src/gallium/drivers/r600/sb/sb_pass.cpp

   1 /*
   2  * Copyright 2013 Vadim Girlin <vadimgirlin@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  * Authors:
  24  *      Vadim Girlin
  25  */
  26
  27 #include "sb_shader.h"
  28 #include "sb_pass.h"
  29
  30 namespace r600_sb {
  31
  32 pass::pass(shader &s) : ctx(s.get_ctx()), sh(s) {}
  33
  34 int pass::run() { return -1; }
  35
  36 int vpass::init() { return 0; }
  37 int vpass::done() {     return 0; }
  38
  39 int vpass::run() {
  40         int r;
  41         if ((r = init()))
  42                 return r;
  43
  44         run_on(*sh.root);
  45
  46         if ((r = done()))
  47                 return r;
  48
  49         return 0;
  50 }
  51
  52 void vpass::run_on(container_node &n) {
  53         if (n.accept(*this, true)) {
  54
  55                 for (node_iterator N, I = n.begin(), E = n.end(); I != E; I = N) {
  56                         N = I;
  57                         ++N;
  58
  59                         if (I->is_container()) {
  60                                 container_node *c = static_cast<container_node*>(*I);
  61                                 run_on(*c);
  62                         } else {
  63                                 I->accept(*this, true);
  64                                 I->accept(*this, false);
  65                         }
  66                 }
  67
  68         }
  69         n.accept(*this, false);
  70 }
  71
  72 bool vpass::visit(node& n, bool enter) { return true; }
  73 bool vpass::visit(container_node& n, bool enter) { return true; }
  74 bool vpass::visit(alu_group_node& n, bool enter) { return true; }
  75 bool vpass::visit(cf_node& n, bool enter) { return true; }
  76 bool vpass::visit(alu_node& n, bool enter) { return true; }
  77 bool vpass::visit(alu_packed_node& n, bool enter) { return true; }
  78 bool vpass::visit(fetch_node& n, bool enter) { return true; }
  79 bool vpass::visit(region_node& n, bool enter) { return true; }
  80 bool vpass::visit(repeat_node& n, bool enter) { return true; }
  81 bool vpass::visit(depart_node& n, bool enter) { return true; }
  82 bool vpass::visit(if_node& n, bool enter) { return true; }
  83 bool vpass::visit(bb_node& n, bool enter) { return true; }
  84
  85 void rev_vpass::run_on(container_node& n) {
  86         if (n.accept(*this, true)) {
  87
  88                 for (node_riterator N, I = n.rbegin(), E = n.rend(); I != E; I = N) {
  89                         N = I;
  90                         ++N;
  91
  92                         if (I->is_container()) {
  93                                 container_node *c = static_cast<container_node*>(*I);
  94                                 run_on(*c);
  95                         } else {
  96                                 I->accept(*this, true);
  97                                 I->accept(*this, false);
  98                         }
  99                 }
 100
 101         }
 102         n.accept(*this, false);
 103 }
 104
 105 } // namespace r600_sb