Bug 610155 - Use SurfaceDescriptor for ImageLayer and CanvasLayer r=jones.chris.g

This commit is contained in:
Oleg Romashin 2011-04-20 14:45:57 -07:00
Родитель 1dc65abc0d
Коммит d2f1f3108d
9 изменённых файлов: 162 добавлений и 169 удалений

Просмотреть файл

@ -56,6 +56,9 @@
#include "ThebesLayerBuffer.h"
#include "nsIWidget.h"
#include "ReadbackProcessor.h"
#ifdef MOZ_X11
#include "gfxXlibSurface.h"
#endif
#include "GLContext.h"
@ -1624,12 +1627,6 @@ public:
mShadow = aShadow;
}
virtual void SetBackBufferImage(gfxSharedImageSurface* aBuffer)
{
NS_RUNTIMEABORT("if this default impl is called, |aBuffer| leaks");
}
virtual PRBool SupportsSurfaceDescriptor() const { return PR_FALSE; }
virtual void SetBackBuffer(const SurfaceDescriptor& aBuffer)
{
NS_RUNTIMEABORT("if this default impl is called, |aBuffer| leaks");
@ -1735,12 +1732,6 @@ BasicShadowableContainerLayer::RemoveChild(Layer* aChild)
BasicContainerLayer::RemoveChild(aChild);
}
static PRBool
IsSurfaceDescriptorValid(const SurfaceDescriptor& aSurface)
{
return SurfaceDescriptor::T__None != aSurface.type();
}
class BasicShadowableThebesLayer : public BasicThebesLayer,
public BasicShadowableLayer
{
@ -1770,8 +1761,6 @@ public:
virtual ShadowableLayer* AsShadowableLayer() { return this; }
virtual bool MustRetainContent() { return HasShadow(); }
virtual PRBool SupportsSurfaceDescriptor() const { return PR_TRUE; }
void SetBackBufferAndAttrs(const ThebesBuffer& aBuffer,
const nsIntRegion& aValidRegion,
float aXResolution, float aYResolution,
@ -1955,8 +1944,8 @@ public:
}
virtual ~BasicShadowableImageLayer()
{
if (mBackSurface) {
BasicManager()->ShadowLayerForwarder::DestroySharedSurface(mBackSurface);
if (IsSurfaceDescriptorValid(mBackBuffer)) {
BasicManager()->ShadowLayerForwarder::DestroySharedSurface(&mBackBuffer);
}
MOZ_COUNT_DTOR(BasicShadowableImageLayer);
}
@ -1971,14 +1960,14 @@ public:
virtual Layer* AsLayer() { return this; }
virtual ShadowableLayer* AsShadowableLayer() { return this; }
virtual void SetBackBufferImage(gfxSharedImageSurface* aBuffer)
virtual void SetBackBuffer(const SurfaceDescriptor& aBuffer)
{
mBackSurface = aBuffer;
mBackBuffer = aBuffer;
}
virtual void Disconnect()
{
mBackSurface = nsnull;
mBackBuffer = SurfaceDescriptor();
BasicShadowableLayer::Disconnect();
}
@ -1988,7 +1977,7 @@ private:
return static_cast<BasicShadowLayerManager*>(mManager);
}
nsRefPtr<gfxSharedImageSurface> mBackSurface;
SurfaceDescriptor mBackBuffer;
};
void
@ -2000,20 +1989,18 @@ BasicShadowableImageLayer::Paint(gfxContext* aContext)
return;
if (oldSize != mSize) {
if (mBackSurface) {
BasicManager()->ShadowLayerForwarder::DestroySharedSurface(mBackSurface);
mBackSurface = nsnull;
if (IsSurfaceDescriptorValid(mBackBuffer)) {
BasicManager()->DestroyedImageBuffer(BasicManager()->Hold(this));
BasicManager()->ShadowLayerForwarder::DestroySharedSurface(&mBackBuffer);
}
nsRefPtr<gfxSharedImageSurface> tmpFrontSurface;
SurfaceDescriptor tmpFrontSurface;
// XXX error handling?
if (!BasicManager()->AllocDoubleBuffer(
mSize,
(GetContentFlags() & CONTENT_OPAQUE) ?
gfxASurface::CONTENT_COLOR : gfxASurface::CONTENT_COLOR_ALPHA,
getter_AddRefs(tmpFrontSurface), getter_AddRefs(mBackSurface)))
&tmpFrontSurface, &mBackBuffer))
NS_RUNTIMEABORT("creating ImageLayer 'front buffer' failed!");
BasicManager()->CreatedImageBuffer(BasicManager()->Hold(this),
@ -2021,13 +2008,15 @@ BasicShadowableImageLayer::Paint(gfxContext* aContext)
tmpFrontSurface);
}
nsRefPtr<gfxContext> tmpCtx = new gfxContext(mBackSurface);
nsRefPtr<gfxASurface> backSurface =
BasicManager()->OpenDescriptor(mBackBuffer);
nsRefPtr<gfxContext> tmpCtx = new gfxContext(backSurface);
PaintContext(pat,
nsIntRegion(nsIntRect(0, 0, mSize.width, mSize.height)),
nsnull, 1.0, tmpCtx);
BasicManager()->PaintedImage(BasicManager()->Hold(this),
mBackSurface);
mBackBuffer);
}
@ -2070,8 +2059,8 @@ public:
}
virtual ~BasicShadowableCanvasLayer()
{
if (mBackBuffer) {
BasicManager()->ShadowLayerForwarder::DestroySharedSurface(mBackBuffer);
if (IsSurfaceDescriptorValid(mBackBuffer)) {
BasicManager()->ShadowLayerForwarder::DestroySharedSurface(&mBackBuffer);
}
MOZ_COUNT_DTOR(BasicShadowableCanvasLayer);
}
@ -2087,14 +2076,14 @@ public:
virtual Layer* AsLayer() { return this; }
virtual ShadowableLayer* AsShadowableLayer() { return this; }
virtual void SetBackBufferImage(gfxSharedImageSurface* aBuffer)
virtual void SetBackBuffer(const SurfaceDescriptor& aBuffer)
{
mBackBuffer = aBuffer;
}
virtual void Disconnect()
{
mBackBuffer = nsnull;
mBackBuffer = SurfaceDescriptor();
BasicShadowableLayer::Disconnect();
}
@ -2104,7 +2093,7 @@ private:
return static_cast<BasicShadowLayerManager*>(mManager);
}
nsRefPtr<gfxSharedImageSurface> mBackBuffer;
SurfaceDescriptor mBackBuffer;
};
void
@ -2116,20 +2105,20 @@ BasicShadowableCanvasLayer::Initialize(const Data& aData)
// XXX won't get here currently; need to figure out what to do on
// canvas resizes
if (mBackBuffer) {
BasicManager()->ShadowLayerForwarder::DestroySharedSurface(mBackBuffer);
mBackBuffer = nsnull;
if (IsSurfaceDescriptorValid(mBackBuffer)) {
BasicManager()->ShadowLayerForwarder::DestroySharedSurface(&mBackBuffer);
BasicManager()->DestroyedCanvasBuffer(BasicManager()->Hold(this));
}
nsRefPtr<gfxSharedImageSurface> tmpFrontBuffer;
SurfaceDescriptor tmpFrontBuffer;
// XXX error handling?
if (!BasicManager()->AllocDoubleBuffer(
gfxIntSize(aData.mSize.width, aData.mSize.height),
(GetContentFlags() & CONTENT_OPAQUE) ?
gfxASurface::CONTENT_COLOR : gfxASurface::CONTENT_COLOR_ALPHA,
getter_AddRefs(tmpFrontBuffer), getter_AddRefs(mBackBuffer)))
&tmpFrontBuffer, &mBackBuffer))
NS_RUNTIMEABORT("creating CanvasLayer back buffer failed!");
BasicManager()->CreatedCanvasBuffer(BasicManager()->Hold(this),
@ -2149,7 +2138,9 @@ BasicShadowableCanvasLayer::Paint(gfxContext* aContext)
// changed areas, much like we do for Thebes layers, as well as
// do all sorts of magic to swap out the surface underneath the
// canvas' thebes/cairo context.
nsRefPtr<gfxContext> tmpCtx = new gfxContext(mBackBuffer);
nsRefPtr<gfxASurface> backSurface =
BasicManager()->OpenDescriptor(mBackBuffer);
nsRefPtr<gfxContext> tmpCtx = new gfxContext(backSurface);
tmpCtx->SetOperator(gfxContext::OPERATOR_SOURCE);
// call BasicCanvasLayer::Paint to draw to our tmp context, because
@ -2442,17 +2433,15 @@ public:
ShadowImageLayer::Disconnect();
}
virtual PRBool Init(gfxSharedImageSurface* front, const nsIntSize& size);
virtual PRBool Init(const SurfaceDescriptor& front, const nsIntSize& size);
virtual already_AddRefed<gfxSharedImageSurface>
Swap(gfxSharedImageSurface* newFront);
virtual void Swap(const SurfaceDescriptor& aNewFront, SurfaceDescriptor* aNewBack);
virtual void DestroyFrontBuffer()
{
if (mFrontSurface) {
BasicManager()->ShadowLayerManager::DestroySharedSurface(mFrontSurface, mAllocator);
if (IsSurfaceDescriptorValid(mFrontBuffer)) {
BasicManager()->ShadowLayerManager::DestroySharedSurface(&mFrontBuffer, mAllocator);
}
mFrontSurface = nsnull;
}
virtual void Paint(gfxContext* aContext);
@ -2463,36 +2452,36 @@ protected:
return static_cast<BasicShadowLayerManager*>(mManager);
}
// XXX ShmemImage?
nsRefPtr<gfxSharedImageSurface> mFrontSurface;
SurfaceDescriptor mFrontBuffer;
gfxIntSize mSize;
};
PRBool
BasicShadowImageLayer::Init(gfxSharedImageSurface* front,
BasicShadowImageLayer::Init(const SurfaceDescriptor& front,
const nsIntSize& size)
{
mFrontSurface = front;
mFrontBuffer = front;
mSize = gfxIntSize(size.width, size.height);
return PR_TRUE;
}
already_AddRefed<gfxSharedImageSurface>
BasicShadowImageLayer::Swap(gfxSharedImageSurface* newFront)
void
BasicShadowImageLayer::Swap(const SurfaceDescriptor& aNewFront, SurfaceDescriptor* aNewBack)
{
already_AddRefed<gfxSharedImageSurface> tmp = mFrontSurface.forget();
mFrontSurface = newFront;
return tmp;
*aNewBack = mFrontBuffer;
mFrontBuffer = aNewFront;
}
void
BasicShadowImageLayer::Paint(gfxContext* aContext)
{
if (!mFrontSurface) {
if (!IsSurfaceDescriptorValid(mFrontBuffer)) {
return;
}
nsRefPtr<gfxPattern> pat = new gfxPattern(mFrontSurface);
nsRefPtr<gfxASurface> surface =
BasicManager()->OpenDescriptor(mFrontBuffer);
nsRefPtr<gfxPattern> pat = new gfxPattern(surface);
pat->SetFilter(mFilter);
// The visible region can extend outside the image. If we're not
@ -2546,16 +2535,15 @@ public:
}
virtual void Initialize(const Data& aData);
virtual void Init(const SurfaceDescriptor& aNewFront, const nsIntSize& aSize);
virtual already_AddRefed<gfxSharedImageSurface>
Swap(gfxSharedImageSurface* newFront);
void Swap(const SurfaceDescriptor& aNewFront, SurfaceDescriptor* aNewBack);
virtual void DestroyFrontBuffer()
{
if (mFrontSurface) {
BasicManager()->ShadowLayerManager::DestroySharedSurface(mFrontSurface, mAllocator);
if (IsSurfaceDescriptorValid(mFrontSurface)) {
BasicManager()->ShadowLayerManager::DestroySharedSurface(&mFrontSurface, mAllocator);
}
mFrontSurface = nsnull;
}
virtual void Paint(gfxContext* aContext);
@ -2566,27 +2554,28 @@ private:
return static_cast<BasicShadowLayerManager*>(mManager);
}
nsRefPtr<gfxSharedImageSurface> mFrontSurface;
SurfaceDescriptor mFrontSurface;
};
void
BasicShadowCanvasLayer::Initialize(const Data& aData)
{
NS_ASSERTION(mFrontSurface == nsnull,
"BasicCanvasLayer::Initialize called twice!");
NS_ASSERTION(aData.mSurface && !aData.mGLContext, "no comprende OpenGL!");
mFrontSurface = static_cast<gfxSharedImageSurface*>(aData.mSurface);
mBounds.SetRect(0, 0, aData.mSize.width, aData.mSize.height);
NS_RUNTIMEABORT("Incompatibe surface type");
}
already_AddRefed<gfxSharedImageSurface>
BasicShadowCanvasLayer::Swap(gfxSharedImageSurface* newFront)
void
BasicShadowCanvasLayer::Init(const SurfaceDescriptor& aNewFront, const nsIntSize& aSize)
{
already_AddRefed<gfxSharedImageSurface> tmp = mFrontSurface.forget();
mFrontSurface = newFront;
return tmp;
mFrontSurface = aNewFront;
mBounds.SetRect(0, 0, aSize.width, aSize.height);
}
void
BasicShadowCanvasLayer::Swap(const SurfaceDescriptor& aNewFront, SurfaceDescriptor* aNewBack)
{
*aNewBack = mFrontSurface;
mFrontSurface = aNewFront;
}
void
@ -2595,11 +2584,13 @@ BasicShadowCanvasLayer::Paint(gfxContext* aContext)
NS_ASSERTION(BasicManager()->InDrawing(),
"Can only draw in drawing phase");
if (!mFrontSurface) {
if (!IsSurfaceDescriptorValid(mFrontSurface)) {
return;
}
nsRefPtr<gfxPattern> pat = new gfxPattern(mFrontSurface);
nsRefPtr<gfxASurface> surface =
BasicManager()->OpenDescriptor(mFrontSurface);
nsRefPtr<gfxPattern> pat = new gfxPattern(surface);
pat->SetFilter(mFilter);
pat->SetExtend(gfxPattern::EXTEND_PAD);
@ -2830,17 +2821,7 @@ BasicShadowLayerManager::ForwardTransaction()
const OpBufferSwap& obs = reply.get_OpBufferSwap();
const SurfaceDescriptor& descr = obs.newBackBuffer();
BasicShadowableLayer* layer = GetBasicShadowable(obs);
if (layer->SupportsSurfaceDescriptor()) {
layer->SetBackBuffer(descr);
} else {
if (SurfaceDescriptor::TShmem != descr.type()) {
NS_RUNTIMEABORT("non-Shmem surface sent to a layer that expected one!");
}
nsRefPtr<gfxASurface> imageSurf = OpenDescriptor(descr);
layer->SetBackBufferImage(
static_cast<gfxSharedImageSurface*>(imageSurf.get()));
}
GetBasicShadowable(obs)->SetBackBuffer(descr);
break;
}

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@ -102,14 +102,14 @@ struct OpDestroyThebesFrontBuffer { PLayer layer; };
struct OpCreateCanvasBuffer {
PLayer layer;
nsIntSize size;
Shmem initialFront;
SurfaceDescriptor initialFront;
};
struct OpDestroyCanvasFrontBuffer { PLayer layer; };
struct OpCreateImageBuffer {
PLayer layer;
nsIntSize size;
Shmem initialFront;
SurfaceDescriptor initialFront;
};
struct OpDestroyImageFrontBuffer { PLayer layer; };
@ -173,12 +173,12 @@ struct OpPaintThebesBuffer {
struct OpPaintCanvas {
PLayer layer;
Shmem newFrontBuffer;
SurfaceDescriptor newFrontBuffer;
};
struct OpPaintImage {
PLayer layer;
Shmem newFrontBuffer;
SurfaceDescriptor newFrontBuffer;
};

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@ -192,7 +192,7 @@ ShadowLayerForwarder::CreatedThebesBuffer(ShadowableLayer* aThebes,
const SurfaceDescriptor& aTempFrontBuffer)
{
OptionalThebesBuffer buffer = null_t();
if (SurfaceDescriptor::T__None != aTempFrontBuffer.type()) {
if (IsSurfaceDescriptorValid(aTempFrontBuffer)) {
buffer = ThebesBuffer(aTempFrontBuffer,
aBufferRect,
nsIntPoint(0, 0));
@ -207,21 +207,21 @@ ShadowLayerForwarder::CreatedThebesBuffer(ShadowableLayer* aThebes,
void
ShadowLayerForwarder::CreatedImageBuffer(ShadowableLayer* aImage,
nsIntSize aSize,
gfxSharedImageSurface* aTempFrontSurface)
const SurfaceDescriptor& aTempFrontSurface)
{
mTxn->AddEdit(OpCreateImageBuffer(NULL, Shadow(aImage),
aSize,
aTempFrontSurface->GetShmem()));
aTempFrontSurface));
}
void
ShadowLayerForwarder::CreatedCanvasBuffer(ShadowableLayer* aCanvas,
nsIntSize aSize,
gfxSharedImageSurface* aTempFrontSurface)
const SurfaceDescriptor& aTempFrontSurface)
{
mTxn->AddEdit(OpCreateCanvasBuffer(NULL, Shadow(aCanvas),
aSize,
aTempFrontSurface->GetShmem()));
aTempFrontSurface));
}
void
@ -291,17 +291,17 @@ ShadowLayerForwarder::PaintedThebesBuffer(ShadowableLayer* aThebes,
}
void
ShadowLayerForwarder::PaintedImage(ShadowableLayer* aImage,
gfxSharedImageSurface* aNewFrontSurface)
const SurfaceDescriptor& aNewFrontSurface)
{
mTxn->AddPaint(OpPaintImage(NULL, Shadow(aImage),
aNewFrontSurface->GetShmem()));
aNewFrontSurface));
}
void
ShadowLayerForwarder::PaintedCanvas(ShadowableLayer* aCanvas,
gfxSharedImageSurface* aNewFrontSurface)
const SurfaceDescriptor& aNewFrontSurface)
{
mTxn->AddPaint(OpPaintCanvas(NULL, Shadow(aCanvas),
aNewFrontSurface->GetShmem()));
aNewFrontSurface));
}
PRBool
@ -636,5 +636,11 @@ ShadowLayerManager::PlatformSyncBeforeReplyUpdate()
#endif // !defined(MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS)
PRBool
IsSurfaceDescriptorValid(const SurfaceDescriptor& aSurface)
{
return SurfaceDescriptor::T__None != aSurface.type();
}
} // namespace layers
} // namespace mozilla

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@ -165,10 +165,10 @@ public:
*/
void CreatedImageBuffer(ShadowableLayer* aImage,
nsIntSize aSize,
gfxSharedImageSurface* aInitialFrontSurface);
const SurfaceDescriptor& aInitialFrontSurface);
void CreatedCanvasBuffer(ShadowableLayer* aCanvas,
nsIntSize aSize,
gfxSharedImageSurface* aInitialFrontSurface);
const SurfaceDescriptor& aInitialFrontSurface);
/**
* The specified layer is destroying its buffers.
@ -225,9 +225,9 @@ public:
* ImageLayers. This is slow, and will be optimized.
*/
void PaintedImage(ShadowableLayer* aImage,
gfxSharedImageSurface* aNewFrontSurface);
const SurfaceDescriptor& aNewFrontSurface);
void PaintedCanvas(ShadowableLayer* aCanvas,
gfxSharedImageSurface* aNewFrontSurface);
const SurfaceDescriptor& aNewFrontSurface);
/**
* End the current transaction and forward it to ShadowLayerManager.
@ -569,6 +569,17 @@ class ShadowCanvasLayer : public ShadowLayer,
public CanvasLayer
{
public:
/**
* CONSTRUCTION PHASE ONLY
*
* Initialize this with a (temporary) front surface with the given
* size. This is expected to be followed with a Swap() in the same
* transaction to bring in real pixels. Init() may only be called
* once.
*/
virtual void Init(const SurfaceDescriptor& front, const nsIntSize& aSize) = 0;
/**
* CONSTRUCTION PHASE ONLY
*
@ -576,8 +587,7 @@ public:
* out the old front surface (the new back surface for the remote
* layer).
*/
virtual already_AddRefed<gfxSharedImageSurface>
Swap(gfxSharedImageSurface* aNewFront) = 0;
virtual void Swap(const SurfaceDescriptor& aNewFront, SurfaceDescriptor* aNewBack) = 0;
/**
* CONSTRUCTION PHASE ONLY
@ -609,14 +619,13 @@ public:
* transaction to bring in real pixels. Init() may only be called
* once.
*/
virtual PRBool Init(gfxSharedImageSurface* aFront, const nsIntSize& aSize) = 0;
virtual PRBool Init(const SurfaceDescriptor& front, const nsIntSize& aSize) = 0;
/**
* CONSTRUCTION PHASE ONLY
* @see ShadowCanvasLayer::Swap
*/
virtual already_AddRefed<gfxSharedImageSurface>
Swap(gfxSharedImageSurface* newFront) = 0;
virtual void Swap(const SurfaceDescriptor& aFront, SurfaceDescriptor* aNewBack) = 0;
/**
* CONSTRUCTION PHASE ONLY
@ -650,6 +659,7 @@ protected:
{}
};
PRBool IsSurfaceDescriptorValid(const SurfaceDescriptor& aSurface);
} // namespace layers
} // namespace mozilla

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@ -222,13 +222,8 @@ ShadowLayersParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
const OpCreateCanvasBuffer& ocb = edit.get_OpCreateCanvasBuffer();
ShadowCanvasLayer* canvas = static_cast<ShadowCanvasLayer*>(
AsShadowLayer(ocb)->AsLayer());
nsRefPtr<gfxSharedImageSurface> front =
gfxSharedImageSurface::Open(ocb.initialFront());
CanvasLayer::Data data;
data.mSurface = front;
data.mSize = ocb.size();
canvas->Initialize(data);
canvas->Init(ocb.initialFront(), ocb.size());
break;
}
@ -239,9 +234,7 @@ ShadowLayersParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
ShadowImageLayer* image = static_cast<ShadowImageLayer*>(
AsShadowLayer(ocb)->AsLayer());
nsRefPtr<gfxSharedImageSurface> surf =
gfxSharedImageSurface::Open(ocb.initialFront());
image->Init(surf, ocb.size());
image->Init(ocb.initialFront(), ocb.size());
break;
}
@ -416,17 +409,17 @@ ShadowLayersParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
ShadowCanvasLayer* canvas =
static_cast<ShadowCanvasLayer*>(shadow->AsLayer());
nsRefPtr<gfxSharedImageSurface> newFront =
gfxSharedImageSurface::Open(op.newFrontBuffer());
nsRefPtr<gfxSharedImageSurface> newBack = canvas->Swap(newFront);
SurfaceDescriptor newFront = op.newFrontBuffer();
SurfaceDescriptor newBack;
canvas->Swap(op.newFrontBuffer(), &newBack);
if (newFront == newBack) {
newFront.forget();
newFront = SurfaceDescriptor();
}
canvas->Updated();
replyv.push_back(OpBufferSwap(shadow, NULL,
newBack->GetShmem()));
newBack));
break;
}
@ -438,15 +431,15 @@ ShadowLayersParent::RecvUpdate(const InfallibleTArray<Edit>& cset,
ShadowImageLayer* image =
static_cast<ShadowImageLayer*>(shadow->AsLayer());
nsRefPtr<gfxSharedImageSurface> newFront =
gfxSharedImageSurface::Open(op.newFrontBuffer());
nsRefPtr<gfxSharedImageSurface> newBack = image->Swap(newFront);
SurfaceDescriptor newFront = op.newFrontBuffer();
SurfaceDescriptor newBack;
image->Swap(op.newFrontBuffer(), &newBack);
if (newFront == newBack) {
newFront.forget();
newFront = SurfaceDescriptor();
}
replyv.push_back(OpBufferSwap(shadow, NULL,
newBack->GetShmem()));
newBack));
break;
}

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@ -52,6 +52,10 @@
#include <OpenGL/OpenGL.h>
#endif
#ifdef MOZ_X11
#include "gfxXlibSurface.h"
#endif
using namespace mozilla;
using namespace mozilla::layers;
using namespace mozilla::gl;
@ -293,34 +297,40 @@ ShadowCanvasLayerOGL::~ShadowCanvasLayerOGL()
void
ShadowCanvasLayerOGL::Initialize(const Data& aData)
{
mDeadweight = static_cast<gfxSharedImageSurface*>(aData.mSurface);
gfxSize sz = mDeadweight->GetSize();
mTexImage = gl()->CreateTextureImage(nsIntSize(sz.width, sz.height),
mDeadweight->GetContentType(),
NS_RUNTIMEABORT("Incompatibe surface type");
}
void
ShadowCanvasLayerOGL::Init(const SurfaceDescriptor& aNewFront, const nsIntSize& aSize)
{
mDeadweight = aNewFront;
nsRefPtr<gfxASurface> surf = ShadowLayerForwarder::OpenDescriptor(mDeadweight);
mTexImage = gl()->CreateTextureImage(nsIntSize(aSize.width, aSize.height),
surf->GetContentType(),
LOCAL_GL_CLAMP_TO_EDGE);
}
already_AddRefed<gfxSharedImageSurface>
ShadowCanvasLayerOGL::Swap(gfxSharedImageSurface* aNewFront)
void
ShadowCanvasLayerOGL::Swap(const SurfaceDescriptor& aNewFront,
SurfaceDescriptor* aNewBack)
{
if (!mDestroyed && mTexImage) {
// XXX this is always just ridiculously slow
gfxSize sz = aNewFront->GetSize();
nsRefPtr<gfxASurface> surf = ShadowLayerForwarder::OpenDescriptor(aNewFront);
gfxSize sz = surf->GetSize();
nsIntRegion updateRegion(nsIntRect(0, 0, sz.width, sz.height));
mTexImage->DirectUpdate(aNewFront, updateRegion);
mTexImage->DirectUpdate(surf, updateRegion);
}
return aNewFront;
*aNewBack = aNewFront;
}
void
ShadowCanvasLayerOGL::DestroyFrontBuffer()
{
mTexImage = nsnull;
if (mDeadweight) {
mOGLManager->DestroySharedSurface(mDeadweight, mAllocator);
mDeadweight = nsnull;
if (IsSurfaceDescriptorValid(mDeadweight)) {
mOGLManager->DestroySharedSurface(&mDeadweight, mAllocator);
}
}

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@ -110,12 +110,14 @@ public:
// CanvasLayer impl
virtual void Initialize(const Data& aData);
virtual void Init(const SurfaceDescriptor& aNewFront, const nsIntSize& aSize);
// This isn't meaningful for shadow canvas.
virtual void Updated(const nsIntRect&) {}
// ShadowCanvasLayer impl
virtual already_AddRefed<gfxSharedImageSurface>
Swap(gfxSharedImageSurface* aNewFront);
virtual void Swap(const SurfaceDescriptor& aNewFront,
SurfaceDescriptor* aNewBack);
virtual void DestroyFrontBuffer();
@ -130,11 +132,7 @@ public:
private:
nsRefPtr<TextureImage> mTexImage;
// XXX FIXME holding to free
nsRefPtr<gfxSharedImageSurface> mDeadweight;
SurfaceDescriptor mDeadweight;
};
} /* layers */

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@ -790,38 +790,38 @@ ShadowImageLayerOGL::~ShadowImageLayerOGL()
{}
PRBool
ShadowImageLayerOGL::Init(gfxSharedImageSurface* aFront,
ShadowImageLayerOGL::Init(const SurfaceDescriptor& aFront,
const nsIntSize& aSize)
{
mDeadweight = aFront;
gfxSize sz = mDeadweight->GetSize();
nsRefPtr<gfxASurface> surf = ShadowLayerForwarder::OpenDescriptor(aFront);
gfxSize sz = surf->GetSize();
mTexImage = gl()->CreateTextureImage(nsIntSize(sz.width, sz.height),
mDeadweight->GetContentType(),
surf->GetContentType(),
LOCAL_GL_CLAMP_TO_EDGE);
return PR_TRUE;
}
already_AddRefed<gfxSharedImageSurface>
ShadowImageLayerOGL::Swap(gfxSharedImageSurface* aNewFront)
void
ShadowImageLayerOGL::Swap(const SurfaceDescriptor& aNewFront, SurfaceDescriptor* aNewBack)
{
if (!mDestroyed && mTexImage) {
nsRefPtr<gfxASurface> surf = ShadowLayerForwarder::OpenDescriptor(aNewFront);
// XXX this is always just ridiculously slow
gfxSize sz = aNewFront->GetSize();
gfxSize sz = surf->GetSize();
nsIntRegion updateRegion(nsIntRect(0, 0, sz.width, sz.height));
mTexImage->DirectUpdate(aNewFront, updateRegion);
mTexImage->DirectUpdate(surf, updateRegion);
}
return aNewFront;
*aNewBack = aNewFront;
}
void
ShadowImageLayerOGL::DestroyFrontBuffer()
{
mTexImage = nsnull;
if (mDeadweight) {
mOGLManager->DestroySharedSurface(mDeadweight, mAllocator);
mDeadweight = nsnull;
if (IsSurfaceDescriptorValid(mDeadweight)) {
mOGLManager->DestroySharedSurface(&mDeadweight, mAllocator);
}
}

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@ -245,10 +245,9 @@ public:
virtual ~ShadowImageLayerOGL();
// ShadowImageLayer impl
virtual PRBool Init(gfxSharedImageSurface* aFront, const nsIntSize& aSize);
virtual PRBool Init(const SurfaceDescriptor& aFront, const nsIntSize& aSize);
virtual already_AddRefed<gfxSharedImageSurface>
Swap(gfxSharedImageSurface* aNewFront);
virtual void Swap(const SurfaceDescriptor& aFront, SurfaceDescriptor* aNewBack);
virtual void DestroyFrontBuffer();
@ -265,11 +264,7 @@ public:
private:
nsRefPtr<TextureImage> mTexImage;
// XXX FIXME holding to free
nsRefPtr<gfxSharedImageSurface> mDeadweight;
SurfaceDescriptor mDeadweight;
};
} /* layers */