+++ /dev/null
-#include <algorithm>
-#include <msp/strings/format.h>
-#include <msp/strings/lexicalcast.h>
-#include <msp/strings/utils.h>
-#include "error.h"
-#include "vertexformat.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-VertexFormat::VertexFormat():
- count(0)
-{ }
-
-VertexFormat::VertexFormat(VertexComponent c):
- count(1)
-{
- components[0] = c;
-}
-
-VertexFormat VertexFormat::operator,(VertexComponent c) const
-{
- if(count>=MAX_COMPONENTS)
- throw invalid_operation("VertexFormat::operator,");
-
- VertexFormat r = *this;
- r.components[r.count++] = c;
-
- return r;
-}
-
-VertexFormat VertexFormat::operator,(unsigned i) const
-{
- if(!count)
- throw invalid_operation("VertexFormat::operator,");
-
- VertexFormat r = *this;
- unsigned char *c = &r.components[r.count-1];
- *c = make_indexed_component(static_cast<VertexComponent>(*c), i);
-
- return r;
-}
-
-bool VertexFormat::operator==(const VertexFormat &other) const
-{
- if(count!=other.count)
- return false;
- return equal(components, components+count, other.components);
-}
-
-unsigned VertexFormat::stride() const
-{
- unsigned s = 0;
- for(const unsigned char *i=begin(); i!=end(); ++i)
- s += get_component_size(*i);
- return s;
-}
-
-int VertexFormat::offset(VertexComponent comp) const
-{
- unsigned type = get_component_type(comp);
- unsigned size = get_component_size(comp);
- unsigned offs = 0;
- for(const unsigned char *i=begin(); i!=end(); ++i)
- {
- if(get_component_type(*i)==type)
- {
- if(get_component_size(*i)>=size)
- return offs;
- else
- return -1;
- }
- else
- offs += get_component_size(*i);
- }
-
- return -1;
-}
-
-VertexComponent make_indexed_component(VertexComponent comp, unsigned index)
-{
- if(comp>=TEXCOORD1 && comp<=TEXCOORD4)
- {
- if(index>=4)
- throw out_of_range("make_indexed_component");
- }
- else if(comp>=ATTRIB1 && comp<=ATTRIB4)
- {
- if(index>=24)
- throw out_of_range("make_indexed_component");
- }
- else
- throw invalid_argument("make_indexed_component");
- return static_cast<VertexComponent>(comp+index*4);
-}
-
-void operator>>(const LexicalConverter &conv, VertexComponent &c)
-{
- const string &str = conv.get();
- if(str.size()==7 && !str.compare(0, 6, "VERTEX") && str[6]>='2' && str[6]<='4')
- c = static_cast<VertexComponent>(VERTEX2+(str[6]-'2'));
- else if(str=="NORMAL3")
- c = NORMAL3;
- else if(str.size()==12 && !str.compare(0, 5, "COLOR") && str[5]>='3' && str[5]<='4' && !str.compare(6, 6, "_FLOAT"))
- c = static_cast<VertexComponent>(COLOR3_FLOAT+(str[5]-'3'));
- else if(str=="COLOR4_UBYTE")
- c = COLOR4_UBYTE;
- else if(str=="TANGENT3")
- c = TANGENT3;
- else if(str=="BINORMAL3")
- c = BINORMAL3;
- else if(str.size()>=9 && !str.compare(0, 8, "TEXCOORD") && str[8]>='1' && str[8]<='4')
- {
- if(str.size()==9)
- c = static_cast<VertexComponent>(TEXCOORD1+(str[8]-'1'));
- else if(str.size()==11 && str[9]=='_' && str[10]>='0' && str[10]<='7')
- c = static_cast<VertexComponent>(TEXCOORD1+(str[8]-'1')+(str[10]-'0')*4);
- else
- throw lexical_error(format("conversion of '%s' to VertexComponent", str));
- }
- else if(str.size()>=9 && !str.compare(0, 6, "ATTRIB") && str[6]>='1' && str[6]<='4' && str[7]=='_')
- {
- unsigned n;
- try
- {
- n = lexical_cast<unsigned>(str.substr(8));
- }
- catch(const lexical_error &)
- {
- throw lexical_error(format("conversion of '%s' to VertexComponent", str));
- }
- c = static_cast<VertexComponent>(ATTRIB1+(str[6]-'1')+n*4);
- }
- else
- throw lexical_error(format("conversion of '%s' to VertexComponent", str));
-}
-
-} // namespace GL
-} // namespace Msp