WCudaMSE/API_Bilat_GL/INC/BufferObject.h

   1 #ifndef BUFFER_OBJECT_H
   2 #define BUFFER_OBJECT_H
   3
   4 #include "envBilatGL.h"
   5 #include "bilat_GL.h"
   6
   7 /**
   8  * Create Buffer in a valide OpenGL context
   9  *
  10  *
  11  * When can I instancied a BufferObject ?
  12  *
  13  *      Using API :
  14  *              in GLUTWindowCustomiser_A.init() ! (ps reshape,display are other possiblities)
  15  *      Using GLUT :
  16  *              after glutCreateWindow(...)
  17  */
  18 class CBI_GL BufferObject
  19     {
  20
  21     public:
  22         /**
  23          * @param bufferUsage (GL_STREAM_DRAW, GL_STREAM_READ, GL_STREAM_COPY, GL_STATIC_DRAW, GL_STATIC_READ, GL_STATIC_COPY, GL_DYNAMIC_DRAW, GL_DYNAMIC_READ, or GL_DYNAMIC_COPY)
  24          * @param target (GL_ARRAY_BUFFER, GL_ELEMENT_ARRAY_BUFFER, GL_PIXEL_PACK_BUFFER, or GL_PIXEL_UNPACK_BUFFER)
  25          */
  26         BufferObject(GLenum target, unsigned int sizeOctet, void* bufferData, GLenum bufferUsage);
  27         virtual ~BufferObject();
  28
  29         void bindBuffer();
  30         void unBindBuffer();
  31
  32         void bufferData(unsigned int sizeOctet, void* bufferData,GLenum bufferUsage);
  33         void bufferSubData(unsigned int offset,unsigned int sizeOctet, void* bufferData);
  34
  35         /**
  36          * @param access (GL_READ_ONLY, GL_WRITE_ONLY, or GL_READ_WRITE)
  37          */
  38         void* map(GLenum access);
  39         bool unMap(void);
  40
  41         unsigned int getBufferID() const;
  42
  43     protected:
  44         GLuint bufferID; //Identifiant OpenGL
  45         GLenum target;
  46
  47     };
  48
  49 #endif