Method restoreFirstFrame

core/src/processing/opengl/PGL.java:1002–1034

()

  protected void restoreFirstFrame() {
    if (firstFrame == null) return;

    IntBuffer tex = allocateIntBuffer(1);
    genTextures(1, tex);

    int w, h;
    float scale = getPixelScale();
    if (hasNpotTexSupport()) {
      w = (int)(scale * graphics.width);
      h = (int)(scale * graphics.height);
    } else {
      w = nextPowerOfTwo((int)(scale * graphics.width));
      h = nextPowerOfTwo((int)(scale * graphics.height));
    }

    bindTexture(TEXTURE_2D, tex.get(0));
    texParameteri(TEXTURE_2D, TEXTURE_MIN_FILTER, NEAREST);
    texParameteri(TEXTURE_2D, TEXTURE_MAG_FILTER, NEAREST);
    texParameteri(TEXTURE_2D, TEXTURE_WRAP_S, CLAMP_TO_EDGE);
    texParameteri(TEXTURE_2D, TEXTURE_WRAP_T, CLAMP_TO_EDGE);
    texImage2D(TEXTURE_2D, 0, RGBA, w, h, 0, RGBA, UNSIGNED_BYTE, null);
    texSubImage2D(TEXTURE_2D, 0, 0, 0, graphics.width, graphics.height, RGBA, UNSIGNED_BYTE, firstFrame);

    drawTexture(TEXTURE_2D, tex.get(0), w, h,
                0, 0, graphics.width, graphics.height,
                0, 0, (int)(scale * graphics.width), (int)(scale * graphics.height),
                0, 0, graphics.width, graphics.height);

    deleteTextures(1, tex);
    firstFrame.clear();
    firstFrame = null;
  }

  protected void destroyFBOLayer() {
    if (threadIsCurrent() && fboLayerCreated) {