src/gallium/drivers/llvmpipe/lp_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 /* Author:
  29  *    Keith Whitwell <keith@tungstengraphics.com>
  30  */
  31
  32
  33 #include "pipe/p_defines.h"
  34 #include "draw/draw_context.h"
  35 #include "lp_flush.h"
  36 #include "lp_context.h"
  37 #include "lp_surface.h"
  38 #include "lp_setup.h"
  39
  40
  41 void
  42 llvmpipe_flush( struct pipe_context *pipe,
  43                 unsigned flags,
  44                 struct pipe_fence_handle **fence )
  45 {
  46    struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe);
  47
  48    draw_flush(llvmpipe->draw);
  49
  50    if (fence) {
  51       if ((flags & (PIPE_FLUSH_SWAPBUFFERS |
  52                     PIPE_FLUSH_RENDER_CACHE))) {
  53          /* if we're going to flush the setup/rasterization modules, emit
  54           * a fence.
  55           * XXX this (and the code below) may need fine tuning...
  56           */
  57          *fence = lp_setup_fence( llvmpipe->setup );
  58       }
  59       else {
  60          *fence = NULL;
  61       }
  62    }
  63
  64    /* XXX the lp_setup_flush(flags) param is not a bool, and it's ignored
  65     * at this time!
  66     */
  67    if (flags & PIPE_FLUSH_SWAPBUFFERS) {
  68       lp_setup_flush( llvmpipe->setup, FALSE );
  69    }
  70    else if (flags & PIPE_FLUSH_RENDER_CACHE) {
  71       lp_setup_flush( llvmpipe->setup, TRUE );
  72    }
  73
  74    /* Enable to dump BMPs of the color/depth buffers each frame */
  75 #if 0
  76    if (flags & PIPE_FLUSH_FRAME) {
  77       static unsigned frame_no = 1;
  78       char filename[256];
  79       unsigned i;
  80
  81       for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) {
  82          util_snprintf(filename, sizeof(filename), "cbuf%u_%u", i, frame_no);
  83          debug_dump_surface(filename, llvmpipe->framebuffer.cbufs[i]);
  84       }
  85
  86       if (0) {
  87          util_snprintf(filename, sizeof(filename), "zsbuf_%u", frame_no);
  88          debug_dump_surface(filename, llvmpipe->framebuffer.zsbuf);
  89       }
  90
  91       ++frame_no;
  92    }
  93 #endif
  94 }
  95