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 "draw/draw_context.h"
  24 #include "draw/draw_private.h"
  25
  26 #include "util/u_simple_list.h"
  27
  28 #include "r300_context.h"
  29 #include "r300_cs.h"
  30 #include "r300_emit.h"
  31 #include "r300_flush.h"
  32 #include "r300_state_invariant.h"
  33
  34 static void r300_flush(struct pipe_context* pipe,
  35                        unsigned flags,
  36                        struct pipe_fence_handle** fence)
  37 {
  38     struct r300_context *r300 = r300_context(pipe);
  39     struct r300_query *query;
  40     struct r300_atom *atom;
  41
  42     CS_LOCALS(r300);
  43     (void) cs_count;
  44     /* We probably need to flush Draw, but we may have been called from
  45      * within Draw. This feels kludgy, but it might be the best thing.
  46      *
  47      * Of course, the best thing is to kill Draw with fire. :3 */
  48     if (r300->draw && !r300->draw->flushing) {
  49         draw_flush(r300->draw);
  50     }
  51
  52     r300_emit_query_end(r300);
  53
  54     if (r300->dirty_hw) {
  55         FLUSH_CS;
  56         r300_emit_invariant_state(r300);
  57         r300->dirty_state = R300_NEW_KITCHEN_SINK;
  58         r300->dirty_hw = 0;
  59
  60         /* New kitchen sink, baby. */
  61         foreach(atom, &r300->atom_list) {
  62             if (atom->state) {
  63                 atom->dirty = TRUE;
  64             }
  65         }
  66     }
  67
  68     /* reset flushed query */
  69     foreach(query, &r300->query_list) {
  70         query->flushed = TRUE;
  71     }
  72 }
  73
  74
  75 void r300_init_flush_functions(struct r300_context* r300)
  76 {
  77     r300->context.flush = r300_flush;
  78 }