1/********************************************************** 2 * Copyright 2009-2015 VMware, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person 5 * obtaining a copy of this software and associated documentation 6 * files (the "Software"), to deal in the Software without 7 * restriction, including without limitation the rights to use, copy, 8 * modify, merge, publish, distribute, sublicense, and/or sell copies 9 * of the Software, and to permit persons to whom the Software is 10 * furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice shall be 13 * included in all copies or substantial portions of the Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22 * SOFTWARE. 23 * 24 **********************************************************/ 25 26/** 27 * @file 28 * Surfaces for VMware SVGA winsys. 29 * 30 * @author Jose Fonseca <jfonseca@vmware.com> 31 */ 32 33 34#ifndef VMW_SURFACE_H_ 35#define VMW_SURFACE_H_ 36 37 38#include "pipe/p_compiler.h" 39#include "util/u_atomic.h" 40#include "util/u_inlines.h" 41#include "os/os_thread.h" 42#include "pipebuffer/pb_buffer.h" 43 44#define VMW_MAX_PRESENTS 3 45 46 47 48struct vmw_svga_winsys_surface 49{ 50 int32_t validated; /* atomic */ 51 struct pipe_reference refcnt; 52 53 struct vmw_winsys_screen *screen; 54 uint32_t sid; 55 56 /* FIXME: make this thread safe */ 57 unsigned next_present_no; 58 uint32_t present_fences[VMW_MAX_PRESENTS]; 59 60 pipe_mutex mutex; 61 struct svga_winsys_buffer *buf; /* Current backing guest buffer */ 62 uint32_t mapcount; /* Number of mappers */ 63 uint32_t map_mode; /* PIPE_TRANSFER_[READ|WRITE] */ 64 void *data; /* Pointer to data if mapcount != 0*/ 65 boolean shared; /* Shared surface. Never discard */ 66 uint32_t size; /* Size of backing buffer */ 67 boolean rebind; /* Surface needs a rebind after next unmap */ 68}; 69 70 71static inline struct svga_winsys_surface * 72svga_winsys_surface(struct vmw_svga_winsys_surface *surf) 73{ 74 assert(!surf || surf->sid != SVGA3D_INVALID_ID); 75 return (struct svga_winsys_surface *)surf; 76} 77 78 79static inline struct vmw_svga_winsys_surface * 80vmw_svga_winsys_surface(struct svga_winsys_surface *surf) 81{ 82 return (struct vmw_svga_winsys_surface *)surf; 83} 84 85 86void 87vmw_svga_winsys_surface_reference(struct vmw_svga_winsys_surface **pdst, 88 struct vmw_svga_winsys_surface *src); 89void * 90vmw_svga_winsys_surface_map(struct svga_winsys_context *swc, 91 struct svga_winsys_surface *srf, 92 unsigned flags, boolean *retry); 93void 94vmw_svga_winsys_surface_unmap(struct svga_winsys_context *swc, 95 struct svga_winsys_surface *srf, 96 boolean *rebind); 97 98#endif /* VMW_SURFACE_H_ */ 99