1 /* 2 * Copyright 2014, 2015 Red Hat. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. 22 */ 23 24 #include "util/u_memory.h" 25 #include "util/u_inlines.h" 26 #include "virgl_context.h" 27 #include "virgl_encode.h" 28 #include "virgl_protocol.h" 29 #include "virgl_resource.h" 30 31 struct virgl_query { 32 uint32_t handle; 33 struct virgl_resource *buf; 34 35 unsigned index; 36 unsigned type; 37 unsigned result_size; 38 unsigned result_gotten_sent; 39 }; 40 41 static inline struct virgl_query *virgl_query(struct pipe_query *q) 42 { 43 return (struct virgl_query *)q; 44 } 45 46 static void virgl_render_condition(struct pipe_context *ctx, 47 struct pipe_query *q, 48 boolean condition, 49 uint mode) 50 { 51 struct virgl_context *vctx = virgl_context(ctx); 52 struct virgl_query *query = virgl_query(q); 53 uint32_t handle = 0; 54 if (q) 55 handle = query->handle; 56 virgl_encoder_render_condition(vctx, handle, condition, mode); 57 } 58 59 static struct pipe_query *virgl_create_query(struct pipe_context *ctx, 60 unsigned query_type, unsigned index) 61 { 62 struct virgl_context *vctx = virgl_context(ctx); 63 struct virgl_query *query; 64 uint32_t handle; 65 66 query = CALLOC_STRUCT(virgl_query); 67 if (!query) 68 return NULL; 69 70 query->buf = (struct virgl_resource *)pipe_buffer_create(ctx->screen, PIPE_BIND_CUSTOM, 71 PIPE_USAGE_STAGING, sizeof(struct virgl_host_query_state)); 72 if (!query->buf) { 73 FREE(query); 74 return NULL; 75 } 76 77 handle = virgl_object_assign_handle(); 78 query->type = query_type; 79 query->index = index; 80 query->handle = handle; 81 query->buf->clean = FALSE; 82 virgl_encoder_create_query(vctx, handle, query_type, index, query->buf, 0); 83 84 return (struct pipe_query *)query; 85 } 86 87 static void virgl_destroy_query(struct pipe_context *ctx, 88 struct pipe_query *q) 89 { 90 struct virgl_context *vctx = virgl_context(ctx); 91 struct virgl_query *query = virgl_query(q); 92 93 virgl_encode_delete_object(vctx, query->handle, VIRGL_OBJECT_QUERY); 94 95 pipe_resource_reference((struct pipe_resource **)&query->buf, NULL); 96 FREE(query); 97 } 98 99 static boolean virgl_begin_query(struct pipe_context *ctx, 100 struct pipe_query *q) 101 { 102 struct virgl_context *vctx = virgl_context(ctx); 103 struct virgl_query *query = virgl_query(q); 104 105 query->buf->clean = FALSE; 106 virgl_encoder_begin_query(vctx, query->handle); 107 return true; 108 } 109 110 static bool virgl_end_query(struct pipe_context *ctx, 111 struct pipe_query *q) 112 { 113 struct virgl_context *vctx = virgl_context(ctx); 114 struct virgl_query *query = virgl_query(q); 115 struct pipe_box box; 116 117 uint32_t qs = VIRGL_QUERY_STATE_WAIT_HOST; 118 u_box_1d(0, 4, &box); 119 virgl_transfer_inline_write(ctx, &query->buf->u.b, 0, PIPE_TRANSFER_WRITE, 120 &box, &qs, 0, 0); 121 122 123 virgl_encoder_end_query(vctx, query->handle); 124 return true; 125 } 126 127 static boolean virgl_get_query_result(struct pipe_context *ctx, 128 struct pipe_query *q, 129 boolean wait, 130 union pipe_query_result *result) 131 { 132 struct virgl_context *vctx = virgl_context(ctx); 133 struct virgl_query *query = virgl_query(q); 134 struct pipe_transfer *transfer; 135 struct virgl_host_query_state *host_state; 136 137 /* ask host for query result */ 138 if (!query->result_gotten_sent) { 139 query->result_gotten_sent = 1; 140 virgl_encoder_get_query_result(vctx, query->handle, 0); 141 ctx->flush(ctx, NULL, 0); 142 } 143 144 /* do we have to flush? */ 145 /* now we can do the transfer to get the result back? */ 146 remap: 147 host_state = pipe_buffer_map(ctx, &query->buf->u.b, 148 PIPE_TRANSFER_READ, &transfer); 149 150 if (host_state->query_state != VIRGL_QUERY_STATE_DONE) { 151 pipe_buffer_unmap(ctx, transfer); 152 if (wait) 153 goto remap; 154 else 155 return FALSE; 156 } 157 158 if (query->type == PIPE_QUERY_TIMESTAMP || query->type == PIPE_QUERY_TIME_ELAPSED) 159 result->u64 = host_state->result; 160 else 161 result->u64 = (uint32_t)host_state->result; 162 163 pipe_buffer_unmap(ctx, transfer); 164 query->result_gotten_sent = 0; 165 return TRUE; 166 } 167 168 static void 169 virgl_set_active_query_state(struct pipe_context *pipe, boolean enable) 170 { 171 } 172 173 void virgl_init_query_functions(struct virgl_context *vctx) 174 { 175 vctx->base.render_condition = virgl_render_condition; 176 vctx->base.create_query = virgl_create_query; 177 vctx->base.destroy_query = virgl_destroy_query; 178 vctx->base.begin_query = virgl_begin_query; 179 vctx->base.end_query = virgl_end_query; 180 vctx->base.get_query_result = virgl_get_query_result; 181 vctx->base.set_active_query_state = virgl_set_active_query_state; 182 } 183
