/*
* Updates geometry info for given spu window.
* Returns GL_TRUE if it changed since last call, GL_FALSE otherwise.
* bForceUpdate - forces dispatching of geometry info even if it's unchanged
*/
GLboolean stubUpdateWindowGeometry(WindowInfo *pWindow, GLboolean bForceUpdate)
{
int winX, winY;
unsigned int winW, winH;
GLboolean res = GL_FALSE;
CRASSERT(pWindow);
stubGetWindowGeometry(pWindow, &winX, &winY, &winW, &winH);
/* @todo remove "if (winW && winH)"?*/
if (winW && winH) {
if (stub.trackWindowSize) {
if (bForceUpdate || winW != pWindow->width || winH != pWindow->height) {
crDebug("Dispatched WindowSize (%i)", pWindow->spuWindow);
stub.spuDispatch.WindowSize(pWindow->spuWindow, winW, winH);
pWindow->width = winW;
pWindow->height = winH;
res = GL_TRUE;
}
}
if (stub.trackWindowPos) {
if (bForceUpdate || winX != pWindow->x || winY != pWindow->y) {
crDebug("Dispatched WindowPosition (%i)", pWindow->spuWindow);
stub.spuDispatch.WindowPosition(pWindow->spuWindow, winX, winY);
pWindow->x = winX;
pWindow->y = winY;
res = GL_TRUE;
}
}
}
return res;
}
static void
GetCursorPosition( const WindowInfo *window, int pos[2] )
{
RECT rect;
POINT point;
GLint size[2], x, y;
unsigned int NativeHeight, NativeWidth, ChromiumHeight, ChromiumWidth;
float WidthRatio, HeightRatio;
static int DebugFlag = 0;
// apparently the "window" parameter passed to this
// function contains the native window information
HWND NATIVEhwnd = WindowFromDC( window->drawable );
// get the native window's height and width
stubGetWindowGeometry(window, &x, &y, &NativeWidth, &NativeHeight);
// get the spu window's height and width
stub.spu->dispatch_table.GetChromiumParametervCR(GL_WINDOW_SIZE_CR, window->spuWindow, GL_INT, 2, size);
ChromiumWidth = size[0];
ChromiumHeight = size[1];
// get the ratio of the size of the native window to the cr window
WidthRatio = (float)ChromiumWidth / (float)NativeWidth;
HeightRatio = (float)ChromiumHeight / (float)NativeHeight;
// output some debug information at the beginning
if(DebugFlag)
{
DebugFlag = 0;
crDebug("Native Window Handle = %d", NATIVEhwnd);
crDebug("Native Width = %i", NativeWidth);
crDebug("Native Height = %i", NativeHeight);
crDebug("Chromium Width = %i", ChromiumWidth);
crDebug("Chromium Height = %i", ChromiumHeight);
}
if (NATIVEhwnd)
{
GetClientRect( NATIVEhwnd, &rect );
GetCursorPos (&point);
// make sure these coordinates are relative to the native window,
// not the whole desktop
ScreenToClient(NATIVEhwnd, &point);
// calculate the new position of the virtual cursor
pos[0] = (int)(point.x * WidthRatio);
pos[1] = (int)((NativeHeight - point.y) * HeightRatio);
}
else
{
pos[0] = 0;
pos[1] = 0;
}
}
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);
}
/**
* 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);
}
}
/**
*Return current cursor position in local window coords.
*/
static void
GetCursorPosition( const WindowInfo *window, int pos[2] )
{
int rootX, rootY;
Window root, child;
unsigned int mask;
int x, y;
Bool q = XQueryPointer(window->dpy, window->drawable, &root, &child,
&rootX, &rootY, &pos[0], &pos[1], &mask);
if (q) {
unsigned int w, h;
stubGetWindowGeometry( window, &x, &y, &w, &h );
/* invert Y */
pos[1] = (int) h - pos[1] - 1;
}
else {
pos[0] = pos[1] = 0;
}
}
GLboolean
stubMakeCurrent( WindowInfo *window, ContextInfo *context )
{
GLboolean retVal;
/*
* Get WindowInfo and ContextInfo pointers.
*/
if (!context || !window) {
if (stub.currentContext)
stub.currentContext->currentDrawable = NULL;
if (context)
context->currentDrawable = NULL;
stub.currentContext = 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)) {
/*
* Create a Chromium context.
*/
#if defined(GLX) || defined(DARWIN)
GLint spuShareCtx = context->share ? context->share->spuContext : 0;
#else
GLint spuShareCtx = 0;
#endif
CRASSERT(stub.spu);
CRASSERT(stub.spu->dispatch_table.CreateContext);
context->type = CHROMIUM;
context->spuContext
= stub.spu->dispatch_table.CreateContext( context->dpyName,
context->visBits,
spuShareCtx );
if (window->spuWindow == -1)
window->spuWindow = stub.spu->dispatch_table.WindowCreate( window->dpyName, context->visBits );
}
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)
crWarning("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)
window->spuWindow = stub.spu->dispatch_table.WindowCreate( window->dpyName, context->visBits );
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;
context->currentDrawable = window;
stub.currentContext = 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 (stub.trackWindowSize)
stub.spuDispatch.WindowSize( window->spuWindow, winW, winH );
if (winW > 0 && winH > 0)
stub.spu->dispatch_table.Viewport( 0, 0, winW, winH );
}
/* Update window mapping state.
* Basically, this lets us hide render SPU windows which correspond
* to unmapped application windows. Without this, perfly (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) {
stub.spu->dispatch_table.WindowShow(window->spuWindow, mapped);
window->mapped = mapped;
}
}
return retVal;
}
/**
* This function is called by MakeCurrent() and determines whether or
* not a new rendering context should be bound to Chromium or the native
* OpenGL.
* \return GL_FALSE if native OpenGL should be used, or GL_TRUE if Chromium
* should be used.
*/
static GLboolean
stubCheckUseChromium( WindowInfo *window )
{
int x, y;
unsigned int w, h;
/* If the provided window is CHROMIUM, we're clearly intended
* to create a CHROMIUM context.
*/
if (window->type == CHROMIUM)
return GL_TRUE;
if (stub.ignoreFreeglutMenus) {
const char *glutMenuTitle = "freeglut menu";
char title[1000];
GetWindowTitle(window, title);
if (crStrcmp(title, glutMenuTitle) == 0) {
crDebug("GL faker: Ignoring freeglut menu window");
return GL_FALSE;
}
}
/* If the user's specified a window count for Chromium, see if
* this window satisfies that criterium.
*/
stub.matchChromiumWindowCounter++;
if (stub.matchChromiumWindowCount > 0) {
if (stub.matchChromiumWindowCounter != stub.matchChromiumWindowCount) {
crDebug("Using native GL, app window doesn't meet match_window_count");
return GL_FALSE;
}
}
/* If the user's specified a window list to ignore, see if this
* window satisfies that criterium.
*/
if (stub.matchChromiumWindowID) {
GLuint i;
for (i = 0; i <= stub.numIgnoreWindowID; i++) {
if (stub.matchChromiumWindowID[i] == stub.matchChromiumWindowCounter) {
crDebug("Ignore window ID %d, using native GL", stub.matchChromiumWindowID[i]);
return GL_FALSE;
}
}
}
/* If the user's specified a minimum window size for Chromium, see if
* this window satisfies that criterium.
*/
if (stub.minChromiumWindowWidth > 0 &&
stub.minChromiumWindowHeight > 0) {
stubGetWindowGeometry( window, &x, &y, &w, &h );
if (w >= stub.minChromiumWindowWidth &&
h >= stub.minChromiumWindowHeight) {
/* Check for maximum sized window now too */
if (stub.maxChromiumWindowWidth &&
stub.maxChromiumWindowHeight) {
if (w < stub.maxChromiumWindowWidth &&
h < stub.maxChromiumWindowHeight)
return GL_TRUE;
else
return GL_FALSE;
}
return GL_TRUE;
}
crDebug("Using native GL, app window doesn't meet minimum_window_size");
return GL_FALSE;
}
else if (stub.matchWindowTitle) {
/* If the user's specified a window title for Chromium, see if this
* window satisfies that criterium.
*/
GLboolean wildcard = GL_FALSE;
char title[1000];
char *titlePattern;
int len;
/* check for leading '*' wildcard */
if (stub.matchWindowTitle[0] == '*') {
titlePattern = crStrdup( stub.matchWindowTitle + 1 );
wildcard = GL_TRUE;
}
else {
titlePattern = crStrdup( stub.matchWindowTitle );
}
/* check for trailing '*' wildcard */
len = crStrlen(titlePattern);
if (len > 0 && titlePattern[len - 1] == '*') {
titlePattern[len - 1] = '\0'; /* terminate here */
wildcard = GL_TRUE;
}
GetWindowTitle( window, title );
if (title[0]) {
if (wildcard) {
if (crStrstr(title, titlePattern)) {
crFree(titlePattern);
return GL_TRUE;
}
}
else if (crStrcmp(title, titlePattern) == 0) {
crFree(titlePattern);
return GL_TRUE;
}
}
crFree(titlePattern);
crDebug("Using native GL, app window title doesn't match match_window_title string (\"%s\" != \"%s\")", title, stub.matchWindowTitle);
return GL_FALSE;
}
/* Window title and size don't matter */
CRASSERT(stub.minChromiumWindowWidth == 0);
CRASSERT(stub.minChromiumWindowHeight == 0);
CRASSERT(stub.matchWindowTitle == NULL);
/* User hasn't specified a width/height or window title.
* We'll use chromium for this window (and context) if no other is.
*/
return GL_TRUE; /* use Chromium! */
}
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;
}