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/**********************************************************
* 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, sublicense, 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 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
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* 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
* Surfaces for VMware SVGA winsys.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#ifndef VMW_SURFACE_H_
#define VMW_SURFACE_H_
#include "pipe/p_compiler.h"
#include "util/u_atomic.h"
#include "util/u_inlines.h"
#include "os/os_thread.h"
#include "pipebuffer/pb_buffer.h"
#define VMW_MAX_PRESENTS 3
struct vmw_svga_winsys_surface
{
int32_t validated; /* atomic */
struct pipe_reference refcnt;
struct vmw_winsys_screen *screen;
uint32_t sid;
/* FIXME: make this thread safe */
unsigned next_present_no;
uint32_t present_fences[VMW_MAX_PRESENTS];
pipe_mutex mutex;
struct svga_winsys_buffer *buf; /* Current backing guest buffer */
uint32_t mapcount; /* Number of mappers */
uint32_t map_mode; /* PIPE_TRANSFER_[READ|WRITE] */
void *data; /* Pointer to data if mapcount != 0*/
boolean shared; /* Shared surface. Never discard */
uint32_t size; /* Size of backing buffer */
boolean rebind; /* Surface needs a rebind after next unmap */
};
static inline struct svga_winsys_surface *
svga_winsys_surface(struct vmw_svga_winsys_surface *surf)
{
assert(!surf || surf->sid != SVGA3D_INVALID_ID);
return (struct svga_winsys_surface *)surf;
}
static inline struct vmw_svga_winsys_surface *
vmw_svga_winsys_surface(struct svga_winsys_surface *surf)
{
return (struct vmw_svga_winsys_surface *)surf;
}
void
vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst,
struct vmw_svga_winsys_surface *src);
void *
vmw_svga_winsys_surface_map(struct svga_winsys_context *swc,
struct svga_winsys_surface *srf,
unsigned flags, boolean *retry);
void
vmw_svga_winsys_surface_unmap(struct svga_winsys_context *swc,
struct svga_winsys_surface *srf,
boolean *rebind);
#endif /* VMW_SURFACE_H_ */
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