Changeset 301 for trunk/thune/make.c

Timestamp:

10/23/06 04:19:31 (2 years ago)

Author:

krobillard

Message:

Thune - Added UBuffer & shader! datatype.

Files:

• trunk/thune/make.c (modified) (1 diff)

trunk/thune/make.c

@@ -205 +205 @@
     bin->used = out - bin->ptr.b;
     return it;
+}
+
+
+/**
+  Size is the number of bytes to allocate.
+
+  If retp is non-zero it will be set to the new buffer.
+*/
+UIndex ur_makeBuffer( int dataType, int size, UBuffer** retp )
+{
+    UBuffer* buf;
+    UGCArray* gc = &ur_env->buffers;
+    UArray* ca = &gc->arr;
+
+#ifdef GC_STRESS_TEST
+    if( ur_env->flags & UR_ENV_GC )
+        ur_recycle( ur_env );
+#endif
+
+    if( ur_env->buffers.freeCount )
+    {
+#ifndef GC_STRESS_TEST
+getFree:
+#endif
+        buf = ((UBuffer*) ca->ptr.v) + gc->freeList;
+
+        assert( gc->freeList > -1 );
+        assert( buf->dataType == UT_UNSET );
+
+        gc->freeList = buf->link;
+        gc->freeCount--;
+
+        goto init;
+    }
+
+#ifndef GC_STRESS_TEST
+    if( (ca->used == ca->avail) && (ur_env->flags & UR_ENV_GC) )
+    {
+        ur_recycle( ur_env );
+        if( ur_env->buffers.freeCount )
+            goto getFree;
+    }
+#endif
+
+    UR_EXPAND_1( UBuffer, ca, buf );
+
+init:
+
+    buf->dataType = dataType;
+    buf->ptr      = size ? memAlloc( size ) : 0;
+
+    if( retp )
+        *retp = buf;
+
+    return buf - ((UBuffer*) ca->ptr.v);
 }