/* * Copyright 2010 Jerome Glisse <glisse@freedesktop.org> * * 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 "r600_pipe.h" #include "r600d.h" #include "util/u_memory.h" static bool r600_is_timer_query(unsigned type) { return type == PIPE_QUERY_TIME_ELAPSED || type == PIPE_QUERY_TIMESTAMP || type == PIPE_QUERY_TIMESTAMP_DISJOINT; } static bool r600_query_needs_begin(unsigned type) { return type != PIPE_QUERY_GPU_FINISHED && type != PIPE_QUERY_TIMESTAMP; } static struct r600_resource *r600_new_query_buffer(struct r600_context *ctx, unsigned type) { unsigned j, i, num_results, buf_size = 4096; uint32_t *results; /* Queries are normally read by the CPU after * being written by the gpu, hence staging is probably a good * usage pattern. */ struct r600_resource *buf = (struct r600_resource*) pipe_buffer_create(&ctx->screen->screen, PIPE_BIND_CUSTOM, PIPE_USAGE_STAGING, buf_size); switch (type) { case PIPE_QUERY_OCCLUSION_COUNTER: case PIPE_QUERY_OCCLUSION_PREDICATE: results = ctx->ws->buffer_map(buf->cs_buf, ctx->cs, PIPE_TRANSFER_WRITE); memset(results, 0, buf_size); /* Set top bits for unused backends. */ num_results = buf_size / (16 * ctx->max_db); for (j = 0; j < num_results; j++) { for (i = 0; i < ctx->max_db; i++) { if (!(ctx->backend_mask & (1<<i))) { results[(i * 4)+1] = 0x80000000; results[(i * 4)+3] = 0x80000000; } } results += 4 * ctx->max_db; } ctx->ws->buffer_unmap(buf->cs_buf); break; case PIPE_QUERY_TIME_ELAPSED: case PIPE_QUERY_TIMESTAMP: break; case PIPE_QUERY_PRIMITIVES_EMITTED: case PIPE_QUERY_PRIMITIVES_GENERATED: case PIPE_QUERY_SO_STATISTICS: case PIPE_QUERY_SO_OVERFLOW_PREDICATE: results = ctx->ws->buffer_map(buf->cs_buf, ctx->cs, PIPE_TRANSFER_WRITE); memset(results, 0, buf_size); ctx->ws->buffer_unmap(buf->cs_buf); break; default: assert(0); } return buf; } static void r600_update_occlusion_query_state(struct r600_context *rctx, unsigned type, int diff) { if (type == PIPE_QUERY_OCCLUSION_COUNTER || type == PIPE_QUERY_OCCLUSION_PREDICATE) { bool enable; rctx->num_occlusion_queries += diff; assert(rctx->num_occlusion_queries >= 0); enable = rctx->num_occlusion_queries != 0; if (rctx->db_misc_state.occlusion_query_enabled != enable) { rctx->db_misc_state.occlusion_query_enabled = enable; rctx->db_misc_state.atom.dirty = true; } } } static void r600_emit_query_begin(struct r600_context *ctx, struct r600_query *query) { struct radeon_winsys_cs *cs = ctx->cs; uint64_t va; r600_update_occlusion_query_state(ctx, query->type, 1); r600_need_cs_space(ctx, query->num_cs_dw * 2, TRUE); /* Get a new query buffer if needed. */ if (query->buffer.results_end + query->result_size > query->buffer.buf->b.b.width0) { struct r600_query_buffer *qbuf = MALLOC_STRUCT(r600_query_buffer); *qbuf = query->buffer; query->buffer.buf = r600_new_query_buffer(ctx, query->type); query->buffer.results_end = 0; query->buffer.previous = qbuf; } /* emit begin query */ va = r600_resource_va(&ctx->screen->screen, (void*)query->buffer.buf); va += query->buffer.results_end; switch (query->type) { case PIPE_QUERY_OCCLUSION_COUNTER: case PIPE_QUERY_OCCLUSION_PREDICATE: cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 2, 0); cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_ZPASS_DONE) | EVENT_INDEX(1); cs->buf[cs->cdw++] = va; cs->buf[cs->cdw++] = (va >> 32UL) & 0xFF; break; case PIPE_QUERY_PRIMITIVES_EMITTED: case PIPE_QUERY_PRIMITIVES_GENERATED: case PIPE_QUERY_SO_STATISTICS: case PIPE_QUERY_SO_OVERFLOW_PREDICATE: cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 2, 0); cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_SAMPLE_STREAMOUTSTATS) | EVENT_INDEX(3); cs->buf[cs->cdw++] = va; cs->buf[cs->cdw++] = (va >> 32UL) & 0xFF; break; case PIPE_QUERY_TIME_ELAPSED: cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE_EOP, 4, 0); cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5); cs->buf[cs->cdw++] = va; cs->buf[cs->cdw++] = (3 << 29) | ((va >> 32UL) & 0xFF); cs->buf[cs->cdw++] = 0; cs->buf[cs->cdw++] = 0; break; default: assert(0); } cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0); cs->buf[cs->cdw++] = r600_context_bo_reloc(ctx, query->buffer.buf, RADEON_USAGE_WRITE); if (r600_is_timer_query(query->type)) { ctx->num_cs_dw_timer_queries_suspend += query->num_cs_dw; } else { ctx->num_cs_dw_nontimer_queries_suspend += query->num_cs_dw; } } static void r600_emit_query_end(struct r600_context *ctx, struct r600_query *query) { struct radeon_winsys_cs *cs = ctx->cs; uint64_t va; /* The queries which need begin already called this in begin_query. */ if (!r600_query_needs_begin(query->type)) { r600_need_cs_space(ctx, query->num_cs_dw, FALSE); } va = r600_resource_va(&ctx->screen->screen, (void*)query->buffer.buf); /* emit end query */ switch (query->type) { case PIPE_QUERY_OCCLUSION_COUNTER: case PIPE_QUERY_OCCLUSION_PREDICATE: va += query->buffer.results_end + 8; cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 2, 0); cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_ZPASS_DONE) | EVENT_INDEX(1); cs->buf[cs->cdw++] = va; cs->buf[cs->cdw++] = (va >> 32UL) & 0xFF; break; case PIPE_QUERY_PRIMITIVES_EMITTED: case PIPE_QUERY_PRIMITIVES_GENERATED: case PIPE_QUERY_SO_STATISTICS: case PIPE_QUERY_SO_OVERFLOW_PREDICATE: cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE, 2, 0); cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_SAMPLE_STREAMOUTSTATS) | EVENT_INDEX(3); cs->buf[cs->cdw++] = query->buffer.results_end + query->result_size/2; cs->buf[cs->cdw++] = 0; break; case PIPE_QUERY_TIME_ELAPSED: va += query->buffer.results_end + query->result_size/2; /* fall through */ case PIPE_QUERY_TIMESTAMP: cs->buf[cs->cdw++] = PKT3(PKT3_EVENT_WRITE_EOP, 4, 0); cs->buf[cs->cdw++] = EVENT_TYPE(EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5); cs->buf[cs->cdw++] = va; cs->buf[cs->cdw++] = (3 << 29) | ((va >> 32UL) & 0xFF); cs->buf[cs->cdw++] = 0; cs->buf[cs->cdw++] = 0; break; default: assert(0); } cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0); cs->buf[cs->cdw++] = r600_context_bo_reloc(ctx, query->buffer.buf, RADEON_USAGE_WRITE); query->buffer.results_end += query->result_size; if (r600_query_needs_begin(query->type)) { if (r600_is_timer_query(query->type)) { ctx->num_cs_dw_timer_queries_suspend -= query->num_cs_dw; } else { ctx->num_cs_dw_nontimer_queries_suspend -= query->num_cs_dw; } } r600_update_occlusion_query_state(ctx, query->type, -1); } static void r600_emit_query_predication(struct r600_context *ctx, struct r600_query *query, int operation, bool flag_wait) { struct radeon_winsys_cs *cs = ctx->cs; if (operation == PREDICATION_OP_CLEAR) { r600_need_cs_space(ctx, 3, FALSE); cs->buf[cs->cdw++] = PKT3(PKT3_SET_PREDICATION, 1, 0); cs->buf[cs->cdw++] = 0; cs->buf[cs->cdw++] = PRED_OP(PREDICATION_OP_CLEAR); } else { struct r600_query_buffer *qbuf; unsigned count; uint32_t op; /* Find how many results there are. */ count = 0; for (qbuf = &query->buffer; qbuf; qbuf = qbuf->previous) { count += qbuf->results_end / query->result_size; } r600_need_cs_space(ctx, 5 * count, TRUE); op = PRED_OP(operation) | PREDICATION_DRAW_VISIBLE | (flag_wait ? PREDICATION_HINT_WAIT : PREDICATION_HINT_NOWAIT_DRAW); /* emit predicate packets for all data blocks */ for (qbuf = &query->buffer; qbuf; qbuf = qbuf->previous) { unsigned results_base = 0; uint64_t va = r600_resource_va(&ctx->screen->screen, &qbuf->buf->b.b); while (results_base < qbuf->results_end) { cs->buf[cs->cdw++] = PKT3(PKT3_SET_PREDICATION, 1, 0); cs->buf[cs->cdw++] = (va + results_base) & 0xFFFFFFFFUL; cs->buf[cs->cdw++] = op | (((va + results_base) >> 32UL) & 0xFF); cs->buf[cs->cdw++] = PKT3(PKT3_NOP, 0, 0); cs->buf[cs->cdw++] = r600_context_bo_reloc(ctx, qbuf->buf, RADEON_USAGE_READ); results_base += query->result_size; /* set CONTINUE bit for all packets except the first */ op |= PREDICATION_CONTINUE; } } while (qbuf); } } static struct pipe_query *r600_create_query(struct pipe_context *ctx, unsigned query_type) { struct r600_context *rctx = (struct r600_context *)ctx; struct r600_query *query; query = CALLOC_STRUCT(r600_query); if (query == NULL) return NULL; query->type = query_type; switch (query_type) { case PIPE_QUERY_OCCLUSION_COUNTER: case PIPE_QUERY_OCCLUSION_PREDICATE: query->result_size = 16 * rctx->max_db; query->num_cs_dw = 6; break; case PIPE_QUERY_TIME_ELAPSED: query->result_size = 16; query->num_cs_dw = 8; break; case PIPE_QUERY_TIMESTAMP: query->result_size = 8; query->num_cs_dw = 8; break; case PIPE_QUERY_PRIMITIVES_EMITTED: case PIPE_QUERY_PRIMITIVES_GENERATED: case PIPE_QUERY_SO_STATISTICS: case PIPE_QUERY_SO_OVERFLOW_PREDICATE: /* NumPrimitivesWritten, PrimitiveStorageNeeded. */ query->result_size = 32; query->num_cs_dw = 6; break; default: assert(0); FREE(query); return NULL; } query->buffer.buf = r600_new_query_buffer(rctx, query_type); if (!query->buffer.buf) { FREE(query); return NULL; } return (struct pipe_query*)query; } static void r600_destroy_query(struct pipe_context *ctx, struct pipe_query *query) { struct r600_query *rquery = (struct r600_query*)query; struct r600_query_buffer *prev = rquery->buffer.previous; /* Release all query buffers. */ while (prev) { struct r600_query_buffer *qbuf = prev; prev = prev->previous; pipe_resource_reference((struct pipe_resource**)&qbuf->buf, NULL); FREE(qbuf); } pipe_resource_reference((struct pipe_resource**)&rquery->buffer.buf, NULL); FREE(query); } static void r600_begin_query(struct pipe_context *ctx, struct pipe_query *query) { struct r600_context *rctx = (struct r600_context *)ctx; struct r600_query *rquery = (struct r600_query *)query; struct r600_query_buffer *prev = rquery->buffer.previous; if (!r600_query_needs_begin(rquery->type)) { assert(0); return; } /* Discard the old query buffers. */ while (prev) { struct r600_query_buffer *qbuf = prev; prev = prev->previous; pipe_resource_reference((struct pipe_resource**)&qbuf->buf, NULL); FREE(qbuf); } /* Obtain a new buffer if the current one can't be mapped without a stall. */ if (rctx->ws->cs_is_buffer_referenced(rctx->cs, rquery->buffer.buf->cs_buf, RADEON_USAGE_READWRITE) || rctx->ws->buffer_is_busy(rquery->buffer.buf->buf, RADEON_USAGE_READWRITE)) { pipe_resource_reference((struct pipe_resource**)&rquery->buffer.buf, NULL); rquery->buffer.buf = r600_new_query_buffer(rctx, rquery->type); } rquery->buffer.results_end = 0; rquery->buffer.previous = NULL; r600_emit_query_begin(rctx, rquery); if (r600_is_timer_query(rquery->type)) { LIST_ADDTAIL(&rquery->list, &rctx->active_timer_queries); } else { LIST_ADDTAIL(&rquery->list, &rctx->active_nontimer_queries); } } static void r600_end_query(struct pipe_context *ctx, struct pipe_query *query) { struct r600_context *rctx = (struct r600_context *)ctx; struct r600_query *rquery = (struct r600_query *)query; r600_emit_query_end(rctx, rquery); if (r600_query_needs_begin(rquery->type)) { LIST_DELINIT(&rquery->list); } } static unsigned r600_query_read_result(char *map, unsigned start_index, unsigned end_index, bool test_status_bit) { uint32_t *current_result = (uint32_t*)map; uint64_t start, end; start = (uint64_t)current_result[start_index] | (uint64_t)current_result[start_index+1] << 32; end = (uint64_t)current_result[end_index] | (uint64_t)current_result[end_index+1] << 32; if (!test_status_bit || ((start & 0x8000000000000000UL) && (end & 0x8000000000000000UL))) { return end - start; } return 0; } static boolean r600_get_query_buffer_result(struct r600_context *ctx, struct r600_query *query, struct r600_query_buffer *qbuf, boolean wait, union pipe_query_result *result) { unsigned results_base = 0; char *map; map = ctx->ws->buffer_map(qbuf->buf->cs_buf, ctx->cs, PIPE_TRANSFER_READ | (wait ? 0 : PIPE_TRANSFER_DONTBLOCK)); if (!map) return FALSE; /* count all results across all data blocks */ switch (query->type) { case PIPE_QUERY_OCCLUSION_COUNTER: while (results_base != qbuf->results_end) { result->u64 += r600_query_read_result(map + results_base, 0, 2, true); results_base += 16; } break; case PIPE_QUERY_OCCLUSION_PREDICATE: while (results_base != qbuf->results_end) { result->b = result->b || r600_query_read_result(map + results_base, 0, 2, true) != 0; results_base += 16; } break; case PIPE_QUERY_TIME_ELAPSED: while (results_base != qbuf->results_end) { result->u64 += r600_query_read_result(map + results_base, 0, 2, false); results_base += query->result_size; } break; case PIPE_QUERY_TIMESTAMP: { uint32_t *current_result = (uint32_t*)map; result->u64 = (uint64_t)current_result[0] | (uint64_t)current_result[1] << 32; break; } case PIPE_QUERY_PRIMITIVES_EMITTED: /* SAMPLE_STREAMOUTSTATS stores this structure: * { * u64 NumPrimitivesWritten; * u64 PrimitiveStorageNeeded; * } * We only need NumPrimitivesWritten here. */ while (results_base != qbuf->results_end) { result->u64 += r600_query_read_result(map + results_base, 2, 6, true); results_base += query->result_size; } break; case PIPE_QUERY_PRIMITIVES_GENERATED: /* Here we read PrimitiveStorageNeeded. */ while (results_base != qbuf->results_end) { result->u64 += r600_query_read_result(map + results_base, 0, 4, true); results_base += query->result_size; } break; case PIPE_QUERY_SO_STATISTICS: while (results_base != qbuf->results_end) { result->so_statistics.num_primitives_written += r600_query_read_result(map + results_base, 2, 6, true); result->so_statistics.primitives_storage_needed += r600_query_read_result(map + results_base, 0, 4, true); results_base += query->result_size; } break; case PIPE_QUERY_SO_OVERFLOW_PREDICATE: while (results_base != qbuf->results_end) { result->b = result->b || r600_query_read_result(map + results_base, 2, 6, true) != r600_query_read_result(map + results_base, 0, 4, true); results_base += query->result_size; } break; default: assert(0); } ctx->ws->buffer_unmap(qbuf->buf->cs_buf); return TRUE; } static boolean r600_get_query_result(struct pipe_context *ctx, struct pipe_query *query, boolean wait, union pipe_query_result *result) { struct r600_context *rctx = (struct r600_context *)ctx; struct r600_query *rquery = (struct r600_query *)query; struct r600_query_buffer *qbuf; util_query_clear_result(result, rquery->type); for (qbuf = &rquery->buffer; qbuf; qbuf = qbuf->previous) { if (!r600_get_query_buffer_result(rctx, rquery, qbuf, wait, result)) { return FALSE; } } /* Convert the time to expected units. */ if (rquery->type == PIPE_QUERY_TIME_ELAPSED || rquery->type == PIPE_QUERY_TIMESTAMP) { result->u64 = (1000000 * result->u64) / rctx->screen->info.r600_clock_crystal_freq; } return TRUE; } static void r600_render_condition(struct pipe_context *ctx, struct pipe_query *query, uint mode) { struct r600_context *rctx = (struct r600_context *)ctx; struct r600_query *rquery = (struct r600_query *)query; bool wait_flag = false; rctx->current_render_cond = query; rctx->current_render_cond_mode = mode; if (query == NULL) { if (rctx->predicate_drawing) { rctx->predicate_drawing = false; r600_emit_query_predication(rctx, NULL, PREDICATION_OP_CLEAR, false); } return; } if (mode == PIPE_RENDER_COND_WAIT || mode == PIPE_RENDER_COND_BY_REGION_WAIT) { wait_flag = true; } rctx->predicate_drawing = true; switch (rquery->type) { case PIPE_QUERY_OCCLUSION_COUNTER: case PIPE_QUERY_OCCLUSION_PREDICATE: r600_emit_query_predication(rctx, rquery, PREDICATION_OP_ZPASS, wait_flag); break; case PIPE_QUERY_PRIMITIVES_EMITTED: case PIPE_QUERY_PRIMITIVES_GENERATED: case PIPE_QUERY_SO_STATISTICS: case PIPE_QUERY_SO_OVERFLOW_PREDICATE: r600_emit_query_predication(rctx, rquery, PREDICATION_OP_PRIMCOUNT, wait_flag); break; default: assert(0); } } void r600_suspend_nontimer_queries(struct r600_context *ctx) { struct r600_query *query; LIST_FOR_EACH_ENTRY(query, &ctx->active_nontimer_queries, list) { r600_emit_query_end(ctx, query); } assert(ctx->num_cs_dw_nontimer_queries_suspend == 0); } void r600_resume_nontimer_queries(struct r600_context *ctx) { struct r600_query *query; assert(ctx->num_cs_dw_nontimer_queries_suspend == 0); LIST_FOR_EACH_ENTRY(query, &ctx->active_nontimer_queries, list) { r600_emit_query_begin(ctx, query); } } void r600_suspend_timer_queries(struct r600_context *ctx) { struct r600_query *query; LIST_FOR_EACH_ENTRY(query, &ctx->active_timer_queries, list) { r600_emit_query_end(ctx, query); } assert(ctx->num_cs_dw_timer_queries_suspend == 0); } void r600_resume_timer_queries(struct r600_context *ctx) { struct r600_query *query; assert(ctx->num_cs_dw_timer_queries_suspend == 0); LIST_FOR_EACH_ENTRY(query, &ctx->active_timer_queries, list) { r600_emit_query_begin(ctx, query); } } void r600_init_query_functions(struct r600_context *rctx) { rctx->context.create_query = r600_create_query; rctx->context.destroy_query = r600_destroy_query; rctx->context.begin_query = r600_begin_query; rctx->context.end_query = r600_end_query; rctx->context.get_query_result = r600_get_query_result; if (rctx->screen->info.r600_num_backends > 0) rctx->context.render_condition = r600_render_condition; }