+++ /dev/null
-/*
- * Mesa 3-D graphics library
- *
- * Copyright (C) 2012-2013 LunarG, Inc.
- *
- * 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
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- *
- * Authors:
- * Chia-I Wu <olv@lunarg.com>
- */
-
-#include "core/ilo_builder_mi.h"
-#include "core/intel_winsys.h"
-
-#include "ilo_shader.h"
-#include "ilo_cp.h"
-
-static const struct ilo_cp_owner ilo_cp_default_owner;
-
-static void
-ilo_cp_release_owner(struct ilo_cp *cp)
-{
- if (cp->owner != &ilo_cp_default_owner) {
- const struct ilo_cp_owner *owner = cp->owner;
-
- cp->owner = &ilo_cp_default_owner;
-
- assert(ilo_cp_space(cp) >= owner->reserve);
- owner->release(cp, owner->data);
- }
-}
-
-/**
- * Set the parser owner. If this is a new owner or a new ring, the old owner
- * is released and the new owner's own() is called. The parser may implicitly
- * submit if there is a ring change.
- *
- * own() is called before \p owner owns the parser. It must make sure there
- * is more space than \p owner->reserve when it returns. Calling
- * ilo_cp_submit() is allowed.
- *
- * release() will be called after \p owner loses the parser. That may happen
- * just before the parser submits and ilo_cp_submit() is not allowed.
- */
-void
-ilo_cp_set_owner(struct ilo_cp *cp, enum intel_ring_type ring,
- const struct ilo_cp_owner *owner)
-{
- if (!owner)
- owner = &ilo_cp_default_owner;
-
- if (cp->ring != ring) {
- ilo_cp_submit(cp, "ring change");
- cp->ring = ring;
- }
-
- if (cp->owner != owner) {
- ilo_cp_release_owner(cp);
-
- owner->own(cp, owner->data);
-
- assert(ilo_cp_space(cp) >= owner->reserve);
- cp->owner = owner;
- }
-}
-
-static struct intel_bo *
-ilo_cp_end_batch(struct ilo_cp *cp, unsigned *used)
-{
- struct intel_bo *bo;
-
- ilo_cp_release_owner(cp);
-
- if (!ilo_builder_batch_used(&cp->builder)) {
- ilo_builder_batch_discard(&cp->builder);
- return NULL;
- }
-
- /* see ilo_cp_space() */
- assert(ilo_builder_batch_space(&cp->builder) >= 2);
- gen6_mi_batch_buffer_end(&cp->builder);
-
- bo = ilo_builder_end(&cp->builder, used);
-
- /* we have to assume that kernel uploads also failed */
- if (!bo)
- ilo_shader_cache_invalidate(cp->shader_cache);
-
- return bo;
-}
-
-static bool
-ilo_cp_detect_hang(struct ilo_cp *cp)
-{
- uint32_t active_lost, pending_lost;
- bool guilty = false;
-
- if (likely(!(ilo_debug & ILO_DEBUG_HANG)))
- return false;
-
- /* wait and get reset stats */
- if (intel_bo_wait(cp->last_submitted_bo, -1) ||
- intel_winsys_get_reset_stats(cp->winsys, cp->render_ctx,
- &active_lost, &pending_lost))
- return false;
-
- if (cp->active_lost != active_lost) {
- ilo_err("GPU hang caused by bo %p\n", cp->last_submitted_bo);
- cp->active_lost = active_lost;
- guilty = true;
- }
-
- if (cp->pending_lost != pending_lost) {
- ilo_err("GPU hang detected\n");
- cp->pending_lost = pending_lost;
- }
-
- return guilty;
-}
-
-/**
- * Flush the command parser and execute the commands. When the parser buffer
- * is empty, the callback is not invoked.
- */
-void
-ilo_cp_submit_internal(struct ilo_cp *cp)
-{
- const bool do_exec = !(ilo_debug & ILO_DEBUG_NOHW);
- struct intel_bo *bo;
- unsigned used;
- int err;
-
- bo = ilo_cp_end_batch(cp, &used);
- if (!bo)
- return;
-
- if (likely(do_exec)) {
- err = intel_winsys_submit_bo(cp->winsys, cp->ring,
- bo, used, cp->render_ctx, cp->one_off_flags);
- }
- else {
- err = 0;
- }
-
- cp->one_off_flags = 0;
-
- if (!err) {
- bool guilty;
-
- intel_bo_unref(cp->last_submitted_bo);
- cp->last_submitted_bo = intel_bo_ref(bo);
-
- guilty = ilo_cp_detect_hang(cp);
-
- if (unlikely((ilo_debug & ILO_DEBUG_BATCH) || guilty)) {
- ilo_builder_decode(&cp->builder);
- if (guilty)
- abort();
- }
-
- if (cp->submit_callback)
- cp->submit_callback(cp, cp->submit_callback_data);
- }
-
- ilo_builder_begin(&cp->builder);
-}
-
-/**
- * Destroy the command parser.
- */
-void
-ilo_cp_destroy(struct ilo_cp *cp)
-{
- ilo_builder_reset(&cp->builder);
-
- intel_winsys_destroy_context(cp->winsys, cp->render_ctx);
- FREE(cp);
-}
-
-/**
- * Create a command parser.
- */
-struct ilo_cp *
-ilo_cp_create(const struct ilo_dev *dev,
- struct intel_winsys *winsys,
- struct ilo_shader_cache *shc)
-{
- struct ilo_cp *cp;
-
- cp = CALLOC_STRUCT(ilo_cp);
- if (!cp)
- return NULL;
-
- cp->winsys = winsys;
- cp->shader_cache = shc;
- cp->render_ctx = intel_winsys_create_context(winsys);
- if (!cp->render_ctx) {
- FREE(cp);
- return NULL;
- }
-
- cp->ring = INTEL_RING_RENDER;
- cp->owner = &ilo_cp_default_owner;
-
- ilo_builder_init(&cp->builder, dev, winsys);
-
- if (!ilo_builder_begin(&cp->builder)) {
- ilo_cp_destroy(cp);
- return NULL;
- }
-
- return cp;
-}
projects / mesa.git / blobdiff