Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 126 insertions, 0 deletions

diff --git a/src/VBox/GuestHost/OpenGL/spu_loader/dispatch.py b/src/VBox/GuestHost/OpenGL/spu_loader/dispatch.py
new file mode 100755
index 00000000..581121d5
--- /dev/null
+++ b/src/VBox/GuestHost/OpenGL/spu_loader/dispatch.py
@@ -0,0 +1,126 @@
+# Copyright (c) 2001, Stanford University
+# All rights reserved.
+#
+# See the file LICENSE.txt for information on redistributing this software.
+
+from __future__ import print_function
+import sys
+import apiutil
+
+
+apiutil.CopyrightC()
+
+print("""
+
+/* DO NOT EDIT - THIS FILE AUTOMATICALLY GENERATED BY dispatch.py SCRIPT */
+
+#include "cr_spu.h"
+#include "cr_string.h"
+#include "cr_error.h"
+
+
+static SPUGenericFunction __findFunc( char *name, SPU *spu )
+{
+	SPUNamedFunctionTable *temp;
+
+	if (spu == NULL)
+		return NULL;
+
+	for (temp = spu->function_table->table ; temp->name != NULL ; temp++)
+	{
+		if (!crStrcmp(name, temp->name))
+		{
+			return temp->fn;
+		}
+	}
+	return __findFunc(name, spu->superSPU);
+}
+
+
+/*
+ * This function is not public outside the loader SPU.
+ */
+extern void __buildDispatch( SPU *spu );
+
+void __buildDispatch( SPU *spu )
+{""")
+
+keys = apiutil.GetDispatchedFunctions(sys.argv[1]+"/APIspec.txt")
+for func_name in keys:
+	print('\tspu->dispatch_table.%s = (%sFunc_t) __findFunc( "%s", spu );' % (func_name,func_name,func_name))
+print('}')
+
+
+print("""
+
+/*
+ * Public function:
+ * Search a SPU named function table for a specific function.  Return
+ * a pointer to it or NULL if not found.
+ */
+SPUGenericFunction crSPUFindFunction( const SPUNamedFunctionTable *table, const char *fname )
+{
+	const SPUNamedFunctionTable *temp;
+
+	for (temp = table ; temp->name != NULL ; temp++)
+	{
+		if (!crStrcmp(fname, temp->name))
+		{
+			return temp->fn;
+		}
+	}
+	return NULL;
+}
+
+
+/*
+ * Public function:
+ * Initializes the pointers in an SPUDispatchTable by looking for functions
+ * in an SPUNamedFunctionTable.
+ * It doesn't know anything about SPUs and SPU inheritance.
+ */
+void crSPUInitDispatch( SPUDispatchTable *dispatch, const SPUNamedFunctionTable *table )
+{""")
+
+for func_name in keys:
+	print('\tdispatch->%s = (%sFunc_t) crSPUFindFunction(table, "%s");' % (func_name, func_name, func_name))
+print('}')
+
+
+
+print("""
+/*
+ * Generic no-op function
+ */
+static int NopFunction(void)
+{
+/*
+	crWarning("Calling generic no-op function in dispatch.c");
+*/
+	return 0;
+}
+
+
+/*
+ * Scan the given dispatch table for NULL pointers.  Hook in the generic
+ * no-op function wherever we find a NULL pointer.
+ */
+void crSPUInitDispatchNops(SPUDispatchTable *table)
+{
+	/*
+	 * This is a bit tricky.  We walk over all the function pointers in
+	 * the SPUDispatchTable struct, checking for NULL and setting NULL
+	 * pointers to point to NopFunction().
+	 * But we have to stop when we get to the copyList pointer!
+	 */
+	const int numEntries = (void **) &(table->copyList) - (void **) &(table->Accum);
+	void **ptr = (void **) table;
+	int i;
+	for (i = 0; i < numEntries; i++) {
+		if (ptr[i] == NULL) {
+			/*printf("!!!!!!!Warning entry[%d] = NULL\n", i);*/
+			ptr[i] = (void *)(uintptr_t)NopFunction;
+		}
+	}
+}
+""")