Files
tubestation/gfx/layers/client/CompositableClient.cpp
Bas Schouten b439abe1f3 Bug 825928: Land layers refactoring. r=jrmuizel,bas,nical,mattwoodrow,roc,nrc,benwa,bjacob,jgilbert,kchen CLOSED TREE
Please contact Bas Schouten <bschouten@mozilla.com>, Nicolas Silva <nsilva@mozilla.com> or Nicholas Cameron <ncameron@mozilla.com> with general questions. Below is a rough list of authors to contact with specific questions.

Authors:
gfx/layers/Compositor.* gfx/layers/Effects.h - Compositor Interface - bas,nrc,nical
gfx/layers/d3d* - D3D9/D3D10 - bas
gfx/layers/ThebesLayer* - ThebesLayers - nrc,bas
gfx/layers/composite/* - CompositeLayers - nrc,nical
gfx/layers/client/* - Client - nrc,nical,bas
gfx/layers/*Image* - nical
gfx/layers/ipc ipc - IPC - nical
gfx/layers/opengl - CompositorOGL - nrc,nical
gfx/2d - bas,nrc
gfx/gl - GLContext - bjacob
dom/* layout/* - DOM - mattwoodrow
2013-04-10 09:20:52 +00:00

149 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/layers/CompositableClient.h"
#include "mozilla/layers/TextureClient.h"
#include "mozilla/layers/TextureClientOGL.h"
#include "mozilla/layers/TextureChild.h"
#include "mozilla/layers/ShadowLayersChild.h"
#include "mozilla/layers/CompositableForwarder.h"
namespace mozilla {
namespace layers {
CompositableClient::~CompositableClient()
{
MOZ_COUNT_DTOR(CompositableClient);
Destroy();
}
LayersBackend
CompositableClient::GetCompositorBackendType() const
{
return mForwarder->GetCompositorBackendType();
}
void
CompositableClient::SetIPDLActor(CompositableChild* aChild)
{
mCompositableChild = aChild;
}
CompositableChild*
CompositableClient::GetIPDLActor() const
{
return mCompositableChild;
}
bool
CompositableClient::Connect()
{
if (!GetForwarder() || GetIPDLActor()) {
return false;
}
GetForwarder()->Connect(this);
return true;
}
void
CompositableClient::Destroy()
{
if (!mCompositableChild) {
return;
}
mCompositableChild->Destroy();
mCompositableChild = nullptr;
}
uint64_t
CompositableClient::GetAsyncID() const
{
if (mCompositableChild) {
return mCompositableChild->GetAsyncID();
}
return 0; // zero is always an invalid async ID
}
void
CompositableChild::Destroy()
{
int numChildren = ManagedPTextureChild().Length();
for (int i = numChildren-1; i >= 0; --i) {
TextureChild* texture =
static_cast<TextureChild*>(
ManagedPTextureChild()[i]);
texture->Destroy();
}
Send__delete__(this);
}
PTextureChild*
CompositableChild::AllocPTexture(const TextureInfo& aInfo)
{
return new TextureChild();
}
bool
CompositableChild::DeallocPTexture(PTextureChild* aActor)
{
delete aActor;
return true;
}
TemporaryRef<TextureClient>
CompositableClient::CreateTextureClient(TextureClientType aTextureClientType,
TextureFlags aFlags)
{
MOZ_ASSERT(GetForwarder(), "Can't create a texture client if the compositable is not connected to the compositor.");
LayersBackend parentBackend = GetForwarder()->GetCompositorBackendType();
RefPtr<TextureClient> result;
switch (aTextureClientType) {
case TEXTURE_SHARED_GL:
if (parentBackend == LAYERS_OPENGL) {
result = new TextureClientSharedOGL(GetForwarder(), GetType());
}
break;
case TEXTURE_SHARED_GL_EXTERNAL:
if (parentBackend == LAYERS_OPENGL) {
result = new TextureClientSharedOGLExternal(GetForwarder(), GetType());
}
break;
case TEXTURE_STREAM_GL:
if (parentBackend == LAYERS_OPENGL) {
result = new TextureClientStreamOGL(GetForwarder(), GetType());
}
break;
case TEXTURE_YCBCR:
result = new TextureClientShmemYCbCr(GetForwarder(), GetType());
break;
case TEXTURE_CONTENT:
// fall through to TEXTURE_SHMEM
case TEXTURE_SHMEM:
if (parentBackend == LAYERS_OPENGL) {
result = new TextureClientShmem(GetForwarder(), GetType());
}
break;
default:
MOZ_ASSERT(false, "Unhandled texture client type");
}
MOZ_ASSERT(result, "Failed to create TextureClient");
MOZ_ASSERT(result->SupportsType(aTextureClientType),
"Created the wrong texture client?");
result->SetFlags(aFlags);
TextureChild* textureChild = static_cast<TextureChild*>(
GetIPDLActor()->SendPTextureConstructor(result->GetTextureInfo()));
result->SetIPDLActor(textureChild);
textureChild->SetClient(result);
return result.forget();
}
} // namespace layers
} // namespace mozilla