/**
* GetEncodedData() runs as a state machine, starting with mState set to
* GET_METADDATA, the procedure should be as follow:
*
* While non-stop
* If mState is GET_METADDATA
* Get the meta data from audio/video encoder
* If a meta data is generated
* Get meta data from audio/video encoder
* Set mState to ENCODE_TRACK
* Return the final container data
*
* If mState is ENCODE_TRACK
* Get encoded track data from audio/video encoder
* If a packet of track data is generated
* Insert encoded track data into the container stream of writer
* If the final container data is copied to aOutput
* Return the copy of final container data
* If this is the last packet of input stream
* Set mState to ENCODE_DONE
*
* If mState is ENCODE_DONE or ENCODE_ERROR
* Stop the loop
*/
void
MediaEncoder::GetEncodedData(nsTArray<nsTArray<uint8_t> >* aOutputBufs,
nsAString& aMIMEType)
{
MOZ_ASSERT(!NS_IsMainThread());
aMIMEType = mMIMEType;
PROFILER_LABEL("MediaEncoder", "GetEncodedData",
js::ProfileEntry::Category::OTHER);
bool reloop = true;
while (reloop) {
switch (mState) {
case ENCODE_METADDATA: {
LOG(LogLevel::Debug, ("ENCODE_METADDATA TimeStamp = %f", GetEncodeTimeStamp()));
nsresult rv = CopyMetadataToMuxer(mAudioEncoder.get());
if (NS_FAILED(rv)) {
LOG(LogLevel::Error, ("Error! Fail to Set Audio Metadata"));
break;
}
rv = CopyMetadataToMuxer(mVideoEncoder.get());
if (NS_FAILED(rv)) {
LOG(LogLevel::Error, ("Error! Fail to Set Video Metadata"));
break;
}
rv = mWriter->GetContainerData(aOutputBufs,
ContainerWriter::GET_HEADER);
if (aOutputBufs != nullptr) {
mSizeOfBuffer = aOutputBufs->ShallowSizeOfExcludingThis(MallocSizeOf);
}
if (NS_FAILED(rv)) {
LOG(LogLevel::Error,("Error! writer fail to generate header!"));
mState = ENCODE_ERROR;
break;
}
LOG(LogLevel::Debug, ("Finish ENCODE_METADDATA TimeStamp = %f", GetEncodeTimeStamp()));
mState = ENCODE_TRACK;
break;
}
case ENCODE_TRACK: {
LOG(LogLevel::Debug, ("ENCODE_TRACK TimeStamp = %f", GetEncodeTimeStamp()));
EncodedFrameContainer encodedData;
nsresult rv = NS_OK;
rv = WriteEncodedDataToMuxer(mAudioEncoder.get());
if (NS_FAILED(rv)) {
LOG(LogLevel::Error, ("Error! Fail to write audio encoder data to muxer"));
break;
}
LOG(LogLevel::Debug, ("Audio encoded TimeStamp = %f", GetEncodeTimeStamp()));
rv = WriteEncodedDataToMuxer(mVideoEncoder.get());
if (NS_FAILED(rv)) {
LOG(LogLevel::Error, ("Fail to write video encoder data to muxer"));
break;
}
LOG(LogLevel::Debug, ("Video encoded TimeStamp = %f", GetEncodeTimeStamp()));
// In audio only or video only case, let unavailable track's flag to be true.
bool isAudioCompleted = (mAudioEncoder && mAudioEncoder->IsEncodingComplete()) || !mAudioEncoder;
bool isVideoCompleted = (mVideoEncoder && mVideoEncoder->IsEncodingComplete()) || !mVideoEncoder;
rv = mWriter->GetContainerData(aOutputBufs,
isAudioCompleted && isVideoCompleted ?
ContainerWriter::FLUSH_NEEDED : 0);
if (aOutputBufs != nullptr) {
mSizeOfBuffer = aOutputBufs->ShallowSizeOfExcludingThis(MallocSizeOf);
}
if (NS_SUCCEEDED(rv)) {
// Successfully get the copy of final container data from writer.
reloop = false;
}
mState = (mWriter->IsWritingComplete()) ? ENCODE_DONE : ENCODE_TRACK;
LOG(LogLevel::Debug, ("END ENCODE_TRACK TimeStamp = %f "
"mState = %d aComplete %d vComplete %d",
GetEncodeTimeStamp(), mState, isAudioCompleted, isVideoCompleted));
break;
}
case ENCODE_DONE:
case ENCODE_ERROR:
LOG(LogLevel::Debug, ("MediaEncoder has been shutdown."));
mSizeOfBuffer = 0;
mShutdown = true;
reloop = false;
break;
default:
MOZ_CRASH("Invalid encode state");
}
}
}
bool
GLLibraryEGL::EnsureInitialized()
{
if (mInitialized) {
return true;
}
mozilla::ScopedGfxFeatureReporter reporter("EGL");
#ifdef MOZ_B2G
if (!sCurrentContext.init())
MOZ_CRASH("Tls init failed");
#endif
#ifdef XP_WIN
if (!mEGLLibrary) {
// On Windows, the GLESv2, EGL and DXSDK libraries are shipped with libxul and
// we should look for them there. We have to load the libs in this
// order, because libEGL.dll depends on libGLESv2.dll which depends on the DXSDK
// libraries. This matters especially for WebRT apps which are in a different directory.
// See bug 760323 and bug 749459
// Also note that we intentionally leak the libs we load.
do {
// Windows 8.1 has d3dcompiler_47.dll in the system directory.
// Try it first. Note that _46 will never be in the system
// directory and we ship with at least _43. So there is no point
// trying _46 and _43 in the system directory.
if (LoadLibrarySystem32(L"d3dcompiler_47.dll"))
break;
#ifdef MOZ_D3DCOMPILER_VISTA_DLL
if (LoadLibraryForEGLOnWindows(NS_LITERAL_STRING(NS_STRINGIFY(MOZ_D3DCOMPILER_VISTA_DLL))))
break;
#endif
#ifdef MOZ_D3DCOMPILER_XP_DLL
if (LoadLibraryForEGLOnWindows(NS_LITERAL_STRING(NS_STRINGIFY(MOZ_D3DCOMPILER_XP_DLL))))
break;
#endif
MOZ_ASSERT(false, "d3dcompiler DLL loading failed.");
} while (false);
LoadLibraryForEGLOnWindows(NS_LITERAL_STRING("libGLESv2.dll"));
mEGLLibrary = LoadLibraryForEGLOnWindows(NS_LITERAL_STRING("libEGL.dll"));
if (!mEGLLibrary)
return false;
}
#else // !Windows
// On non-Windows (Android) we use system copies of libEGL. We look for
// the APITrace lib, libEGL.so, and libEGL.so.1 in that order.
#if defined(ANDROID)
if (!mEGLLibrary)
mEGLLibrary = LoadApitraceLibrary();
#endif
if (!mEGLLibrary) {
printf_stderr("Attempting load of libEGL.so\n");
mEGLLibrary = PR_LoadLibrary("libEGL.so");
}
#if defined(XP_UNIX)
if (!mEGLLibrary) {
mEGLLibrary = PR_LoadLibrary("libEGL.so.1");
}
#endif
if (!mEGLLibrary) {
NS_WARNING("Couldn't load EGL LIB.");
return false;
}
#endif // !Windows
#define SYMBOL(name) \
{ (PRFuncPtr*) &mSymbols.f##name, { "egl" #name, nullptr } }
GLLibraryLoader::SymLoadStruct earlySymbols[] = {
SYMBOL(GetDisplay),
SYMBOL(Terminate),
SYMBOL(GetCurrentSurface),
SYMBOL(GetCurrentContext),
SYMBOL(MakeCurrent),
SYMBOL(DestroyContext),
SYMBOL(CreateContext),
SYMBOL(DestroySurface),
SYMBOL(CreateWindowSurface),
SYMBOL(CreatePbufferSurface),
SYMBOL(CreatePixmapSurface),
SYMBOL(BindAPI),
SYMBOL(Initialize),
SYMBOL(ChooseConfig),
SYMBOL(GetError),
SYMBOL(GetConfigs),
SYMBOL(GetConfigAttrib),
SYMBOL(WaitNative),
SYMBOL(GetProcAddress),
SYMBOL(SwapBuffers),
SYMBOL(CopyBuffers),
SYMBOL(QueryString),
SYMBOL(QueryContext),
SYMBOL(BindTexImage),
SYMBOL(ReleaseTexImage),
SYMBOL(QuerySurface),
{ nullptr, { nullptr } }
};
if (!GLLibraryLoader::LoadSymbols(mEGLLibrary, &earlySymbols[0])) {
NS_WARNING("Couldn't find required entry points in EGL library (early init)");
return false;
}
GLLibraryLoader::SymLoadStruct optionalSymbols[] = {
// On Android 4.3 and up, certain features like ANDROID_native_fence_sync
// can only be queried by using a special eglQueryString.
{ (PRFuncPtr*) &mSymbols.fQueryStringImplementationANDROID,
{ "_Z35eglQueryStringImplementationANDROIDPvi", nullptr } },
{ nullptr, { nullptr } }
};
// Do not warn about the failure to load this - see bug 1092191
GLLibraryLoader::LoadSymbols(mEGLLibrary, &optionalSymbols[0], nullptr, nullptr,
false);
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 18
MOZ_RELEASE_ASSERT(mSymbols.fQueryStringImplementationANDROID,
"Couldn't find eglQueryStringImplementationANDROID");
#endif
mEGLDisplay = GetAndInitDisplay(*this, EGL_DEFAULT_DISPLAY);
const char* vendor = (char*)fQueryString(mEGLDisplay, LOCAL_EGL_VENDOR);
if (vendor && (strstr(vendor, "TransGaming") != 0 ||
strstr(vendor, "Google Inc.") != 0))
{
mIsANGLE = true;
}
if (mIsANGLE) {
EGLDisplay newDisplay = EGL_NO_DISPLAY;
// D3D11 ANGLE only works with OMTC; there's a bug in the non-OMTC layer
// manager, and it's pointless to try to fix it. We also don't try
// D3D11 ANGLE if the layer manager is prefering D3D9 (hrm, do we care?)
if (gfxPrefs::LayersOffMainThreadCompositionEnabled() &&
!gfxPrefs::LayersPreferD3D9())
{
if (gfxPrefs::WebGLANGLEForceD3D11()) {
newDisplay = GetAndInitDisplay(*this,
LOCAL_EGL_D3D11_ONLY_DISPLAY_ANGLE);
} else if (gfxPrefs::WebGLANGLETryD3D11() && gfxPlatform::CanUseDirect3D11ANGLE()) {
newDisplay = GetAndInitDisplay(*this,
LOCAL_EGL_D3D11_ELSE_D3D9_DISPLAY_ANGLE);
}
}
if (newDisplay != EGL_NO_DISPLAY) {
DebugOnly<EGLBoolean> success = fTerminate(mEGLDisplay);
MOZ_ASSERT(success == LOCAL_EGL_TRUE);
mEGLDisplay = newDisplay;
vendor = (char*)fQueryString(mEGLDisplay, LOCAL_EGL_VENDOR);
}
}
InitExtensions();
GLLibraryLoader::PlatformLookupFunction lookupFunction =
(GLLibraryLoader::PlatformLookupFunction)mSymbols.fGetProcAddress;
if (IsExtensionSupported(KHR_lock_surface)) {
GLLibraryLoader::SymLoadStruct lockSymbols[] = {
{ (PRFuncPtr*) &mSymbols.fLockSurface, { "eglLockSurfaceKHR", nullptr } },
{ (PRFuncPtr*) &mSymbols.fUnlockSurface, { "eglUnlockSurfaceKHR", nullptr } },
{ nullptr, { nullptr } }
};
bool success = GLLibraryLoader::LoadSymbols(mEGLLibrary,
&lockSymbols[0],
lookupFunction);
if (!success) {
NS_ERROR("EGL supports KHR_lock_surface without exposing its functions!");
MarkExtensionUnsupported(KHR_lock_surface);
mSymbols.fLockSurface = nullptr;
mSymbols.fUnlockSurface = nullptr;
}
}
if (IsExtensionSupported(ANGLE_surface_d3d_texture_2d_share_handle)) {
GLLibraryLoader::SymLoadStruct d3dSymbols[] = {
{ (PRFuncPtr*) &mSymbols.fQuerySurfacePointerANGLE, { "eglQuerySurfacePointerANGLE", nullptr } },
{ nullptr, { nullptr } }
};
bool success = GLLibraryLoader::LoadSymbols(mEGLLibrary,
&d3dSymbols[0],
lookupFunction);
if (!success) {
NS_ERROR("EGL supports ANGLE_surface_d3d_texture_2d_share_handle without exposing its functions!");
MarkExtensionUnsupported(ANGLE_surface_d3d_texture_2d_share_handle);
mSymbols.fQuerySurfacePointerANGLE = nullptr;
}
}
//XXX: use correct extension name
if (IsExtensionSupported(ANGLE_surface_d3d_texture_2d_share_handle)) {
GLLibraryLoader::SymLoadStruct d3dSymbols[] = {
{ (PRFuncPtr*)&mSymbols.fSurfaceReleaseSyncANGLE, { "eglSurfaceReleaseSyncANGLE", nullptr } },
{ nullptr, { nullptr } }
};
bool success = GLLibraryLoader::LoadSymbols(mEGLLibrary,
&d3dSymbols[0],
lookupFunction);
if (!success) {
NS_ERROR("EGL supports ANGLE_surface_d3d_texture_2d_share_handle without exposing its functions!");
MarkExtensionUnsupported(ANGLE_surface_d3d_texture_2d_share_handle);
mSymbols.fSurfaceReleaseSyncANGLE = nullptr;
}
}
if (IsExtensionSupported(KHR_fence_sync)) {
GLLibraryLoader::SymLoadStruct syncSymbols[] = {
{ (PRFuncPtr*) &mSymbols.fCreateSync, { "eglCreateSyncKHR", nullptr } },
{ (PRFuncPtr*) &mSymbols.fDestroySync, { "eglDestroySyncKHR", nullptr } },
{ (PRFuncPtr*) &mSymbols.fClientWaitSync, { "eglClientWaitSyncKHR", nullptr } },
{ (PRFuncPtr*) &mSymbols.fGetSyncAttrib, { "eglGetSyncAttribKHR", nullptr } },
{ nullptr, { nullptr } }
};
bool success = GLLibraryLoader::LoadSymbols(mEGLLibrary,
&syncSymbols[0],
lookupFunction);
if (!success) {
NS_ERROR("EGL supports KHR_fence_sync without exposing its functions!");
MarkExtensionUnsupported(KHR_fence_sync);
mSymbols.fCreateSync = nullptr;
mSymbols.fDestroySync = nullptr;
mSymbols.fClientWaitSync = nullptr;
mSymbols.fGetSyncAttrib = nullptr;
}
}
if (IsExtensionSupported(KHR_image) || IsExtensionSupported(KHR_image_base)) {
GLLibraryLoader::SymLoadStruct imageSymbols[] = {
{ (PRFuncPtr*) &mSymbols.fCreateImage, { "eglCreateImageKHR", nullptr } },
{ (PRFuncPtr*) &mSymbols.fDestroyImage, { "eglDestroyImageKHR", nullptr } },
{ nullptr, { nullptr } }
};
bool success = GLLibraryLoader::LoadSymbols(mEGLLibrary,
&imageSymbols[0],
lookupFunction);
if (!success) {
NS_ERROR("EGL supports KHR_image(_base) without exposing its functions!");
MarkExtensionUnsupported(KHR_image);
MarkExtensionUnsupported(KHR_image_base);
MarkExtensionUnsupported(KHR_image_pixmap);
mSymbols.fCreateImage = nullptr;
mSymbols.fDestroyImage = nullptr;
}
} else {
MarkExtensionUnsupported(KHR_image_pixmap);
}
if (IsExtensionSupported(ANDROID_native_fence_sync)) {
GLLibraryLoader::SymLoadStruct nativeFenceSymbols[] = {
{ (PRFuncPtr*) &mSymbols.fDupNativeFenceFDANDROID, { "eglDupNativeFenceFDANDROID", nullptr } },
{ nullptr, { nullptr } }
};
bool success = GLLibraryLoader::LoadSymbols(mEGLLibrary,
&nativeFenceSymbols[0],
lookupFunction);
if (!success) {
NS_ERROR("EGL supports ANDROID_native_fence_sync without exposing its functions!");
MarkExtensionUnsupported(ANDROID_native_fence_sync);
mSymbols.fDupNativeFenceFDANDROID = nullptr;
}
}
mInitialized = true;
reporter.SetSuccessful();
return true;
}
// We should never write to the fanotify fd.
virtual void OnFileCanWriteWithoutBlocking(int aFd)
{
MOZ_CRASH("Must not write to fanotify fd");
}
void
CanvasLayerD3D10::UpdateSurface()
{
if (!IsDirty())
return;
Painted();
if (mDrawTarget) {
mDrawTarget->Flush();
} else if (mIsD2DTexture) {
return;
}
if (!mTexture) {
return;
}
if (mGLContext) {
SharedSurface_GL* surf = mGLContext->RequestFrame();
if (!surf) {
return;
}
switch (surf->Type()) {
case SharedSurfaceType::EGLSurfaceANGLE: {
SharedSurface_ANGLEShareHandle* shareSurf = SharedSurface_ANGLEShareHandle::Cast(surf);
mSRView = shareSurf->GetSRV();
return;
}
case SharedSurfaceType::Basic: {
SharedSurface_Basic* shareSurf = SharedSurface_Basic::Cast(surf);
// WebGL reads entire surface.
D3D10_MAPPED_TEXTURE2D map;
HRESULT hr = mTexture->Map(0, D3D10_MAP_WRITE_DISCARD, 0, &map);
if (FAILED(hr)) {
NS_WARNING("Failed to map CanvasLayer texture.");
return;
}
DataSourceSurface* frameData = shareSurf->GetData();
// Scope for DrawTarget, so it's destroyed before Unmap.
{
IntSize boundsSize(mBounds.width, mBounds.height);
RefPtr<DrawTarget> mapDt = Factory::CreateDrawTargetForData(BackendType::CAIRO,
(uint8_t*)map.pData,
boundsSize,
map.RowPitch,
SurfaceFormat::B8G8R8A8);
Rect drawRect(0, 0, frameData->GetSize().width, frameData->GetSize().height);
mapDt->DrawSurface(frameData, drawRect, drawRect,
DrawSurfaceOptions(), DrawOptions(1.0F, CompositionOp::OP_SOURCE));
mapDt->Flush();
}
mTexture->Unmap(0);
mSRView = mUploadSRView;
break;
}
default:
MOZ_CRASH("Unhandled SharedSurfaceType.");
}
} else if (mSurface) {
D3D10_MAPPED_TEXTURE2D map;
HRESULT hr = mTexture->Map(0, D3D10_MAP_WRITE_DISCARD, 0, &map);
if (FAILED(hr)) {
NS_WARNING("Failed to lock CanvasLayer texture.");
return;
}
RefPtr<DrawTarget> destTarget =
Factory::CreateDrawTargetForD3D10Texture(mTexture,
SurfaceFormat::R8G8B8A8);
Rect r(Point(0, 0), ToRect(mBounds).Size());
destTarget->DrawSurface(mSurface, r, r, DrawSurfaceOptions(),
DrawOptions(1.0F, CompositionOp::OP_SOURCE));
mTexture->Unmap(0);
mSRView = mUploadSRView;
}
}
bool
StreamTextureSourceOGL::RetrieveTextureFromStream()
{
gl()->MakeCurrent();
SharedSurface* sharedSurf = mStream->SwapConsumer();
if (!sharedSurf) {
// We don't have a valid surf to show yet.
return false;
}
gl()->MakeCurrent();
mSize = IntSize(sharedSurf->Size().width, sharedSurf->Size().height);
DataSourceSurface* toUpload = nullptr;
switch (sharedSurf->Type()) {
case SharedSurfaceType::GLTextureShare: {
SharedSurface_GLTexture* glTexSurf = SharedSurface_GLTexture::Cast(sharedSurf);
mTextureHandle = glTexSurf->ConsTexture(gl());
mTextureTarget = glTexSurf->ConsTextureTarget();
MOZ_ASSERT(mTextureHandle);
mFormat = sharedSurf->HasAlpha() ? SurfaceFormat::R8G8B8A8
: SurfaceFormat::R8G8B8X8;
break;
}
case SharedSurfaceType::EGLImageShare: {
SharedSurface_EGLImage* eglImageSurf =
SharedSurface_EGLImage::Cast(sharedSurf);
eglImageSurf->AcquireConsumerTexture(gl(), &mTextureHandle, &mTextureTarget);
MOZ_ASSERT(mTextureHandle);
mFormat = sharedSurf->HasAlpha() ? SurfaceFormat::R8G8B8A8
: SurfaceFormat::R8G8B8X8;
break;
}
#ifdef XP_MACOSX
case SharedSurfaceType::IOSurface: {
SharedSurface_IOSurface* glTexSurf = SharedSurface_IOSurface::Cast(sharedSurf);
mTextureHandle = glTexSurf->ConsTexture(gl());
mTextureTarget = glTexSurf->ConsTextureTarget();
MOZ_ASSERT(mTextureHandle);
mFormat = sharedSurf->HasAlpha() ? SurfaceFormat::R8G8B8A8
: SurfaceFormat::R8G8B8X8;
break;
}
#endif
case SharedSurfaceType::Basic: {
toUpload = SharedSurface_Basic::Cast(sharedSurf)->GetData();
MOZ_ASSERT(toUpload);
break;
}
default:
MOZ_CRASH("Invalid SharedSurface type.");
}
if (toUpload) {
// mBounds seems to end up as (0,0,0,0) a lot, so don't use it?
nsIntSize size(ThebesIntSize(toUpload->GetSize()));
nsIntRect rect(nsIntPoint(0,0), size);
nsIntRegion bounds(rect);
mFormat = UploadSurfaceToTexture(gl(),
toUpload,
bounds,
mUploadTexture,
true);
mTextureHandle = mUploadTexture;
mTextureTarget = LOCAL_GL_TEXTURE_2D;
}
MOZ_ASSERT(mTextureHandle);
gl()->fBindTexture(mTextureTarget, mTextureHandle);
gl()->fTexParameteri(mTextureTarget,
LOCAL_GL_TEXTURE_WRAP_S,
LOCAL_GL_CLAMP_TO_EDGE);
gl()->fTexParameteri(mTextureTarget,
LOCAL_GL_TEXTURE_WRAP_T,
LOCAL_GL_CLAMP_TO_EDGE);
ClearCachedFilter();
return true;
}
uint32_t MozBaseAssembler::PlaceConstantPoolBarrier(int offset) {
MOZ_CRASH("PlaceConstantPoolBarrier");
}
TimeStamp
OfflineClockDriver::GetCurrentTimeStamp()
{
MOZ_CRASH("This driver does not support getting the current timestamp.");
return TimeStamp();
}
void
OriginAttributes::CreateSuffix(nsACString& aStr) const
{
UniquePtr<URLParams> params(new URLParams());
nsAutoString value;
//
// Important: While serializing any string-valued attributes, perform a
// release-mode assertion to make sure that they don't contain characters that
// will break the quota manager when it uses the serialization for file
// naming (see addonId below).
//
if (mAppId != nsIScriptSecurityManager::NO_APP_ID) {
value.AppendInt(mAppId);
params->Set(NS_LITERAL_STRING("appId"), value);
}
if (mInIsolatedMozBrowser) {
params->Set(NS_LITERAL_STRING("inBrowser"), NS_LITERAL_STRING("1"));
}
if (!mAddonId.IsEmpty()) {
if (mAddonId.FindCharInSet(dom::quota::QuotaManager::kReplaceChars) != kNotFound) {
#ifdef MOZ_CRASHREPORTER
CrashReporter::AnnotateCrashReport(NS_LITERAL_CSTRING("Crash_AddonId"),
NS_ConvertUTF16toUTF8(mAddonId));
#endif
MOZ_CRASH();
}
params->Set(NS_LITERAL_STRING("addonId"), mAddonId);
}
if (mUserContextId != nsIScriptSecurityManager::DEFAULT_USER_CONTEXT_ID) {
value.Truncate();
value.AppendInt(mUserContextId);
params->Set(NS_LITERAL_STRING("userContextId"), value);
}
if (!mSignedPkg.IsEmpty()) {
MOZ_RELEASE_ASSERT(mSignedPkg.FindCharInSet(dom::quota::QuotaManager::kReplaceChars) == kNotFound);
params->Set(NS_LITERAL_STRING("signedPkg"), mSignedPkg);
}
if (mPrivateBrowsingId) {
value.Truncate();
value.AppendInt(mPrivateBrowsingId);
params->Set(NS_LITERAL_STRING("privateBrowsingId"), value);
}
if (!mFirstPartyDomain.IsEmpty()) {
MOZ_RELEASE_ASSERT(mFirstPartyDomain.FindCharInSet(dom::quota::QuotaManager::kReplaceChars) == kNotFound);
params->Set(NS_LITERAL_STRING("firstPartyDomain"), mFirstPartyDomain);
}
aStr.Truncate();
params->Serialize(value);
if (!value.IsEmpty()) {
aStr.AppendLiteral("^");
aStr.Append(NS_ConvertUTF16toUTF8(value));
}
// In debug builds, check the whole string for illegal characters too (just in case).
#ifdef DEBUG
nsAutoCString str;
str.Assign(aStr);
MOZ_ASSERT(str.FindCharInSet(dom::quota::QuotaManager::kReplaceChars) == kNotFound);
#endif
}
nsresult
GetDirectoryListingTaskParent::IOWork()
{
MOZ_ASSERT(XRE_IsParentProcess(),
"Only call from parent process!");
MOZ_ASSERT(!NS_IsMainThread(), "Only call on worker thread!");
if (mFileSystem->IsShutdown()) {
return NS_ERROR_FAILURE;
}
bool exists;
nsresult rv = mTargetPath->Exists(&exists);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!exists) {
if (!mFileSystem->ShouldCreateDirectory()) {
return NS_ERROR_DOM_FILE_NOT_FOUND_ERR;
}
rv = mTargetPath->Create(nsIFile::DIRECTORY_TYPE, 0777);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
}
// Get isDirectory.
bool isDir;
rv = mTargetPath->IsDirectory(&isDir);
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
if (!isDir) {
return NS_ERROR_DOM_FILESYSTEM_TYPE_MISMATCH_ERR;
}
nsCOMPtr<nsISimpleEnumerator> entries;
rv = mTargetPath->GetDirectoryEntries(getter_AddRefs(entries));
if (NS_WARN_IF(NS_FAILED(rv))) {
return rv;
}
bool filterOutSensitive = false;
{
HTMLSplitOnSpacesTokenizer tokenizer(mFilters, ';');
nsAutoString token;
while (tokenizer.hasMoreTokens()) {
token = tokenizer.nextToken();
if (token.EqualsLiteral("filter-out-sensitive")) {
filterOutSensitive = true;
} else {
MOZ_CRASH("Unrecognized filter");
}
}
}
for (;;) {
bool hasMore = false;
if (NS_WARN_IF(NS_FAILED(entries->HasMoreElements(&hasMore))) || !hasMore) {
break;
}
nsCOMPtr<nsISupports> supp;
if (NS_WARN_IF(NS_FAILED(entries->GetNext(getter_AddRefs(supp))))) {
break;
}
nsCOMPtr<nsIFile> currFile = do_QueryInterface(supp);
MOZ_ASSERT(currFile);
bool isLink, isSpecial, isFile;
if (NS_WARN_IF(NS_FAILED(currFile->IsSymlink(&isLink)) ||
NS_FAILED(currFile->IsSpecial(&isSpecial))) ||
isLink || isSpecial) {
continue;
}
if (NS_WARN_IF(NS_FAILED(currFile->IsFile(&isFile)) ||
NS_FAILED(currFile->IsDirectory(&isDir))) ||
!(isFile || isDir)) {
continue;
}
if (filterOutSensitive) {
bool isHidden;
if (NS_WARN_IF(NS_FAILED(currFile->IsHidden(&isHidden))) || isHidden) {
continue;
}
nsAutoString leafName;
if (NS_WARN_IF(NS_FAILED(currFile->GetLeafName(leafName)))) {
continue;
}
if (leafName[0] == char16_t('.')) {
continue;
}
}
nsAutoString path;
if (NS_WARN_IF(NS_FAILED(currFile->GetPath(path)))) {
continue;
}
Directory::FileOrDirectoryPath element;
element.mPath = path;
element.mType = isDir ? Directory::FileOrDirectoryPath::eDirectoryPath
: Directory::FileOrDirectoryPath::eFilePath;
if (!mTargetData.AppendElement(element, fallible)) {
return NS_ERROR_OUT_OF_MEMORY;
}
}
return NS_OK;
}
bool
BluetoothServiceChildProcess::UpdateSdpRecords(const nsAString& aDeviceAddress,
BluetoothProfileManagerBase* aManager)
{
MOZ_CRASH("This should never be called!");
}
nsresult
BluetoothServiceChildProcess::SendInputMessage(const nsAString& aDeviceAddresses,
const nsAString& aMessage)
{
MOZ_CRASH("This should never be called!");
}
bool
ICBinaryArith_Int32::Compiler::generateStubCode(MacroAssembler& masm)
{
// Guard that R0 is an integer and R1 is an integer.
Label failure;
masm.branchTestInt32(Assembler::NotEqual, R0, &failure);
masm.branchTestInt32(Assembler::NotEqual, R1, &failure);
Label revertRegister, maybeNegZero;
switch(op_) {
case JSOP_ADD:
masm.unboxInt32(R0, ExtractTemp0);
// Just jump to failure on overflow. R0 and R1 are preserved, so we can just jump to
// the next stub.
masm.addl(R1.valueReg(), ExtractTemp0);
masm.j(Assembler::Overflow, &failure);
// Box the result
masm.boxValue(JSVAL_TYPE_INT32, ExtractTemp0, R0.valueReg());
break;
case JSOP_SUB:
masm.unboxInt32(R0, ExtractTemp0);
masm.subl(R1.valueReg(), ExtractTemp0);
masm.j(Assembler::Overflow, &failure);
masm.boxValue(JSVAL_TYPE_INT32, ExtractTemp0, R0.valueReg());
break;
case JSOP_MUL:
masm.unboxInt32(R0, ExtractTemp0);
masm.imull(R1.valueReg(), ExtractTemp0);
masm.j(Assembler::Overflow, &failure);
masm.branchTest32(Assembler::Zero, ExtractTemp0, ExtractTemp0, &maybeNegZero);
masm.boxValue(JSVAL_TYPE_INT32, ExtractTemp0, R0.valueReg());
break;
case JSOP_DIV:
{
MOZ_ASSERT(R2.scratchReg() == rax);
MOZ_ASSERT(R0.valueReg() != rdx);
MOZ_ASSERT(R1.valueReg() != rdx);
masm.unboxInt32(R0, eax);
masm.unboxInt32(R1, ExtractTemp0);
// Prevent division by 0.
masm.branchTest32(Assembler::Zero, ExtractTemp0, ExtractTemp0, &failure);
// Prevent negative 0 and -2147483648 / -1.
masm.branch32(Assembler::Equal, eax, Imm32(INT32_MIN), &failure);
Label notZero;
masm.branch32(Assembler::NotEqual, eax, Imm32(0), ¬Zero);
masm.branchTest32(Assembler::Signed, ExtractTemp0, ExtractTemp0, &failure);
masm.bind(¬Zero);
// Sign extend eax into edx to make (edx:eax), since idiv is 64-bit.
masm.cdq();
masm.idiv(ExtractTemp0);
// A remainder implies a double result.
masm.branchTest32(Assembler::NonZero, edx, edx, &failure);
masm.boxValue(JSVAL_TYPE_INT32, eax, R0.valueReg());
break;
}
case JSOP_MOD:
{
MOZ_ASSERT(R2.scratchReg() == rax);
MOZ_ASSERT(R0.valueReg() != rdx);
MOZ_ASSERT(R1.valueReg() != rdx);
masm.unboxInt32(R0, eax);
masm.unboxInt32(R1, ExtractTemp0);
// x % 0 always results in NaN.
masm.branchTest32(Assembler::Zero, ExtractTemp0, ExtractTemp0, &failure);
// Prevent negative 0 and -2147483648 % -1.
masm.branchTest32(Assembler::Zero, eax, Imm32(0x7fffffff), &failure);
// Sign extend eax into edx to make (edx:eax), since idiv is 64-bit.
masm.cdq();
masm.idiv(ExtractTemp0);
// Fail when we would need a negative remainder.
Label done;
masm.branchTest32(Assembler::NonZero, edx, edx, &done);
masm.orl(ExtractTemp0, eax);
masm.branchTest32(Assembler::Signed, eax, eax, &failure);
masm.bind(&done);
masm.boxValue(JSVAL_TYPE_INT32, edx, R0.valueReg());
break;
}
case JSOP_BITOR:
// We can overide R0, because the instruction is unfailable.
// Because the tag bits are the same, we don't need to retag.
masm.orq(R1.valueReg(), R0.valueReg());
break;
case JSOP_BITXOR:
masm.xorl(R1.valueReg(), R0.valueReg());
masm.tagValue(JSVAL_TYPE_INT32, R0.valueReg(), R0);
break;
case JSOP_BITAND:
masm.andq(R1.valueReg(), R0.valueReg());
break;
case JSOP_LSH:
masm.unboxInt32(R0, ExtractTemp0);
masm.unboxInt32(R1, ecx); // Unboxing R1 to ecx, clobbers R0.
masm.shll_cl(ExtractTemp0);
masm.boxValue(JSVAL_TYPE_INT32, ExtractTemp0, R0.valueReg());
break;
case JSOP_RSH:
masm.unboxInt32(R0, ExtractTemp0);
masm.unboxInt32(R1, ecx);
masm.sarl_cl(ExtractTemp0);
masm.boxValue(JSVAL_TYPE_INT32, ExtractTemp0, R0.valueReg());
break;
case JSOP_URSH:
if (!allowDouble_)
masm.movq(R0.valueReg(), ScratchReg);
masm.unboxInt32(R0, ExtractTemp0);
masm.unboxInt32(R1, ecx); // This clobbers R0
masm.shrl_cl(ExtractTemp0);
masm.test32(ExtractTemp0, ExtractTemp0);
if (allowDouble_) {
Label toUint;
masm.j(Assembler::Signed, &toUint);
// Box and return.
masm.boxValue(JSVAL_TYPE_INT32, ExtractTemp0, R0.valueReg());
EmitReturnFromIC(masm);
masm.bind(&toUint);
masm.convertUInt32ToDouble(ExtractTemp0, ScratchDoubleReg);
masm.boxDouble(ScratchDoubleReg, R0);
} else {
masm.j(Assembler::Signed, &revertRegister);
masm.boxValue(JSVAL_TYPE_INT32, ExtractTemp0, R0.valueReg());
}
break;
default:
MOZ_CRASH("Unhandled op in BinaryArith_Int32");
}
// Return from stub.
EmitReturnFromIC(masm);
if (op_ == JSOP_MUL) {
masm.bind(&maybeNegZero);
// Result is -0 if exactly one of lhs or rhs is negative.
masm.movl(R0.valueReg(), ScratchReg);
masm.orl(R1.valueReg(), ScratchReg);
masm.j(Assembler::Signed, &failure);
// Result is +0.
masm.moveValue(Int32Value(0), R0);
EmitReturnFromIC(masm);
}
// Revert the content of R0 in the fallible >>> case.
if (op_ == JSOP_URSH && !allowDouble_) {
masm.bind(&revertRegister);
// Restore tag and payload.
masm.movq(ScratchReg, R0.valueReg());
// Fall through to failure.
}
// Failure case - jump to next stub
masm.bind(&failure);
EmitStubGuardFailure(masm);
return true;
}
void
HTMLTextAreaElement::SetRangeText(const nsAString& aReplacement,
uint32_t aStart, uint32_t aEnd,
const SelectionMode& aSelectMode,
ErrorResult& aRv, int32_t aSelectionStart,
int32_t aSelectionEnd)
{
if (aStart > aEnd) {
aRv.Throw(NS_ERROR_DOM_INDEX_SIZE_ERR);
return;
}
nsAutoString value;
GetValueInternal(value, false);
uint32_t inputValueLength = value.Length();
if (aStart > inputValueLength) {
aStart = inputValueLength;
}
if (aEnd > inputValueLength) {
aEnd = inputValueLength;
}
if (aSelectionStart == -1 && aSelectionEnd == -1) {
aRv = GetSelectionRange(&aSelectionStart, &aSelectionEnd);
if (aRv.Failed()) {
if (mState.IsSelectionCached()) {
aSelectionStart = mState.GetSelectionProperties().GetStart();
aSelectionEnd = mState.GetSelectionProperties().GetEnd();
aRv = NS_OK;
}
}
}
if (aStart <= aEnd) {
value.Replace(aStart, aEnd - aStart, aReplacement);
nsresult rv =
SetValueInternal(value, nsTextEditorState::eSetValue_ByContent);
if (NS_FAILED(rv)) {
aRv.Throw(rv);
return;
}
}
uint32_t newEnd = aStart + aReplacement.Length();
int32_t delta = aReplacement.Length() - (aEnd - aStart);
switch (aSelectMode) {
case mozilla::dom::SelectionMode::Select:
{
aSelectionStart = aStart;
aSelectionEnd = newEnd;
}
break;
case mozilla::dom::SelectionMode::Start:
{
aSelectionStart = aSelectionEnd = aStart;
}
break;
case mozilla::dom::SelectionMode::End:
{
aSelectionStart = aSelectionEnd = newEnd;
}
break;
case mozilla::dom::SelectionMode::Preserve:
{
if ((uint32_t)aSelectionStart > aEnd) {
aSelectionStart += delta;
} else if ((uint32_t)aSelectionStart > aStart) {
aSelectionStart = aStart;
}
if ((uint32_t)aSelectionEnd > aEnd) {
aSelectionEnd += delta;
} else if ((uint32_t)aSelectionEnd > aStart) {
aSelectionEnd = newEnd;
}
}
break;
default:
MOZ_CRASH("Unknown mode!");
}
Optional<nsAString> direction;
SetSelectionRange(aSelectionStart, aSelectionEnd, direction, aRv);
}
WebGLContext::FakeBlackTexture::FakeBlackTexture(gl::GLContext* gl, TexTarget target,
FakeBlackType type)
: mGL(gl)
, mGLName(CreateGLTexture(gl))
{
GLenum texFormat;
switch (type) {
case FakeBlackType::RGBA0000:
texFormat = LOCAL_GL_RGBA;
break;
case FakeBlackType::RGBA0001:
texFormat = LOCAL_GL_RGB;
break;
default:
MOZ_CRASH("bad type");
}
gl::ScopedBindTexture scopedBind(mGL, mGLName, target.get());
mGL->fTexParameteri(target.get(), LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_NEAREST);
mGL->fTexParameteri(target.get(), LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_NEAREST);
// We allocate our zeros on the heap, and we overallocate (16 bytes instead of 4) to
// minimize the risk of running into a driver bug in texImage2D, as it is a bit
// unusual maybe to create 1x1 textures, and the stack may not have the alignment that
// TexImage2D expects.
const webgl::DriverUnpackInfo dui = {texFormat, texFormat, LOCAL_GL_UNSIGNED_BYTE};
UniqueBuffer zeros = moz_xcalloc(1, 16); // Infallible allocation.
MOZ_ASSERT(gl->IsCurrent());
if (target == LOCAL_GL_TEXTURE_CUBE_MAP) {
for (int i = 0; i < 6; ++i) {
const TexImageTarget curTarget = LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_X + i;
const GLenum error = DoTexImage(mGL, curTarget.get(), 0, &dui, 1, 1, 1,
zeros.get());
if (error) {
const nsPrintfCString text("DoTexImage failed with `error`: 0x%04x, "
"for `curTarget`: 0x%04x, "
"`dui`: {0x%04x, 0x%04x, 0x%04x}.",
error, curTarget.get(), dui.internalFormat,
dui.unpackFormat, dui.unpackType);
gfxCriticalError() << text.BeginReading();
MOZ_CRASH("Unexpected error during cube map FakeBlack creation.");
}
}
} else {
const GLenum error = DoTexImage(mGL, target.get(), 0, &dui, 1, 1, 1,
zeros.get());
if (error) {
const nsPrintfCString text("DoTexImage failed with `error`: 0x%04x, "
"for `target`: 0x%04x, "
"`dui`: {0x%04x, 0x%04x, 0x%04x}.",
error, target.get(), dui.internalFormat,
dui.unpackFormat, dui.unpackType);
gfxCriticalError() << text.BeginReading();
MOZ_CRASH("Unexpected error during FakeBlack creation.");
}
}
}
/*
* The meat of our exception handler. This thread waits for an exception
* message, annotates the exception if needed, then forwards it to the
* previously installed handler (which will likely terminate the process).
*/
static void
MachExceptionHandler()
{
kern_return_t ret;
MachExceptionParameters& current = sMachExceptionState.current;
MachExceptionParameters& previous = sMachExceptionState.previous;
// We use the simplest kind of 64-bit exception message here.
ExceptionRequest64 request = {};
request.header.msgh_local_port = current.port;
request.header.msgh_size = static_cast<mach_msg_size_t>(sizeof(request));
ret = mach_msg(&request.header, MACH_RCV_MSG, 0, request.header.msgh_size,
current.port, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
// Restore the previous handler. We're going to forward to it
// anyway, and if we crash while doing so we don't want to hang.
task_set_exception_ports(mach_task_self(), previous.mask, previous.port,
previous.behavior, previous.flavor);
// If we failed even receiving the message, just give up.
if (ret != MACH_MSG_SUCCESS)
MOZ_CRASH("MachExceptionHandler: mach_msg failed to receive a message!");
// Terminate the thread if we're shutting down.
if (request.header.msgh_id == sIDQuit)
return;
// The only other valid message ID is the one associated with the
// EXCEPTION_DEFAULT | MACH_EXCEPTION_CODES behavior we chose.
if (request.header.msgh_id != sIDRequest64)
MOZ_CRASH("MachExceptionHandler: Unexpected Message ID!");
// Make sure we can understand the exception we received.
if (request.exception != EXC_BAD_ACCESS || request.code_count != 2)
MOZ_CRASH("MachExceptionHandler: Unexpected exception type!");
// Get the address that the offending code tried to access.
uintptr_t address = uintptr_t(request.code[1]);
// If the faulting address is inside one of our protected regions, we
// want to annotate the crash to make it stand out from the crowd.
if (sProtectedRegions.isProtected(address)) {
ReportCrashIfDebug("Hit MOZ_CRASH(Tried to access a protected region!)\n");
MOZ_CRASH_ANNOTATE("MOZ_CRASH(Tried to access a protected region!)");
}
// Forward to the previous handler which may be a debugger, the unix
// signal handler, the crash reporter or something else entirely.
if (previous.port != MACH_PORT_NULL) {
mach_msg_type_number_t stateCount;
thread_state_data_t state;
if ((uint32_t(previous.behavior) & ~MACH_EXCEPTION_CODES) != EXCEPTION_DEFAULT) {
// If the previous handler requested thread state, get it here.
stateCount = THREAD_STATE_MAX;
ret = thread_get_state(request.thread.name, previous.flavor, state, &stateCount);
if (ret != KERN_SUCCESS)
MOZ_CRASH("MachExceptionHandler: Could not get the thread state to forward!");
}
// Depending on the behavior of the previous handler, the forwarded
// exception message will have a different set of fields.
// Of particular note is that exception handlers that lack
// MACH_EXCEPTION_CODES will get 32-bit fields even on 64-bit
// systems. It appears that OSX simply truncates these fields.
ExceptionRequestUnion forward;
switch (uint32_t(previous.behavior)) {
case EXCEPTION_DEFAULT:
CopyExceptionRequest32(request, forward.r32);
break;
case EXCEPTION_DEFAULT | MACH_EXCEPTION_CODES:
CopyExceptionRequest64(request, forward.r64);
break;
case EXCEPTION_STATE:
CopyExceptionRequestState32(request, forward.rs32,
previous.flavor, stateCount, state);
break;
case EXCEPTION_STATE | MACH_EXCEPTION_CODES:
CopyExceptionRequestState64(request, forward.rs64,
previous.flavor, stateCount, state);
break;
case EXCEPTION_STATE_IDENTITY:
CopyExceptionRequestStateIdentity32(request, forward.rsi32,
previous.flavor, stateCount, state);
break;
case EXCEPTION_STATE_IDENTITY | MACH_EXCEPTION_CODES:
CopyExceptionRequestStateIdentity64(request, forward.rsi64,
previous.flavor, stateCount, state);
break;
default:
MOZ_CRASH("MachExceptionHandler: Unknown previous handler behavior!");
}
// Forward the generated message to the old port. The local and remote
// port fields *and their rights* are swapped on arrival, so we need to
// swap them back first.
forward.header.msgh_bits = (request.header.msgh_bits & ~MACH_MSGH_BITS_PORTS_MASK) |
MACH_MSGH_BITS(MACH_MSGH_BITS_LOCAL(request.header.msgh_bits),
MACH_MSGH_BITS_REMOTE(request.header.msgh_bits));
forward.header.msgh_local_port = forward.header.msgh_remote_port;
forward.header.msgh_remote_port = previous.port;
ret = mach_msg(&forward.header, MACH_SEND_MSG, forward.header.msgh_size, 0,
MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
if (ret != MACH_MSG_SUCCESS)
MOZ_CRASH("MachExceptionHandler: Failed to forward to the previous handler!");
} else {
// There was no previous task-level exception handler, so defer to the
// host level one instead. We set the return code to KERN_FAILURE to
// indicate that we did not handle the exception.
// The reply message ID is always the request ID + 100.
ExceptionReply reply = {};
reply.header.msgh_bits =
MACH_MSGH_BITS(MACH_MSGH_BITS_REMOTE(request.header.msgh_bits), 0);
reply.header.msgh_size = static_cast<mach_msg_size_t>(sizeof(reply));
reply.header.msgh_remote_port = request.header.msgh_remote_port;
reply.header.msgh_local_port = MACH_PORT_NULL;
reply.header.msgh_id = request.header.msgh_id + 100;
reply.NDR = request.NDR;
reply.RetCode = KERN_FAILURE;
ret = mach_msg(&reply.header, MACH_SEND_MSG, reply.header.msgh_size, 0,
MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
if (ret != MACH_MSG_SUCCESS)
MOZ_CRASH("MachExceptionHandler: Failed to forward to the host level!");
}
}
NS_IMETHOD OnDataWritten(CacheFileHandle *aHandle, const char *aBuf,
nsresult aResult)
{
MOZ_CRASH("DoomFileHelper::OnDataWritten should not be called!");
return NS_ERROR_UNEXPECTED;
}
bool
ICBinaryArith_Int32::Compiler::generateStubCode(MacroAssembler& masm)
{
// Guard that R0 is an integer and R1 is an integer.
Label failure;
masm.branchTestInt32(Assembler::NotEqual, R0, &failure);
masm.branchTestInt32(Assembler::NotEqual, R1, &failure);
// Add R0 and R1. Don't need to explicitly unbox, just use R2's payloadReg.
Register scratchReg = R2.payloadReg();
// DIV and MOD need an extra non-volatile ValueOperand to hold R0.
AllocatableGeneralRegisterSet savedRegs(availableGeneralRegs(2));
savedRegs.set() = GeneralRegisterSet::Intersect(GeneralRegisterSet::NonVolatile(), savedRegs.set());
Label goodMul, divTest1, divTest2;
switch(op_) {
case JSOP_ADD:
// We know R0.typeReg() already contains the integer tag. No boxing
// required.
masm.ma_addTestOverflow(scratchReg, R0.payloadReg(), R1.payloadReg(), &failure);
masm.move32(scratchReg, R0.payloadReg());
break;
case JSOP_SUB:
masm.ma_subTestOverflow(scratchReg, R0.payloadReg(), R1.payloadReg(), &failure);
masm.move32(scratchReg, R0.payloadReg());
break;
case JSOP_MUL: {
masm.ma_mul_branch_overflow(scratchReg, R0.payloadReg(), R1.payloadReg(), &failure);
masm.ma_b(scratchReg, Imm32(0), &goodMul, Assembler::NotEqual, ShortJump);
// Result is -0 if operands have different signs.
masm.as_xor(t8, R0.payloadReg(), R1.payloadReg());
masm.ma_b(t8, Imm32(0), &failure, Assembler::LessThan, ShortJump);
masm.bind(&goodMul);
masm.move32(scratchReg, R0.payloadReg());
break;
}
case JSOP_DIV:
case JSOP_MOD: {
// Check for INT_MIN / -1, it results in a double.
masm.ma_b(R0.payloadReg(), Imm32(INT_MIN), &divTest1, Assembler::NotEqual, ShortJump);
masm.ma_b(R1.payloadReg(), Imm32(-1), &failure, Assembler::Equal, ShortJump);
masm.bind(&divTest1);
// Check for division by zero
masm.ma_b(R1.payloadReg(), Imm32(0), &failure, Assembler::Equal, ShortJump);
// Check for 0 / X with X < 0 (results in -0).
masm.ma_b(R0.payloadReg(), Imm32(0), &divTest2, Assembler::NotEqual, ShortJump);
masm.ma_b(R1.payloadReg(), Imm32(0), &failure, Assembler::LessThan, ShortJump);
masm.bind(&divTest2);
masm.as_div(R0.payloadReg(), R1.payloadReg());
if (op_ == JSOP_DIV) {
// Result is a double if the remainder != 0.
masm.as_mfhi(scratchReg);
masm.ma_b(scratchReg, Imm32(0), &failure, Assembler::NotEqual, ShortJump);
masm.as_mflo(scratchReg);
masm.tagValue(JSVAL_TYPE_INT32, scratchReg, R0);
} else {
Label done;
// If X % Y == 0 and X < 0, the result is -0.
masm.as_mfhi(scratchReg);
masm.ma_b(scratchReg, Imm32(0), &done, Assembler::NotEqual, ShortJump);
masm.ma_b(R0.payloadReg(), Imm32(0), &failure, Assembler::LessThan, ShortJump);
masm.bind(&done);
masm.tagValue(JSVAL_TYPE_INT32, scratchReg, R0);
}
break;
}
case JSOP_BITOR:
masm.ma_or(R0.payloadReg() , R0.payloadReg(), R1.payloadReg());
break;
case JSOP_BITXOR:
masm.ma_xor(R0.payloadReg() , R0.payloadReg(), R1.payloadReg());
break;
case JSOP_BITAND:
masm.ma_and(R0.payloadReg() , R0.payloadReg(), R1.payloadReg());
break;
case JSOP_LSH:
// MIPS will only use 5 lowest bits in R1 as shift offset.
masm.ma_sll(R0.payloadReg(), R0.payloadReg(), R1.payloadReg());
break;
case JSOP_RSH:
masm.ma_sra(R0.payloadReg(), R0.payloadReg(), R1.payloadReg());
break;
case JSOP_URSH:
masm.ma_srl(scratchReg, R0.payloadReg(), R1.payloadReg());
if (allowDouble_) {
Label toUint;
masm.ma_b(scratchReg, Imm32(0), &toUint, Assembler::LessThan, ShortJump);
// Move result and box for return.
masm.move32(scratchReg, R0.payloadReg());
EmitReturnFromIC(masm);
masm.bind(&toUint);
masm.convertUInt32ToDouble(scratchReg, FloatReg1);
masm.boxDouble(FloatReg1, R0);
} else {
masm.ma_b(scratchReg, Imm32(0), &failure, Assembler::LessThan, ShortJump);
// Move result for return.
masm.move32(scratchReg, R0.payloadReg());
}
break;
default:
MOZ_CRASH("Unhandled op for BinaryArith_Int32.");
}
EmitReturnFromIC(masm);
// Failure case - jump to next stub
masm.bind(&failure);
EmitStubGuardFailure(masm);
return true;
}
NS_IMETHOD OnEOFSet(CacheFileHandle *aHandle, nsresult aResult)
{
MOZ_CRASH("DoomFileHelper::OnEOFSet should not be called!");
return NS_ERROR_UNEXPECTED;
}
void
FileBlobImpl::SetLastModified(int64_t aLastModified)
{
MOZ_CRASH("SetLastModified of a real file is not allowed!");
}
NS_IMETHOD OnMetadataRead(nsresult aResult)
{
MOZ_CRASH("MetadataListenerHelper::OnMetadataRead should not be called!");
return NS_ERROR_UNEXPECTED;
}
MaybeInvalidTabContext::MaybeInvalidTabContext(const IPCTabContext& aParams)
: mInvalidReason(nullptr)
{
bool isBrowser = false;
uint32_t ownAppId = NO_APP_ID;
uint32_t containingAppId = NO_APP_ID;
const IPCTabAppBrowserContext& appBrowser = aParams.appBrowserContext();
switch(appBrowser.type()) {
case IPCTabAppBrowserContext::TPopupIPCTabContext: {
const PopupIPCTabContext &ipcContext = appBrowser.get_PopupIPCTabContext();
TabContext *context;
if (ipcContext.openerParent()) {
context = static_cast<TabParent*>(ipcContext.openerParent());
if (context->IsBrowserElement() && !ipcContext.isBrowserElement()) {
// If the TabParent corresponds to a browser element, then it can only
// open other browser elements, for security reasons. We should have
// checked this before calling the TabContext constructor, so this is
// a fatal error.
mInvalidReason = "Child is-browser process tried to "
"open a non-browser tab.";
return;
}
} else if (ipcContext.openerChild()) {
context = static_cast<TabChild*>(ipcContext.openerChild());
} else {
// This should be unreachable because PopupIPCTabContext::opener is not a
// nullable field.
mInvalidReason = "PopupIPCTabContext::opener was null (?!).";
return;
}
// Browser elements can't nest other browser elements. So if
// our opener is browser element, we must be a new DOM window
// opened by it. In that case we inherit our containing app ID
// (if any).
//
// Otherwise, we're a new app window and we inherit from our
// opener app.
if (ipcContext.isBrowserElement()) {
isBrowser = true;
ownAppId = NO_APP_ID;
containingAppId = context->OwnOrContainingAppId();
} else {
isBrowser = false;
ownAppId = context->mOwnAppId;
containingAppId = context->mContainingAppId;
}
break;
}
case IPCTabAppBrowserContext::TAppFrameIPCTabContext: {
const AppFrameIPCTabContext &ipcContext =
appBrowser.get_AppFrameIPCTabContext();
isBrowser = false;
ownAppId = ipcContext.ownAppId();
containingAppId = ipcContext.appFrameOwnerAppId();
break;
}
case IPCTabAppBrowserContext::TBrowserFrameIPCTabContext: {
const BrowserFrameIPCTabContext &ipcContext =
appBrowser.get_BrowserFrameIPCTabContext();
isBrowser = true;
ownAppId = NO_APP_ID;
containingAppId = ipcContext.browserFrameOwnerAppId();
break;
}
case IPCTabAppBrowserContext::TVanillaFrameIPCTabContext: {
isBrowser = false;
ownAppId = NO_APP_ID;
containingAppId = NO_APP_ID;
break;
}
default: {
MOZ_CRASH();
}
}
nsCOMPtr<mozIApplication> ownApp = GetAppForId(ownAppId);
if ((ownApp == nullptr) != (ownAppId == NO_APP_ID)) {
mInvalidReason = "Got an ownAppId that didn't correspond to an app.";
return;
}
nsCOMPtr<mozIApplication> containingApp = GetAppForId(containingAppId);
if ((containingApp == nullptr) != (containingAppId == NO_APP_ID)) {
mInvalidReason = "Got a containingAppId that didn't correspond to an app.";
return;
}
bool rv;
if (isBrowser) {
rv = mTabContext.SetTabContextForBrowserFrame(containingApp,
aParams.scrollingBehavior());
} else {
rv = mTabContext.SetTabContextForAppFrame(ownApp,
containingApp,
aParams.scrollingBehavior());
}
if (!rv) {
mInvalidReason = "Couldn't initialize TabContext.";
}
}
nsresult
CacheFile::OnChunkUpdated(CacheFileChunk *aChunk)
{
MOZ_CRASH("CacheFile::OnChunkUpdated should not be called!");
return NS_ERROR_UNEXPECTED;
}
bool
GMPChild::RecvCrashPluginNow()
{
MOZ_CRASH();
return true;
}
nsresult
CacheFile::OnDataRead(CacheFileHandle *aHandle, char *aBuf, nsresult aResult)
{
MOZ_CRASH("CacheFile::OnDataRead should not be called!");
return NS_ERROR_UNEXPECTED;
}
already_AddRefed<nsIPrincipal>
PrincipalInfoToPrincipal(const PrincipalInfo& aPrincipalInfo,
nsresult* aOptionalResult)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aPrincipalInfo.type() != PrincipalInfo::T__None);
nsresult stackResult;
nsresult& rv = aOptionalResult ? *aOptionalResult : stackResult;
nsCOMPtr<nsIScriptSecurityManager> secMan =
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
nsCOMPtr<nsIPrincipal> principal;
switch (aPrincipalInfo.type()) {
case PrincipalInfo::TSystemPrincipalInfo: {
rv = secMan->GetSystemPrincipal(getter_AddRefs(principal));
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return principal.forget();
}
case PrincipalInfo::TNullPrincipalInfo: {
principal = do_CreateInstance(NS_NULLPRINCIPAL_CONTRACTID, &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return principal.forget();
}
case PrincipalInfo::TContentPrincipalInfo: {
const ContentPrincipalInfo& info =
aPrincipalInfo.get_ContentPrincipalInfo();
nsCOMPtr<nsIURI> uri;
rv = NS_NewURI(getter_AddRefs(uri), info.spec());
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
if (info.appId() == nsIScriptSecurityManager::UNKNOWN_APP_ID) {
rv = secMan->GetSimpleCodebasePrincipal(uri, getter_AddRefs(principal));
} else {
rv = secMan->GetAppCodebasePrincipal(uri,
info.appId(),
info.isInBrowserElement(),
getter_AddRefs(principal));
}
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
return principal.forget();
}
case PrincipalInfo::TExpandedPrincipalInfo: {
const ExpandedPrincipalInfo& info = aPrincipalInfo.get_ExpandedPrincipalInfo();
nsTArray< nsCOMPtr<nsIPrincipal> > whitelist;
nsCOMPtr<nsIPrincipal> wlPrincipal;
for (uint32_t i = 0; i < info.whitelist().Length(); i++) {
wlPrincipal = PrincipalInfoToPrincipal(info.whitelist()[i], &rv);
if (NS_WARN_IF(NS_FAILED(rv))) {
return nullptr;
}
// append that principal to the whitelist
whitelist.AppendElement(wlPrincipal);
}
nsRefPtr<nsExpandedPrincipal> expandedPrincipal = new nsExpandedPrincipal(whitelist);
if (!expandedPrincipal) {
NS_WARNING("could not instantiate expanded principal");
return nullptr;
}
principal = expandedPrincipal;
return principal.forget();
}
default:
MOZ_CRASH("Unknown PrincipalInfo type!");
}
MOZ_CRASH("Should never get here!");
}
nsresult
CacheFile::OnEOFSet(CacheFileHandle *aHandle, nsresult aResult)
{
MOZ_CRASH("CacheFile::OnEOFSet should not be called!");
return NS_ERROR_UNEXPECTED;
}
static already_AddRefed<const webgl::LinkedProgramInfo>
QueryProgramInfo(WebGLProgram* prog, gl::GLContext* gl)
{
RefPtr<webgl::LinkedProgramInfo> info(new webgl::LinkedProgramInfo(prog));
GLuint maxAttribLenWithNull = 0;
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_ATTRIBUTE_MAX_LENGTH,
(GLint*)&maxAttribLenWithNull);
if (maxAttribLenWithNull < 1)
maxAttribLenWithNull = 1;
GLuint maxUniformLenWithNull = 0;
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_UNIFORM_MAX_LENGTH,
(GLint*)&maxUniformLenWithNull);
if (maxUniformLenWithNull < 1)
maxUniformLenWithNull = 1;
GLuint maxUniformBlockLenWithNull = 0;
if (gl->IsSupported(gl::GLFeature::uniform_buffer_object)) {
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH,
(GLint*)&maxUniformBlockLenWithNull);
if (maxUniformBlockLenWithNull < 1)
maxUniformBlockLenWithNull = 1;
}
#ifdef DUMP_SHADERVAR_MAPPINGS
printf_stderr("maxAttribLenWithNull: %d\n", maxAttribLenWithNull);
printf_stderr("maxUniformLenWithNull: %d\n", maxUniformLenWithNull);
printf_stderr("maxUniformBlockLenWithNull: %d\n", maxUniformBlockLenWithNull);
#endif
// Attribs
GLuint numActiveAttribs = 0;
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_ATTRIBUTES,
(GLint*)&numActiveAttribs);
for (GLuint i = 0; i < numActiveAttribs; i++) {
nsAutoCString mappedName;
mappedName.SetLength(maxAttribLenWithNull - 1);
GLsizei lengthWithoutNull = 0;
GLint elemCount = 0; // `size`
GLenum elemType = 0; // `type`
gl->fGetActiveAttrib(prog->mGLName, i, mappedName.Length()+1, &lengthWithoutNull,
&elemCount, &elemType, mappedName.BeginWriting());
mappedName.SetLength(lengthWithoutNull);
// Collect ActiveInfos:
// Attribs can't be arrays, so we can skip some of the mess we have in the Uniform
// path.
nsDependentCString userName;
if (!prog->FindAttribUserNameByMappedName(mappedName, &userName))
userName.Rebind(mappedName, 0);
#ifdef DUMP_SHADERVAR_MAPPINGS
printf_stderr("[attrib %i] %s/%s\n", i, mappedName.BeginReading(),
userName.BeginReading());
printf_stderr(" lengthWithoutNull: %d\n", lengthWithoutNull);
#endif
const bool isArray = false;
AddActiveInfo(prog->Context(), elemCount, elemType, isArray, userName, mappedName,
&info->activeAttribs, &info->attribMap);
// Collect active locations:
GLint loc = gl->fGetAttribLocation(prog->mGLName, mappedName.BeginReading());
if (loc == -1)
MOZ_CRASH("Active attrib has no location.");
info->activeAttribLocs.insert(loc);
}
// Uniforms
const bool needsCheckForArrays = gl->WorkAroundDriverBugs();
GLuint numActiveUniforms = 0;
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_UNIFORMS,
(GLint*)&numActiveUniforms);
for (GLuint i = 0; i < numActiveUniforms; i++) {
nsAutoCString mappedName;
mappedName.SetLength(maxUniformLenWithNull - 1);
GLsizei lengthWithoutNull = 0;
GLint elemCount = 0; // `size`
GLenum elemType = 0; // `type`
gl->fGetActiveUniform(prog->mGLName, i, mappedName.Length()+1, &lengthWithoutNull,
&elemCount, &elemType, mappedName.BeginWriting());
mappedName.SetLength(lengthWithoutNull);
nsAutoCString baseMappedName;
bool isArray;
size_t arrayIndex;
if (!ParseName(mappedName, &baseMappedName, &isArray, &arrayIndex))
MOZ_CRASH("Failed to parse `mappedName` received from driver.");
// Note that for good drivers, `isArray` should already be correct.
// However, if FindUniform succeeds, it will be validator-guaranteed correct.
nsAutoCString baseUserName;
if (!prog->FindUniformByMappedName(baseMappedName, &baseUserName, &isArray)) {
baseUserName = baseMappedName;
if (needsCheckForArrays && !isArray) {
// By GLES 3, GetUniformLocation("foo[0]") should return -1 if `foo` is
// not an array. Our current linux Try slaves return the location of `foo`
// anyways, though.
std::string mappedNameStr = baseMappedName.BeginReading();
mappedNameStr += "[0]";
GLint loc = gl->fGetUniformLocation(prog->mGLName, mappedNameStr.c_str());
if (loc != -1)
isArray = true;
}
}
#ifdef DUMP_SHADERVAR_MAPPINGS
printf_stderr("[uniform %i] %s/%i/%s/%s\n", i, mappedName.BeginReading(),
(int)isArray, baseMappedName.BeginReading(),
baseUserName.BeginReading());
printf_stderr(" lengthWithoutNull: %d\n", lengthWithoutNull);
printf_stderr(" isArray: %d\n", (int)isArray);
#endif
AddActiveInfo(prog->Context(), elemCount, elemType, isArray, baseUserName,
baseMappedName, &info->activeUniforms, &info->uniformMap);
}
// Uniform Blocks
if (gl->IsSupported(gl::GLFeature::uniform_buffer_object)) {
GLuint numActiveUniformBlocks = 0;
gl->fGetProgramiv(prog->mGLName, LOCAL_GL_ACTIVE_UNIFORM_BLOCKS,
(GLint*)&numActiveUniformBlocks);
for (GLuint i = 0; i < numActiveUniformBlocks; i++) {
nsAutoCString mappedName;
mappedName.SetLength(maxUniformBlockLenWithNull - 1);
GLint lengthWithoutNull;
gl->fGetActiveUniformBlockiv(prog->mGLName, i, LOCAL_GL_UNIFORM_BLOCK_NAME_LENGTH, &lengthWithoutNull);
gl->fGetActiveUniformBlockName(prog->mGLName, i, maxUniformBlockLenWithNull, &lengthWithoutNull, mappedName.BeginWriting());
mappedName.SetLength(lengthWithoutNull);
nsAutoCString baseMappedName;
bool isArray;
size_t arrayIndex;
if (!ParseName(mappedName, &baseMappedName, &isArray, &arrayIndex))
MOZ_CRASH("Failed to parse `mappedName` received from driver.");
nsAutoCString baseUserName;
if (!prog->FindUniformBlockByMappedName(baseMappedName, &baseUserName,
&isArray))
{
baseUserName = baseMappedName;
if (needsCheckForArrays && !isArray) {
std::string mappedNameStr = baseMappedName.BeginReading();
mappedNameStr += "[0]";
GLuint loc = gl->fGetUniformBlockIndex(prog->mGLName,
mappedNameStr.c_str());
if (loc != LOCAL_GL_INVALID_INDEX)
isArray = true;
}
}
#ifdef DUMP_SHADERVAR_MAPPINGS
printf_stderr("[uniform block %i] %s/%i/%s/%s\n", i, mappedName.BeginReading(),
(int)isArray, baseMappedName.BeginReading(),
baseUserName.BeginReading());
printf_stderr(" lengthWithoutNull: %d\n", lengthWithoutNull);
printf_stderr(" isArray: %d\n", (int)isArray);
#endif
AddActiveBlockInfo(baseUserName, baseMappedName, &info->uniformBlocks);
}
}
return info.forget();
}
void
SpeechRecognition::Transition(SpeechEvent* aEvent)
{
switch (mCurrentState) {
case STATE_IDLE:
switch (aEvent->mType) {
case EVENT_START:
// TODO: may want to time out if we wait too long
// for user to approve
WaitForAudioData(aEvent);
break;
case EVENT_STOP:
case EVENT_ABORT:
case EVENT_AUDIO_DATA:
case EVENT_RECOGNITIONSERVICE_INTERMEDIATE_RESULT:
case EVENT_RECOGNITIONSERVICE_FINAL_RESULT:
DoNothing(aEvent);
break;
case EVENT_AUDIO_ERROR:
case EVENT_RECOGNITIONSERVICE_ERROR:
AbortError(aEvent);
break;
case EVENT_COUNT:
MOZ_CRASH("Invalid event EVENT_COUNT");
}
break;
case STATE_STARTING:
switch (aEvent->mType) {
case EVENT_AUDIO_DATA:
StartedAudioCapture(aEvent);
break;
case EVENT_AUDIO_ERROR:
case EVENT_RECOGNITIONSERVICE_ERROR:
AbortError(aEvent);
break;
case EVENT_ABORT:
AbortSilently(aEvent);
break;
case EVENT_STOP:
Reset();
break;
case EVENT_RECOGNITIONSERVICE_INTERMEDIATE_RESULT:
case EVENT_RECOGNITIONSERVICE_FINAL_RESULT:
DoNothing(aEvent);
break;
case EVENT_START:
SR_LOG("STATE_STARTING: Unhandled event %s", GetName(aEvent));
MOZ_CRASH();
case EVENT_COUNT:
MOZ_CRASH("Invalid event EVENT_COUNT");
}
break;
case STATE_ESTIMATING:
switch (aEvent->mType) {
case EVENT_AUDIO_DATA:
WaitForEstimation(aEvent);
break;
case EVENT_STOP:
StopRecordingAndRecognize(aEvent);
break;
case EVENT_ABORT:
AbortSilently(aEvent);
break;
case EVENT_RECOGNITIONSERVICE_INTERMEDIATE_RESULT:
case EVENT_RECOGNITIONSERVICE_FINAL_RESULT:
case EVENT_RECOGNITIONSERVICE_ERROR:
DoNothing(aEvent);
break;
case EVENT_AUDIO_ERROR:
AbortError(aEvent);
break;
case EVENT_START:
SR_LOG("STATE_ESTIMATING: Unhandled event %d", aEvent->mType);
MOZ_CRASH();
case EVENT_COUNT:
MOZ_CRASH("Invalid event EVENT_COUNT");
}
break;
case STATE_WAITING_FOR_SPEECH:
switch (aEvent->mType) {
case EVENT_AUDIO_DATA:
DetectSpeech(aEvent);
break;
case EVENT_STOP:
StopRecordingAndRecognize(aEvent);
break;
case EVENT_ABORT:
AbortSilently(aEvent);
break;
case EVENT_AUDIO_ERROR:
AbortError(aEvent);
break;
case EVENT_RECOGNITIONSERVICE_INTERMEDIATE_RESULT:
case EVENT_RECOGNITIONSERVICE_FINAL_RESULT:
case EVENT_RECOGNITIONSERVICE_ERROR:
DoNothing(aEvent);
break;
case EVENT_START:
SR_LOG("STATE_STARTING: Unhandled event %s", GetName(aEvent));
MOZ_CRASH();
case EVENT_COUNT:
MOZ_CRASH("Invalid event EVENT_COUNT");
}
break;
case STATE_RECOGNIZING:
switch (aEvent->mType) {
case EVENT_AUDIO_DATA:
WaitForSpeechEnd(aEvent);
break;
case EVENT_STOP:
StopRecordingAndRecognize(aEvent);
break;
case EVENT_AUDIO_ERROR:
case EVENT_RECOGNITIONSERVICE_ERROR:
AbortError(aEvent);
break;
case EVENT_ABORT:
AbortSilently(aEvent);
break;
case EVENT_RECOGNITIONSERVICE_FINAL_RESULT:
case EVENT_RECOGNITIONSERVICE_INTERMEDIATE_RESULT:
DoNothing(aEvent);
break;
case EVENT_START:
SR_LOG("STATE_RECOGNIZING: Unhandled aEvent %s", GetName(aEvent));
MOZ_CRASH();
case EVENT_COUNT:
MOZ_CRASH("Invalid event EVENT_COUNT");
}
break;
case STATE_WAITING_FOR_RESULT:
switch (aEvent->mType) {
case EVENT_STOP:
DoNothing(aEvent);
break;
case EVENT_AUDIO_ERROR:
case EVENT_RECOGNITIONSERVICE_ERROR:
AbortError(aEvent);
break;
case EVENT_RECOGNITIONSERVICE_FINAL_RESULT:
NotifyFinalResult(aEvent);
break;
case EVENT_AUDIO_DATA:
DoNothing(aEvent);
break;
case EVENT_ABORT:
AbortSilently(aEvent);
break;
case EVENT_START:
case EVENT_RECOGNITIONSERVICE_INTERMEDIATE_RESULT:
SR_LOG("STATE_WAITING_FOR_RESULT: Unhandled aEvent %s", GetName(aEvent));
MOZ_CRASH();
case EVENT_COUNT:
MOZ_CRASH("Invalid event EVENT_COUNT");
}
break;
case STATE_COUNT:
MOZ_CRASH("Invalid state STATE_COUNT");
}
return;
}
void
ReadPixelsIntoImageSurface(GLContext* gl, gfxImageSurface* dest) {
gl->MakeCurrent();
MOZ_ASSERT(dest->GetSize() != gfxIntSize(0, 0));
/* gfxImageFormat::ARGB32:
* RGBA+UByte: be[RGBA], le[ABGR]
* RGBA+UInt: le[RGBA]
* BGRA+UInt: le[BGRA]
* BGRA+UIntRev: le[ARGB]
*
* gfxImageFormat::RGB16_565:
* RGB+UShort: le[rrrrrggg,gggbbbbb]
*/
bool hasAlpha = dest->Format() == gfxImageFormat::ARGB32;
int destPixelSize;
GLenum destFormat;
GLenum destType;
switch (dest->Format()) {
case gfxImageFormat::RGB24: // XRGB
case gfxImageFormat::ARGB32:
destPixelSize = 4;
// Needs host (little) endian ARGB.
destFormat = LOCAL_GL_BGRA;
destType = LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV;
break;
case gfxImageFormat::RGB16_565:
destPixelSize = 2;
destFormat = LOCAL_GL_RGB;
destType = LOCAL_GL_UNSIGNED_SHORT_5_6_5_REV;
break;
default:
MOZ_CRASH("Bad format.");
}
MOZ_ASSERT(dest->Stride() == dest->Width() * destPixelSize);
GLenum readFormat = destFormat;
GLenum readType = destType;
bool needsTempSurf = !GetActualReadFormats(gl,
destFormat, destType,
readFormat, readType);
nsAutoPtr<gfxImageSurface> tempSurf;
gfxImageSurface* readSurf = nullptr;
int readPixelSize = 0;
if (needsTempSurf) {
if (gl->DebugMode()) {
NS_WARNING("Needing intermediary surface for ReadPixels. This will be slow!");
}
SurfaceFormat readFormatGFX;
switch (readFormat) {
case LOCAL_GL_RGBA:
case LOCAL_GL_BGRA: {
readFormatGFX = hasAlpha ? SurfaceFormat::B8G8R8A8
: SurfaceFormat::B8G8R8X8;
break;
}
case LOCAL_GL_RGB: {
MOZ_ASSERT(readPixelSize == 2);
MOZ_ASSERT(readType == LOCAL_GL_UNSIGNED_SHORT_5_6_5_REV);
readFormatGFX = SurfaceFormat::R5G6B5;
break;
}
default: {
MOZ_CRASH("Bad read format.");
}
}
switch (readType) {
case LOCAL_GL_UNSIGNED_BYTE: {
MOZ_ASSERT(readFormat == LOCAL_GL_RGBA);
readPixelSize = 4;
break;
}
case LOCAL_GL_UNSIGNED_INT_8_8_8_8_REV: {
MOZ_ASSERT(readFormat == LOCAL_GL_BGRA);
readPixelSize = 4;
break;
}
case LOCAL_GL_UNSIGNED_SHORT_5_6_5_REV: {
MOZ_ASSERT(readFormat == LOCAL_GL_RGB);
readPixelSize = 2;
break;
}
default: {
MOZ_CRASH("Bad read type.");
}
}
tempSurf = new gfxImageSurface(dest->GetSize(),
SurfaceFormatToImageFormat(readFormatGFX),
false);
readSurf = tempSurf;
} else {
readPixelSize = destPixelSize;
readSurf = dest;
}
MOZ_ASSERT(readPixelSize);
GLint currentPackAlignment = 0;
gl->fGetIntegerv(LOCAL_GL_PACK_ALIGNMENT, ¤tPackAlignment);
if (currentPackAlignment != readPixelSize)
gl->fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, readPixelSize);
GLsizei width = dest->Width();
GLsizei height = dest->Height();
readSurf->Flush();
gl->fReadPixels(0, 0,
width, height,
readFormat, readType,
readSurf->Data());
readSurf->MarkDirty();
if (currentPackAlignment != readPixelSize)
gl->fPixelStorei(LOCAL_GL_PACK_ALIGNMENT, currentPackAlignment);
if (readSurf != dest) {
MOZ_ASSERT(readFormat == LOCAL_GL_RGBA);
MOZ_ASSERT(readType == LOCAL_GL_UNSIGNED_BYTE);
// So we just copied in RGBA in big endian, or le: 0xAABBGGRR.
// We want 0xAARRGGBB, so swap R and B:
dest->Flush();
RefPtr<DataSourceSurface> readDSurf =
Factory::CreateWrappingDataSourceSurface(readSurf->Data(),
readSurf->Stride(),
ToIntSize(readSurf->GetSize()),
ImageFormatToSurfaceFormat(readSurf->Format()));
SwapRAndBComponents(readDSurf);
dest->MarkDirty();
gfxContext ctx(dest);
ctx.SetOperator(gfxContext::OPERATOR_SOURCE);
ctx.SetSource(readSurf);
ctx.Paint();
}
// Check if GL is giving back 1.0 alpha for
// RGBA reads to RGBA images from no-alpha buffers.
#ifdef XP_MACOSX
if (gl->WorkAroundDriverBugs() &&
gl->Vendor() == gl::GLVendor::NVIDIA &&
dest->Format() == gfxImageFormat::ARGB32 &&
width && height)
{
GLint alphaBits = 0;
gl->fGetIntegerv(LOCAL_GL_ALPHA_BITS, &alphaBits);
if (!alphaBits) {
const uint32_t alphaMask = gfxPackedPixelNoPreMultiply(0xff,0,0,0);
dest->Flush();
uint32_t* itr = (uint32_t*)dest->Data();
uint32_t testPixel = *itr;
if ((testPixel & alphaMask) != alphaMask) {
// We need to set the alpha channel to 1.0 manually.
uint32_t* itrEnd = itr + width*height; // Stride is guaranteed to be width*4.
for (; itr != itrEnd; itr++) {
*itr |= alphaMask;
}
}
dest->MarkDirty();
}
}
#endif
}
JS::Value
WebGLContext::GetParameter(JSContext* cx, GLenum pname, ErrorResult& rv)
{
if (IsContextLost())
return JS::NullValue();
MakeContextCurrent();
if (MinCapabilityMode()) {
switch(pname) {
////////////////////////////
// Single-value params
// int
case LOCAL_GL_MAX_VERTEX_ATTRIBS:
return JS::Int32Value(MINVALUE_GL_MAX_VERTEX_ATTRIBS);
case LOCAL_GL_MAX_FRAGMENT_UNIFORM_VECTORS:
return JS::Int32Value(MINVALUE_GL_MAX_FRAGMENT_UNIFORM_VECTORS);
case LOCAL_GL_MAX_VERTEX_UNIFORM_VECTORS:
return JS::Int32Value(MINVALUE_GL_MAX_VERTEX_UNIFORM_VECTORS);
case LOCAL_GL_MAX_VARYING_VECTORS:
return JS::Int32Value(MINVALUE_GL_MAX_VARYING_VECTORS);
case LOCAL_GL_MAX_TEXTURE_SIZE:
return JS::Int32Value(MINVALUE_GL_MAX_TEXTURE_SIZE);
case LOCAL_GL_MAX_CUBE_MAP_TEXTURE_SIZE:
return JS::Int32Value(MINVALUE_GL_MAX_CUBE_MAP_TEXTURE_SIZE);
case LOCAL_GL_MAX_TEXTURE_IMAGE_UNITS:
return JS::Int32Value(MINVALUE_GL_MAX_TEXTURE_IMAGE_UNITS);
case LOCAL_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
return JS::Int32Value(MINVALUE_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS);
case LOCAL_GL_MAX_RENDERBUFFER_SIZE:
return JS::Int32Value(MINVALUE_GL_MAX_RENDERBUFFER_SIZE);
default:
// Return the real value; we're not overriding this one
break;
}
}
if (IsWebGL2() || IsExtensionEnabled(WebGLExtensionID::WEBGL_draw_buffers)) {
if (pname == LOCAL_GL_MAX_COLOR_ATTACHMENTS) {
return JS::Int32Value(mImplMaxColorAttachments);
} else if (pname == LOCAL_GL_MAX_DRAW_BUFFERS) {
return JS::Int32Value(mImplMaxDrawBuffers);
} else if (pname >= LOCAL_GL_DRAW_BUFFER0 &&
pname < GLenum(LOCAL_GL_DRAW_BUFFER0 + mImplMaxDrawBuffers))
{
GLint iv = 0;
gl->fGetIntegerv(pname, &iv);
if (mBoundDrawFramebuffer)
return JS::Int32Value(iv);
const GLint index = (pname - LOCAL_GL_DRAW_BUFFER0);
if (iv == LOCAL_GL_COLOR_ATTACHMENT0 + index)
return JS::Int32Value(LOCAL_GL_BACK);
return JS::Int32Value(LOCAL_GL_NONE);
}
}
if (IsWebGL2() || IsExtensionEnabled(WebGLExtensionID::OES_vertex_array_object)) {
if (pname == LOCAL_GL_VERTEX_ARRAY_BINDING) {
WebGLVertexArray* vao =
(mBoundVertexArray != mDefaultVertexArray) ? mBoundVertexArray.get() : nullptr;
return WebGLObjectAsJSValue(cx, vao, rv);
}
}
if (IsWebGL2() || IsExtensionEnabled(WebGLExtensionID::EXT_disjoint_timer_query)) {
if (pname == LOCAL_GL_TIMESTAMP_EXT) {
GLuint64 iv = 0;
gl->fGetInteger64v(pname, (GLint64*) &iv);
// TODO: JS doesn't support 64-bit integers. Be lossy and
// cast to double (53 bits)
return JS::NumberValue(static_cast<double>(iv));
} else if (pname == LOCAL_GL_GPU_DISJOINT_EXT) {
// When disjoint isn't supported, leave as false.
realGLboolean disjoint = LOCAL_GL_FALSE;
if (gl->IsExtensionSupported(gl::GLContext::EXT_disjoint_timer_query)) {
gl->fGetBooleanv(pname, &disjoint);
}
return JS::BooleanValue(bool(disjoint));
}
}
// Privileged string params exposed by WEBGL_debug_renderer_info.
// The privilege check is done in WebGLContext::IsExtensionSupported.
// So here we just have to check that the extension is enabled.
if (IsExtensionEnabled(WebGLExtensionID::WEBGL_debug_renderer_info)) {
switch (pname) {
case UNMASKED_VENDOR_WEBGL:
case UNMASKED_RENDERER_WEBGL:
{
const char* overridePref = nullptr;
GLenum driverEnum = LOCAL_GL_NONE;
switch (pname) {
case UNMASKED_RENDERER_WEBGL:
overridePref = "webgl.renderer-string-override";
driverEnum = LOCAL_GL_RENDERER;
break;
case UNMASKED_VENDOR_WEBGL:
overridePref = "webgl.vendor-string-override";
driverEnum = LOCAL_GL_VENDOR;
break;
default:
MOZ_CRASH("bad `pname`");
}
bool hasRetVal = false;
nsAutoString ret;
if (overridePref) {
nsresult res = Preferences::GetString(overridePref, &ret);
if (NS_SUCCEEDED(res) && ret.Length() > 0)
hasRetVal = true;
}
if (!hasRetVal) {
const char* chars = reinterpret_cast<const char*>(gl->fGetString(driverEnum));
ret = NS_ConvertASCIItoUTF16(chars);
hasRetVal = true;
}
return StringValue(cx, ret, rv);
}
}
}
if (IsWebGL2() || IsExtensionEnabled(WebGLExtensionID::OES_standard_derivatives)) {
if (pname == LOCAL_GL_FRAGMENT_SHADER_DERIVATIVE_HINT) {
GLint i = 0;
gl->fGetIntegerv(pname, &i);
return JS::Int32Value(i);
}
}
if (IsExtensionEnabled(WebGLExtensionID::EXT_texture_filter_anisotropic)) {
if (pname == LOCAL_GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT) {
GLfloat f = 0.f;
gl->fGetFloatv(pname, &f);
return JS::NumberValue(f);
}
}
switch (pname) {
//
// String params
//
case LOCAL_GL_VENDOR:
case LOCAL_GL_RENDERER:
return StringValue(cx, "Mozilla", rv);
case LOCAL_GL_VERSION:
return StringValue(cx, "WebGL 1.0", rv);
case LOCAL_GL_SHADING_LANGUAGE_VERSION:
return StringValue(cx, "WebGL GLSL ES 1.0", rv);
////////////////////////////////
// Single-value params
// unsigned int
case LOCAL_GL_CULL_FACE_MODE:
case LOCAL_GL_FRONT_FACE:
case LOCAL_GL_ACTIVE_TEXTURE:
case LOCAL_GL_STENCIL_FUNC:
case LOCAL_GL_STENCIL_FAIL:
case LOCAL_GL_STENCIL_PASS_DEPTH_FAIL:
case LOCAL_GL_STENCIL_PASS_DEPTH_PASS:
case LOCAL_GL_STENCIL_BACK_FUNC:
case LOCAL_GL_STENCIL_BACK_FAIL:
case LOCAL_GL_STENCIL_BACK_PASS_DEPTH_FAIL:
case LOCAL_GL_STENCIL_BACK_PASS_DEPTH_PASS:
case LOCAL_GL_DEPTH_FUNC:
case LOCAL_GL_BLEND_SRC_RGB:
case LOCAL_GL_BLEND_SRC_ALPHA:
case LOCAL_GL_BLEND_DST_RGB:
case LOCAL_GL_BLEND_DST_ALPHA:
case LOCAL_GL_BLEND_EQUATION_RGB:
case LOCAL_GL_BLEND_EQUATION_ALPHA:
case LOCAL_GL_GENERATE_MIPMAP_HINT: {
GLint i = 0;
gl->fGetIntegerv(pname, &i);
return JS::NumberValue(uint32_t(i));
}
case LOCAL_GL_IMPLEMENTATION_COLOR_READ_TYPE: {
if (mBoundReadFramebuffer) {
nsCString fbStatusInfoIgnored;
const auto status = mBoundReadFramebuffer->CheckFramebufferStatus(&fbStatusInfoIgnored);
if (status != LOCAL_GL_FRAMEBUFFER_COMPLETE) {
ErrorInvalidOperation("getParameter: Read framebuffer must be"
" complete before querying"
" IMPLEMENTATION_COLOR_READ_TYPE.");
return JS::NullValue();
}
}
GLint i = 0;
if (gl->IsSupported(gl::GLFeature::ES2_compatibility)) {
gl->fGetIntegerv(pname, &i);
} else {
i = LOCAL_GL_UNSIGNED_BYTE;
}
return JS::NumberValue(uint32_t(i));
}
case LOCAL_GL_IMPLEMENTATION_COLOR_READ_FORMAT: {
if (mBoundReadFramebuffer) {
nsCString fbStatusInfoIgnored;
const auto status = mBoundReadFramebuffer->CheckFramebufferStatus(&fbStatusInfoIgnored);
if (status != LOCAL_GL_FRAMEBUFFER_COMPLETE) {
ErrorInvalidOperation("getParameter: Read framebuffer must be"
" complete before querying"
" IMPLEMENTATION_COLOR_READ_FORMAT.");
return JS::NullValue();
}
}
GLint i = 0;
if (gl->IsSupported(gl::GLFeature::ES2_compatibility)) {
gl->fGetIntegerv(pname, &i);
} else {
i = LOCAL_GL_RGBA;
}
// OpenGL ES 3.0.4 p112 Table 3.2 shows that read format SRGB_ALPHA is
// not supported. And if internal format of fbo is SRGB8_ALPHA8, then
// IMPLEMENTATION_COLOR_READ_FORMAT is SRGB_ALPHA which is not supported
// by ReadPixels. So, just return RGBA here.
if (i == LOCAL_GL_SRGB_ALPHA)
i = LOCAL_GL_RGBA;
return JS::NumberValue(uint32_t(i));
}
// int
case LOCAL_GL_STENCIL_REF:
case LOCAL_GL_STENCIL_BACK_REF: {
GLint stencilBits = 0;
if (!GetStencilBits(&stencilBits))
return JS::NullValue();
// Assuming stencils have 8 bits
const GLint stencilMask = (1 << stencilBits) - 1;
GLint refValue = 0;
gl->fGetIntegerv(pname, &refValue);
return JS::Int32Value(refValue & stencilMask);
}
case LOCAL_GL_STENCIL_BITS: {
GLint stencilBits = 0;
GetStencilBits(&stencilBits);
return JS::Int32Value(stencilBits);
}
case LOCAL_GL_STENCIL_CLEAR_VALUE:
case LOCAL_GL_UNPACK_ALIGNMENT:
case LOCAL_GL_PACK_ALIGNMENT:
case LOCAL_GL_SUBPIXEL_BITS:
case LOCAL_GL_SAMPLE_BUFFERS:
case LOCAL_GL_SAMPLES:
case LOCAL_GL_MAX_VERTEX_ATTRIBS:
case LOCAL_GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS:
case LOCAL_GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS:
case LOCAL_GL_MAX_TEXTURE_IMAGE_UNITS:
case LOCAL_GL_RED_BITS:
case LOCAL_GL_GREEN_BITS:
case LOCAL_GL_BLUE_BITS: {
GLint i = 0;
gl->fGetIntegerv(pname, &i);
return JS::Int32Value(i);
}
case LOCAL_GL_DEPTH_BITS: {
GLint i = 0;
if (!mNeedsFakeNoDepth) {
gl->fGetIntegerv(pname, &i);
}
return JS::Int32Value(i);
}
case LOCAL_GL_ALPHA_BITS: {
GLint i = 0;
if (!mNeedsFakeNoAlpha) {
gl->fGetIntegerv(pname, &i);
}
return JS::Int32Value(i);
}
case LOCAL_GL_MAX_TEXTURE_SIZE:
return JS::Int32Value(mImplMaxTextureSize);
case LOCAL_GL_MAX_CUBE_MAP_TEXTURE_SIZE:
return JS::Int32Value(mImplMaxCubeMapTextureSize);
case LOCAL_GL_MAX_RENDERBUFFER_SIZE:
return JS::Int32Value(mImplMaxRenderbufferSize);
case LOCAL_GL_MAX_VERTEX_UNIFORM_VECTORS:
return JS::Int32Value(mGLMaxVertexUniformVectors);
case LOCAL_GL_MAX_FRAGMENT_UNIFORM_VECTORS:
return JS::Int32Value(mGLMaxFragmentUniformVectors);
case LOCAL_GL_MAX_VARYING_VECTORS:
return JS::Int32Value(mGLMaxVaryingVectors);
case LOCAL_GL_COMPRESSED_TEXTURE_FORMATS: {
uint32_t length = mCompressedTextureFormats.Length();
JSObject* obj = dom::Uint32Array::Create(cx, this, length,
mCompressedTextureFormats.Elements());
if (!obj) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
return JS::ObjectOrNullValue(obj);
}
// unsigned int. here we may have to return very large values like 2^32-1 that can't be represented as
// javascript integer values. We just return them as doubles and javascript doesn't care.
case LOCAL_GL_STENCIL_BACK_VALUE_MASK:
return JS::DoubleValue(mStencilValueMaskBack); // pass as FP value to allow large values such as 2^32-1.
case LOCAL_GL_STENCIL_BACK_WRITEMASK:
return JS::DoubleValue(mStencilWriteMaskBack);
case LOCAL_GL_STENCIL_VALUE_MASK:
return JS::DoubleValue(mStencilValueMaskFront);
case LOCAL_GL_STENCIL_WRITEMASK:
return JS::DoubleValue(mStencilWriteMaskFront);
// float
case LOCAL_GL_DEPTH_CLEAR_VALUE:
case LOCAL_GL_LINE_WIDTH:
case LOCAL_GL_POLYGON_OFFSET_FACTOR:
case LOCAL_GL_POLYGON_OFFSET_UNITS:
case LOCAL_GL_SAMPLE_COVERAGE_VALUE: {
GLfloat f = 0.f;
gl->fGetFloatv(pname, &f);
return JS::DoubleValue(f);
}
// bool
case LOCAL_GL_BLEND:
case LOCAL_GL_DEPTH_TEST:
case LOCAL_GL_STENCIL_TEST:
case LOCAL_GL_CULL_FACE:
case LOCAL_GL_DITHER:
case LOCAL_GL_POLYGON_OFFSET_FILL:
case LOCAL_GL_SCISSOR_TEST:
case LOCAL_GL_SAMPLE_COVERAGE_INVERT:
case LOCAL_GL_DEPTH_WRITEMASK: {
realGLboolean b = 0;
gl->fGetBooleanv(pname, &b);
return JS::BooleanValue(bool(b));
}
// bool, WebGL-specific
case UNPACK_FLIP_Y_WEBGL:
return JS::BooleanValue(mPixelStore_FlipY);
case UNPACK_PREMULTIPLY_ALPHA_WEBGL:
return JS::BooleanValue(mPixelStore_PremultiplyAlpha);
// uint, WebGL-specific
case UNPACK_COLORSPACE_CONVERSION_WEBGL:
return JS::NumberValue(uint32_t(mPixelStore_ColorspaceConversion));
////////////////////////////////
// Complex values
// 2 floats
case LOCAL_GL_DEPTH_RANGE:
case LOCAL_GL_ALIASED_POINT_SIZE_RANGE:
case LOCAL_GL_ALIASED_LINE_WIDTH_RANGE: {
GLfloat fv[2] = { 0 };
gl->fGetFloatv(pname, fv);
JSObject* obj = dom::Float32Array::Create(cx, this, 2, fv);
if (!obj) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
return JS::ObjectOrNullValue(obj);
}
// 4 floats
case LOCAL_GL_COLOR_CLEAR_VALUE:
case LOCAL_GL_BLEND_COLOR: {
GLfloat fv[4] = { 0 };
gl->fGetFloatv(pname, fv);
JSObject* obj = dom::Float32Array::Create(cx, this, 4, fv);
if (!obj) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
return JS::ObjectOrNullValue(obj);
}
// 2 ints
case LOCAL_GL_MAX_VIEWPORT_DIMS: {
GLint iv[2] = { 0 };
gl->fGetIntegerv(pname, iv);
JSObject* obj = dom::Int32Array::Create(cx, this, 2, iv);
if (!obj) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
return JS::ObjectOrNullValue(obj);
}
// 4 ints
case LOCAL_GL_SCISSOR_BOX:
case LOCAL_GL_VIEWPORT: {
GLint iv[4] = { 0 };
gl->fGetIntegerv(pname, iv);
JSObject* obj = dom::Int32Array::Create(cx, this, 4, iv);
if (!obj) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
return JS::ObjectOrNullValue(obj);
}
// 4 bools
case LOCAL_GL_COLOR_WRITEMASK: {
realGLboolean gl_bv[4] = { 0 };
gl->fGetBooleanv(pname, gl_bv);
bool vals[4] = { bool(gl_bv[0]), bool(gl_bv[1]),
bool(gl_bv[2]), bool(gl_bv[3]) };
JS::Rooted<JS::Value> arr(cx);
if (!dom::ToJSValue(cx, vals, &arr)) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
return arr;
}
case LOCAL_GL_ARRAY_BUFFER_BINDING: {
return WebGLObjectAsJSValue(cx, mBoundArrayBuffer.get(), rv);
}
case LOCAL_GL_ELEMENT_ARRAY_BUFFER_BINDING: {
return WebGLObjectAsJSValue(cx, mBoundVertexArray->mElementArrayBuffer.get(), rv);
}
case LOCAL_GL_RENDERBUFFER_BINDING: {
return WebGLObjectAsJSValue(cx, mBoundRenderbuffer.get(), rv);
}
// DRAW_FRAMEBUFFER_BINDING is the same as FRAMEBUFFER_BINDING.
case LOCAL_GL_FRAMEBUFFER_BINDING: {
return WebGLObjectAsJSValue(cx, mBoundDrawFramebuffer.get(), rv);
}
case LOCAL_GL_CURRENT_PROGRAM: {
return WebGLObjectAsJSValue(cx, mCurrentProgram.get(), rv);
}
case LOCAL_GL_TEXTURE_BINDING_2D: {
return WebGLObjectAsJSValue(cx, mBound2DTextures[mActiveTexture].get(), rv);
}
case LOCAL_GL_TEXTURE_BINDING_CUBE_MAP: {
return WebGLObjectAsJSValue(cx, mBoundCubeMapTextures[mActiveTexture].get(), rv);
}
default:
break;
}
ErrorInvalidEnumInfo("getParameter: parameter", pname);
return JS::NullValue();
}
