TemporaryRef<TextureHost>
CreateBackendIndependentTextureHost(uint64_t aID,
const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags)
{
RefPtr<TextureHost> result;
switch (aDesc.type()) {
case SurfaceDescriptor::TSurfaceDescriptorShmem: {
const SurfaceDescriptorShmem& descriptor = aDesc.get_SurfaceDescriptorShmem();
result = new ShmemTextureHost(aID,
descriptor.data(),
descriptor.format(),
aDeallocator,
aFlags);
break;
}
case SurfaceDescriptor::TSurfaceDescriptorMemory: {
const SurfaceDescriptorMemory& descriptor = aDesc.get_SurfaceDescriptorMemory();
result = new MemoryTextureHost(aID,
reinterpret_cast<uint8_t*>(descriptor.data()),
descriptor.format(),
aFlags);
break;
}
default: {
NS_WARNING("No backend independent TextureHost for this descriptor type");
}
}
return result;
}
already_AddRefed<TextureHost>
CreateBackendIndependentTextureHost(const SurfaceDescriptor& aDesc,
ISurfaceAllocator* aDeallocator,
TextureFlags aFlags)
{
RefPtr<TextureHost> result;
switch (aDesc.type()) {
case SurfaceDescriptor::TSurfaceDescriptorShmem: {
const SurfaceDescriptorShmem& descriptor = aDesc.get_SurfaceDescriptorShmem();
result = new ShmemTextureHost(descriptor.data(),
descriptor.format(),
aDeallocator,
aFlags);
break;
}
case SurfaceDescriptor::TSurfaceDescriptorMemory: {
const SurfaceDescriptorMemory& descriptor = aDesc.get_SurfaceDescriptorMemory();
result = new MemoryTextureHost(reinterpret_cast<uint8_t*>(descriptor.data()),
descriptor.format(),
aFlags);
break;
}
#ifdef XP_WIN
case SurfaceDescriptor::TSurfaceDescriptorDIB: {
result = new DIBTextureHost(aFlags, aDesc);
break;
}
case SurfaceDescriptor::TSurfaceDescriptorFileMapping: {
result = new TextureHostFileMapping(aFlags, aDesc);
break;
}
#endif
default: {
NS_WARNING("No backend independent TextureHost for this descriptor type");
}
}
return result.forget();
}