MemoryTextureData*
MemoryTextureData::Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
gfx::BackendType aMoz2DBackend,
LayersBackend aLayersBackend, TextureFlags aFlags,
TextureAllocationFlags aAllocFlags,
LayersIPCChannel* aAllocator)
{
// Should have used CreateForYCbCr.
MOZ_ASSERT(aFormat != gfx::SurfaceFormat::YUV);
if (aSize.width <= 0 || aSize.height <= 0) {
gfxDebug() << "Asking for buffer of invalid size " << aSize.width << "x" << aSize.height;
return nullptr;
}
uint32_t bufSize = ImageDataSerializer::ComputeRGBBufferSize(aSize, aFormat);
if (!bufSize) {
return nullptr;
}
uint8_t* buf = new (fallible) uint8_t[bufSize];
if (!InitBuffer(buf, bufSize, aFormat, aAllocFlags, false)) {
return nullptr;
}
bool hasIntermediateBuffer = ComputeHasIntermediateBuffer(aFormat, aLayersBackend);
GfxMemoryImageReporter::DidAlloc(buf);
BufferDescriptor descriptor = RGBDescriptor(aSize, aFormat, hasIntermediateBuffer);
return new MemoryTextureData(descriptor, aMoz2DBackend, buf, bufSize);
}
MemoryTextureData*
MemoryTextureData::Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
gfx::BackendType aMoz2DBackend, TextureFlags aFlags,
TextureAllocationFlags aAllocFlags,
ClientIPCAllocator* aAllocator)
{
// Should have used CreateForYCbCr.
MOZ_ASSERT(aFormat != gfx::SurfaceFormat::YUV);
if (aSize.width <= 0 || aSize.height <= 0) {
gfxDebug() << "Asking for buffer of invalid size " << aSize.width << "x" << aSize.height;
return nullptr;
}
uint32_t bufSize = ImageDataSerializer::ComputeRGBBufferSize(aSize, aFormat);
if (!bufSize) {
return nullptr;
}
uint8_t* buf = new (fallible) uint8_t[bufSize];
if (!InitBuffer(buf, bufSize, aFormat, aAllocFlags)) {
return nullptr;
}
auto fwd = aAllocator ? aAllocator->AsCompositableForwarder() : nullptr;
bool hasIntermediateBuffer = fwd ? ComputeHasIntermediateBuffer(aFormat,
fwd->GetCompositorBackendType())
: true;
GfxMemoryImageReporter::DidAlloc(buf);
BufferDescriptor descriptor = RGBDescriptor(aSize, aFormat, hasIntermediateBuffer);
return new MemoryTextureData(descriptor, aMoz2DBackend, buf, bufSize);
}
ShmemTextureData*
ShmemTextureData::Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
gfx::BackendType aMoz2DBackend,
LayersBackend aLayersBackend, TextureFlags aFlags,
TextureAllocationFlags aAllocFlags,
ClientIPCAllocator* aAllocator)
{
MOZ_ASSERT(aAllocator);
// Should have used CreateForYCbCr.
MOZ_ASSERT(aFormat != gfx::SurfaceFormat::YUV);
if (!aAllocator || !aAllocator->AsShmemAllocator()) {
return nullptr;
}
if (aSize.width <= 0 || aSize.height <= 0) {
gfxDebug() << "Asking for buffer of invalid size " << aSize.width << "x" << aSize.height;
return nullptr;
}
uint32_t bufSize = ImageDataSerializer::ComputeRGBBufferSize(aSize, aFormat);
if (!bufSize) {
return nullptr;
}
mozilla::ipc::Shmem shm;
if (!aAllocator->AsShmemAllocator()->AllocUnsafeShmem(bufSize, OptimalShmemType(), &shm)) {
return nullptr;
}
uint8_t* buf = shm.get<uint8_t>();
if (!InitBuffer(buf, bufSize, aFormat, aAllocFlags, true)) {
return nullptr;
}
// LAYERS_NONE must imply that we have no compositable forwarder
MOZ_ASSERT_IF(aLayersBackend == LayersBackend::LAYERS_NONE,
!aAllocator || !aAllocator->AsCompositableForwarder());
bool hasIntermediateBuffer = ComputeHasIntermediateBuffer(aFormat, aLayersBackend);
BufferDescriptor descriptor = RGBDescriptor(aSize, aFormat, hasIntermediateBuffer);
return new ShmemTextureData(descriptor, aMoz2DBackend, shm);
return nullptr;
}
