/* * Copyright 2009 Corbin Simpson * * 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/simple_list.h" #include "r300_context.h" #include "r300_screen.h" #include "r300_emit.h" #include static struct pipe_query *r300_create_query(struct pipe_context *pipe, unsigned query_type, unsigned index) { 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_OCCLUSION_PREDICATE_CONSERVATIVE && 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_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, r300screen->info.gart_page_size, r300screen->info.gart_page_size, RADEON_DOMAIN_GTT, 0); if (!q->buf) { FREE(q); return NULL; } 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 boolean 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 true; if (r300->query_current != NULL) { fprintf(stderr, "r300: begin_query: " "Some other query has already been started.\n"); assert(0); return false; } q->num_results = 0; r300_resume_query(r300, q); return true; } void r300_stop_query(struct r300_context *r300) { r300_emit_query_end(r300); r300->query_current = NULL; } static bool 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 true; } if (q != r300->query_current) { fprintf(stderr, "r300: end_query: Got invalid query.\n"); assert(0); return false; } r300_stop_query(r300); return true; } 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, PIPE_TIMEOUT_INFINITE, RADEON_USAGE_READWRITE); vresult->b = TRUE; } else { vresult->b = r300->rws->buffer_wait(q->buf, 0, RADEON_USAGE_READWRITE); } return vresult->b; } map = r300->rws->buffer_map(q->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++; } if (q->type == PIPE_QUERY_OCCLUSION_PREDICATE || q->type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) { vresult->b = temp != 0; } else { vresult->u64 = temp; } return TRUE; } static void r300_render_condition(struct pipe_context *pipe, struct pipe_query *query, boolean condition, enum pipe_render_cond_flag 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_query(query)->type == PIPE_QUERY_OCCLUSION_PREDICATE_CONSERVATIVE) { r300->skip_rendering = condition == result.b; } else { r300->skip_rendering = condition == !!result.u64; } } } } static void r300_set_active_query_state(struct pipe_context *pipe, boolean enable) { } 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.set_active_query_state = r300_set_active_query_state; r300->context.render_condition = r300_render_condition; }