/**
* Reallocate the parser bo.
*/
static void
ilo_cp_realloc_bo(struct ilo_cp *cp)
{
struct intel_bo *bo;
/*
* allocate the new bo before unreferencing the old one so that they
* won't point at the same address, which is needed for jmpbuf
*/
bo = intel_winsys_alloc_buffer(cp->winsys,
"batch buffer", cp->bo_size * 4, 0);
if (unlikely(!bo)) {
/* reuse the old one */
bo = cp->bo;
intel_bo_reference(bo);
}
if (cp->bo)
intel_bo_unreference(cp->bo);
cp->bo = bo;
if (!cp->sys) {
intel_bo_map(cp->bo, true);
cp->ptr = intel_bo_get_virtual(cp->bo);
}
}
/**
* Flush the command parser and execute the commands. When the parser buffer
* is empty, the callback is not invoked.
*/
void
ilo_cp_flush_internal(struct ilo_cp *cp)
{
const bool do_exec = !(ilo_debug & ILO_DEBUG_NOHW);
struct intel_bo *bo;
unsigned used;
int err;
bo = ilo_cp_end_batch(cp, &used);
if (!bo)
return;
if (likely(do_exec)) {
err = intel_winsys_submit_bo(cp->winsys, cp->ring,
bo, used, cp->render_ctx, cp->one_off_flags);
}
else {
err = 0;
}
cp->one_off_flags = 0;
if (!err) {
if (cp->last_submitted_bo)
intel_bo_unreference(cp->last_submitted_bo);
cp->last_submitted_bo = bo;
intel_bo_reference(cp->last_submitted_bo);
if (cp->flush_callback)
cp->flush_callback(cp, cp->flush_callback_data);
}
ilo_builder_begin(&cp->builder);
}
static void
ilo_context_cp_flushed(struct ilo_cp *cp, void *data)
{
struct ilo_context *ilo = ilo_context(data);
if (ilo->last_cp_bo)
intel_bo_unreference(ilo->last_cp_bo);
/* remember the just flushed bo, on which fences could wait */
ilo->last_cp_bo = cp->bo;
intel_bo_reference(ilo->last_cp_bo);
ilo_3d_cp_flushed(ilo->hw3d);
}