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Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_bufmgr_ttm.c')
l---------[-rw-r--r--]src/mesa/drivers/dri/i915/intel_bufmgr_ttm.c834
1 files changed, 1 insertions, 833 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_bufmgr_ttm.c b/src/mesa/drivers/dri/i915/intel_bufmgr_ttm.c
index 32d9886091..e9df5c6279 100644..120000
--- a/src/mesa/drivers/dri/i915/intel_bufmgr_ttm.c
+++ b/src/mesa/drivers/dri/i915/intel_bufmgr_ttm.c
@@ -1,833 +1 @@
-/**************************************************************************
- *
- * Copyright © 2007 Red Hat Inc.
- * Copyright © 2007 Intel Corporation
- * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA
- * All Rights Reserved.
- *
- * 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, 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 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 COPYRIGHT HOLDERS, AUTHORS AND/OR ITS 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.
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- *
- **************************************************************************/
-/*
- * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
- * Keith Whitwell <keithw-at-tungstengraphics-dot-com>
- * Eric Anholt <eric@anholt.net>
- * Dave Airlie <airlied@linux.ie>
- */
-
-#include <xf86drm.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include "glthread.h"
-#include "errno.h"
-#include "mtypes.h"
-#include "dri_bufmgr.h"
-#include "string.h"
-#include "imports.h"
-
-#include "i915_drm.h"
-
-#include "intel_bufmgr_ttm.h"
-
-#define BUFMGR_DEBUG 0
-
-struct intel_reloc_info
-{
- GLuint type;
- GLuint reloc;
- GLuint delta; /* not needed? */
- GLuint index;
- drm_handle_t handle;
-};
-
-struct intel_bo_node
-{
- drmMMListHead head;
- drmBO *buf;
- struct drm_i915_op_arg bo_arg;
- unsigned long arg0;
- unsigned long arg1;
- void (*destroy)(void *);
- void *priv;
-};
-
-struct intel_bo_reloc_list
-{
- drmMMListHead head;
- drmBO buf;
- uint32_t *relocs;
-};
-
-struct intel_bo_reloc_node
-{
- drmMMListHead head;
- drm_handle_t handle;
- uint32_t nr_reloc_types;
- struct intel_bo_reloc_list type_list;
-};
-
-struct intel_bo_list {
- unsigned numCurrent;
- drmMMListHead list;
- void (*destroy)(void *node);
-};
-
-typedef struct _dri_bufmgr_ttm {
- dri_bufmgr bufmgr;
-
- int fd;
- _glthread_Mutex mutex;
- unsigned int fence_type;
- unsigned int fence_type_flush;
-
- uint32_t max_relocs;
- /** ttm relocation list */
- struct intel_bo_list list;
- struct intel_bo_list reloc_list;
-
-} dri_bufmgr_ttm;
-
-typedef struct _dri_bo_ttm {
- dri_bo bo;
-
- int refcount; /* Protected by bufmgr->mutex */
- drmBO drm_bo;
- const char *name;
-} dri_bo_ttm;
-
-typedef struct _dri_fence_ttm
-{
- dri_fence fence;
-
- int refcount; /* Protected by bufmgr->mutex */
- const char *name;
- drmFence drm_fence;
-} dri_fence_ttm;
-
-
-static void intel_bo_free_list(struct intel_bo_list *list)
-{
- struct intel_bo_node *node;
- drmMMListHead *l;
-
- l = list->list.next;
- while(l != &list->list) {
- DRMLISTDEL(l);
- node = DRMLISTENTRY(struct intel_bo_node, l, head);
- list->destroy(node);
- l = list->list.next;
- list->numCurrent--;
- }
-}
-
-static void generic_destroy(void *nodep)
-{
- free(nodep);
-}
-
-static int intel_create_bo_list(int numTarget, struct intel_bo_list *list, void (*destroy)(void *))
-{
- DRMINITLISTHEAD(&list->list);
- list->numCurrent = 0;
- if (destroy)
- list->destroy = destroy;
- else
- list->destroy = generic_destroy;
- return 0;
-}
-
-
-static struct drm_i915_op_arg *
-intel_setup_validate_list(int fd, struct intel_bo_list *list, struct intel_bo_list *reloc_list, GLuint *count_p)
-{
- struct intel_bo_node *node;
- struct intel_bo_reloc_node *rl_node;
- drmMMListHead *l, *rl;
- struct drm_i915_op_arg *arg, *first;
- struct drm_bo_op_req *req;
- uint64_t *prevNext = NULL;
- GLuint count = 0;
-
- first = NULL;
-
- for (l = list->list.next; l != &list->list; l = l->next) {
- node = DRMLISTENTRY(struct intel_bo_node, l, head);
-
- arg = &node->bo_arg;
- req = &arg->d.req;
-
- if (!first)
- first = arg;
-
- if (prevNext)
- *prevNext = (unsigned long) arg;
-
- memset(arg, 0, sizeof(*arg));
- prevNext = &arg->next;
- req->bo_req.handle = node->buf->handle;
- req->op = drm_bo_validate;
- req->bo_req.flags = node->arg0;
- req->bo_req.hint = 0;
- req->bo_req.mask = node->arg1;
- req->bo_req.fence_class = 0; /* Backwards compat. */
- arg->reloc_handle = 0;
-
- for (rl = reloc_list->list.next; rl != &reloc_list->list; rl = rl->next) {
- rl_node = DRMLISTENTRY(struct intel_bo_reloc_node, rl, head);
-
- if (rl_node->handle == node->buf->handle) {
- arg->reloc_handle = rl_node->type_list.buf.handle;
- }
- }
- count++;
- }
-
- if (!first)
- return 0;
-
- *count_p = count;
- return first;
-}
-
-static void intel_free_validate_list(int fd, struct intel_bo_list *list)
-{
- struct intel_bo_node *node;
- drmMMListHead *l;
-
- for (l = list->list.next; l != &list->list; l = l->next) {
- node = DRMLISTENTRY(struct intel_bo_node, l, head);
-
- if (node->destroy)
- (*node->destroy)(node->priv);
-
- }
-}
-
-static void intel_free_reloc_list(int fd, struct intel_bo_list *reloc_list)
-{
- struct intel_bo_reloc_node *reloc_node;
- drmMMListHead *rl, *tmp;
-
- for (rl = reloc_list->list.next, tmp = rl->next; rl != &reloc_list->list; rl = tmp, tmp = rl->next) {
- reloc_node = DRMLISTENTRY(struct intel_bo_reloc_node, rl, head);
-
- DRMLISTDEL(rl);
-
- if (reloc_node->nr_reloc_types > 1) {
-
- /* TODO */
- }
-
- drmBOUnmap(fd, &reloc_node->type_list.buf);
- drmBOUnreference(fd, &reloc_node->type_list.buf);
- free(reloc_node);
- }
-}
-
-static int intel_add_validate_buffer(struct intel_bo_list *list, dri_bo *buf, unsigned flags,
- unsigned mask, int *itemLoc, void (*destroy_cb)(void *))
-{
- struct intel_bo_node *node, *cur;
- drmMMListHead *l;
- int count = 0;
- int ret = 0;
- drmBO *buf_bo = &((dri_bo_ttm *)buf)->drm_bo;
- cur = NULL;
-
- for (l = list->list.next; l != &list->list; l = l->next) {
- node = DRMLISTENTRY(struct intel_bo_node, l, head);
- if (node->buf->handle == buf_bo->handle) {
- cur = node;
- break;
- }
- count++;
- }
-
- if (!cur) {
- cur = drmMalloc(sizeof(*cur));
- if (!cur) {
- return -ENOMEM;
- }
- cur->buf = buf_bo;
- cur->priv = buf;
- cur->arg0 = flags;
- cur->arg1 = mask;
- cur->destroy = destroy_cb;
- ret = 1;
-
- DRMLISTADDTAIL(&cur->head, &list->list);
-
- } else {
- unsigned memMask = (cur->arg1 | mask) & DRM_BO_MASK_MEM;
- unsigned memFlags = cur->arg0 & flags & memMask;
-
- if (!memFlags) {
- return -EINVAL;
- }
- if (mask & cur->arg1 & ~DRM_BO_MASK_MEM & (cur->arg0 ^ flags)) {
- return -EINVAL;
- }
- cur->arg1 |= mask;
- cur->arg0 = memFlags | ((cur->arg0 | flags) &
- cur->arg1 & ~DRM_BO_MASK_MEM);
- }
- *itemLoc = count;
- return ret;
-}
-
-
-#define RELOC_BUF_SIZE(x) ((I915_RELOC_HEADER + x * I915_RELOC0_STRIDE) * sizeof(uint32_t))
-
-static int intel_create_new_reloc_type_list(int fd, struct intel_bo_reloc_list *cur_type, int max_relocs)
-{
- int ret;
-
- /* should allocate a drmBO here */
- ret = drmBOCreate(fd, RELOC_BUF_SIZE(max_relocs), 0,
- NULL,
- DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE | DRM_BO_FLAG_MAPPABLE | DRM_BO_FLAG_CACHED,
- 0, &cur_type->buf);
- if (ret)
- return ret;
-
- ret = drmBOMap(fd, &cur_type->buf, DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, (void **)&cur_type->relocs);
- if (ret)
- return ret;
- return 0;
-}
-
-
-static int intel_add_validate_reloc(int fd, struct intel_bo_list *reloc_list, struct intel_reloc_info *reloc_info, uint32_t max_relocs)
-{
- struct intel_bo_reloc_node *rl_node, *cur;
- drmMMListHead *rl, *l;
- int ret = 0;
- uint32_t *reloc_start;
- int num_relocs;
- struct intel_bo_reloc_list *cur_type;
-
- cur = NULL;
-
- for (rl = reloc_list->list.next; rl != &reloc_list->list; rl = rl->next) {
- rl_node = DRMLISTENTRY(struct intel_bo_reloc_node, rl, head);
- if (rl_node->handle == reloc_info->handle) {
- cur = rl_node;
- break;
- }
- }
-
- if (!cur) {
-
- cur = malloc(sizeof(*cur));
- if (!cur)
- return -ENOMEM;
-
- cur->nr_reloc_types = 1;
- cur->handle = reloc_info->handle;
- cur_type = &cur->type_list;
-
- DRMINITLISTHEAD(&cur->type_list.head);
- ret = intel_create_new_reloc_type_list(fd, cur_type, max_relocs);
- if (ret) {
- return -1;
- }
- DRMLISTADDTAIL(&cur->head, &reloc_list->list);
-
- cur_type->relocs[0] = 0 | (reloc_info->type << 16);
- cur_type->relocs[1] = 0; // next reloc buffer handle is 0
-
- } else {
- int found = 0;
- if ((cur->type_list.relocs[0] >> 16) == reloc_info->type) {
- cur_type = &cur->type_list;
- found = 1;
- } else {
- for (l = cur->type_list.head.next; l != &cur->type_list.head; l = l->next) {
- cur_type = DRMLISTENTRY(struct intel_bo_reloc_list, l, head);
- if (((cur_type->relocs[0] >> 16) & 0xffff) == reloc_info->type)
- found = 1;
- break;
- }
- }
-
- /* didn't find the relocation type */
- if (!found) {
- cur_type = malloc(sizeof(*cur_type));
- if (!cur_type) {
- return -ENOMEM;
- }
-
- ret = intel_create_new_reloc_type_list(fd, cur_type, max_relocs);
- DRMLISTADDTAIL(&cur_type->head, &cur->type_list.head);
-
- cur_type->relocs[0] = (reloc_info->type << 16);
- cur_type->relocs[1] = 0;
-
- cur->nr_reloc_types++;
- }
- }
-
- reloc_start = cur_type->relocs;
-
- num_relocs = (reloc_start[0] & 0xffff);
-
- reloc_start[num_relocs*I915_RELOC0_STRIDE + I915_RELOC_HEADER] = reloc_info->reloc;
- reloc_start[num_relocs*I915_RELOC0_STRIDE + I915_RELOC_HEADER+1] = reloc_info->delta;
- reloc_start[num_relocs*I915_RELOC0_STRIDE + I915_RELOC_HEADER+2] = reloc_info->index;
- reloc_start[0]++;
- if (((reloc_start[0] & 0xffff)) > (max_relocs)) {
- return -ENOMEM;
- }
- return 0;
-}
-
-
-#if 0
-int
-driFenceSignaled(DriFenceObject * fence, unsigned type)
-{
- int signaled;
- int ret;
-
- if (fence == NULL)
- return GL_TRUE;
-
- _glthread_LOCK_MUTEX(fence->mutex);
- ret = drmFenceSignaled(bufmgr_ttm->fd, &fence->fence, type, &signaled);
- _glthread_UNLOCK_MUTEX(fence->mutex);
- BM_CKFATAL(ret);
- return signaled;
-}
-#endif
-
-static dri_bo *
-dri_ttm_alloc(dri_bufmgr *bufmgr, const char *name,
- unsigned long size, unsigned int alignment,
- unsigned int location_mask)
-{
- dri_bufmgr_ttm *ttm_bufmgr;
- dri_bo_ttm *ttm_buf;
- unsigned int pageSize = getpagesize();
- int ret;
- unsigned int flags, hint;
-
- ttm_bufmgr = (dri_bufmgr_ttm *)bufmgr;
-
- ttm_buf = malloc(sizeof(*ttm_buf));
- if (!ttm_buf)
- return NULL;
-
- /* The mask argument doesn't do anything for us that we want other than
- * determine which pool (TTM or local) the buffer is allocated into, so just
- * pass all of the allocation class flags.
- */
- flags = location_mask | DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE |
- DRM_BO_FLAG_EXE;
- /* No hints we want to use. */
- hint = 0;
-
- ret = drmBOCreate(ttm_bufmgr->fd, size, alignment / pageSize,
- NULL, flags, hint, &ttm_buf->drm_bo);
- if (ret != 0) {
- free(ttm_buf);
- return NULL;
- }
- ttm_buf->bo.size = ttm_buf->drm_bo.size;
- ttm_buf->bo.offset = ttm_buf->drm_bo.offset;
- ttm_buf->bo.virtual = NULL;
- ttm_buf->bo.bufmgr = bufmgr;
- ttm_buf->name = name;
- ttm_buf->refcount = 1;
-
-#if BUFMGR_DEBUG
- fprintf(stderr, "bo_create: %p (%s)\n", &ttm_buf->bo, ttm_buf->name);
-#endif
-
- return &ttm_buf->bo;
-}
-
-/* Our TTM backend doesn't allow creation of static buffers, as that requires
- * privelege for the non-fake case, and the lock in the fake case where we were
- * working around the X Server not creating buffers and passing handles to us.
- */
-static dri_bo *
-dri_ttm_alloc_static(dri_bufmgr *bufmgr, const char *name,
- unsigned long offset, unsigned long size, void *virtual,
- unsigned int location_mask)
-{
- return NULL;
-}
-
-/** Returns a dri_bo wrapping the given buffer object handle.
- *
- * This can be used when one application needs to pass a buffer object
- * to another.
- */
-dri_bo *
-intel_ttm_bo_create_from_handle(dri_bufmgr *bufmgr, const char *name,
- unsigned int handle)
-{
- dri_bufmgr_ttm *ttm_bufmgr;
- dri_bo_ttm *ttm_buf;
- int ret;
-
- ttm_bufmgr = (dri_bufmgr_ttm *)bufmgr;
-
- ttm_buf = malloc(sizeof(*ttm_buf));
- if (!ttm_buf)
- return NULL;
-
- ret = drmBOReference(ttm_bufmgr->fd, handle, &ttm_buf->drm_bo);
- if (ret != 0) {
- free(ttm_buf);
- return NULL;
- }
- ttm_buf->bo.size = ttm_buf->drm_bo.size;
- ttm_buf->bo.offset = ttm_buf->drm_bo.offset;
- ttm_buf->bo.virtual = NULL;
- ttm_buf->bo.bufmgr = bufmgr;
- ttm_buf->name = name;
- ttm_buf->refcount = 1;
-
-#if BUFMGR_DEBUG
- fprintf(stderr, "bo_create_from_handle: %p %08x (%s)\n", &ttm_buf->bo, handle,
- ttm_buf->name);
-#endif
-
- return &ttm_buf->bo;
-}
-
-static void
-dri_ttm_bo_reference(dri_bo *buf)
-{
- dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)buf->bufmgr;
- dri_bo_ttm *ttm_buf = (dri_bo_ttm *)buf;
-
- _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
- ttm_buf->refcount++;
- _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
-}
-
-static void
-dri_ttm_bo_unreference(dri_bo *buf)
-{
- dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)buf->bufmgr;
- dri_bo_ttm *ttm_buf = (dri_bo_ttm *)buf;
-
- if (!buf)
- return;
-
- _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
- if (--ttm_buf->refcount == 0) {
- int ret;
-
- ret = drmBOUnreference(bufmgr_ttm->fd, &ttm_buf->drm_bo);
- if (ret != 0) {
- fprintf(stderr, "drmBOUnreference failed (%s): %s\n", ttm_buf->name,
- strerror(-ret));
- }
-#if BUFMGR_DEBUG
- fprintf(stderr, "bo_unreference final: %p (%s)\n",
- &ttm_buf->bo, ttm_buf->name);
-#endif
- _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
- free(buf);
- return;
- }
- _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
-}
-
-static int
-dri_ttm_bo_map(dri_bo *buf, GLboolean write_enable)
-{
- dri_bufmgr_ttm *bufmgr_ttm;
- dri_bo_ttm *ttm_buf = (dri_bo_ttm *)buf;
- unsigned int flags;
-
- bufmgr_ttm = (dri_bufmgr_ttm *)buf->bufmgr;
-
- flags = DRM_BO_FLAG_READ;
- if (write_enable)
- flags |= DRM_BO_FLAG_WRITE;
-
- assert(buf->virtual == NULL);
-
-#if BUFMGR_DEBUG
- fprintf(stderr, "bo_map: %p (%s)\n", &ttm_buf->bo, ttm_buf->name);
-#endif
-
- return drmBOMap(bufmgr_ttm->fd, &ttm_buf->drm_bo, flags, 0, &buf->virtual);
-}
-
-static int
-dri_ttm_bo_unmap(dri_bo *buf)
-{
- dri_bufmgr_ttm *bufmgr_ttm;
- dri_bo_ttm *ttm_buf = (dri_bo_ttm *)buf;
-
- if (buf == NULL)
- return 0;
-
- bufmgr_ttm = (dri_bufmgr_ttm *)buf->bufmgr;
-
- assert(buf->virtual != NULL);
-
- buf->virtual = NULL;
-
-#if BUFMGR_DEBUG
- fprintf(stderr, "bo_unmap: %p (%s)\n", &ttm_buf->bo, ttm_buf->name);
-#endif
-
- return drmBOUnmap(bufmgr_ttm->fd, &ttm_buf->drm_bo);
-}
-
-/* Returns a dri_bo wrapping the given buffer object handle.
- *
- * This can be used when one application needs to pass a buffer object
- * to another.
- */
-dri_fence *
-intel_ttm_fence_create_from_arg(dri_bufmgr *bufmgr, const char *name,
- drm_fence_arg_t *arg)
-{
- dri_bufmgr_ttm *ttm_bufmgr;
- dri_fence_ttm *ttm_fence;
-
- ttm_bufmgr = (dri_bufmgr_ttm *)bufmgr;
-
- ttm_fence = malloc(sizeof(*ttm_fence));
- if (!ttm_fence)
- return NULL;
-
- ttm_fence->drm_fence.handle = arg->handle;
- ttm_fence->drm_fence.fence_class = arg->fence_class;
- ttm_fence->drm_fence.type = arg->type;
- ttm_fence->drm_fence.flags = arg->flags;
- ttm_fence->drm_fence.signaled = 0;
- ttm_fence->drm_fence.sequence = arg->sequence;
-
- ttm_fence->fence.bufmgr = bufmgr;
- ttm_fence->name = name;
- ttm_fence->refcount = 1;
-
-#if BUFMGR_DEBUG
- fprintf(stderr, "fence_create_from_handle: %p (%s)\n", &ttm_fence->fence,
- ttm_fence->name);
-#endif
-
- return &ttm_fence->fence;
-}
-
-
-static void
-dri_ttm_fence_reference(dri_fence *fence)
-{
- dri_fence_ttm *fence_ttm = (dri_fence_ttm *)fence;
- dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)fence->bufmgr;
-
- _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
- ++fence_ttm->refcount;
- _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
-#if BUFMGR_DEBUG
- fprintf(stderr, "fence_reference: %p (%s)\n", &fence_ttm->fence,
- fence_ttm->name);
-#endif
-}
-
-static void
-dri_ttm_fence_unreference(dri_fence *fence)
-{
- dri_fence_ttm *fence_ttm = (dri_fence_ttm *)fence;
- dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)fence->bufmgr;
-
- if (!fence)
- return;
-
-#if BUFMGR_DEBUG
- fprintf(stderr, "fence_unreference: %p (%s)\n", &fence_ttm->fence,
- fence_ttm->name);
-#endif
- _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
- if (--fence_ttm->refcount == 0) {
- int ret;
-
- ret = drmFenceUnreference(bufmgr_ttm->fd, &fence_ttm->drm_fence);
- if (ret != 0) {
- fprintf(stderr, "drmFenceUnreference failed (%s): %s\n",
- fence_ttm->name, strerror(-ret));
- }
-
- _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
- free(fence);
- return;
- }
- _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
-}
-
-static void
-dri_ttm_fence_wait(dri_fence *fence)
-{
- dri_fence_ttm *fence_ttm = (dri_fence_ttm *)fence;
- dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)fence->bufmgr;
- int ret;
-
- _glthread_LOCK_MUTEX(bufmgr_ttm->mutex);
- ret = drmFenceWait(bufmgr_ttm->fd, 0, &fence_ttm->drm_fence, 0);
- _glthread_UNLOCK_MUTEX(bufmgr_ttm->mutex);
- if (ret != 0) {
- _mesa_printf("%s:%d: Error %d waiting for fence %s.\n",
- __FILE__, __LINE__, ret, fence_ttm->name);
- abort();
- }
-
-#if BUFMGR_DEBUG
- fprintf(stderr, "fence_wait: %p (%s)\n", &fence_ttm->fence,
- fence_ttm->name);
-#endif
-}
-
-static void
-dri_bufmgr_ttm_destroy(dri_bufmgr *bufmgr)
-{
- dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)bufmgr;
-
- intel_bo_free_list(&bufmgr_ttm->list);
- intel_bo_free_list(&bufmgr_ttm->reloc_list);
-
- _glthread_DESTROY_MUTEX(bufmgr_ttm->mutex);
- free(bufmgr);
-}
-
-
-static void intel_dribo_destroy_callback(void *priv)
-{
- dri_bo *dribo = priv;
-
- if (dribo) {
- dri_bo_unreference(dribo);
- }
-}
-
-static void
-dri_ttm_emit_reloc(dri_bo *batch_buf, GLuint flags, GLuint delta, GLuint offset,
- dri_bo *relocatee)
-{
- dri_bo_ttm *ttm_buf = (dri_bo_ttm *)batch_buf;
- dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)batch_buf->bufmgr;
- int newItem;
- struct intel_reloc_info reloc;
- int mask;
- int ret;
-
- mask = DRM_BO_MASK_MEM;
- mask |= flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE | DRM_BO_FLAG_EXE);
-
- ret = intel_add_validate_buffer(&bufmgr_ttm->list, relocatee, flags, mask, &newItem, intel_dribo_destroy_callback);
- if (ret < 0)
- return;
-
- if (ret == 1) {
- dri_bo_reference(relocatee);
- }
-
- reloc.type = I915_RELOC_TYPE_0;
- reloc.reloc = offset;
- reloc.delta = delta;
- reloc.index = newItem;
- reloc.handle = ttm_buf->drm_bo.handle;
-
- intel_add_validate_reloc(bufmgr_ttm->fd, &bufmgr_ttm->reloc_list, &reloc, bufmgr_ttm->max_relocs);
- return;
-}
-
-
-static void *
-dri_ttm_process_reloc(dri_bo *batch_buf, GLuint *count)
-{
- dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)batch_buf->bufmgr;
- void *ptr;
- int itemLoc;
-
- dri_bo_unmap(batch_buf);
-
- intel_add_validate_buffer(&bufmgr_ttm->list, batch_buf, DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_EXE,
- DRM_BO_MASK_MEM | DRM_BO_FLAG_EXE, &itemLoc, NULL);
-
- ptr = intel_setup_validate_list(bufmgr_ttm->fd, &bufmgr_ttm->list, &bufmgr_ttm->reloc_list, count);
-
- return ptr;
-}
-
-static void
-dri_ttm_post_submit(dri_bo *batch_buf, dri_fence **last_fence)
-{
- dri_bufmgr_ttm *bufmgr_ttm = (dri_bufmgr_ttm *)batch_buf->bufmgr;
-
- intel_free_validate_list(bufmgr_ttm->fd, &bufmgr_ttm->list);
- intel_free_reloc_list(bufmgr_ttm->fd, &bufmgr_ttm->reloc_list);
-
- intel_bo_free_list(&bufmgr_ttm->list);
-}
-
-/**
- * Initializes the TTM buffer manager, which uses the kernel to allocate, map,
- * and manage map buffer objections.
- *
- * \param fd File descriptor of the opened DRM device.
- * \param fence_type Driver-specific fence type used for fences with no flush.
- * \param fence_type_flush Driver-specific fence type used for fences with a
- * flush.
- */
-dri_bufmgr *
-intel_bufmgr_ttm_init(int fd, unsigned int fence_type,
- unsigned int fence_type_flush, int batch_size)
-{
- dri_bufmgr_ttm *bufmgr_ttm;
-
- bufmgr_ttm = malloc(sizeof(*bufmgr_ttm));
- bufmgr_ttm->fd = fd;
- bufmgr_ttm->fence_type = fence_type;
- bufmgr_ttm->fence_type_flush = fence_type_flush;
- _glthread_INIT_MUTEX(bufmgr_ttm->mutex);
-
- /* lets go with one relocation per every four dwords - purely heuristic */
- bufmgr_ttm->max_relocs = batch_size / sizeof(uint32_t) / 4;
-
- intel_create_bo_list(10, &bufmgr_ttm->list, NULL);
- intel_create_bo_list(1, &bufmgr_ttm->reloc_list, NULL);
-
- bufmgr_ttm->bufmgr.bo_alloc = dri_ttm_alloc;
- bufmgr_ttm->bufmgr.bo_alloc_static = dri_ttm_alloc_static;
- bufmgr_ttm->bufmgr.bo_reference = dri_ttm_bo_reference;
- bufmgr_ttm->bufmgr.bo_unreference = dri_ttm_bo_unreference;
- bufmgr_ttm->bufmgr.bo_map = dri_ttm_bo_map;
- bufmgr_ttm->bufmgr.bo_unmap = dri_ttm_bo_unmap;
- bufmgr_ttm->bufmgr.fence_reference = dri_ttm_fence_reference;
- bufmgr_ttm->bufmgr.fence_unreference = dri_ttm_fence_unreference;
- bufmgr_ttm->bufmgr.fence_wait = dri_ttm_fence_wait;
- bufmgr_ttm->bufmgr.destroy = dri_bufmgr_ttm_destroy;
- bufmgr_ttm->bufmgr.emit_reloc = dri_ttm_emit_reloc;
- bufmgr_ttm->bufmgr.process_relocs = dri_ttm_process_reloc;
- bufmgr_ttm->bufmgr.post_submit = dri_ttm_post_submit;
- return &bufmgr_ttm->bufmgr;
-}
-
+../intel/intel_bufmgr_ttm.c \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-26 05:39:21 +0000