namespace GL {
/**
-Stores uniforms with a specific layout. Both named and default uniform blocks
-are supported.
+Stores uniform values in a block of memory.
+
+For named uniform blocks the values are stored according to the reflected
+layout of the block, ready for use by shaders. For the default uniform block,
+the location of the uniform is multiplied by 16 to obtain the memory offset.
+
+Applications normally don't need to deal with UniformBlocks directly. They're
+managed by the ProgramData class, which provides a higher-level interface for
+setting uniform values.
*/
class UniformBlock: public UniformBlockBackend, public NonCopyable, public Bufferable
{
public:
UniformBlock(const ReflectData::UniformBlockInfo &);
- virtual unsigned get_data_size() const { return data.size(); }
+ virtual std::size_t get_data_size() const { return data.size(); }
virtual const void *get_data_pointer() const { return &data[0]; }
private:
- virtual unsigned get_alignment() const;
+ virtual std::size_t get_alignment() const;
public:
- void store(const ReflectData::UniformInfo &, unsigned, const void *);
+ void store(const ReflectData::UniformInfo &, std::size_t, const void *);
+ void check_store_range(std::size_t, std::size_t);
};
} // namespace GL