diff options
Diffstat (limited to 'src/gallium/auxiliary/pipebuffer/pb_winsys.c')
| -rw-r--r-- | src/gallium/auxiliary/pipebuffer/pb_winsys.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/src/gallium/auxiliary/pipebuffer/pb_winsys.c b/src/gallium/auxiliary/pipebuffer/pb_winsys.c deleted file mode 100644 index 452835fdad..0000000000 --- a/src/gallium/auxiliary/pipebuffer/pb_winsys.c +++ /dev/null @@ -1,191 +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 - * Implementation of client buffer (also designated as "user buffers"), which - * are just state-tracker owned data masqueraded as buffers. - * - * \author Jose Fonseca <jrfonseca@tungstengraphics.com> - */ - - -#include "pipe/p_winsys.h" -#include "util/u_memory.h" - -#include "pb_buffer.h" -#include "pb_winsys.h" - - -/** - * User buffers are special buffers that initially reference memory - * held by the user but which may if necessary copy that memory into - * device memory behind the scenes, for submission to hardware. - * - * These are particularly useful when the referenced data is never - * submitted to hardware at all, in the particular case of software - * vertex processing. - */ -struct pb_user_buffer -{ - struct pb_buffer base; - void *data; -}; - - -extern const struct pb_vtbl pb_user_buffer_vtbl; - - -static INLINE struct pb_user_buffer * -pb_user_buffer(struct pb_buffer *buf) -{ - assert(buf); - assert(buf->vtbl == &pb_user_buffer_vtbl); - return (struct pb_user_buffer *)buf; -} - - -static void -pb_user_buffer_destroy(struct pb_buffer *buf) -{ - assert(buf); - FREE(buf); -} - - -static void * -pb_user_buffer_map(struct pb_buffer *buf, - unsigned flags) -{ - return pb_user_buffer(buf)->data; -} - - -static void -pb_user_buffer_unmap(struct pb_buffer *buf) -{ - /* No-op */ -} - - -static enum pipe_error -pb_user_buffer_validate(struct pb_buffer *buf, - struct pb_validate *vl, - unsigned flags) -{ - assert(0); - return PIPE_ERROR; -} - - -static void -pb_user_buffer_fence(struct pb_buffer *buf, - struct pipe_fence_handle *fence) -{ - assert(0); -} - - -static void -pb_user_buffer_get_base_buffer(struct pb_buffer *buf, - struct pb_buffer **base_buf, - unsigned *offset) -{ - *base_buf = buf; - *offset = 0; -} - - -const struct pb_vtbl -pb_user_buffer_vtbl = { - pb_user_buffer_destroy, - pb_user_buffer_map, - pb_user_buffer_unmap, - pb_user_buffer_validate, - pb_user_buffer_fence, - pb_user_buffer_get_base_buffer -}; - - -struct pipe_buffer * -pb_winsys_user_buffer_create(struct pipe_winsys *winsys, - void *data, - unsigned bytes) -{ - struct pb_user_buffer *buf = CALLOC_STRUCT(pb_user_buffer); - - if(!buf) - return NULL; - - buf->base.base.refcount = 1; - buf->base.base.size = bytes; - buf->base.base.alignment = 0; - buf->base.base.usage = 0; - - buf->base.vtbl = &pb_user_buffer_vtbl; - buf->data = data; - - return &buf->base.base; -} - - -void * -pb_winsys_buffer_map(struct pipe_winsys *winsys, - struct pipe_buffer *buf, - unsigned flags) -{ - (void)winsys; - return pb_map(pb_buffer(buf), flags); -} - - -void -pb_winsys_buffer_unmap(struct pipe_winsys *winsys, - struct pipe_buffer *buf) -{ - (void)winsys; - pb_unmap(pb_buffer(buf)); -} - - -void -pb_winsys_buffer_destroy(struct pipe_winsys *winsys, - struct pipe_buffer *buf) -{ - (void)winsys; - pb_destroy(pb_buffer(buf)); -} - - -void -pb_init_winsys(struct pipe_winsys *winsys) -{ - winsys->user_buffer_create = pb_winsys_user_buffer_create; - winsys->buffer_map = pb_winsys_buffer_map; - winsys->buffer_unmap = pb_winsys_buffer_unmap; - winsys->buffer_destroy = pb_winsys_buffer_destroy; -} |