+++ /dev/null
-/**************************************************************************
- *
- * 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/internal/p_winsys_screen.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;
-}
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2009 VMWare, Inc.
- * 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 VMWARE 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
- * Drop-in replacements for winsys buffer callbacks.
- *
- * The requirement to use this functions is that all pipe_buffers must be in
- * fact pb_buffers.
- *
- * @author Jose Fonseca <jfonseca@vmware.com>
- */
-
-#ifndef PB_WINSYS_H_
-#define PB_WINSYS_H_
-
-
-#include "pipe/p_compiler.h"
-#include "pipe/p_debug.h"
-#include "pipe/p_state.h"
-#include "pipe/p_inlines.h"
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-struct pipe_buffer *
-pb_winsys_user_buffer_create(struct pipe_winsys *winsys,
- void *data,
- unsigned bytes);
-
-void *
-pb_winsys_buffer_map(struct pipe_winsys *winsys,
- struct pipe_buffer *buf,
- unsigned flags);
-
-void
-pb_winsys_buffer_unmap(struct pipe_winsys *winsys,
- struct pipe_buffer *buf);
-
-void
-pb_winsys_buffer_destroy(struct pipe_winsys *winsys,
- struct pipe_buffer *buf);
-
-void
-pb_init_winsys(struct pipe_winsys *winsys);
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /*PB_WINSYS_H_*/
projects / mesa.git / commitdiff