Bug 719628 - Fix the formatting and naming of ThebesSurfaceKey. r=mattwoodrow

--HG--
extra : rebase_source : 371e80f924bc6f8dd3dbeea02999ebe8fdd7d27e
This commit is contained in:
Joe Drew 2012-01-27 13:08:58 -05:00
parent fcbcf9f7e7
commit efcc3eb0ef
4 changed files with 12 additions and 11 deletions

View File

@ -532,21 +532,22 @@ DataSourceSurfaceDestroy(void *dataSourceSurface)
static_cast<DataSourceSurface*>(dataSourceSurface)->Release(); static_cast<DataSourceSurface*>(dataSourceSurface)->Release();
} }
void DestroyThebesSurface(void *data) UserDataKey kThebesSurfaceKey;
void
DestroyThebesSurface(void *data)
{ {
gfxASurface *surface = static_cast<gfxASurface*>(data); gfxASurface *surface = static_cast<gfxASurface*>(data);
surface->Release(); surface->Release();
} }
UserDataKey ThebesSurfaceKey;
// The semantics of this function are sort of weird. We snapshot the first // The semantics of this function are sort of weird. We snapshot the first
// time and then return the snapshotted surface for the lifetime of the // time and then return the snapshotted surface for the lifetime of the
// draw target // draw target
already_AddRefed<gfxASurface> already_AddRefed<gfxASurface>
gfxPlatform::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget) gfxPlatform::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
{ {
void *surface = aTarget->GetUserData(&ThebesSurfaceKey); // If we have already created a thebes surface, we can just return it.
void *surface = aTarget->GetUserData(&kThebesSurfaceKey);
if (surface) { if (surface) {
nsRefPtr<gfxASurface> surf = static_cast<gfxASurface*>(surface); nsRefPtr<gfxASurface> surf = static_cast<gfxASurface*>(surface);
return surf.forget(); return surf.forget();
@ -571,7 +572,7 @@ gfxPlatform::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
// add a reference to be held by the drawTarget // add a reference to be held by the drawTarget
// careful, the reference graph is getting complicated here // careful, the reference graph is getting complicated here
surf->AddRef(); surf->AddRef();
aTarget->AddUserData(&ThebesSurfaceKey, surf.get(), DestroyThebesSurface); aTarget->AddUserData(&kThebesSurfaceKey, surf.get(), DestroyThebesSurface);
return surf.forget(); return surf.forget();
} }

View File

@ -71,7 +71,7 @@ class gfxTextRun;
class nsIURI; class nsIURI;
class nsIAtom; class nsIAtom;
extern mozilla::gfx::UserDataKey ThebesSurfaceKey; extern mozilla::gfx::UserDataKey kThebesSurfaceKey;
void DestroyThebesSurface(void *data); void DestroyThebesSurface(void *data);
extern cairo_user_data_key_t kDrawTarget; extern cairo_user_data_key_t kDrawTarget;

View File

@ -303,7 +303,7 @@ already_AddRefed<gfxASurface>
gfxPlatformMac::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget) gfxPlatformMac::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
{ {
if (aTarget->GetType() == BACKEND_COREGRAPHICS) { if (aTarget->GetType() == BACKEND_COREGRAPHICS) {
void *surface = aTarget->GetUserData(&ThebesSurfaceKey); void *surface = aTarget->GetUserData(&kThebesSurfaceKey);
if (surface) { if (surface) {
nsRefPtr<gfxASurface> surf = static_cast<gfxQuartzSurface*>(surface); nsRefPtr<gfxASurface> surf = static_cast<gfxQuartzSurface*>(surface);
return surf.forget(); return surf.forget();
@ -319,7 +319,7 @@ gfxPlatformMac::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
// add a reference to be held by the drawTarget // add a reference to be held by the drawTarget
surf->AddRef(); surf->AddRef();
aTarget->AddUserData(&ThebesSurfaceKey, surf.get(), DestroyThebesSurface); aTarget->AddUserData(&kThebesSurfaceKey, surf.get(), DestroyThebesSurface);
return surf.forget(); return surf.forget();
} }

View File

@ -507,7 +507,7 @@ gfxWindowsPlatform::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
{ {
#ifdef XP_WIN #ifdef XP_WIN
if (aTarget->GetType() == BACKEND_DIRECT2D) { if (aTarget->GetType() == BACKEND_DIRECT2D) {
void *surface = aTarget->GetUserData(&ThebesSurfaceKey); void *surface = aTarget->GetUserData(&kThebesSurfaceKey);
if (surface) { if (surface) {
nsRefPtr<gfxASurface> surf = static_cast<gfxASurface*>(surface); nsRefPtr<gfxASurface> surf = static_cast<gfxASurface*>(surface);
return surf.forget(); return surf.forget();
@ -526,7 +526,7 @@ gfxWindowsPlatform::GetThebesSurfaceForDrawTarget(DrawTarget *aTarget)
// add a reference to be held by the drawTarget // add a reference to be held by the drawTarget
surf->AddRef(); surf->AddRef();
aTarget->AddUserData(&ThebesSurfaceKey, surf.get(), DestroyThebesSurface); aTarget->AddUserData(&kThebesSurfaceKey, surf.get(), DestroyThebesSurface);
/* "It might be worth it to clear cairo surfaces associated with a drawtarget. /* "It might be worth it to clear cairo surfaces associated with a drawtarget.
The strong reference means for example for D2D that cairo's scratch surface The strong reference means for example for D2D that cairo's scratch surface
will be kept alive (well after a user being done) and consume extra VRAM. will be kept alive (well after a user being done) and consume extra VRAM.