A Paste by godecho

// Set up the view for render to texture glViewport(0, 0, ShapesTexSize, ShapesTexSize); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(fov, (GLfloat)ShapesTexSize/(GLfloat)ShapesTexSize, nearclip, farclip); DRAWWHATEVERYOUWANTINYOURTEXTURE(); glEnable(GL_TEXTURE_2D); glBindTexture(GL_TEXTURE_2D, ShapesTexID); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); //glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glCopyTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 0, 0, ShapesTexSize, ShapesTexSize, 0);      //glClearColor(0.0f, 0.0f, 0.0f, 0.0); //glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);      // Reset the view glViewport(0, 0, width, height); glMatrixMode(GL_PROJECTION); glLoadIdentity (); gluPerspective(fov, (GLfloat)width/(GLfloat)height, nearclip, farclip); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glDisable(GL_TEXTURE_2D);