ShaderStorageBuffer.hpp

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#ifndef GALAXY_GRAPHICS_GL_SHADERSTORAGEBUFFER_HPP_
#define GALAXY_GRAPHICS_GL_SHADERSTORAGEBUFFER_HPP_
 
#include <glad/glad.h>
 
namespace galaxy
{
    namespace graphics
    {
        class ShaderStorageBuffer final
        {
        public:
            ShaderStorageBuffer(const int index);
 
            ShaderStorageBuffer(ShaderStorageBuffer&&);
 
            ShaderStorageBuffer& operator=(ShaderStorageBuffer&&);
 
            ~ShaderStorageBuffer();
 
            template<typename Object>
            void buffer(const unsigned int offset, const unsigned int count, Object* data);
 
            template<typename Object>
            void sub_buffer(const unsigned int offset, const unsigned int count, Object* data);
 
            void bind() const;
 
            void clear();
 
            [[nodiscard]]
            unsigned int id() const;
 
        private:
            ShaderStorageBuffer() = delete;
 
            ShaderStorageBuffer(const ShaderStorageBuffer&) = delete;
 
            ShaderStorageBuffer& operator=(const ShaderStorageBuffer&) = delete;
 
        private:
            unsigned int m_id;
 
            int m_index;
        };
 
        template<typename Object>
        inline void ShaderStorageBuffer::buffer(const unsigned int offset, const unsigned int count, Object* data)
        {
            constexpr auto size = sizeof(Object);
            glNamedBufferData(m_id, count * size, data, GL_DYNAMIC_DRAW);
        }
 
        template<typename Object>
        inline void ShaderStorageBuffer::sub_buffer(const unsigned int offset, const unsigned int count, Object* data)
        {
            constexpr auto size = sizeof(Object);
            glNamedBufferSubData(m_id, offset, count * size, data);
        }
    } // namespace graphics
} // namespace galaxy
 
#endif