src/gallium/drivers/cell/ppu/cell_flush.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28
  29 #include "cell_context.h"
  30 #include "cell_batch.h"
  31 #include "cell_flush.h"
  32 #include "cell_spu.h"
  33 #include "cell_render.h"
  34 #include "draw/draw_context.h"
  35
  36
  37 void
  38 cell_flush(struct pipe_context *pipe, unsigned flags)
  39 {
  40    struct cell_context *cell = cell_context(pipe);
  41
  42    if (flags & PIPE_FLUSH_SWAPBUFFERS)
  43       flags |= PIPE_FLUSH_WAIT;
  44
  45    draw_flush( cell->draw );
  46    cell_flush_int(pipe, flags);
  47 }
  48
  49
  50 /** internal flush */
  51 void
  52 cell_flush_int(struct pipe_context *pipe, unsigned flags)
  53 {
  54    static boolean flushing = FALSE;  /* recursion catcher */
  55    struct cell_context *cell = cell_context(pipe);
  56    uint i;
  57
  58    ASSERT(!flushing);
  59    flushing = TRUE;
  60
  61    if (flags & PIPE_FLUSH_WAIT) {
  62       uint64_t *cmd = (uint64_t *) cell_batch_alloc(cell, sizeof(uint64_t));
  63       *cmd = CELL_CMD_FINISH;
  64    }
  65
  66    cell_batch_flush(cell);
  67
  68 #if 0
  69    /* Send CMD_FINISH to all SPUs */
  70    for (i = 0; i < cell->num_spus; i++) {
  71       send_mbox_message(cell_global.spe_contexts[i], CELL_CMD_FINISH);
  72    }
  73 #endif
  74
  75    if (flags & PIPE_FLUSH_WAIT) {
  76       /* Wait for ack */
  77       for (i = 0; i < cell->num_spus; i++) {
  78          uint k = wait_mbox_message(cell_global.spe_contexts[i]);
  79          assert(k == CELL_CMD_FINISH);
  80       }
  81    }
  82
  83    flushing = FALSE;
  84 }
  85
  86
  87 void
  88 cell_flush_buffer_range(struct cell_context *cell, void *ptr,
  89                         unsigned size)
  90 {
  91    uint64_t batch[1 + (ROUNDUP8(sizeof(struct cell_buffer_range)) / 8)];
  92    struct cell_buffer_range *br = (struct cell_buffer_range *) & batch[1];
  93
  94    batch[0] = CELL_CMD_FLUSH_BUFFER_RANGE;
  95    br->base = (uintptr_t) ptr;
  96    br->size = size;
  97    cell_batch_append(cell, batch, sizeof(batch));
  98 }