Support for combined depth/stencil renderbuffers (GL_EXT_packed_depth_stencil).

depthstencil.c provides wrappers for treating depth/stencil buffers either
as regular depth or stencil renderbuffers.

1 files changed, 55 insertions, 0 deletions

diff --git a/src/mesa/main/depthstencil.h b/src/mesa/main/depthstencil.h
new file mode 100644
index 00000000000..76b75a0e361
--- /dev/null
+++ b/src/mesa/main/depthstencil.h
@@ -0,0 +1,55 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  6.5
+ *
+ * Copyright (C) 1999-2005  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 DEPTHSTENCIL_H
+#define DEPTHSTENCIL_H
+
+
+extern struct gl_renderbuffer *
+_mesa_new_z24_renderbuffer_wrapper(GLcontext *ctx,
+                                   struct gl_renderbuffer *dsrb);
+
+
+extern struct gl_renderbuffer *
+_mesa_new_s8_renderbuffer_wrapper(GLcontext *ctx,
+                                  struct gl_renderbuffer *dsrb);
+
+
+extern void
+_mesa_merge_depth_stencil_buffers(GLcontext *ctx,
+                                  struct gl_renderbuffer *dest,
+                                  struct gl_renderbuffer *depth,
+                                  struct gl_renderbuffer *stencil);
+
+
+extern void
+_mesa_split_depth_stencil_buffer(GLcontext *ctx,
+                                 struct gl_renderbuffer *source,
+                                 struct gl_renderbuffer *depth,
+                                 struct gl_renderbuffer *stencil);
+
+
+
+#endif /* DEPTHSTENCIL_H */