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Diffstat (limited to 'src/mesa/pipe/pipebuffer/pb_bufmgr.h')
-rw-r--r-- | src/mesa/pipe/pipebuffer/pb_bufmgr.h | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/mesa/pipe/pipebuffer/pb_bufmgr.h b/src/mesa/pipe/pipebuffer/pb_bufmgr.h deleted file mode 100644 index 1ddf784c978..00000000000 --- a/src/mesa/pipe/pipebuffer/pb_bufmgr.h +++ /dev/null @@ -1,126 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 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 - * Buffer management. - * - * A buffer manager does only one basic thing: it creates buffers. Actually, - * "buffer factory" would probably a more accurate description. - * - * You can chain buffer managers so that you can have a finer grained memory - * management and pooling. - * - * For example, for a simple batch buffer manager you would chain: - * - the native buffer manager, which provides DMA memory from the graphics - * memory space; - * - the pool buffer manager, which keep around a pool of equally sized buffers - * to avoid latency associated with the native buffer manager; - * - the fenced buffer manager, which will delay buffer destruction until the - * the moment the card finishing processing it. - * - * \author Jos� Fonseca <[email protected]> - */ - -#ifndef PB_BUFMGR_H_ -#define PB_BUFMGR_H_ - - -#include <stddef.h> - - -struct pb_desc; -struct pipe_buffer; -struct pipe_winsys; - - -/** - * Abstract base class for all buffer managers. - */ -struct pb_manager -{ - /* XXX: we will likely need more allocation flags */ - struct pb_buffer * - (*create_buffer)( struct pb_manager *mgr, - size_t size, - const struct pb_desc *desc); - - void - (*destroy)( struct pb_manager *mgr ); -}; - - -/** - * Static buffer pool manager. - * - * Manages the allocation of equally sized buffers. It does so by allocating - * a single big buffer and divide it equally sized buffers. - * - * It is meant to manage the allocation of batch buffer pools. - */ -struct pb_manager * -pool_bufmgr_create(struct pb_manager *provider, - size_t n, size_t size, - const struct pb_desc *desc); - - -/** - * Wraper around the old memory manager. - * - * It managers buffers of different sizes. It does so by allocating a buffer - * with the size of the heap, and then using the old mm memory manager to manage - * that heap. - */ -struct pb_manager * -mm_bufmgr_create(struct pb_manager *provider, - size_t size, size_t align2); - -/** - * Same as mm_bufmgr_create. - * - * Buffer will be release when the manager is destroyed. - */ -struct pb_manager * -mm_bufmgr_create_from_buffer(struct pb_buffer *buffer, - size_t size, size_t align2); - - -/** - * Fenced buffer manager. - * - * This manager is just meant for convenience. It wraps the buffers returned - * by another manager in fenced buffers, so that - * - * NOTE: the buffer manager that provides the buffers will be destroyed - * at the same time. - */ -struct pb_manager * -fenced_bufmgr_create(struct pb_manager *provider, - struct pipe_winsys *winsys); - - -#endif /*PB_BUFMGR_H_*/ |