minclient/CTextureGL.cpp at master · wheresthecode/minclient · GitHub

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#include "CTextureGL.h"

#ifdef ANDROID
  #include <GLES2/gl2.h>
  #include <GLES2/gl2ext.h>
  #include <android/log.h>
#else
  #include <GL/glew.h>
#ifdef __APPLE__
  #include <OpenGL/glext.h>
  #include <OpenGL/gl.h>
#else
  #include <GL/glext.h>   // used for GL_BGRA
  #include <GL/gl.h>
#endif
#endif

CTextureGL::CTextureGL(){
  init();
}

CTextureGL::CTextureGL(unsigned char* data_, int sizeX_, int sizeY_, int channels_){
  init();

  this->data = data_;
  this->sizeX = sizeX_;
  this->sizeY = sizeY_;
  this->channels = channels_;

  generateTexture();
}

CTextureGL::~CTextureGL(){
  //delete [] data;
  delete [] textureName;
}

void CTextureGL::generateTexture(){
  if(!data){
    cout << "CTextureGL::GenerateTexture(): No data has been assigned yet!" << endl;
    return;
  }

  glGenTextures(1, &ID);

  glBindTexture(GL_TEXTURE_2D, ID);

  if (channels == 3)
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, sizeX, sizeY, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
  else if (channels == 4)
    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, sizeX, sizeY, 0, GL_RGBA, GL_UNSIGNED_BYTE, data);

  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);

  //delete [] data;
  //data = NULL;
}