PRBool
nsGLPbufferGLX::Resize(PRInt32 width, PRInt32 height)
{
if (mWidth == width &&
mHeight == height)
{
return PR_TRUE;
}
Destroy();
mThebesSurface = new gfxImageSurface(gfxIntSize(width, height), gfxASurface::ImageFormatARGB32);
if (mThebesSurface->CairoStatus() != 0) {
fprintf (stderr, "image surface failed\n");
return PR_FALSE;
}
// clear the surface
memset (mThebesSurface->Data(),
0,
height * mThebesSurface->Stride());
int attrib[] = { GLX_PBUFFER_WIDTH, width,
GLX_PBUFFER_HEIGHT, height,
None };
mPbuffer = gGLXWrap.fCreatePbuffer(mDisplay, mFBConfig, attrib);
gGLXWrap.fMakeContextCurrent(mDisplay, mPbuffer, mPbuffer, mPbufferContext);
mWidth = width;
mHeight = height;
fprintf (stderr, "Resize: %d %d\n", width, height);
return PR_TRUE;
}
void
nsGLPbufferGLX::Destroy()
{
sCurrentContextToken = nsnull;
mThebesSurface = nsnull;
if (mPbuffer) {
gGLXWrap.fDestroyPbuffer(mDisplay, mPbuffer);
mPbuffer = nsnull;
}
}
nsGLPbufferGLX::~nsGLPbufferGLX()
{
MakeContextCurrent();
#ifndef GL_FRAMEBUFFER
#define GL_FRAMEBUFFER 0x8D40
#endif
// workaround for segfault on glXDestroyContext
mGLWrap.fBindFramebuffer(GL_FRAMEBUFFER, 0);
Destroy();
if (mPbuffer)
gGLXWrap.fDestroyPbuffer(mDisplay, mPbuffer);
if (mPbufferContext)
gGLXWrap.fDestroyContext(mDisplay, mPbufferContext);
#if !(defined(MOZ_WIDGET_GTK2) && defined(MOZ_X11))
if (mDisplay)
XCloseDisplay(mDisplay);
#endif
gActiveBuffers--;
fprintf (stderr, "nsGLPbufferGLX: gActiveBuffers: %d\n", gActiveBuffers);
fflush (stderr);
}
nsresult nsSystemInfo::Init()
{
struct pci_access *pacc;
struct pci_dev *p;
pciaddr_t ram = 0;
char buf[128];
int i, found, v, n;
Display *dpy;
char *display = NULL;
Window root;
XVisualInfo *info, templ;
XWindowAttributes wts;
XPixmapFormatValues *pf;
XSetWindowAttributes attr;
Window win;
mWidth = 0;
mHeight = 0;
mDepth = 0;
pacc = pci_alloc();
pci_init(pacc);
pci_scan_bus(pacc);
for (p = pacc->devices; p; p=p->next) {
pci_fill_info(p,
PCI_FILL_IDENT | PCI_FILL_CLASS | PCI_FILL_BASES | PCI_FILL_SIZES);
if (p->device_class == PCI_CLASS_DISPLAY_VGA) {
pci_lookup_name(pacc, buf, sizeof(buf),
PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
p->vendor_id, p->device_id);
mDeviceName.AssignLiteral(buf);
sprintf(buf, "0x%04X", p->vendor_id);
mVendorID.AssignLiteral(buf);
sprintf(buf, "0x%04X", p->device_id);
mDeviceID.AssignLiteral(buf);
for (i=0; i<6; i++) {
pciaddr_t len = (p->known_fields & PCI_FILL_SIZES) ? p->size[i] : 0;
if (len > ram) ram = len;
}
vram = ram / 1024 / 1024;
}
else {
Log("Grafx Bot: No PCI VGA device found");
}
}
pci_cleanup(pacc);
if (NULL != (display = getenv("DISPLAY"))) {
if (display[0] != ':') {
display = strchr(display, ':');
if (NULL == display) {
Log("Grafx Bot: unable to find display");
return NS_OK;
}
}
if (NULL == (dpy = XOpenDisplay(display))) {
Log("Grafx Bot: unable to find X display");
return NS_OK;
}
root = DefaultRootWindow(dpy);
XGetWindowAttributes(dpy, root, &wts);
mWidth = wts.width;
mHeight = wts.height;
templ.screen = XDefaultScreen(dpy);
info = XGetVisualInfo(dpy, VisualScreenMask, &templ, &found);
v = -1;
for (i = 0; v == -1 && i < found; i++) {
if (info[i].depth >= 15)
v = i;
}
for (i = 0; v == -1 && i < found; i++) {
if (info[i].depth == 8)
v = i;
}
if (-1 == v) {
Log("Grafx Bot: can't find visual");
return NS_OK;
}
pf = XListPixmapFormats(dpy, &n);
for (i = 0; i < n; i++) {
if (pf[i].depth == info[v].depth) {
mDepth = pf[i].depth;
}
}
if (gGLXWrap.OpenLibrary("libGL.so.1") && gGLXWrap.Init()) {
attr.background_pixel = 0;
attr.border_pixel = 0;
attr.colormap = XCreateColormap(dpy, root, info[v].visual, AllocNone);
attr.event_mask = StructureNotifyMask | ExposureMask;
win = XCreateWindow(dpy, root, 0, 0, 100, 100, 0, info[v].depth,
InputOutput, info[v].visual,
CWBackPixel | CWBorderPixel | CWColormap | CWEventMask, &attr);
GLXContext ctx = gGLXWrap.fCreateContext(dpy, info, NULL, true);
if (ctx) {
if (gGLXWrap.fMakeCurrent(dpy, win, ctx)) {
mDriverVersion.AssignLiteral((char*)gGLXWrap.fGetString(LOCAL_GL_VERSION));
mDriver.AssignLiteral((char*)gGLXWrap.fGetString(LOCAL_GL_RENDERER));
mDriver.AppendLiteral(" (");
mDriver.AppendLiteral((char*)gGLXWrap.fGetString(LOCAL_GL_VENDOR));
mDriver.AppendLiteral(")");
}
else {
Log("Grafx Bot: unable to make current");
}
gGLXWrap.fDestroyContext(dpy, ctx);
}
else {
Log("Grafx Bot: unable to create context");
}
XDestroyWindow(dpy, win);
}
else {
Log("Grafx Bot: can't init libGL.so.1");
}
}
return NS_OK;
}
void
nsGLPbufferGLX::MakeContextCurrent()
{
if (gGLXWrap.fGetCurrentContext() != mPbufferContext)
gGLXWrap.fMakeContextCurrent(mDisplay, mPbuffer, mPbuffer, mPbufferContext);
}
PRBool
nsGLPbufferGLX::Init(WebGLContext *priv)
{
nsresult rv;
const char *s;
if (!gGLXWrap.OpenLibrary("libGL.so.1")) {
LogMessage("Canvas 3D: Couldn't find libGL.so.1");
return PR_FALSE;
}
if (!gGLXWrap.Init()) {
LogMessage("Canvas 3D: gGLXWrap.Init() failed");
return PR_FALSE;
}
#if defined(MOZ_WIDGET_GTK2) && defined(MOZ_X11)
mDisplay = gdk_x11_get_default_xdisplay();
#else
mDisplay = XOpenDisplay(NULL);
#endif
if (!mDisplay) {
LogMessage("Canvas 3D: XOpenDisplay failed");
return PR_FALSE;
}
// Make sure that everyone agrees that pbuffers are supported
s = gGLXWrap.fQueryExtensionsString(mDisplay, DefaultScreen(mDisplay));
if (strstr(s, "GLX_SGIX_pbuffer") == NULL) {
LogMessage("Canvas 3D: GLX_SGIX_pbuffer not supported");
return PR_FALSE;
}
s = gGLXWrap.fQueryServerString(mDisplay, DefaultScreen(mDisplay), GLX_EXTENSIONS);
if (strstr(s, "GLX_SGIX_pbuffer") == NULL) {
LogMessage("Canvas 3D: GLX_SGIX_pbuffer not supported by server");
return PR_FALSE;
}
mPriv = priv;
nsCOMPtr<nsIPrefService> prefService = do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, PR_FALSE);
nsCOMPtr<nsIPrefBranch> prefBranch;
rv = prefService->GetBranch("extensions.canvas3d.", getter_AddRefs(prefBranch));
NS_ENSURE_SUCCESS(rv, PR_FALSE);
PRInt32 prefAntialiasing;
rv = prefBranch->GetIntPref("antialiasing", &prefAntialiasing);
if (NS_FAILED(rv))
prefAntialiasing = 0;
int attrib[] = { GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT,
GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_ALPHA_SIZE, 1,
GLX_DEPTH_SIZE, 1,
GLX_SAMPLE_BUFFERS, 1,
GLX_SAMPLES, 1 << prefAntialiasing,
None };
if (prefAntialiasing <= 0)
attrib[16] = 0;
int num;
GLXFBConfig *configs = gGLXWrap.fChooseFBConfig(mDisplay, DefaultScreen(mDisplay),
attrib, &num);
fprintf(stderr, "CANVAS3D FBCONFIG: %d %p\n", num, (void*) configs);
if (!configs) {
LogMessage("Canvas 3D: No GLXFBConfig found");
return PR_FALSE;
}
// choose first matching config;
mFBConfig = *configs;
XFree(configs);
mPbufferContext = gGLXWrap.fCreateNewContext(mDisplay, mFBConfig, GLX_RGBA_TYPE,
nsnull, True);
PRInt64 t1 = PR_Now();
Resize(2, 2);
MakeContextCurrent();
PRInt64 t2 = PR_Now();
fprintf (stderr, "nsGLPbufferGLX::Init!\n");
if (!mGLWrap.OpenLibrary("libGL.so.1")) {
LogMessage("Canvas 3D: GLWrap init failed, couldn't find libGL.so.1");
return PR_FALSE;
}
mGLWrap.SetLookupFunc((LibrarySymbolLoader::PlatformLookupFunction) gGLXWrap.fGetProcAddress);
if (!mGLWrap.Init(GLES20Wrap::TRY_NATIVE_GL)) {
LogMessage("Canvas 3D: GLWrap init failed");
return PR_FALSE;
}
PRInt64 t3 = PR_Now();
fprintf (stderr, "nsGLPbufferGLX:: Initialization took t2-t1: %f t3-t2: %f\n",
((double)(t2-t1))/1000.0, ((double)(t3-t2))/1000.0);
fflush (stderr);
return PR_TRUE;
}
