Function FlushRenderCommands

deps/SDL2/src/render/SDL_render.c:208–237

}

static int
FlushRenderCommands(SDL_Renderer *renderer)
{
    int retval;

    SDL_assert((renderer->render_commands == NULL) == (renderer->render_commands_tail == NULL));

    if (renderer->render_commands == NULL) {  /* nothing to do! */
        SDL_assert(renderer->vertex_data_used == 0);
        return 0;
    }

    DebugLogRenderCommands(renderer->render_commands);

    retval = renderer->RunCommandQueue(renderer, renderer->render_commands, renderer->vertex_data, renderer->vertex_data_used);

    /* Move the whole render command queue to the unused pool so we can reuse them next time. */
    if (renderer->render_commands_tail != NULL) {
        renderer->render_commands_tail->next = renderer->render_commands_pool;
        renderer->render_commands_pool = renderer->render_commands;
        renderer->render_commands_tail = NULL;
        renderer->render_commands = NULL;
    }
    renderer->vertex_data_used = 0;
    renderer->render_command_generation++;
    renderer->color_queued = SDL_FALSE;
    renderer->viewport_queued = SDL_FALSE;
    renderer->cliprect_queued = SDL_FALSE;
    return retval;
}

static int
FlushRenderCommandsIfTextureNeeded(SDL_Texture *texture)