Function opengl_CopyBitmapToFramebuffer

legacy/renderer/opengl.cpp:2528–2539

Takes a bitmap and blits it to the screen using linear frame buffer stuff X and Y are the destination X,Y

// Takes a bitmap and blits it to the screen using linear frame buffer stuff
// X and Y are the destination X,Y
void opengl_CopyBitmapToFramebuffer(int bm_handle, int x, int y) {
  ASSERT(opengl_Framebuffer_ready);

  if (opengl_Framebuffer_ready == 1) {
    bm_CreateChunkedBitmap(bm_handle, &opengl_Chunked_bitmap);
    opengl_Framebuffer_ready = 2;
  } else {
    opengl_ChangeChunkedBitmap(bm_handle, &opengl_Chunked_bitmap);
  }

  rend_DrawChunkedBitmap(&opengl_Chunked_bitmap, 0, 0, 255);
}

// Gets a renderer ready for a framebuffer copy, or stops a framebuffer copy
void opengl_SetFrameBufferCopyState(bool state) {