void
_brw_batchbuffer_flush(struct brw_batchbuffer *batch,
const char *file,
int line)
{
GLuint used = batch->ptr - batch->map;
if (used == 0)
return;
/* Post-swap throttling done by the state tracker.
*/
if (BRW_DEBUG & DEBUG_BATCH)
debug_printf("%s:%d: Batchbuffer flush with %db used\n",
file, line, used);
if (ALWAYS_EMIT_MI_FLUSH) {
*(GLuint *) (batch->ptr) = MI_FLUSH | BRW_FLUSH_STATE_CACHE;
batch->ptr += 4;
used = batch->ptr - batch->map;
}
/* Round batchbuffer usage to 2 DWORDs.
*/
if ((used & 4) == 0) {
*(GLuint *) (batch->ptr) = 0; /* noop */
batch->ptr += 4;
used = batch->ptr - batch->map;
}
/* Mark the end of the buffer.
*/
*(GLuint *) (batch->ptr) = MI_BATCH_BUFFER_END;
batch->ptr += 4;
used = batch->ptr - batch->map;
batch->sws->bo_flush_range(batch->buf, 0, used);
batch->sws->bo_unmap(batch->buf);
batch->map = NULL;
batch->ptr = NULL;
batch->sws->bo_exec(batch->buf, used );
if (BRW_DEBUG & DEBUG_SYNC) {
/* Abuse map/unmap to achieve wait-for-fence.
*
* XXX: hide this inside the winsys and export a fence
* interface.
*/
debug_printf("waiting for idle\n");
batch->sws->bo_wait_idle(batch->buf);
}
/* Reset the buffer:
*/
brw_batchbuffer_reset(batch);
}
struct brw_batchbuffer *
brw_batchbuffer_alloc(struct brw_winsys_screen *sws)
{
struct brw_batchbuffer *batch = CALLOC_STRUCT(brw_batchbuffer);
batch->sws = sws;
brw_batchbuffer_reset(batch);
return batch;
}