*/
struct fenced_buffer
{
- /*
+ /**
* Immutable members.
*/
struct pb_buffer base;
struct fenced_manager *mgr;
- /*
+ /**
* Following members are mutable and protected by fenced_manager::mutex.
*/
curr = fenced_mgr->unfenced.next;
next = curr->next;
- while(curr != &fenced_mgr->unfenced) {
+ while (curr != &fenced_mgr->unfenced) {
fenced_buf = LIST_ENTRY(struct fenced_buffer, curr, head);
assert(!fenced_buf->fence);
debug_printf("%10p %7u %8u %7s\n",
curr = fenced_mgr->fenced.next;
next = curr->next;
- while(curr != &fenced_mgr->fenced) {
+ while (curr != &fenced_mgr->fenced) {
int signaled;
fenced_buf = LIST_ENTRY(struct fenced_buffer, curr, head);
assert(fenced_buf->buffer);
assert(pipe_is_referenced(&fenced_buf->base.reference));
assert(fenced_buf->fence);
- if(fenced_buf->fence) {
+ if (fenced_buf->fence) {
struct pipe_fence_handle *fence = NULL;
int finished;
boolean proceed;
assert(pipe_is_referenced(&fenced_buf->base.reference));
- /*
- * Only proceed if the fence object didn't change in the meanwhile.
+ /* Only proceed if the fence object didn't change in the meanwhile.
* Otherwise assume the work has been already carried out by another
* thread that re-aquired the lock before us.
*/
ops->fence_reference(ops, &fence, NULL);
- if(proceed && finished == 0) {
- /*
- * Remove from the fenced list
- */
-
- boolean destroyed;
-
- destroyed = fenced_buffer_remove_locked(fenced_mgr, fenced_buf);
+ if (proceed && finished == 0) {
+ /* Remove from the fenced list. */
+ boolean destroyed = fenced_buffer_remove_locked(fenced_mgr, fenced_buf);
/* TODO: remove consequents buffers with the same fence? */
curr = fenced_mgr->fenced.next;
next = curr->next;
- while(curr != &fenced_mgr->fenced) {
+ while (curr != &fenced_mgr->fenced) {
fenced_buf = LIST_ENTRY(struct fenced_buffer, curr, head);
- if(fenced_buf->fence != prev_fence) {
- int signaled;
+ if (fenced_buf->fence != prev_fence) {
+ int signaled;
- if (wait) {
- signaled = ops->fence_finish(ops, fenced_buf->fence, 0);
+ if (wait) {
+ signaled = ops->fence_finish(ops, fenced_buf->fence, 0);
- /*
- * Don't return just now. Instead preemptively check if the
- * following buffers' fences already expired, without further waits.
- */
- wait = FALSE;
- }
- else {
- signaled = ops->fence_signalled(ops, fenced_buf->fence, 0);
- }
+ /* Don't return just now. Instead preemptively check if the
+ * following buffers' fences already expired, without further waits.
+ */
+ wait = FALSE;
+ } else {
+ signaled = ops->fence_signalled(ops, fenced_buf->fence, 0);
+ }
- if (signaled != 0) {
- return ret;
+ if (signaled != 0) {
+ return ret;
}
- prev_fence = fenced_buf->fence;
- }
- else {
+ prev_fence = fenced_buf->fence;
+ } else {
/* This buffer's fence object is identical to the previous buffer's
* fence object, so no need to check the fence again.
*/
- assert(ops->fence_signalled(ops, fenced_buf->fence, 0) == 0);
+ assert(ops->fence_signalled(ops, fenced_buf->fence, 0) == 0);
}
fenced_buffer_remove_locked(fenced_mgr, fenced_buf);
curr = fenced_mgr->unfenced.next;
next = curr->next;
- while(curr != &fenced_mgr->unfenced) {
+ while (curr != &fenced_mgr->unfenced) {
fenced_buf = LIST_ENTRY(struct fenced_buffer, curr, head);
- /*
- * We can only move storage if the buffer is not mapped and not
+ /* We can only move storage if the buffer is not mapped and not
* validated.
*/
- if(fenced_buf->buffer &&
+ if (fenced_buf->buffer &&
!fenced_buf->mapcount &&
!fenced_buf->vl) {
enum pipe_error ret;
ret = fenced_buffer_create_cpu_storage_locked(fenced_mgr, fenced_buf);
- if(ret == PIPE_OK) {
+ if (ret == PIPE_OK) {
ret = fenced_buffer_copy_storage_to_cpu_locked(fenced_buf);
- if(ret == PIPE_OK) {
+ if (ret == PIPE_OK) {
fenced_buffer_destroy_gpu_storage_locked(fenced_buf);
return TRUE;
}
static void
fenced_buffer_destroy_cpu_storage_locked(struct fenced_buffer *fenced_buf)
{
- if(fenced_buf->data) {
+ if (fenced_buf->data) {
align_free(fenced_buf->data);
fenced_buf->data = NULL;
assert(fenced_buf->mgr->cpu_total_size >= fenced_buf->size);
struct fenced_buffer *fenced_buf)
{
assert(!fenced_buf->data);
- if(fenced_buf->data)
+ if (fenced_buf->data)
return PIPE_OK;
if (fenced_mgr->cpu_total_size + fenced_buf->size > fenced_mgr->max_cpu_total_size)
return PIPE_ERROR_OUT_OF_MEMORY;
fenced_buf->data = align_malloc(fenced_buf->size, fenced_buf->desc.alignment);
- if(!fenced_buf->data)
+ if (!fenced_buf->data)
return PIPE_ERROR_OUT_OF_MEMORY;
fenced_mgr->cpu_total_size += fenced_buf->size;
static void
fenced_buffer_destroy_gpu_storage_locked(struct fenced_buffer *fenced_buf)
{
- if(fenced_buf->buffer) {
+ if (fenced_buf->buffer) {
pb_reference(&fenced_buf->buffer, NULL);
}
}
{
assert(!fenced_buf->buffer);
- /*
- * Check for signaled buffers before trying to allocate.
- */
+ /* Check for signaled buffers before trying to allocate. */
fenced_manager_check_signalled_locked(fenced_mgr, FALSE);
fenced_buffer_try_create_gpu_storage_locked(fenced_mgr, fenced_buf);
- /*
- * Keep trying while there is some sort of progress:
+ /* Keep trying while there is some sort of progress:
* - fences are expiring,
* - or buffers are being being swapped out from GPU memory into CPU memory.
*/
- while(!fenced_buf->buffer &&
+ while (!fenced_buf->buffer &&
(fenced_manager_check_signalled_locked(fenced_mgr, FALSE) ||
fenced_manager_free_gpu_storage_locked(fenced_mgr))) {
fenced_buffer_try_create_gpu_storage_locked(fenced_mgr, fenced_buf);
}
- if(!fenced_buf->buffer && wait) {
- /*
- * Same as before, but this time around, wait to free buffers if
+ if (!fenced_buf->buffer && wait) {
+ /* Same as before, but this time around, wait to free buffers if
* necessary.
*/
- while(!fenced_buf->buffer &&
+ while (!fenced_buf->buffer &&
(fenced_manager_check_signalled_locked(fenced_mgr, TRUE) ||
fenced_manager_free_gpu_storage_locked(fenced_mgr))) {
fenced_buffer_try_create_gpu_storage_locked(fenced_mgr, fenced_buf);
}
}
- if(!fenced_buf->buffer) {
- if(0)
+ if (!fenced_buf->buffer) {
+ if (0)
fenced_manager_dump_locked(fenced_mgr);
- /* give up */
+ /* Give up. */
return PIPE_ERROR_OUT_OF_MEMORY;
}
assert(!(flags & PB_USAGE_GPU_READ_WRITE));
- /*
- * Serialize writes.
- */
- while((fenced_buf->flags & PB_USAGE_GPU_WRITE) ||
+ /* Serialize writes. */
+ while ((fenced_buf->flags & PB_USAGE_GPU_WRITE) ||
((fenced_buf->flags & PB_USAGE_GPU_READ) &&
(flags & PB_USAGE_CPU_WRITE))) {
- /*
- * Don't wait for the GPU to finish accessing it, if blocking is forbidden.
+ /* Don't wait for the GPU to finish accessing it,
+ * if blocking is forbidden.
*/
- if((flags & PB_USAGE_DONTBLOCK) &&
- ops->fence_signalled(ops, fenced_buf->fence, 0) != 0) {
+ if ((flags & PB_USAGE_DONTBLOCK) &&
+ ops->fence_signalled(ops, fenced_buf->fence, 0) != 0) {
goto done;
}
break;
}
- /*
- * Wait for the GPU to finish accessing. This will release and re-acquire
+ /* Wait for the GPU to finish accessing. This will release and re-acquire
* the mutex, so all copies of mutable state must be discarded.
*/
fenced_buffer_finish_locked(fenced_mgr, fenced_buf);
}
- if(fenced_buf->buffer) {
+ if (fenced_buf->buffer) {
map = pb_map(fenced_buf->buffer, flags, flush_ctx);
- }
- else {
+ } else {
assert(fenced_buf->data);
map = fenced_buf->data;
}
fenced_buf->flags |= flags & PB_USAGE_CPU_READ_WRITE;
}
-done:
+ done:
pipe_mutex_unlock(fenced_mgr->mutex);
return map;
pipe_mutex_lock(fenced_mgr->mutex);
assert(fenced_buf->mapcount);
- if(fenced_buf->mapcount) {
+ if (fenced_buf->mapcount) {
if (fenced_buf->buffer)
pb_unmap(fenced_buf->buffer);
--fenced_buf->mapcount;
- if(!fenced_buf->mapcount)
- fenced_buf->flags &= ~PB_USAGE_CPU_READ_WRITE;
+ if (!fenced_buf->mapcount)
+ fenced_buf->flags &= ~PB_USAGE_CPU_READ_WRITE;
}
pipe_mutex_unlock(fenced_mgr->mutex);
pipe_mutex_lock(fenced_mgr->mutex);
if (!vl) {
- /* invalidate */
+ /* Invalidate. */
fenced_buf->vl = NULL;
fenced_buf->validation_flags = 0;
ret = PIPE_OK;
assert(!(flags & ~PB_USAGE_GPU_READ_WRITE));
flags &= PB_USAGE_GPU_READ_WRITE;
- /* Buffer cannot be validated in two different lists */
- if(fenced_buf->vl && fenced_buf->vl != vl) {
+ /* Buffer cannot be validated in two different lists. */
+ if (fenced_buf->vl && fenced_buf->vl != vl) {
ret = PIPE_ERROR_RETRY;
goto done;
}
- if(fenced_buf->vl == vl &&
+ if (fenced_buf->vl == vl &&
(fenced_buf->validation_flags & flags) == flags) {
- /* Nothing to do -- buffer already validated */
+ /* Nothing to do -- buffer already validated. */
ret = PIPE_OK;
goto done;
}
- /*
- * Create and update GPU storage.
- */
- if(!fenced_buf->buffer) {
+ /* Create and update GPU storage. */
+ if (!fenced_buf->buffer) {
assert(!fenced_buf->mapcount);
ret = fenced_buffer_create_gpu_storage_locked(fenced_mgr, fenced_buf, TRUE);
- if(ret != PIPE_OK) {
+ if (ret != PIPE_OK) {
goto done;
}
ret = fenced_buffer_copy_storage_to_gpu_locked(fenced_buf);
- if(ret != PIPE_OK) {
+ if (ret != PIPE_OK) {
fenced_buffer_destroy_gpu_storage_locked(fenced_buf);
goto done;
}
- if(fenced_buf->mapcount) {
+ if (fenced_buf->mapcount) {
debug_printf("warning: validating a buffer while it is still mapped\n");
- }
- else {
+ } else {
fenced_buffer_destroy_cpu_storage_locked(fenced_buf);
}
}
fenced_buf->vl = vl;
fenced_buf->validation_flags |= flags;
-done:
+ done:
pipe_mutex_unlock(fenced_mgr->mutex);
return ret;
assert(pipe_is_referenced(&fenced_buf->base.reference));
assert(fenced_buf->buffer);
- if(fence != fenced_buf->fence) {
+ if (fence != fenced_buf->fence) {
assert(fenced_buf->vl);
assert(fenced_buf->validation_flags);
if (fenced_buf->fence) {
- boolean destroyed;
- destroyed = fenced_buffer_remove_locked(fenced_mgr, fenced_buf);
+ boolean destroyed = fenced_buffer_remove_locked(fenced_mgr, fenced_buf);
assert(!destroyed);
}
if (fence) {
pipe_mutex_lock(fenced_mgr->mutex);
- /*
- * This should only be called when the buffer is validated. Typically
+ /* This should only be called when the buffer is validated. Typically
* when processing relocations.
*/
assert(fenced_buf->vl);
assert(fenced_buf->buffer);
- if(fenced_buf->buffer)
+ if (fenced_buf->buffer) {
pb_get_base_buffer(fenced_buf->buffer, base_buf, offset);
- else {
+ } else {
*base_buf = buf;
*offset = 0;
}
static const struct pb_vtbl
fenced_buffer_vtbl = {
- fenced_buffer_destroy,
- fenced_buffer_map,
- fenced_buffer_unmap,
- fenced_buffer_validate,
- fenced_buffer_fence,
- fenced_buffer_get_base_buffer
+ fenced_buffer_destroy,
+ fenced_buffer_map,
+ fenced_buffer_unmap,
+ fenced_buffer_validate,
+ fenced_buffer_fence,
+ fenced_buffer_get_base_buffer
};
struct fenced_buffer *fenced_buf;
enum pipe_error ret;
- /*
- * Don't stall the GPU, waste time evicting buffers, or waste memory
+ /* Don't stall the GPU, waste time evicting buffers, or waste memory
* trying to create a buffer that will most likely never fit into the
* graphics aperture.
*/
- if(size > fenced_mgr->max_buffer_size) {
+ if (size > fenced_mgr->max_buffer_size) {
goto no_buffer;
}
pipe_mutex_lock(fenced_mgr->mutex);
- /*
- * Try to create GPU storage without stalling,
- */
+ /* Try to create GPU storage without stalling. */
ret = fenced_buffer_create_gpu_storage_locked(fenced_mgr, fenced_buf, FALSE);
- /*
- * Attempt to use CPU memory to avoid stalling the GPU.
- */
- if(ret != PIPE_OK) {
+ /* Attempt to use CPU memory to avoid stalling the GPU. */
+ if (ret != PIPE_OK) {
ret = fenced_buffer_create_cpu_storage_locked(fenced_mgr, fenced_buf);
}
- /*
- * Create GPU storage, waiting for some to be available.
- */
- if(ret != PIPE_OK) {
+ /* Create GPU storage, waiting for some to be available. */
+ if (ret != PIPE_OK) {
ret = fenced_buffer_create_gpu_storage_locked(fenced_mgr, fenced_buf, TRUE);
}
- /*
- * Give up.
- */
- if(ret != PIPE_OK) {
+ /* Give up. */
+ if (ret != PIPE_OK) {
goto no_storage;
}
return &fenced_buf->base;
-no_storage:
+ no_storage:
pipe_mutex_unlock(fenced_mgr->mutex);
FREE(fenced_buf);
-no_buffer:
+ no_buffer:
return NULL;
}
struct fenced_manager *fenced_mgr = fenced_manager(mgr);
pipe_mutex_lock(fenced_mgr->mutex);
- while(fenced_manager_check_signalled_locked(fenced_mgr, TRUE))
+ while (fenced_manager_check_signalled_locked(fenced_mgr, TRUE))
;
pipe_mutex_unlock(fenced_mgr->mutex);
assert(fenced_mgr->provider->flush);
- if(fenced_mgr->provider->flush)
+ if (fenced_mgr->provider->flush)
fenced_mgr->provider->flush(fenced_mgr->provider);
}
pipe_mutex_lock(fenced_mgr->mutex);
- /* Wait on outstanding fences */
+ /* Wait on outstanding fences. */
while (fenced_mgr->num_fenced) {
pipe_mutex_unlock(fenced_mgr->mutex);
#if defined(PIPE_OS_LINUX) || defined(PIPE_OS_BSD) || defined(PIPE_OS_SOLARIS)
sched_yield();
#endif
pipe_mutex_lock(fenced_mgr->mutex);
- while(fenced_manager_check_signalled_locked(fenced_mgr, TRUE))
+ while (fenced_manager_check_signalled_locked(fenced_mgr, TRUE))
;
}
#ifdef DEBUG
- /*assert(!fenced_mgr->num_unfenced);*/
+ /* assert(!fenced_mgr->num_unfenced); */
#endif
pipe_mutex_unlock(fenced_mgr->mutex);
pipe_mutex_destroy(fenced_mgr->mutex);
- if(fenced_mgr->provider)
+ if (fenced_mgr->provider)
fenced_mgr->provider->destroy(fenced_mgr->provider);
fenced_mgr->ops->destroy(fenced_mgr->ops);
projects / mesa.git / commitdiff