src/mesa/pipe/cell/ppu/cell_clear.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  * Authors
  30  *  Brian Paul
  31  */
  32
  33 #include <stdio.h>
  34 #include <assert.h>
  35 #include <stdint.h>
  36 #include "pipe/p_inlines.h"
  37 #include "pipe/p_util.h"
  38 #include "pipe/cell/common.h"
  39 #include "cell_clear.h"
  40 #include "cell_context.h"
  41 #include "cell_batch.h"
  42 #include "cell_flush.h"
  43 #include "cell_spu.h"
  44
  45
  46 void
  47 cell_clear_surface(struct pipe_context *pipe, struct pipe_surface *ps,
  48                    unsigned clearValue)
  49 {
  50    struct cell_context *cell = cell_context(pipe);
  51    /*uint i;*/
  52    uint surfIndex;
  53
  54    if (!cell->cbuf_map[0])
  55       cell->cbuf_map[0] = pipe_surface_map(ps);
  56
  57    if (ps == cell->framebuffer.zsbuf) {
  58       surfIndex = 1;
  59    }
  60    else {
  61       surfIndex = 0;
  62    }
  63
  64 #if 0
  65    for (i = 0; i < cell->num_spus; i++) {
  66 #if 1
  67       uint clr = clearValue;
  68       if (surfIndex == 0) {
  69          /* XXX debug: clear color varied per-SPU to visualize tiles */
  70          if ((clr & 0xff) == 0)
  71             clr |= 64 + i * 8;
  72          if ((clr & 0xff00) == 0)
  73             clr |= (64 + i * 8) << 8;
  74          if ((clr & 0xff0000) == 0)
  75             clr |= (64 + i * 8) << 16;
  76          if ((clr & 0xff000000) == 0)
  77             clr |= (64 + i * 8) << 24;
  78       }
  79       cell_global.command[i].clear.value = clr;
  80 #else
  81       cell_global.command[i].clear.value = clearValue;
  82 #endif
  83       cell_global.command[i].clear.surface = surfIndex;
  84       send_mbox_message(cell_global.spe_contexts[i], CELL_CMD_CLEAR_SURFACE);
  85    }
  86 #else
  87    {
  88       struct cell_command_clear_surface *clr
  89          = (struct cell_command_clear_surface *)
  90          cell_batch_alloc(cell, sizeof(*clr));
  91       clr->opcode = CELL_CMD_CLEAR_SURFACE;
  92       clr->surface = surfIndex;
  93       clr->value = clearValue;
  94    }
  95 #endif
  96
  97    /* XXX temporary */
  98    cell_flush(&cell->pipe, 0x0);
  99
 100 }