContext(NULL);
}
VBoxTlsRefMarkDestroy(context);
VBoxTlsRefRelease(context);
#else
if (stubGetCurrentContext() == context) {
stubSetCurrentContext(NULL);
}
stubContextFree(context);
#endif
crHashtableUnlock(stub.contextTable);
crHashtableUnlock(stub.windowTable);
}
/**
* As above, but for glViewport. Most apps call glViewport before
* glClear when a window is resized.
*/
static void SPU_APIENTRY trapViewport(GLint x, GLint y, GLsizei w, GLsizei h)
{
stubCheckWindowsState();
/* call the original SPU glViewport function */
if (!stub.viewportHack)
{
origViewport(x, y, w, h);
}
else
{
ContextInfo *context = stubGetCurrentContext();
int winX, winY;
unsigned int winW, winH;
WindowInfo *pWindow;
pWindow = context->currentDrawable;
stubGetWindowGeometry(pWindow, &winX, &winY, &winW, &winH);
origViewport(0, 0, winW, winH);
}
}
GLboolean
stubMakeCurrent( WindowInfo *window, ContextInfo *context )
{
GLboolean retVal;
/*
* Get WindowInfo and ContextInfo pointers.
*/
if (!context || !window) {
ContextInfo * currentContext = stubGetCurrentContext();
if (currentContext)
currentContext->currentDrawable = NULL;
if (context)
context->currentDrawable = NULL;
stubSetCurrentContext(NULL);
return GL_TRUE; /* OK */
}
#ifdef CHROMIUM_THREADSAFE
stubCheckMultithread();
#endif
if (context->type == UNDECIDED) {
/* Here's where we really create contexts */
#ifdef CHROMIUM_THREADSAFE
crLockMutex(&stub.mutex);
#endif
if (stubCheckUseChromium(window)) {
GLint spuConnection = 0;
if (!stubCtxCreate(context))
{
crWarning("stubCtxCreate failed");
return GL_FALSE;
}
#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
spuConnection = context->spuConnection;
#endif
if (window->spuWindow == -1)
{
/*crDebug("(1)stubMakeCurrent ctx=%p(%i) window=%p(%i)", context, context->spuContext, window, window->spuWindow);*/
window->spuWindow = stub.spu->dispatch_table.VBoxWindowCreate(spuConnection, window->dpyName, context->visBits );
#ifdef CR_NEWWINTRACK
window->u32ClientID = stub.spu->dispatch_table.VBoxPackGetInjectID(spuConnection);
#endif
}
}
else {
/*
* Create a native OpenGL context.
*/
if (!InstantiateNativeContext(window, context))
{
#ifdef CHROMIUM_THREADSAFE
crUnlockMutex(&stub.mutex);
#endif
return 0; /* false */
}
context->type = NATIVE;
}
#ifdef CHROMIUM_THREADSAFE
crUnlockMutex(&stub.mutex);
#endif
}
if (context->type == NATIVE) {
/*
* Native OpenGL MakeCurrent().
*/
#ifdef WINDOWS
retVal = (GLboolean) stub.wsInterface.wglMakeCurrent( window->drawable, context->hglrc );
#elif defined(Darwin)
// XXX \todo We need to differentiate between these two..
retVal = ( stub.wsInterface.CGLSetSurface(context->cglc, window->connection, window->drawable, window->surface) == noErr );
retVal = ( stub.wsInterface.CGLSetCurrentContext(context->cglc) == noErr );
#elif defined(GLX)
retVal = (GLboolean) stub.wsInterface.glXMakeCurrent( window->dpy, window->drawable, context->glxContext );
#endif
}
else {
/*
* SPU chain MakeCurrent().
*/
CRASSERT(context->type == CHROMIUM);
CRASSERT(context->spuContext >= 0);
/*if (context->currentDrawable && context->currentDrawable != window)
crDebug("Rebinding context %p to a different window", context);*/
if (window->type == NATIVE) {
crWarning("Can't rebind a chromium context to a native window\n");
retVal = 0;
}
else {
if (window->spuWindow == -1)
{
/*crDebug("(2)stubMakeCurrent ctx=%p(%i) window=%p(%i)", context, context->spuContext, window, window->spuWindow);*/
window->spuWindow = stub.spu->dispatch_table.VBoxWindowCreate(
#if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
context->spuConnection,
#else
0,
#endif
window->dpyName, context->visBits );
#ifdef CR_NEWWINTRACK
window->u32ClientID = stub.spu->dispatch_table.VBoxPackGetInjectID(
# if defined(VBOX_WITH_CRHGSMI) && defined(IN_GUEST)
context->spuConnection
# else
0
# endif
);
#endif
if (context->currentDrawable && context->currentDrawable->type==CHROMIUM
&& context->currentDrawable->pOwner==context)
{
#ifdef WINDOWS
if (context->currentDrawable->hWnd!=WindowFromDC(context->currentDrawable->drawable))
{
stubDestroyWindow(CR_CTX_CON(context), (GLint)context->currentDrawable->hWnd);
}
#else
Window root;
int x, y;
unsigned int border, depth, w, h;
XLOCK(context->currentDrawable->dpy);
if (!XGetGeometry(context->currentDrawable->dpy, context->currentDrawable->drawable, &root, &x, &y, &w, &h, &border, &depth))
{
stubDestroyWindow(CR_CTX_CON(context), (GLint)context->currentDrawable->drawable);
}
XUNLOCK(context->currentDrawable->dpy);
#endif
}
}
if (window->spuWindow != (GLint)window->drawable)
stub.spu->dispatch_table.MakeCurrent( window->spuWindow, (GLint) window->drawable, context->spuContext );
else
stub.spu->dispatch_table.MakeCurrent( window->spuWindow, 0, /* native window handle */ context->spuContext );
retVal = 1;
}
}
window->type = context->type;
window->pOwner = context;
context->currentDrawable = window;
stubSetCurrentContext(context);
if (retVal) {
/* Now, if we've transitions from Chromium to native rendering, or
* vice versa, we have to change all the OpenGL entrypoint pointers.
*/
if (context->type == NATIVE) {
/* Switch to native API */
/*printf(" Switching to native API\n");*/
stubSetDispatch(&stub.nativeDispatch);
}
else if (context->type == CHROMIUM) {
/* Switch to stub (SPU) API */
/*printf(" Switching to spu API\n");*/
stubSetDispatch(&stub.spuDispatch);
}
else {
/* no API switch needed */
}
}
if (!window->width && window->type == CHROMIUM) {
/* One time window setup */
int x, y;
unsigned int winW, winH;
stubGetWindowGeometry( window, &x, &y, &winW, &winH );
/* If we're not using GLX/WGL (no app window) we'll always get
* a width and height of zero here. In that case, skip the viewport
* call since we're probably using a tilesort SPU with fake_window_dims
* which the tilesort SPU will use for the viewport.
*/
window->width = winW;
window->height = winH;
#if defined(WINDOWS) && defined(VBOX_WITH_WDDM)
if (stubIsWindowVisible(window))
#endif
{
if (stub.trackWindowSize)
stub.spuDispatch.WindowSize( window->spuWindow, winW, winH );
if (stub.trackWindowPos)
stub.spuDispatch.WindowPosition(window->spuWindow, x, y);
if (winW > 0 && winH > 0)
stub.spu->dispatch_table.Viewport( 0, 0, winW, winH );
}
#ifdef VBOX_WITH_WDDM
if (stub.trackWindowVisibleRgn)
stub.spu->dispatch_table.WindowVisibleRegion(window->spuWindow, 0, NULL);
#endif
}
/* Update window mapping state.
* Basically, this lets us hide render SPU windows which correspond
* to unmapped application windows. Without this, "pertly" (for example)
* opens *lots* of temporary windows which otherwise clutter the screen.
*/
if (stub.trackWindowVisibility && window->type == CHROMIUM && window->drawable) {
const int mapped = stubIsWindowVisible(window);
if (mapped != window->mapped) {
crDebug("Dispatched: WindowShow(%i, %i)", window->spuWindow, mapped);
stub.spu->dispatch_table.WindowShow(window->spuWindow, mapped);
window->mapped = mapped;
}
}
return retVal;
}
HGLRC WINAPI wglGetCurrentContext_prox( void )
{
ContextInfo *context = stubGetCurrentContext();
CR_DDI_PROLOGUE();
return (HGLRC) (context ? context->id : 0);
}