eic-opticks/sysrap/SGLFW_VAO.h

0001 #pragma once
0002 /**
0003 SGLFW_VAO : Minimal Vertex Array wrapper
0004 --------------------------------------------
0005
0006
0007 **/
0008
0009 struct SGLFW_VAO
0010 {
0011     const char* name ;
0012     GLuint id ;
0013
0014     SGLFW_VAO(const char* name);
0015     void init();
0016     void bind();
0017     void unbind();
0018 };
0019
0020 inline SGLFW_VAO::SGLFW_VAO(const char* _name)
0021     :
0022     name(_name ? strdup(_name) : nullptr),
0023     id(-1)
0024 {
0025     init();
0026 }
0027
0028 inline void SGLFW_VAO::init()
0029 {
0030     glGenVertexArrays (1, &id);  SGLFW__check(__FILE__, __LINE__, name, id, "glGenVertexArrays/init" );
0031 }
0032
0033 inline void SGLFW_VAO::bind()
0034 {
0035     glBindVertexArray(id);        SGLFW__check(__FILE__, __LINE__, name, id, "glBindVertexArray/bind" );
0036 }
0037 inline void SGLFW_VAO::unbind()
0038 {
0039     glBindVertexArray(0);        SGLFW__check(__FILE__, __LINE__, name, id, "glBindVertexArray/unbi" );
0040 }
0041
0042
0043