diff options
Diffstat (limited to 'src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c')
-rw-r--r-- | src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c new file mode 100644 index 0000000000..702bef1c04 --- /dev/null +++ b/src/gallium/auxiliary/pipebuffer/pb_bufmgr_alt.c @@ -0,0 +1,101 @@ +/************************************************************************** + * + * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +/** + * \file + * Allocate buffers from two alternative buffer providers. + * + * \author Jose Fonseca <jrfonseca@tungstengraphics.com> + */ + + +#include "pipe/p_compiler.h" +#include "pipe/p_debug.h" +#include "pipe/p_util.h" + +#include "pb_buffer.h" +#include "pb_bufmgr.h" + + +struct pb_alt_manager +{ + struct pb_manager base; + + struct pb_manager *provider1; + struct pb_manager *provider2; +}; + + +static INLINE struct pb_alt_manager * +pb_alt_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct pb_alt_manager *)mgr; +} + + +static struct pb_buffer * +pb_alt_manager_create_buffer(struct pb_manager *_mgr, + size_t size, + const struct pb_desc *desc) +{ + struct pb_alt_manager *mgr = pb_alt_manager(_mgr); + struct pb_buffer *buf; + + buf = mgr->provider1->create_buffer(mgr->provider1, size, desc); + if(buf) + return buf; + + buf = mgr->provider2->create_buffer(mgr->provider2, size, desc); + return buf; +} + + +static void +pb_alt_manager_destroy(struct pb_manager *mgr) +{ + FREE(mgr); +} + + +struct pb_manager * +pb_alt_manager_create(struct pb_manager *provider1, + struct pb_manager *provider2) +{ + struct pb_alt_manager *mgr; + + mgr = CALLOC_STRUCT(pb_alt_manager); + if (!mgr) + return NULL; + + mgr->base.destroy = pb_alt_manager_destroy; + mgr->base.create_buffer = pb_alt_manager_create_buffer; + mgr->provider1 = provider1; + mgr->provider2 = provider2; + + return &mgr->base; +} |