The array cache.

1 files changed, 98 insertions, 0 deletions

diff --git a/src/mesa/array_cache/ac_context.h b/src/mesa/array_cache/ac_context.h
new file mode 100644
index 0000000000..b8c3cef4f8
--- /dev/null
+++ b/src/mesa/array_cache/ac_context.h
@@ -0,0 +1,98 @@
+
+/* $Id: ac_context.h,v 1.1 2000/12/26 15:14:04 keithw Exp $ */
+
+/*
+ * Mesa 3-D graphics library
+ * Version:  3.5
+ *
+ * Copyright (C) 1999  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Author:
+ *    Keith Whitwell <keithw@valinux.com>
+ */
+
+#ifndef _AC_CONTEXT_H
+#define _AC_CONTEXT_H
+
+#include "glheader.h"
+#include "mtypes.h"
+
+#include "array_cache/acache.h"
+
+/* These are used to make the ctx->Current values look like
+ * arrays (with zero StrideB).
+ */
+struct ac_arrays {
+   struct gl_client_array Vertex;
+   struct gl_client_array Normal;
+   struct gl_client_array Color;
+   struct gl_client_array SecondaryColor;
+   struct gl_client_array FogCoord;
+   struct gl_client_array Index;
+   struct gl_client_array TexCoord[MAX_TEXTURE_UNITS];
+   struct gl_client_array EdgeFlag;
+};
+
+struct ac_array_pointers {
+   struct gl_client_array *Vertex;
+   struct gl_client_array *Normal;
+   struct gl_client_array *Color;
+   struct gl_client_array *SecondaryColor;
+   struct gl_client_array *FogCoord;
+   struct gl_client_array *Index;
+   struct gl_client_array *TexCoord[MAX_TEXTURE_UNITS];
+   struct gl_client_array *EdgeFlag;
+};
+
+struct ac_array_flags {
+   GLboolean Vertex;
+   GLboolean Normal;
+   GLboolean Color;
+   GLboolean SecondaryColor;
+   GLboolean FogCoord;
+   GLboolean Index;
+   GLboolean TexCoord[MAX_TEXTURE_UNITS];
+   GLboolean EdgeFlag;
+};
+
+
+typedef struct {
+   GLuint NewState;		/* not needed? */
+   GLuint NewArrayState;
+
+   /* Facility for importing and caching array data:
+    */
+   struct ac_arrays Fallback;
+   struct ac_arrays Cache;
+   struct ac_array_pointers Current;
+   struct ac_array_flags Writeable;
+   GLuint start;
+   GLuint count;
+   
+   /* Facility for importing element lists:
+    */
+   GLuint *Elts;
+   GLuint elt_size;
+
+} ACcontext;
+
+#define AC_CONTEXT(ctx) ((ACcontext *)ctx->acache_context)
+
+#endif