source/core/stenciltest.cpp

   1 #include <stdexcept>
   2 #include <msp/strings/format.h>
   3 #include "stenciltest.h"
   4
   5 using namespace std;
   6
   7 namespace Msp {
   8 namespace GL {
   9
  10 StencilTest::Loader::Loader(StencilTest &st):
  11         ObjectLoader<StencilTest>(st)
  12 {
  13         add("compare", &Loader::compare);
  14         add("actions", &Loader::actions);
  15         add("reference", &StencilTest::reference);
  16 }
  17
  18 void StencilTest::Loader::compare(Predicate c)
  19 {
  20         obj.enabled = true;
  21         obj.compare = c;
  22 }
  23
  24 void StencilTest::Loader::actions(StencilOp sf, StencilOp df, StencilOp dp)
  25 {
  26         obj.stencil_fail_op = sf;
  27         obj.depth_fail_op = df;
  28         obj.depth_pass_op = dp;
  29 }
  30
  31
  32 void operator>>(const LexicalConverter &conv, StencilOp &op)
  33 {
  34         const string &str = conv.get();
  35         if(str=="KEEP")
  36                 op = KEEP;
  37         else if(str=="SET_ZERO")
  38                 op = SET_ZERO;
  39         else if(str=="REPLACE")
  40                 op = REPLACE;
  41         else if(str=="INCR_CLAMP")
  42                 op = INCR_CLAMP;
  43         else if(str=="DECR_CLAMP")
  44                 op = DECR_CLAMP;
  45         else if(str=="INVERT")
  46                 op = INVERT;
  47         else if(str=="INCR_WRAP")
  48                 op = INCR_WRAP;
  49         else if(str=="DECR_WRAP")
  50                 op = DECR_WRAP;
  51         else
  52                 throw lexical_error(format("conversion of '%s' to StencilOp", str));
  53 }
  54
  55 void operator<<(LexicalConverter &conv, StencilOp op)
  56 {
  57         switch(op)
  58         {
  59         case KEEP: conv.result("KEEP"); break;
  60         case SET_ZERO: conv.result("SET_ZERO"); break;
  61         case REPLACE: conv.result("REPLACE"); break;
  62         case INCR_CLAMP: conv.result("INCR_CLAMP"); break;
  63         case DECR_CLAMP: conv.result("DECR_CLAMP"); break;
  64         case INVERT: conv.result("INVERT"); break;
  65         case INCR_WRAP: conv.result("INCR_WRAP"); break;
  66         case DECR_WRAP: conv.result("DECR_WRAP"); break;
  67         default: conv.result(format("StencilOp(%#x)", static_cast<int>(op)));
  68         }
  69 }
  70
  71 } // namespace GL
  72 } // namespace Msp