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mesa: rework _mesa_reference_framebuffer() to look like _mesa_reference_renderbuffer()

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_mesa_unreference_framebuffer() is deprecated since _mesa_reference_framebuffer(ptr, NULL)
can be used instead.
This commit is contained in:
Brian Paul 2009-02-09 07:55:08 -07:00
parent 5199774dc6
commit 4900269819
1 changed files with 24 additions and 21 deletions
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45
src/mesa/main/framebuffer.c
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@ -223,19 +223,36 @@ _mesa_reference_framebuffer(struct gl_framebuffer **ptr,
/* no change */
return;
}
if (*ptr) {
_mesa_unreference_framebuffer(ptr);
/* unreference old renderbuffer */
GLboolean deleteFlag = GL_FALSE;
struct gl_framebuffer *oldFb = *ptr;
_glthread_LOCK_MUTEX(oldFb->Mutex);
ASSERT(oldFb->RefCount > 0);
oldFb->RefCount--;
deleteFlag = (oldFb->RefCount == 0);
_glthread_UNLOCK_MUTEX(oldFb->Mutex);
if (deleteFlag)
oldFb->Delete(oldFb);
*ptr = NULL;
}
assert(!*ptr);
assert(fb);
_glthread_LOCK_MUTEX(fb->Mutex);
fb->RefCount++;
_glthread_UNLOCK_MUTEX(fb->Mutex);
*ptr = fb;
if (fb) {
_glthread_LOCK_MUTEX(fb->Mutex);
fb->RefCount++;
_glthread_UNLOCK_MUTEX(fb->Mutex);
*ptr = fb;
}
}
/**
* XXX this function is deprecated.
* Undo/remove a reference to a framebuffer object.
* Decrement the framebuffer object's reference count and delete it when
* the refcount hits zero.
@ -244,21 +261,7 @@ _mesa_reference_framebuffer(struct gl_framebuffer **ptr,
void
_mesa_unreference_framebuffer(struct gl_framebuffer **fb)
{
assert(fb);
if (*fb) {
GLboolean deleteFlag = GL_FALSE;
_glthread_LOCK_MUTEX((*fb)->Mutex);
ASSERT((*fb)->RefCount > 0);
(*fb)->RefCount--;
deleteFlag = ((*fb)->RefCount == 0);
_glthread_UNLOCK_MUTEX((*fb)->Mutex);
if (deleteFlag)
(*fb)->Delete(*fb);
*fb = NULL;
}
_mesa_reference_framebuffer(fb, NULL);
}