Replaced deprecated gluBuild2DMipmaps().

src/Texture.cpp

 	}
 }
 
+GLint deprecated_gluBuild2DMipmaps(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *data);
 
 int Texture::loadBufferSlot(unsigned char *image,
 									 unsigned int width, unsigned int height,
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
 							 GL_LINEAR_MIPMAP_LINEAR);
 
-		gluBuild2DMipmaps(GL_TEXTURE_2D, bytes, width, height,
-								glcMode, GL_UNSIGNED_BYTE, image);
+		//gluBuild2DMipmaps(GL_TEXTURE_2D, bytes, width, height, glcMode, GL_UNSIGNED_BYTE, image);
+        // gluBuild2DMipmaps is deprecated. Replacement by xythobuz
+        deprecated_gluBuild2DMipmaps(GL_TEXTURE_2D, bytes, width, height, glcMode, GL_UNSIGNED_BYTE, image);
 	}
 	else
 	{
 }
 
 
+// http://mmmovania.blogspot.de/2011/01/opengl-30-and-above-deprecated-func-and.html
+// http://www.g-truc.net/post-0256.html
+GLint deprecated_gluBuild2DMipmaps(GLenum target, GLint internalFormat, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *data) {
+    glTexParameteri(target, GL_GENERATE_MIPMAP, GL_TRUE);
+    glTexImage2D(target, 0, internalFormat, width, height, 0, format, type, data);
+    return 0;
+}
+
+
 void Texture::bindTextureId(unsigned int n)
 {
 	if ((int)n == mTextureId || !mTextureIds || n > mTextureCount)