1 /********************************************************** 2 * Copyright 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 #include "pipebuffer/pb_bufmgr.h" 27 #include "util/u_memory.h" 28 29 #include "vmw_screen.h" 30 #include "vmw_buffer.h" 31 #include "vmw_query.h" 32 33 34 35 struct svga_winsys_gb_query * 36 vmw_svga_winsys_query_create(struct svga_winsys_screen *sws, 37 uint32 queryResultLen) 38 { 39 struct vmw_winsys_screen *vws = vmw_winsys_screen(sws); 40 struct pb_manager *provider = vws->pools.gmr; 41 struct pb_desc desc = {0}; 42 struct pb_buffer *pb_buf; 43 struct svga_winsys_gb_query *query; 44 45 query = CALLOC_STRUCT(svga_winsys_gb_query); 46 if (!query) 47 return NULL; 48 49 /* Allocate memory to hold queries for this context */ 50 desc.alignment = 4096; 51 pb_buf = provider->create_buffer(provider, queryResultLen, &desc); 52 query->buf = vmw_svga_winsys_buffer_wrap(pb_buf); 53 54 if (!query->buf) { 55 debug_printf("Failed to allocate memory for queries\n"); 56 FREE(query); 57 query = NULL; 58 } 59 60 return query; 61 } 62 63 64 65 void 66 vmw_svga_winsys_query_destroy(struct svga_winsys_screen *sws, 67 struct svga_winsys_gb_query *query) 68 { 69 vmw_svga_winsys_buffer_destroy(sws, query->buf); 70 FREE(query); 71 } 72 73 74 75 int 76 vmw_svga_winsys_query_init(struct svga_winsys_screen *sws, 77 struct svga_winsys_gb_query *query, 78 unsigned offset, 79 SVGA3dQueryState queryState) 80 { 81 SVGA3dQueryState *state; 82 83 state = (SVGA3dQueryState *) vmw_svga_winsys_buffer_map(sws, 84 query->buf, 85 PIPE_TRANSFER_WRITE); 86 if (!state) { 87 debug_printf("Failed to map query result memory for initialization\n"); 88 return -1; 89 } 90 91 /* Initialize the query state for the specified query slot */ 92 state = (SVGA3dQueryState *)((char *)state + offset); 93 *state = queryState; 94 95 vmw_svga_winsys_buffer_unmap(sws, query->buf); 96 97 return 0; 98 } 99 100 101 102 void 103 vmw_svga_winsys_query_get_result(struct svga_winsys_screen *sws, 104 struct svga_winsys_gb_query *query, 105 unsigned offset, 106 SVGA3dQueryState *queryState, 107 void *result, uint32 resultLen) 108 { 109 SVGA3dQueryState *state; 110 111 state = (SVGA3dQueryState *) vmw_svga_winsys_buffer_map(sws, 112 query->buf, 113 PIPE_TRANSFER_READ); 114 if (!state) { 115 debug_printf("Failed to lock query result memory\n"); 116 117 if (queryState) 118 *queryState = SVGA3D_QUERYSTATE_FAILED; 119 120 return; 121 } 122 123 state = (SVGA3dQueryState *)((char *)state + offset); 124 125 if (queryState) 126 *queryState = *state; 127 128 if (result) { 129 memcpy(result, state + 1, resultLen); 130 } 131 132 vmw_svga_winsys_buffer_unmap(sws, query->buf); 133 } 134 135 136 enum pipe_error 137 vmw_swc_query_bind(struct svga_winsys_context *swc, 138 struct svga_winsys_gb_query *query, 139 unsigned flags) 140 { 141 /* no-op on Linux */ 142 return PIPE_OK; 143 } 144 145