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#include "iris_context.h"
#include "iris_seqno.h"
#include "util/u_upload_mgr.h"
static void
iris_seqno_reset(struct iris_batch *batch)
{
u_upload_alloc(batch->seqno.uploader, 0, sizeof(uint64_t), sizeof(uint64_t),
&batch->seqno.ref.offset, &batch->seqno.ref.res,
(void **)&batch->seqno.map);
WRITE_ONCE(*batch->seqno.map, 0);
batch->seqno.next++;
}
void
iris_seqno_init(struct iris_batch *batch)
{
batch->seqno.ref.res = NULL;
batch->seqno.next = 0;
iris_seqno_reset(batch);
}
static uint32_t
iris_seqno_next(struct iris_batch *batch)
{
uint32_t seqno = batch->seqno.next++;
if (batch->seqno.next == 0)
iris_seqno_reset(batch);
return seqno;
}
void
iris_seqno_destroy(struct iris_screen *screen, struct iris_seqno *sq)
{
iris_syncobj_reference(screen, &sq->syncobj, NULL);
pipe_resource_reference(&sq->ref.res, NULL);
free(sq);
}
struct iris_seqno *
iris_seqno_new(struct iris_batch *batch, unsigned flags)
{
struct iris_seqno *sq = calloc(1, sizeof(*sq));
if (!sq)
return NULL;
pipe_reference_init(&sq->reference, 1);
sq->seqno = iris_seqno_next(batch);
iris_syncobj_reference(batch->screen, &sq->syncobj,
iris_batch_get_signal_syncobj(batch));
pipe_resource_reference(&sq->ref.res, batch->seqno.ref.res);
sq->ref.offset = batch->seqno.ref.offset;
sq->map = batch->seqno.map;
sq->flags = flags;
unsigned pc;
if (flags & IRIS_SEQNO_TOP_OF_PIPE) {
pc = PIPE_CONTROL_WRITE_IMMEDIATE | PIPE_CONTROL_CS_STALL;
} else {
pc = PIPE_CONTROL_WRITE_IMMEDIATE |
PIPE_CONTROL_RENDER_TARGET_FLUSH |
PIPE_CONTROL_DEPTH_CACHE_FLUSH |
PIPE_CONTROL_DATA_CACHE_FLUSH;
}
iris_emit_pipe_control_write(batch, "fence: seqno", pc,
iris_resource_bo(sq->ref.res),
sq->ref.offset,
sq->seqno);
return sq;
}
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