-#include "except.h"
+#include <msp/gl/extensions/arb_texture_float.h>
+#include <msp/gl/extensions/ext_bgra.h>
+#include <msp/strings/format.h>
#include "pixelformat.h"
using namespace std;
namespace Msp {
namespace GL {
-istream &operator>>(istream &in, PixelFormat &fmt)
+void operator>>(const LexicalConverter &conv, PixelFormat &fmt)
{
- string word;
-
- in>>word;
- if(word=="COLOR_INDEX")
+ if(conv.get()=="COLOR_INDEX")
fmt = COLOR_INDEX;
- else if(word=="STENCIL_INDEX")
+ else if(conv.get()=="STENCIL_INDEX")
fmt = STENCIL_INDEX;
- else if(word=="DEPTH_COMPONENT")
+ else if(conv.get()=="DEPTH_COMPONENT")
fmt = DEPTH_COMPONENT;
- else if(word=="RED")
+ else if(conv.get()=="RED")
fmt = RED;
- else if(word=="GREEN")
+ else if(conv.get()=="GREEN")
fmt = GREEN;
- else if(word=="BLUE")
+ else if(conv.get()=="BLUE")
fmt = BLUE;
- else if(word=="ALPHA")
+ else if(conv.get()=="ALPHA")
fmt = ALPHA;
- else if(word=="RGB")
+ else if(conv.get()=="RGB")
fmt = RGB;
- else if(word=="RGBA")
+ else if(conv.get()=="RGBA")
fmt = RGBA;
- else if(word=="BGR")
+ else if(conv.get()=="BGR")
fmt = BGR;
- else if(word=="BGRA")
+ else if(conv.get()=="BGRA")
fmt = BGRA;
- else if(word=="LUMINANCE")
+ else if(conv.get()=="LUMINANCE")
fmt = LUMINANCE;
- else if(word=="LUMINANCE_ALPHA")
+ else if(conv.get()=="LUMINANCE_ALPHA")
fmt = LUMINANCE_ALPHA;
else
- in.setstate(ios_base::failbit);
-
- return in;
+ throw lexical_error(format("conversion of '%s' to PixelFormat", conv.get()));
}
PixelFormat pixelformat_from_graphics(Graphics::PixelFormat pf)
case Graphics::RGBA: return RGBA;
case Graphics::BGR: return BGR;
case Graphics::BGRA: return BGRA;
- default: throw InvalidParameterValue("Unknown Graphics::PixelFormat");
+ default: throw invalid_argument("pixelformat_from_graphics");
}
}
}
}
+void require_pixelformat(PixelFormat pf)
+{
+ switch(pf)
+ {
+ case RGB16F:
+ case RGB32F:
+ case RGBA16F:
+ case RGBA32F:
+ case LUMINANCE16F:
+ case LUMINANCE32F:
+ case LUMINANCE_ALPHA16F:
+ case LUMINANCE_ALPHA32F:
+ { static Require _req(ARB_texture_float); }
+ break;
+ case BGR:
+ case BGRA:
+ { static Require _req(EXT_bgra); }
+ break;
+ default:
+ break;
+ }
+}
+
} // namespace GL
} // namespace Msp