source/glsl/reflect.cpp

   1 #include "reflect.h"
   2
   3 namespace Msp {
   4 namespace GL {
   5 namespace SL {
   6
   7 LocationCounter::LocationCounter():
   8         r_count(0)
   9 { }
  10
  11 void LocationCounter::visit(BasicTypeDeclaration &basic)
  12 {
  13         r_count = basic.kind==BasicTypeDeclaration::MATRIX ? basic.size>>16 : 1;
  14 }
  15
  16 void LocationCounter::visit(ImageTypeDeclaration &)
  17 {
  18         r_count = 1;
  19 }
  20
  21 void LocationCounter::visit(StructDeclaration &strct)
  22 {
  23         unsigned total = 0;
  24         for(NodeList<Statement>::const_iterator i=strct.members.body.begin(); i!=strct.members.body.end(); ++i)
  25         {
  26                 r_count = 1;
  27                 (*i)->visit(*this);
  28                 total += r_count;
  29         }
  30         r_count = total;
  31 }
  32
  33 void LocationCounter::visit(VariableDeclaration &var)
  34 {
  35         r_count = 1;
  36         if(var.type_declaration)
  37                 var.type_declaration->visit(*this);
  38         if(var.array)
  39                 if(const Literal *literal = dynamic_cast<const Literal *>(var.array_size.get()))
  40                         if(literal->value.check_type<int>())
  41                                 r_count *= literal->value.value<int>();
  42 }
  43
  44 } // namespace SL
  45 } // namespace GL
  46 } // namespace Msp