src/gallium/drivers/svga/svga_pipe_flush.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 #include "pipe/p_defines.h"
  27 #include "util/u_debug_image.h"
  28 #include "util/u_string.h"
  29 #include "svga_screen.h"
  30 #include "svga_surface.h"
  31 #include "svga_context.h"
  32 #include "svga_debug.h"
  33
  34
  35 static void svga_flush( struct pipe_context *pipe,
  36                         struct pipe_fence_handle **fence,
  37                         unsigned flags)
  38 {
  39    struct svga_context *svga = svga_context(pipe);
  40
  41    /* Emit buffered drawing commands, and any back copies.
  42     */
  43    svga_surfaces_flush( svga );
  44
  45    if (flags & PIPE_FLUSH_FENCE_FD)
  46       svga->swc->hints |= SVGA_HINT_FLAG_EXPORT_FENCE_FD;
  47
  48    /* Flush command queue.
  49     */
  50    svga_context_flush(svga, fence);
  51
  52    SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s fence_ptr %p\n",
  53             __FUNCTION__, fence ? *fence : 0x0);
  54
  55    /* Enable to dump BMPs of the color/depth buffers each frame */
  56    if (0) {
  57       struct pipe_framebuffer_state *fb = &svga->curr.framebuffer;
  58       static unsigned frame_no = 1;
  59       char filename[256];
  60       unsigned i;
  61
  62       for (i = 0; i < fb->nr_cbufs; i++) {
  63          snprintf(filename, sizeof(filename), "cbuf%u_%04u.bmp", i, frame_no);
  64          debug_dump_surface_bmp(&svga->pipe, filename, fb->cbufs[i]);
  65       }
  66
  67       if (0 && fb->zsbuf) {
  68          snprintf(filename, sizeof(filename), "zsbuf_%04u.bmp", frame_no);
  69          debug_dump_surface_bmp(&svga->pipe, filename, fb->zsbuf);
  70       }
  71
  72       ++frame_no;
  73    }
  74 }
  75
  76
  77 /**
  78  * svga_create_fence_fd
  79  *
  80  * Wraps a SVGA fence around an imported file descriptor.  This
  81  * fd represents a fence from another process/device.  The fence created
  82  * here can then be fed into fence_server_sync() so SVGA can synchronize
  83  * with an external process
  84  */
  85 static void
  86 svga_create_fence_fd(struct pipe_context *pipe,
  87                      struct pipe_fence_handle **fence,
  88                      int fd,
  89                      enum pipe_fd_type type)
  90 {
  91    struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
  92
  93    assert(type == PIPE_FD_TYPE_NATIVE_SYNC);
  94    sws->fence_create_fd(sws, fence, fd);
  95 }
  96
  97
  98 /**
  99  * svga_fence_server_sync
 100  *
 101  * This function imports a fence from another process/device into the current
 102  * software context so that SVGA can synchronize with it.
 103  */
 104 static void
 105 svga_fence_server_sync(struct pipe_context *pipe,
 106                        struct pipe_fence_handle *fence)
 107 {
 108    struct svga_winsys_screen *sws = svga_winsys_screen(pipe->screen);
 109    struct svga_context *svga = svga_context(pipe);
 110
 111    sws->fence_server_sync(sws, &svga->swc->imported_fence_fd, fence);
 112 }
 113
 114
 115 void svga_init_flush_functions( struct svga_context *svga )
 116 {
 117    svga->pipe.flush = svga_flush;
 118    svga->pipe.create_fence_fd = svga_create_fence_fd;
 119    svga->pipe.fence_server_sync = svga_fence_server_sync;
 120 }