00001
00002 #ifndef __sampler_hpp__
00003 #define __sampler_hpp__
00004
00005 #include <crbn/basic/basic.h>
00006 #include <crbn/basic/vec2.hpp>
00007 #include <crbn/basic/vec3.hpp>
00008 #include <crbn/basic/vec4.hpp>
00009
00024 class Sampler
00025 {
00026 public:
00027 Sampler( uint32 nbs = 1 ) : _sample1d( nbs ) { _ok = false; }
00028 virtual ~Sampler() {}
00029
00033 inline uint32 sample_number_1d() { return _sample1d; }
00037 inline uint32 sample_number_2d() { return _sample2d; }
00041 inline uint32 sample_number_3d() { return _sample3d; }
00042
00043 inline uint32 memory() { return _memory_used; }
00044 inline bool is_ok() { return _ok; }
00045
00053 virtual uint32 generate_1d( uint32 size, float* array ) = 0;
00061 virtual uint32 generate_2d( uint32 size, vec2* array ) = 0;
00069 virtual uint32 generate_3d( uint32 size, vec3* array ) = 0;
00070
00071 protected:
00072 uint32 _memory_used;
00073 bool _ok;
00074 uint32 _sample1d;
00075 uint32 _sample2d;
00076 uint32 _sample3d;
00077 };
00078
00079 #endif // __sampler_hpp__
