Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  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/u_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.  
  32. static struct pipe_query *r300_create_query(struct pipe_context *pipe,
  33.                                             unsigned query_type)
  34. {
  35.     struct r300_context *r300 = r300_context(pipe);
  36.     struct r300_screen *r300screen = r300->screen;
  37.     struct r300_query *q;
  38.  
  39.     if (query_type != PIPE_QUERY_OCCLUSION_COUNTER &&
  40.         query_type != PIPE_QUERY_OCCLUSION_PREDICATE &&
  41.         query_type != PIPE_QUERY_GPU_FINISHED) {
  42.         return NULL;
  43.     }
  44.  
  45.     q = CALLOC_STRUCT(r300_query);
  46.     if (!q)
  47.         return NULL;
  48.  
  49.     q->type = query_type;
  50.  
  51.     if (query_type == PIPE_QUERY_GPU_FINISHED) {
  52.         return (struct pipe_query*)q;
  53.     }
  54.  
  55.     if (r300screen->caps.family == CHIP_RV530)
  56.         q->num_pipes = r300screen->info.r300_num_z_pipes;
  57.     else
  58.         q->num_pipes = r300screen->info.r300_num_gb_pipes;
  59.  
  60.     q->buf = r300->rws->buffer_create(r300->rws, 4096, 4096, TRUE,
  61.                                       RADEON_DOMAIN_GTT);
  62.     if (!q->buf) {
  63.         FREE(q);
  64.         return NULL;
  65.     }
  66.     q->cs_buf = r300->rws->buffer_get_cs_handle(q->buf);
  67.  
  68.     return (struct pipe_query*)q;
  69. }
  70.  
  71. static void r300_destroy_query(struct pipe_context* pipe,
  72.                                struct pipe_query* query)
  73. {
  74.     struct r300_query* q = r300_query(query);
  75.  
  76.     pb_reference(&q->buf, NULL);
  77.     FREE(query);
  78. }
  79.  
  80. void r300_resume_query(struct r300_context *r300,
  81.                        struct r300_query *query)
  82. {
  83.     r300->query_current = query;
  84.     r300_mark_atom_dirty(r300, &r300->query_start);
  85. }
  86.  
  87. static void r300_begin_query(struct pipe_context* pipe,
  88.                              struct pipe_query* query)
  89. {
  90.     struct r300_context* r300 = r300_context(pipe);
  91.     struct r300_query* q = r300_query(query);
  92.  
  93.     if (q->type == PIPE_QUERY_GPU_FINISHED)
  94.         return;
  95.  
  96.     if (r300->query_current != NULL) {
  97.         fprintf(stderr, "r300: begin_query: "
  98.                 "Some other query has already been started.\n");
  99.         assert(0);
  100.         return;
  101.     }
  102.  
  103.     q->num_results = 0;
  104.     r300_resume_query(r300, q);
  105. }
  106.  
  107. void r300_stop_query(struct r300_context *r300)
  108. {
  109.     r300_emit_query_end(r300);
  110.     r300->query_current = NULL;
  111. }
  112.  
  113. static void r300_end_query(struct pipe_context* pipe,
  114.                            struct pipe_query* query)
  115. {
  116.     struct r300_context* r300 = r300_context(pipe);
  117.     struct r300_query *q = r300_query(query);
  118.  
  119.     if (q->type == PIPE_QUERY_GPU_FINISHED) {
  120.         pb_reference(&q->buf, NULL);
  121.         r300_flush(pipe, RADEON_FLUSH_ASYNC,
  122.                    (struct pipe_fence_handle**)&q->buf);
  123.         return;
  124.     }
  125.  
  126.     if (q != r300->query_current) {
  127.         fprintf(stderr, "r300: end_query: Got invalid query.\n");
  128.         assert(0);
  129.         return;
  130.     }
  131.  
  132.     r300_stop_query(r300);
  133. }
  134.  
  135. static boolean r300_get_query_result(struct pipe_context* pipe,
  136.                                      struct pipe_query* query,
  137.                                      boolean wait,
  138.                                      union pipe_query_result *vresult)
  139. {
  140.     struct r300_context* r300 = r300_context(pipe);
  141.     struct r300_query *q = r300_query(query);
  142.     unsigned i;
  143.     uint32_t temp, *map;
  144.  
  145.     if (q->type == PIPE_QUERY_GPU_FINISHED) {
  146.         if (wait) {
  147.             r300->rws->buffer_wait(q->buf, RADEON_USAGE_READWRITE);
  148.             vresult->b = TRUE;
  149.         } else {
  150.             vresult->b = !r300->rws->buffer_is_busy(q->buf, RADEON_USAGE_READWRITE);
  151.         }
  152.         return vresult->b;
  153.     }
  154.  
  155.     map = r300->rws->buffer_map(q->cs_buf, r300->cs,
  156.                                 PIPE_TRANSFER_READ |
  157.                                 (!wait ? PIPE_TRANSFER_DONTBLOCK : 0));
  158.     if (!map)
  159.         return FALSE;
  160.  
  161.     /* Sum up the results. */
  162.     temp = 0;
  163.     for (i = 0; i < q->num_results; i++) {
  164.         /* Convert little endian values written by GPU to CPU byte order */
  165.         temp += util_le32_to_cpu(*map);
  166.         map++;
  167.     }
  168.  
  169.     r300->rws->buffer_unmap(q->cs_buf);
  170.  
  171.     if (q->type == PIPE_QUERY_OCCLUSION_PREDICATE) {
  172.         vresult->b = temp != 0;
  173.     } else {
  174.         vresult->u64 = temp;
  175.     }
  176.     return TRUE;
  177. }
  178.  
  179. static void r300_render_condition(struct pipe_context *pipe,
  180.                                   struct pipe_query *query,
  181.                                   boolean condition,
  182.                                   uint mode)
  183. {
  184.     struct r300_context *r300 = r300_context(pipe);
  185.     union pipe_query_result result;
  186.     boolean wait;
  187.  
  188.     r300->skip_rendering = FALSE;
  189.  
  190.     if (query) {
  191.         wait = mode == PIPE_RENDER_COND_WAIT ||
  192.                mode == PIPE_RENDER_COND_BY_REGION_WAIT;
  193.  
  194.         if (r300_get_query_result(pipe, query, wait, &result)) {
  195.             if (r300_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE) {
  196.                 r300->skip_rendering = condition == result.b;
  197.             } else {
  198.                 r300->skip_rendering = condition == !!result.u64;
  199.             }
  200.         }
  201.     }
  202. }
  203.  
  204. void r300_init_query_functions(struct r300_context* r300)
  205. {
  206.     r300->context.create_query = r300_create_query;
  207.     r300->context.destroy_query = r300_destroy_query;
  208.     r300->context.begin_query = r300_begin_query;
  209.     r300->context.end_query = r300_end_query;
  210.     r300->context.get_query_result = r300_get_query_result;
  211.     r300->context.render_condition = r300_render_condition;
  212. }
  213.