diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-02-15 11:15:47 +0000 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-02-15 11:15:47 +0000 |
commit | 6ac2c1cc0cd1253ba2014d459010032127f185ec (patch) | |
tree | 6348de9de19e7394800a983c8c614566d22b870b /src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c | |
parent | c04a7f8929d674971a472ffa4d3a31200c22aa5a (diff) | |
parent | 6d3831b11d9f5aaba61cc2fb8ade61437ad7c335 (diff) |
Merge commit 'origin/gallium-0.1' into gallium-0.1
Conflicts:
src/gallium/drivers/softpipe/sp_quad_fs.c
src/gallium/drivers/softpipe/sp_state.h
src/gallium/drivers/softpipe/sp_state_fs.c
Diffstat (limited to 'src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c')
-rw-r--r-- | src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c b/src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c new file mode 100644 index 0000000000..c535d3276c --- /dev/null +++ b/src/gallium/aux/pipebuffer/pb_bufmgr_fenced.c @@ -0,0 +1,131 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA + * 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 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 + * THE COPYRIGHT HOLDERS, AUTHORS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ + +/** + * \file + * A buffer manager that wraps buffers in fenced buffers. + * + * \author José Fonseca <jrfonseca@tungstengraphics.dot.com> + */ + + +#include "p_debug.h" +#include "p_util.h" + +#include "pb_buffer.h" +#include "pb_buffer_fenced.h" +#include "pb_bufmgr.h" + + +struct fenced_pb_manager +{ + struct pb_manager base; + + struct pb_manager *provider; + + struct fenced_buffer_list *fenced_list; +}; + + +static INLINE struct fenced_pb_manager * +fenced_pb_manager(struct pb_manager *mgr) +{ + assert(mgr); + return (struct fenced_pb_manager *)mgr; +} + + +static struct pb_buffer * +fenced_bufmgr_create_buffer(struct pb_manager *mgr, + size_t size, + const struct pb_desc *desc) +{ + struct fenced_pb_manager *fenced_mgr = fenced_pb_manager(mgr); + struct pb_buffer *buf; + struct pb_buffer *fenced_buf; + + /* check for free buffers before allocating new ones */ + fenced_buffer_list_check_free(fenced_mgr->fenced_list, 0); + + buf = fenced_mgr->provider->create_buffer(fenced_mgr->provider, size, desc); + if(!buf) { + /* try harder to get a buffer */ + fenced_buffer_list_check_free(fenced_mgr->fenced_list, 1); + + buf = fenced_mgr->provider->create_buffer(fenced_mgr->provider, size, desc); + if(!buf) { + /* give up */ + return NULL; + } + } + + fenced_buf = fenced_buffer_create(fenced_mgr->fenced_list, buf); + if(!fenced_buf) { + assert(buf->base.refcount == 1); + pb_destroy(buf); + } + + return fenced_buf; +} + + +static void +fenced_bufmgr_destroy(struct pb_manager *mgr) +{ + struct fenced_pb_manager *fenced_mgr = fenced_pb_manager(mgr); + + fenced_buffer_list_destroy(fenced_mgr->fenced_list); + + fenced_mgr->provider->destroy(fenced_mgr->provider); + + FREE(fenced_mgr); +} + + +struct pb_manager * +fenced_bufmgr_create(struct pb_manager *provider, + struct pipe_winsys *winsys) +{ + struct fenced_pb_manager *fenced_mgr; + + fenced_mgr = (struct fenced_pb_manager *)CALLOC(1, sizeof(*fenced_mgr)); + if (!fenced_mgr) + return NULL; + + fenced_mgr->base.destroy = fenced_bufmgr_destroy; + fenced_mgr->base.create_buffer = fenced_bufmgr_create_buffer; + + fenced_mgr->provider = provider; + fenced_mgr->fenced_list = fenced_buffer_list_create(winsys); + if(!fenced_mgr->fenced_list) { + FREE(fenced_mgr); + return NULL; + } + + return &fenced_mgr->base; +} |