already_AddRefed<gfxASurface>
ContentClientRemote::CreateBuffer(ContentType aType,
const nsIntRect& aRect,
uint32_t aFlags)
{
NS_ABORT_IF_FALSE(!mIsNewBuffer,
"Bad! Did we create a buffer twice without painting?");
mIsNewBuffer = true;
if (mTextureClient) {
mOldTextures.AppendElement(mTextureClient);
DestroyBuffers();
}
mTextureClient = CreateTextureClient(TEXTURE_CONTENT, aFlags | HostRelease);
mContentType = aType;
mSize = gfx::IntSize(aRect.width, aRect.height);
mTextureClient->EnsureAllocated(mSize, mContentType);
// note that LockSurfaceDescriptor doesn't actually lock anything
MOZ_ASSERT(IsSurfaceDescriptorValid(*mTextureClient->LockSurfaceDescriptor()));
CreateFrontBufferAndNotify(aRect, aFlags | HostRelease);
nsRefPtr<gfxASurface> ret = mTextureClient->LockSurface();
return ret.forget();
}
void
ImageClientSingle::EnsureTextureClient(TextureClientType aType)
{
// We should not call this method if using ImageBridge or tiled texture
// clients since SupportsType always fails
if (mTextureClient && mTextureClient->SupportsType(aType)) {
return;
}
mTextureClient = CreateTextureClient(aType);
}
void
CanvasClientSurfaceStream::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
{
if (!mTextureClient) {
mTextureClient = CreateTextureClient(TEXTURE_STREAM_GL);
MOZ_ASSERT(mTextureClient, "Failed to create texture client");
}
NS_ASSERTION(aLayer->mGLContext, "CanvasClientSurfaceStream should only be used with GL canvases");
// the content type won't be used
mTextureClient->EnsureAllocated(aSize, gfxASurface::CONTENT_COLOR);
GLScreenBuffer* screen = aLayer->mGLContext->Screen();
SurfaceStream* stream = screen->Stream();
bool isCrossProcess = !(XRE_GetProcessType() == GoannaProcessType_Default);
if (isCrossProcess) {
// swap staging -> consumer so we can send it to the compositor
SharedSurface* surf = stream->SwapConsumer();
if (!surf) {
printf_stderr("surf is null post-SwapConsumer!\n");
return;
}
#ifdef MOZ_WIDGET_GONK
if (surf->Type() != SharedSurfaceType::Gralloc) {
printf_stderr("Unexpected non-Gralloc SharedSurface in IPC path!");
return;
}
SharedSurface_Gralloc* grallocSurf = SharedSurface_Gralloc::Cast(surf);
mTextureClient->SetDescriptor(grallocSurf->GetDescriptor());
#else
printf_stderr("isCrossProcess, but not MOZ_WIDGET_GONK! Someone needs to write some code!");
MOZ_ASSERT(false);
#endif
mNeedsUpdate = true;
} else {
SurfaceStreamHandle handle = stream->GetShareHandle();
SurfaceDescriptor *desc = mTextureClient->GetDescriptor();
if (desc->type() != SurfaceDescriptor::TSurfaceStreamDescriptor ||
desc->get_SurfaceStreamDescriptor().handle() != handle) {
*desc = SurfaceStreamDescriptor(handle, false);
// Ref this so the SurfaceStream doesn't disappear unexpectedly. The
// Compositor will need to unref it when finished.
aLayer->mGLContext->AddRef();
mNeedsUpdate = true;
}
}
aLayer->Painted();
}
void
ContentClientDoubleBuffered::CreateFrontBufferAndNotify(const nsIntRect& aBufferRect,
uint32_t aFlags)
{
mFrontClient = CreateTextureClient(TEXTURE_CONTENT, aFlags);
mFrontClient->EnsureAllocated(mSize, mContentType);
mFrontBufferRect = aBufferRect;
mFrontBufferRotation = nsIntPoint();
mForwarder->CreatedDoubleBuffer(this, mFrontClient, mTextureClient);
}
void
ContentClientDoubleBuffered::CreateFrontBufferAndNotify(const nsIntRect& aBufferRect)
{
mFrontClient = CreateTextureClient(TEXTURE_CONTENT);
mFrontClient->EnsureAllocated(mSize, mContentType);
mFrontBufferRect = aBufferRect;
mFrontBufferRotation = nsIntPoint();
mForwarder->CreatedDoubleBuffer(this,
*mFrontClient->GetDescriptor(),
*mTextureClient->GetDescriptor(),
mTextureInfo);
}
void
CanvasClient2D::Update(gfx::IntSize aSize, BasicCanvasLayer* aLayer)
{
if (!mTextureClient) {
mTextureClient = CreateTextureClient(TEXTURE_SHMEM);
}
bool isOpaque = (aLayer->GetContentFlags() & Layer::CONTENT_OPAQUE);
gfxASurface::gfxContentType contentType = isOpaque
? gfxASurface::CONTENT_COLOR
: gfxASurface::CONTENT_COLOR_ALPHA;
mTextureClient->EnsureAllocated(aSize, contentType);
gfxASurface* surface = mTextureClient->LockSurface();
static_cast<BasicCanvasLayer*>(aLayer)->UpdateSurface(surface, nullptr);
mTextureClient->Unlock();
}
void
CanvasClient2D::Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer)
{
if (!mTextureClient) {
mTextureClient = CreateTextureClient(TEXTURE_SHMEM);
MOZ_ASSERT(mTextureClient, "Failed to create texture client");
}
bool isOpaque = (aLayer->GetContentFlags() & Layer::CONTENT_OPAQUE);
gfxASurface::gfxContentType contentType = isOpaque
? gfxASurface::CONTENT_COLOR
: gfxASurface::CONTENT_COLOR_ALPHA;
mTextureClient->EnsureAllocated(aSize, contentType);
gfxASurface* surface = mTextureClient->LockSurface();
aLayer->UpdateSurface(surface);
mTextureClient->Unlock();
}
void
CanvasClientWebGL::Update(gfx::IntSize aSize, BasicCanvasLayer* aLayer)
{
if (!mTextureClient) {
mTextureClient = CreateTextureClient(TEXTURE_STREAM_GL);
}
NS_ASSERTION(aLayer->mGLContext, "CanvasClientWebGL should only be used with GL canvases");
// the content type won't be used
mTextureClient->EnsureAllocated(aSize, gfxASurface::CONTENT_COLOR);
GLScreenBuffer* screen = aLayer->mGLContext->Screen();
SurfaceStreamHandle handle = screen->Stream()->GetShareHandle();
mTextureClient->SetDescriptor(SurfaceStreamDescriptor(handle, false));
aLayer->Painted();
}
void
ContentClientRemote::BuildTextureClient(ContentType aType,
const nsIntRect& aRect,
uint32_t aFlags)
{
NS_ABORT_IF_FALSE(!mIsNewBuffer,
"Bad! Did we create a buffer twice without painting?");
mIsNewBuffer = true;
if (mTextureClient) {
mOldTextures.AppendElement(mTextureClient);
DestroyBuffers();
}
mTextureInfo.mTextureFlags = aFlags | HostRelease;
mTextureClient = CreateTextureClient(TEXTURE_CONTENT);
mContentType = aType;
mSize = gfx::IntSize(aRect.width, aRect.height);
mTextureClient->EnsureAllocated(mSize, mContentType);
MOZ_ASSERT(IsSurfaceDescriptorValid(*mTextureClient->GetDescriptor()));
CreateFrontBufferAndNotify(aRect);
}