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yet another take on VBO deleting and reference counting

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This commit is contained in:
Brian Paul
2004-03-04 14:46:00 +00:00
parent 3f94cef027
commit 94ec525ba5
2 changed files with 54 additions and 1 deletions
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54
src/mesa/main/bufferobj.c
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@@ -452,8 +452,60 @@ _mesa_DeleteBuffersARB(GLsizei n, const GLuint *ids)
_mesa_HashLookup(ctx->Shared->BufferObjects, ids[i]);
if (bufObj) {
/* unbind any vertex pointers bound to this buffer */
GLuint j;
ASSERT(bufObj->Name == ids[i]);
if (ctx->Array.Vertex.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Vertex.BufferObj = ctx->Array.NullBufferObj;
}
if (ctx->Array.Normal.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Normal.BufferObj = ctx->Array.NullBufferObj;
}
if (ctx->Array.Color.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Color.BufferObj = ctx->Array.NullBufferObj;
}
if (ctx->Array.SecondaryColor.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.SecondaryColor.BufferObj = ctx->Array.NullBufferObj;
}
if (ctx->Array.FogCoord.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.FogCoord.BufferObj = ctx->Array.NullBufferObj;
}
if (ctx->Array.Index.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.Index.BufferObj = ctx->Array.NullBufferObj;
}
if (ctx->Array.EdgeFlag.BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.EdgeFlag.BufferObj = ctx->Array.NullBufferObj;
}
for (j = 0; j < MAX_TEXTURE_UNITS; j++) {
if (ctx->Array.TexCoord[j].BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.TexCoord[j].BufferObj = ctx->Array.NullBufferObj;
}
}
for (j = 0; j < VERT_ATTRIB_MAX; j++) {
if (ctx->Array.VertexAttrib[j].BufferObj == bufObj) {
bufObj->RefCount--;
ctx->Array.VertexAttrib[j].BufferObj = ctx->Array.NullBufferObj;
}
}
if (ctx->Array.ArrayBufferObj == bufObj) {
_mesa_BindBufferARB( GL_ARRAY_BUFFER_ARB, 0 );
}
if (ctx->Array.ElementArrayBufferObj == bufObj) {
_mesa_BindBufferARB( GL_ELEMENT_ARRAY_BUFFER_ARB, 0 );
}
/* decrement refcount and delete if <= 0 */
bufObj->DeletePending = GL_TRUE;
bufObj->RefCount--;
if (bufObj->RefCount <= 0) {
/* buffer should not be bound anymore! */
@@ -541,7 +593,7 @@ _mesa_IsBufferARB(GLuint id)
bufObj = (struct gl_buffer_object *) _mesa_HashLookup(ctx->Shared->BufferObjects, id);
_glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
return (bufObj != NULL);
return bufObj && !bufObj->DeletePending;
}