147 lines
3.8 KiB
C
147 lines
3.8 KiB
C
/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
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/*
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* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Rob Clark <robclark@freedesktop.org>
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <assert.h>
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#include "freedreno_drmif.h"
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#include "freedreno_priv.h"
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#include "freedreno_ringbuffer.h"
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struct fd_ringbuffer *
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fd_ringbuffer_new(struct fd_pipe *pipe, uint32_t size)
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{
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struct fd_ringbuffer *ring;
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ring = pipe->funcs->ringbuffer_new(pipe, size);
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if (!ring)
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return NULL;
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ring->size = size;
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ring->pipe = pipe;
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ring->start = ring->funcs->hostptr(ring);
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ring->end = &(ring->start[size/4]);
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ring->cur = ring->last_start = ring->start;
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return ring;
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}
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void fd_ringbuffer_del(struct fd_ringbuffer *ring)
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{
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ring->funcs->destroy(ring);
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}
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/* ringbuffers which are IB targets should set the toplevel rb (ie.
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* the IB source) as it's parent before emitting reloc's, to ensure
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* the bookkeeping works out properly.
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*/
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void fd_ringbuffer_set_parent(struct fd_ringbuffer *ring,
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struct fd_ringbuffer *parent)
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{
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ring->parent = parent;
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}
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void fd_ringbuffer_reset(struct fd_ringbuffer *ring)
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{
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uint32_t *start = ring->start;
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if (ring->pipe->id == FD_PIPE_2D)
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start = &ring->start[0x140];
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ring->cur = ring->last_start = start;
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if (ring->funcs->reset)
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ring->funcs->reset(ring);
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}
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/* maybe get rid of this and use fd_ringmarker_flush() from DDX too? */
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int fd_ringbuffer_flush(struct fd_ringbuffer *ring)
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{
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return ring->funcs->flush(ring, ring->last_start);
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}
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uint32_t fd_ringbuffer_timestamp(struct fd_ringbuffer *ring)
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{
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return ring->last_timestamp;
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}
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void fd_ringbuffer_reloc(struct fd_ringbuffer *ring,
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const struct fd_reloc *reloc)
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{
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ring->funcs->emit_reloc(ring, reloc);
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}
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void
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fd_ringbuffer_emit_reloc_ring(struct fd_ringbuffer *ring,
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struct fd_ringmarker *target,
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struct fd_ringmarker *end)
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{
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assert(target->ring == end->ring);
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ring->funcs->emit_reloc_ring(ring, target, end);
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}
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struct fd_ringmarker * fd_ringmarker_new(struct fd_ringbuffer *ring)
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{
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struct fd_ringmarker *marker = NULL;
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marker = calloc(1, sizeof(*marker));
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if (!marker) {
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ERROR_MSG("allocation failed");
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return NULL;
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}
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marker->ring = ring;
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fd_ringmarker_mark(marker);
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return marker;
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}
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void fd_ringmarker_del(struct fd_ringmarker *marker)
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{
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free(marker);
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}
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void fd_ringmarker_mark(struct fd_ringmarker *marker)
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{
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marker->cur = marker->ring->cur;
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}
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uint32_t fd_ringmarker_dwords(struct fd_ringmarker *start,
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struct fd_ringmarker *end)
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{
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return end->cur - start->cur;
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}
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int fd_ringmarker_flush(struct fd_ringmarker *marker)
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{
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struct fd_ringbuffer *ring = marker->ring;
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return ring->funcs->flush(ring, marker->cur);
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}
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