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Viewing changes to src/mesa/main/shared.c

  • Committer: Bazaar Package Importer
  • Author(s): Timo Aaltonen, Timo Aaltonen, Rolf Leggewie
  • Date: 2010-03-02 17:11:31 UTC
  • mfrom: (3.3.4 sid)
  • Revision ID: james.westby@ubuntu.com-20100302171131-gf6gvuqrhzoq8c8e
Tags: 7.7-4ubuntu1
https://launchpad.net/bugs/460809
https://launchpad.net/bugs/525592
[Timo Aaltonen]
* libgl1-mesa-dri: Get rid of the old hook (65mesa-check-x86-64).
  (LP: #460809)

[Rolf Leggewie]
* debian/control: depend on dpkg package where u-a supports --force
  (LP: #525592)

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Lines of Context:
src/mesa/main/shared.c
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   shared->BufferObjects = _mesa_NewHashTable();
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#endif
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   /* Allocate the default buffer object and set refcount so high that
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    * it never gets deleted.
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    * XXX with recent/improved refcounting this may not longer be needed.
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    */
 
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   /* Allocate the default buffer object */
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   shared->NullBufferObj = ctx->Driver.NewBufferObject(ctx, 0, 0);
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   shared->NullBufferObj->RefCount = 1000 * 1000 * 1000;
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   /* Create default texture objects */
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   for (i = 0; i < NUM_TEXTURE_TARGETS; i++) {
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      ctx->Driver.UnmapBuffer(ctx, 0, bufObj);
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      bufObj->Pointer = NULL;
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   }
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   ctx->Driver.DeleteBuffer(ctx, bufObj);
 
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   _mesa_reference_buffer_object(ctx, &bufObj, NULL);
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}
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 *
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 * \sa alloc_shared_state().
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 */
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void
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_mesa_free_shared_state(GLcontext *ctx, struct gl_shared_state *shared)
 
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static void
 
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free_shared_state(GLcontext *ctx, struct gl_shared_state *shared)
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{
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   GLuint i;
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#endif
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#if FEATURE_ARB_vertex_buffer_object
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   ctx->Driver.DeleteBuffer(ctx, shared->NullBufferObj);
 
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   _mesa_reference_buffer_object(ctx, &shared->NullBufferObj, NULL);
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#endif
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#if FEATURE_ARB_sync
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   _mesa_free(shared);
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}
 
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/**
 
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 * Decrement shared state object reference count and potentially free it
 
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 * and all children structures.
 
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 *
 
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 * \param ctx GL context.
 
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 * \param shared shared state pointer.
 
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 *
 
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 * \sa free_shared_state().
 
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 */
 
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void
 
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_mesa_release_shared_state(GLcontext *ctx, struct gl_shared_state *shared)
 
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{
 
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   GLint RefCount;
 
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   _glthread_LOCK_MUTEX(shared->Mutex);
 
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   RefCount = --shared->RefCount;
 
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   _glthread_UNLOCK_MUTEX(shared->Mutex);
 
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   assert(RefCount >= 0);
 
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   if (RefCount == 0) {
 
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      /* free shared state */
 
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      free_shared_state( ctx, shared );
 
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   }
 
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}