fgfuchs/OpenGLScreenToHost

class to easily "render screen to texture and save to a file" without intervention in shaders

OpenGLScreenToHost

class allowing to render to a texture and save the texture to a file (without intervention in the shaders)

USAGE:

1. Include the header

   #include "ScreenDump.hpp"

2. Create an instance of the class

   ScreenDump screenDump(width,height);

3. Use bool for triggering

   bool dump_toFile;

4. Do the following in the render loop:

   if (dump_toFile) { screenDump->bindData(width, height); // width, height of the screen }

   draw();

   if (dump_toFile) { screenDump->dumpTexImage(fileName); screenDump->unbindData(); dump_toFile = false; }