1/* 2 * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com> 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#include "util/u_memory.h" 24#include "util/simple_list.h" 25 26#include "r300_context.h" 27#include "r300_screen.h" 28#include "r300_emit.h" 29 30#include <stdio.h> 31 32static struct pipe_query *r300_create_query(struct pipe_context *pipe, 33 unsigned query_type, 34 unsigned index) 35{ 36 struct r300_context *r300 = r300_context(pipe); 37 struct r300_screen *r300screen = r300->screen; 38 struct r300_query *q; 39 40 if (query_type != PIPE_QUERY_OCCLUSION_COUNTER && 41 query_type != PIPE_QUERY_OCCLUSION_PREDICATE && 42 query_type != PIPE_QUERY_GPU_FINISHED) { 43 return NULL; 44 } 45 46 q = CALLOC_STRUCT(r300_query); 47 if (!q) 48 return NULL; 49 50 q->type = query_type; 51 52 if (query_type == PIPE_QUERY_GPU_FINISHED) { 53 return (struct pipe_query*)q; 54 } 55 56 if (r300screen->caps.family == CHIP_RV530) 57 q->num_pipes = r300screen->info.r300_num_z_pipes; 58 else 59 q->num_pipes = r300screen->info.r300_num_gb_pipes; 60 61 q->buf = r300->rws->buffer_create(r300->rws, 62 r300screen->info.gart_page_size, 63 r300screen->info.gart_page_size, 64 RADEON_DOMAIN_GTT, 0); 65 if (!q->buf) { 66 FREE(q); 67 return NULL; 68 } 69 return (struct pipe_query*)q; 70} 71 72static void r300_destroy_query(struct pipe_context* pipe, 73 struct pipe_query* query) 74{ 75 struct r300_query* q = r300_query(query); 76 77 pb_reference(&q->buf, NULL); 78 FREE(query); 79} 80 81void r300_resume_query(struct r300_context *r300, 82 struct r300_query *query) 83{ 84 r300->query_current = query; 85 r300_mark_atom_dirty(r300, &r300->query_start); 86} 87 88static boolean r300_begin_query(struct pipe_context* pipe, 89 struct pipe_query* query) 90{ 91 struct r300_context* r300 = r300_context(pipe); 92 struct r300_query* q = r300_query(query); 93 94 if (q->type == PIPE_QUERY_GPU_FINISHED) 95 return true; 96 97 if (r300->query_current != NULL) { 98 fprintf(stderr, "r300: begin_query: " 99 "Some other query has already been started.\n"); 100 assert(0); 101 return false; 102 } 103 104 q->num_results = 0; 105 r300_resume_query(r300, q); 106 return true; 107} 108 109void r300_stop_query(struct r300_context *r300) 110{ 111 r300_emit_query_end(r300); 112 r300->query_current = NULL; 113} 114 115static bool r300_end_query(struct pipe_context* pipe, 116 struct pipe_query* query) 117{ 118 struct r300_context* r300 = r300_context(pipe); 119 struct r300_query *q = r300_query(query); 120 121 if (q->type == PIPE_QUERY_GPU_FINISHED) { 122 pb_reference(&q->buf, NULL); 123 r300_flush(pipe, RADEON_FLUSH_ASYNC, 124 (struct pipe_fence_handle**)&q->buf); 125 return true; 126 } 127 128 if (q != r300->query_current) { 129 fprintf(stderr, "r300: end_query: Got invalid query.\n"); 130 assert(0); 131 return false; 132 } 133 134 r300_stop_query(r300); 135 136 return true; 137} 138 139static boolean r300_get_query_result(struct pipe_context* pipe, 140 struct pipe_query* query, 141 boolean wait, 142 union pipe_query_result *vresult) 143{ 144 struct r300_context* r300 = r300_context(pipe); 145 struct r300_query *q = r300_query(query); 146 unsigned i; 147 uint32_t temp, *map; 148 149 if (q->type == PIPE_QUERY_GPU_FINISHED) { 150 if (wait) { 151 r300->rws->buffer_wait(q->buf, PIPE_TIMEOUT_INFINITE, 152 RADEON_USAGE_READWRITE); 153 vresult->b = TRUE; 154 } else { 155 vresult->b = r300->rws->buffer_wait(q->buf, 0, RADEON_USAGE_READWRITE); 156 } 157 return vresult->b; 158 } 159 160 map = r300->rws->buffer_map(q->buf, r300->cs, 161 PIPE_TRANSFER_READ | 162 (!wait ? PIPE_TRANSFER_DONTBLOCK : 0)); 163 if (!map) 164 return FALSE; 165 166 /* Sum up the results. */ 167 temp = 0; 168 for (i = 0; i < q->num_results; i++) { 169 /* Convert little endian values written by GPU to CPU byte order */ 170 temp += util_le32_to_cpu(*map); 171 map++; 172 } 173 174 if (q->type == PIPE_QUERY_OCCLUSION_PREDICATE) { 175 vresult->b = temp != 0; 176 } else { 177 vresult->u64 = temp; 178 } 179 return TRUE; 180} 181 182static void r300_render_condition(struct pipe_context *pipe, 183 struct pipe_query *query, 184 boolean condition, 185 uint mode) 186{ 187 struct r300_context *r300 = r300_context(pipe); 188 union pipe_query_result result; 189 boolean wait; 190 191 r300->skip_rendering = FALSE; 192 193 if (query) { 194 wait = mode == PIPE_RENDER_COND_WAIT || 195 mode == PIPE_RENDER_COND_BY_REGION_WAIT; 196 197 if (r300_get_query_result(pipe, query, wait, &result)) { 198 if (r300_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE) { 199 r300->skip_rendering = condition == result.b; 200 } else { 201 r300->skip_rendering = condition == !!result.u64; 202 } 203 } 204 } 205} 206 207static void 208r300_set_active_query_state(struct pipe_context *pipe, boolean enable) 209{ 210} 211 212void r300_init_query_functions(struct r300_context* r300) 213{ 214 r300->context.create_query = r300_create_query; 215 r300->context.destroy_query = r300_destroy_query; 216 r300->context.begin_query = r300_begin_query; 217 r300->context.end_query = r300_end_query; 218 r300->context.get_query_result = r300_get_query_result; 219 r300->context.set_active_query_state = r300_set_active_query_state; 220 r300->context.render_condition = r300_render_condition; 221} 222