src/gallium/drivers/r300/r300_flush.c

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #include "r300_flush.h"
  24
  25 static void r300_flush(struct pipe_context* pipe,
  26                        unsigned flags,
  27                        struct pipe_fence_handle** fence)
  28 {
  29     struct r300_context* r300 = r300_context(pipe);
  30     CS_LOCALS(r300);
  31
  32     /* We probably need to flush Draw, but we may have been called from
  33      * within Draw. This feels kludgy, but it might be the best thing. */
  34     if (!r300->draw->flushing) {
  35         draw_flush(r300->draw);
  36     }
  37
  38     if (r300->dirty_hw) {
  39         FLUSH_CS;
  40         r300_emit_invariant_state(r300);
  41         r300->dirty_state = R300_NEW_KITCHEN_SINK;
  42         r300->dirty_hw = 0;
  43     }
  44 }
  45
  46 void r300_init_flush_functions(struct r300_context* r300)
  47 {
  48     r300->context.flush = r300_flush;
  49 }