kolibrios/contrib/sdk/sources/Intel-2D/sna/gen6_common.c

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/*
* Copyright © 2011-2013 Intel Corporation
*
* 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, sublicense,
* 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 above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*
* Authors:
* Chris Wilson <chris@chris-wilson.co.uk>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gen6_common.h"
#include "gen4_vertex.h"
void
gen6_render_context_switch(struct kgem *kgem,
int new_mode)
{
if (kgem->nbatch) {
DBG(("%s: from %d to %d, submit batch\n", __FUNCTION__, kgem->mode, new_mode));
_kgem_submit(kgem);
}
if (kgem->nexec) {
DBG(("%s: from %d to %d, reset incomplete batch\n", __FUNCTION__, kgem->mode, new_mode));
kgem_reset(kgem);
}
assert(kgem->nbatch == 0);
assert(kgem->nreloc == 0);
assert(kgem->nexec == 0);
kgem->ring = new_mode;
}
void gen6_render_retire(struct kgem *kgem)
{
struct sna *sna;
if (kgem->ring && (kgem->has_semaphores || !kgem->need_retire))
kgem->ring = kgem->mode;
sna = container_of(kgem, struct sna, kgem);
if (sna->render.nvertex_reloc == 0 &&
sna->render.vbo &&
!kgem_bo_is_busy(sna->render.vbo)) {
DBG(("%s: resetting idle vbo\n", __FUNCTION__));
sna->render.vertex_used = 0;
sna->render.vertex_index = 0;
}
}