Implemented support for software-based AUX color buffers.

Only available with Xlib driver for now.
Assorted clean-ups related to Draw/ReadBuffer().
Renamed FRONT_LEFT_BIT -> DD_FRONT_LEFT_BIT, etc.

1 files changed, 41 insertions, 0 deletions

diff --git a/src/mesa/swrast/s_auxbuffer.h b/src/mesa/swrast/s_auxbuffer.h
new file mode 100644
index 0000000..48fb695
--- /dev/null
+++ b/src/mesa/swrast/s_auxbuffer.h
@@ -0,0 +1,41 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.1
+ *
+ * Copyright (C) 1999-2004  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.
+ */
+
+
+#ifndef S_AUXBUFFER_H
+#define S_AUXBUFFER_H
+
+
+#include "context.h"
+
+
+extern void
+_swrast_alloc_aux_buffers( GLframebuffer *buffer );
+
+
+extern void
+_swrast_use_aux_buffer(GLcontext *ctx, GLframebuffer *buffr, GLuint bufferBit);
+
+
+#endif /* S_AUXBUFFER_H */