gecko-dev/gfx/layers/client/CompositableClient.cpp
2014-02-19 20:00:50 +01:00

327 lines
9.9 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 <stdint.h> // for uint64_t, uint32_t
#include "gfxPlatform.h" // for gfxPlatform
#include "mozilla/layers/CompositableForwarder.h"
#include "mozilla/layers/TextureClient.h" // for DeprecatedTextureClient, etc
#include "mozilla/layers/TextureClientOGL.h"
#include "mozilla/mozalloc.h" // for operator delete, etc
#include "gfxASurface.h" // for gfxContentType
#ifdef XP_WIN
#include "mozilla/layers/TextureD3D9.h"
#include "mozilla/layers/TextureD3D11.h"
#include "gfxWindowsPlatform.h"
#include "gfx2DGlue.h"
#endif
#ifdef MOZ_X11
#include "mozilla/layers/TextureClientX11.h"
#ifdef GL_PROVIDER_GLX
#include "GLXLibrary.h"
#endif
#endif
#ifdef MOZ_WIDGET_GONK
#include <cutils/properties.h>
#include "mozilla/layers/GrallocTextureClient.h"
#endif
using namespace mozilla::gfx;
namespace mozilla {
namespace layers {
CompositableClient::CompositableClient(CompositableForwarder* aForwarder)
: mCompositableChild(nullptr)
, mForwarder(aForwarder)
{
MOZ_COUNT_CTOR(CompositableClient);
}
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->SetClient(nullptr);
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()
{
Send__delete__(this);
}
TemporaryRef<DeprecatedTextureClient>
CompositableClient::CreateDeprecatedTextureClient(DeprecatedTextureClientType aDeprecatedTextureClientType,
gfxContentType aContentType)
{
MOZ_ASSERT(GetForwarder(), "Can't create a texture client if the compositable is not connected to the compositor.");
LayersBackend parentBackend = GetForwarder()->GetCompositorBackendType();
RefPtr<DeprecatedTextureClient> result;
switch (aDeprecatedTextureClientType) {
case TEXTURE_SHARED_GL:
case TEXTURE_SHARED_GL_EXTERNAL:
case TEXTURE_STREAM_GL:
MOZ_CRASH("Unsupported. this should not be reached");
case TEXTURE_YCBCR:
if (parentBackend == LayersBackend::LAYERS_D3D9 ||
parentBackend == LayersBackend::LAYERS_D3D11 ||
parentBackend == LayersBackend::LAYERS_BASIC) {
result = new DeprecatedTextureClientShmemYCbCr(GetForwarder(), GetTextureInfo());
} else {
MOZ_CRASH("Unsupported. this should not be reached");
}
break;
case TEXTURE_CONTENT:
#ifdef XP_WIN
if (parentBackend == LayersBackend::LAYERS_D3D11 && gfxWindowsPlatform::GetPlatform()->GetD2DDevice()) {
result = new DeprecatedTextureClientD3D11(GetForwarder(), GetTextureInfo());
break;
}
if (parentBackend == LayersBackend::LAYERS_D3D9 &&
!GetForwarder()->ForwardsToDifferentProcess()) {
// We can't use a d3d9 texture for an RGBA surface because we cannot get a DC for
// for a gfxWindowsSurface.
// We have to wait for the compositor thread to create a d3d9 device before we
// can create d3d9 textures on the main thread (because we need to reset on the
// compositor thread, and the d3d9 device must be reset on the same thread it was
// created on).
if (aContentType == gfxContentType::COLOR_ALPHA ||
!gfxWindowsPlatform::GetPlatform()->GetD3D9Device()) {
result = new DeprecatedTextureClientDIB(GetForwarder(), GetTextureInfo());
} else {
result = new DeprecatedTextureClientD3D9(GetForwarder(), GetTextureInfo());
}
break;
}
#endif
// fall through to TEXTURE_SHMEM
case TEXTURE_SHMEM:
result = new DeprecatedTextureClientShmem(GetForwarder(), GetTextureInfo());
break;
case TEXTURE_FALLBACK:
#ifdef XP_WIN
if (parentBackend == LayersBackend::LAYERS_D3D11 ||
parentBackend == LayersBackend::LAYERS_D3D9) {
result = new DeprecatedTextureClientShmem(GetForwarder(), GetTextureInfo());
}
#endif
break;
default:
MOZ_ASSERT(false, "Unhandled texture client type");
}
// If we couldn't create an appropriate texture client,
// then return nullptr so the caller can chose another
// type.
if (!result) {
return nullptr;
}
MOZ_ASSERT(result->SupportsType(aDeprecatedTextureClientType),
"Created the wrong texture client?");
result->SetFlags(GetTextureInfo().mTextureFlags);
return result.forget();
}
TemporaryRef<BufferTextureClient>
CompositableClient::CreateBufferTextureClient(SurfaceFormat aFormat,
TextureFlags aTextureFlags,
gfx::BackendType aMoz2DBackend)
{
// XXX - Once bug 908196 is fixed, we can use gralloc textures here which will
// improve performances of videos using SharedPlanarYCbCrImage on b2g.
//#ifdef MOZ_WIDGET_GONK
// {
// RefPtr<BufferTextureClient> result = new GrallocTextureClientOGL(this,
// aFormat,
// aTextureFlags);
// return result.forget();
// }
//#endif
if (gfxPlatform::GetPlatform()->PreferMemoryOverShmem()) {
RefPtr<BufferTextureClient> result = new MemoryTextureClient(this, aFormat,
aMoz2DBackend,
aTextureFlags);
return result.forget();
}
RefPtr<BufferTextureClient> result = new ShmemTextureClient(this, aFormat,
aMoz2DBackend,
aTextureFlags);
return result.forget();
}
#ifdef MOZ_WIDGET_GONK
static bool
DisableGralloc(SurfaceFormat aFormat)
{
if (aFormat == gfx::SurfaceFormat::A8) {
return true;
}
#if ANDROID_VERSION <= 15
static bool checkedDevice = false;
static bool disableGralloc = false;
if (!checkedDevice) {
char propValue[PROPERTY_VALUE_MAX];
property_get("ro.product.device", propValue, "None");
if (strcmp("crespo",propValue) == 0) {
NS_WARNING("Nexus S has issues with gralloc, falling back to shmem");
disableGralloc = true;
}
checkedDevice = true;
}
if (disableGralloc) {
return true;
}
return false;
#else
return false;
#endif
}
#endif
TemporaryRef<TextureClient>
CompositableClient::CreateTextureClientForDrawing(SurfaceFormat aFormat,
TextureFlags aTextureFlags,
gfx::BackendType aMoz2DBackend)
{
if (aMoz2DBackend == gfx::BackendType::NONE) {
aMoz2DBackend = gfxPlatform::GetPlatform()->GetContentBackend();
}
RefPtr<TextureClient> result;
#ifdef XP_WIN
LayersBackend parentBackend = GetForwarder()->GetCompositorBackendType();
if (parentBackend == LayersBackend::LAYERS_D3D11 &&
(aMoz2DBackend == gfx::BackendType::DIRECT2D ||
aMoz2DBackend == gfx::BackendType::DIRECT2D1_1) &&
gfxWindowsPlatform::GetPlatform()->GetD2DDevice() &&
!(aTextureFlags & TEXTURE_ALLOC_FALLBACK)) {
result = new TextureClientD3D11(aFormat, aTextureFlags);
}
if (parentBackend == LayersBackend::LAYERS_D3D9 &&
aMoz2DBackend == gfx::BackendType::CAIRO &&
!GetForwarder()->ForwardsToDifferentProcess() &&
!(aTextureFlags & TEXTURE_ALLOC_FALLBACK)) {
if (!gfxWindowsPlatform::GetPlatform()->GetD3D9Device()) {
result = new DIBTextureClientD3D9(aFormat, aTextureFlags);
} else {
result = new CairoTextureClientD3D9(aFormat, aTextureFlags);
}
}
#endif
#ifdef MOZ_X11
LayersBackend parentBackend = GetForwarder()->GetCompositorBackendType();
gfxSurfaceType type =
gfxPlatform::GetPlatform()->ScreenReferenceSurface()->GetType();
if (parentBackend == LayersBackend::LAYERS_BASIC &&
aMoz2DBackend == gfx::BackendType::CAIRO &&
type == gfxSurfaceType::Xlib &&
!(aTextureFlags & TEXTURE_ALLOC_FALLBACK))
{
result = new TextureClientX11(aFormat, aTextureFlags);
}
#ifdef GL_PROVIDER_GLX
if (parentBackend == LayersBackend::LAYERS_OPENGL &&
aMoz2DBackend == gfx::BackendType::CAIRO &&
type == gfxSurfaceType::Xlib &&
!(aTextureFlags & TEXTURE_ALLOC_FALLBACK) &&
aFormat != SurfaceFormat::A8 &&
gl::sGLXLibrary.UseTextureFromPixmap())
{
result = new TextureClientX11(aFormat, aTextureFlags);
}
#endif
#endif
#ifdef MOZ_WIDGET_GONK
if (!DisableGralloc(aFormat)) {
result = new GrallocTextureClientOGL(this, aFormat, aMoz2DBackend,
aTextureFlags);
}
#endif
// Can't do any better than a buffer texture client.
if (!result) {
result = CreateBufferTextureClient(aFormat, aTextureFlags, aMoz2DBackend);
}
MOZ_ASSERT(!result || result->AsTextureClientDrawTarget(),
"Not a TextureClientDrawTarget?");
return result;
}
bool
CompositableClient::AddTextureClient(TextureClient* aClient)
{
return aClient->InitIPDLActor(mForwarder);
}
void
CompositableClient::OnTransaction()
{
}
} // namespace layers
} // namespace mozilla