src/gallium/drivers/r300/r300_flush.c

   1 /*
   2  * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
   3  * Copyright 2010 Marek Olšák <maraeo@gmail.com>
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  23
  24 #include "draw/draw_context.h"
  25 #include "draw/draw_private.h"
  26
  27 #include "util/u_simple_list.h"
  28
  29 #include "r300_context.h"
  30 #include "r300_cs.h"
  31 #include "r300_emit.h"
  32
  33 static void r300_flush(struct pipe_context* pipe,
  34                        unsigned flags,
  35                        struct pipe_fence_handle** fence)
  36 {
  37     struct r300_context *r300 = r300_context(pipe);
  38     struct r300_query *query;
  39     struct r300_atom *atom;
  40     struct r300_fence **rfence = (struct r300_fence**)fence;
  41
  42     /* We probably need to flush Draw, but we may have been called from
  43      * within Draw. This feels kludgy, but it might be the best thing.
  44      *
  45      * Of course, the best thing is to kill Draw with fire. :3 */
  46     if (r300->draw && !r300->draw->flushing) {
  47         draw_flush(r300->draw);
  48     }
  49
  50     if (r300->dirty_hw) {
  51         r300_emit_hyperz_end(r300);
  52         r300_emit_query_end(r300);
  53
  54         r300->flush_counter++;
  55         r300->rws->cs_flush(r300->cs);
  56         r300->dirty_hw = 0;
  57
  58         /* New kitchen sink, baby. */
  59         foreach(atom, &r300->atom_list) {
  60             if (atom->state || atom->allow_null_state) {
  61                 atom->dirty = TRUE;
  62             }
  63         }
  64
  65         /* Unmark HWTCL state for SWTCL. */
  66         if (!r300->screen->caps.has_tcl) {
  67             r300->vs_state.dirty = FALSE;
  68             r300->vs_constants.dirty = FALSE;
  69         }
  70     }
  71
  72     /* reset flushed query */
  73     foreach(query, &r300->query_list) {
  74         query->flushed = TRUE;
  75     }
  76
  77     /* Create a new fence. */
  78     if (rfence) {
  79         *rfence = CALLOC_STRUCT(r300_fence);
  80         pipe_reference_init(&(*rfence)->reference, 1);
  81         (*rfence)->ctx = r300;
  82     }
  83 }
  84
  85 void r300_init_flush_functions(struct r300_context* r300)
  86 {
  87     r300->context.flush = r300_flush;
  88 }