| /* |
| * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com> |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, and/or sell copies of the Software, and to permit persons to whom |
| * the Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
| |
| #include "util/u_memory.h" |
| #include "util/u_simple_list.h" |
| |
| #include "r300_context.h" |
| #include "r300_screen.h" |
| #include "r300_emit.h" |
| |
| #include <stdio.h> |
| |
| static struct pipe_query *r300_create_query(struct pipe_context *pipe, |
| unsigned query_type) |
| { |
| struct r300_context *r300 = r300_context(pipe); |
| struct r300_screen *r300screen = r300->screen; |
| struct r300_query *q; |
| |
| if (query_type != PIPE_QUERY_OCCLUSION_COUNTER && |
| query_type != PIPE_QUERY_OCCLUSION_PREDICATE && |
| query_type != PIPE_QUERY_GPU_FINISHED) { |
| return NULL; |
| } |
| |
| q = CALLOC_STRUCT(r300_query); |
| if (!q) |
| return NULL; |
| |
| q->type = query_type; |
| |
| if (query_type == PIPE_QUERY_GPU_FINISHED) { |
| return (struct pipe_query*)q; |
| } |
| |
| if (r300screen->caps.family == CHIP_FAMILY_RV530) |
| q->num_pipes = r300screen->info.r300_num_z_pipes; |
| else |
| q->num_pipes = r300screen->info.r300_num_gb_pipes; |
| |
| q->buf = r300->rws->buffer_create(r300->rws, 4096, 4096, |
| PIPE_BIND_CUSTOM, RADEON_DOMAIN_GTT); |
| if (!q->buf) { |
| FREE(q); |
| return NULL; |
| } |
| q->cs_buf = r300->rws->buffer_get_cs_handle(q->buf); |
| |
| return (struct pipe_query*)q; |
| } |
| |
| static void r300_destroy_query(struct pipe_context* pipe, |
| struct pipe_query* query) |
| { |
| struct r300_query* q = r300_query(query); |
| |
| pb_reference(&q->buf, NULL); |
| FREE(query); |
| } |
| |
| void r300_resume_query(struct r300_context *r300, |
| struct r300_query *query) |
| { |
| r300->query_current = query; |
| r300_mark_atom_dirty(r300, &r300->query_start); |
| } |
| |
| static void r300_begin_query(struct pipe_context* pipe, |
| struct pipe_query* query) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct r300_query* q = r300_query(query); |
| |
| if (q->type == PIPE_QUERY_GPU_FINISHED) |
| return; |
| |
| if (r300->query_current != NULL) { |
| fprintf(stderr, "r300: begin_query: " |
| "Some other query has already been started.\n"); |
| assert(0); |
| return; |
| } |
| |
| q->num_results = 0; |
| r300_resume_query(r300, q); |
| } |
| |
| void r300_stop_query(struct r300_context *r300) |
| { |
| r300_emit_query_end(r300); |
| r300->query_current = NULL; |
| } |
| |
| static void r300_end_query(struct pipe_context* pipe, |
| struct pipe_query* query) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct r300_query *q = r300_query(query); |
| |
| if (q->type == PIPE_QUERY_GPU_FINISHED) { |
| pb_reference(&q->buf, NULL); |
| r300_flush(pipe, RADEON_FLUSH_ASYNC, |
| (struct pipe_fence_handle**)&q->buf); |
| return; |
| } |
| |
| if (q != r300->query_current) { |
| fprintf(stderr, "r300: end_query: Got invalid query.\n"); |
| assert(0); |
| return; |
| } |
| |
| r300_stop_query(r300); |
| } |
| |
| static boolean r300_get_query_result(struct pipe_context* pipe, |
| struct pipe_query* query, |
| boolean wait, |
| union pipe_query_result *vresult) |
| { |
| struct r300_context* r300 = r300_context(pipe); |
| struct r300_query *q = r300_query(query); |
| unsigned i; |
| uint32_t temp, *map; |
| |
| if (q->type == PIPE_QUERY_GPU_FINISHED) { |
| if (wait) { |
| r300->rws->buffer_wait(q->buf, RADEON_USAGE_READWRITE); |
| vresult->b = TRUE; |
| } else { |
| vresult->b = !r300->rws->buffer_is_busy(q->buf, RADEON_USAGE_READWRITE); |
| } |
| return vresult->b; |
| } |
| |
| map = r300->rws->buffer_map(q->cs_buf, r300->cs, |
| PIPE_TRANSFER_READ | |
| (!wait ? PIPE_TRANSFER_DONTBLOCK : 0)); |
| if (!map) |
| return FALSE; |
| |
| /* Sum up the results. */ |
| temp = 0; |
| for (i = 0; i < q->num_results; i++) { |
| /* Convert little endian values written by GPU to CPU byte order */ |
| temp += util_le32_to_cpu(*map); |
| map++; |
| } |
| |
| r300->rws->buffer_unmap(q->cs_buf); |
| |
| if (q->type == PIPE_QUERY_OCCLUSION_PREDICATE) { |
| vresult->b = temp != 0; |
| } else { |
| vresult->u64 = temp; |
| } |
| return TRUE; |
| } |
| |
| static void r300_render_condition(struct pipe_context *pipe, |
| struct pipe_query *query, |
| uint mode) |
| { |
| struct r300_context *r300 = r300_context(pipe); |
| union pipe_query_result result; |
| boolean wait; |
| |
| r300->skip_rendering = FALSE; |
| |
| if (query) { |
| wait = mode == PIPE_RENDER_COND_WAIT || |
| mode == PIPE_RENDER_COND_BY_REGION_WAIT; |
| |
| if (r300_get_query_result(pipe, query, wait, &result)) { |
| if (r300_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE) { |
| r300->skip_rendering = !result.b; |
| } else { |
| r300->skip_rendering = !result.u64; |
| } |
| } |
| } |
| } |
| |
| void r300_init_query_functions(struct r300_context* r300) |
| { |
| r300->context.create_query = r300_create_query; |
| r300->context.destroy_query = r300_destroy_query; |
| r300->context.begin_query = r300_begin_query; |
| r300->context.end_query = r300_end_query; |
| r300->context.get_query_result = r300_get_query_result; |
| r300->context.render_condition = r300_render_condition; |
| } |