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path: root/intel/tests/gen4-3d.batch
blob: e6911a438e740c493b1c7f3670cf1bc650f32e34 (plain)
ofshex dumpascii
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generated by cgit v1.2.3 (git 2.25.1) at 2025-12-05 06:30:18 +0000
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/*
 * Copyright 2012 Red Hat 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Ben Skeggs
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <assert.h>
#include <errno.h>

#include <xf86drm.h>
#include <xf86atomic.h>
#include "libdrm_lists.h"
#include "nouveau_drm.h"

#include "nouveau.h"
#include "private.h"

struct nouveau_pushbuf_krec {
	struct nouveau_pushbuf_krec *next;
	struct drm_nouveau_gem_pushbuf_bo buffer[NOUVEAU_GEM_MAX_BUFFERS];
	struct drm_nouveau_gem_pushbuf_reloc reloc[NOUVEAU_GEM_MAX_RELOCS];
	struct drm_nouveau_gem_pushbuf_push push[NOUVEAU_GEM_MAX_PUSH];
	int nr_buffer;
	int nr_reloc;
	int nr_push;
	uint64_t vram_used;
	uint64_t gart_used;
};

struct nouveau_pushbuf_priv {
	struct nouveau_pushbuf base;
	struct nouveau_pushbuf_krec *list;
	struct nouveau_pushbuf_krec *krec;
	struct nouveau_list bctx_list;
	struct nouveau_bo *bo;
	uint32_t type;
	uint32_t suffix0;
	uint32_t suffix1;
	uint32_t *ptr;
	uint32_t *bgn;
	int bo_next;
	int bo_nr;
	struct nouveau_bo *bos[];
};

static inline struct nouveau_pushbuf_priv *
nouveau_pushbuf(struct nouveau_pushbuf *push)
{
	return (struct nouveau_pushbuf_priv *)push;
}

static int pushbuf_validate(struct nouveau_pushbuf *, bool);
static int pushbuf_flush(struct nouveau_pushbuf *);

static bool
pushbuf_kref_fits(struct nouveau_pushbuf *push, struct nouveau_bo *bo,
		  uint32_t *domains)
{
	struct nouveau_pushbuf_priv *nvpb = nouveau_pushbuf(push);
	struct nouveau_pushbuf_krec *krec = nvpb->krec;
	struct nouveau_device *dev = push->client->device;
	struct nouveau_bo *kbo;
	struct drm_nouveau_gem_pushbuf_bo *kref;
	int i;

	/* VRAM is the only valid domain.  GART and VRAM|GART buffers
	 * are all accounted to GART, so if this doesn't fit in VRAM
	 * straight up, a flush is needed.
	 */
	if (*domains == NOUVEAU_GEM_DOMAIN_VRAM) {
		if (krec->vram_used + bo->size > dev->vram_limit)
			return false;
		krec->vram_used += bo->size;
		return true;
	}

	/* GART or VRAM|GART buffer.  Account both of these buffer types
	 * to GART only for the moment, which simplifies things.  If the
	 * buffer can fit already, we're done here.
	 */
	if (krec->gart_used + bo->size <= dev->gart_limit) {
		krec->gart_used += bo->size;
		return true;
	}

	/* Ran out of GART space, if it's a VRAM|GART buffer and it'll
	 * fit into available VRAM, turn it into a VRAM buffer
	 */
	if ((*domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
	    krec->vram_used + bo->size <= dev->vram_limit) {
		*domains &= NOUVEAU_GEM_DOMAIN_VRAM;
		krec->vram_used += bo->size;
		return true;
	}

	/* Still couldn't fit the buffer in anywhere, so as a last resort;
	 * scan the buffer list for VRAM|GART buffers and turn them into
	 * VRAM buffers until we have enough space in GART for this one
	 */
	kref = krec->buffer;
	for (i = 0; i < krec->nr_buffer; i++, kref++) {
		if (!(kref->valid_domains & NOUVEAU_GEM_DOMAIN_GART))
			continue;

		kbo = (void *)(unsigned long)kref->user_priv;
		if (!(kref->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) ||
		    krec->vram_used + kbo->size > dev->vram_limit)
			continue;

		kref->valid_domains &= NOUVEAU_GEM_DOMAIN_VRAM;
		krec->gart_used -= kbo->size;
		krec->vram_used += kbo->size;
		if (krec->gart_used + bo->size <= dev->gart_limit) {
			krec->gart_used += bo->size;
			return true;
		}
	}

	/* Couldn't resolve a placement, need to force a flush */
	return false;
}

static struct drm_nouveau_gem_pushbuf_bo *
pushbuf_kref(struct nouveau_pushbuf *push, struct nouveau_bo *bo,
	     uint32_t flags)
{
	struct nouveau_device *dev = push->client->device;
	struct nouveau_pushbuf_priv *nvpb = nouveau_pushbuf(push);
	struct nouveau_pushbuf_krec *krec = nvpb->krec;
	struct nouveau_pushbuf *fpush;
	struct drm_nouveau_gem_pushbuf_bo *kref;
	uint32_t domains, domains_wr, domains_rd;

	domains = 0;
	if (flags & NOUVEAU_BO_VRAM)
		domains |= NOUVEAU_GEM_DOMAIN_VRAM;
	if (flags & NOUVEAU_BO_GART)