Function QueueCmdSetDrawColor

deps/SDL2/src/render/SDL_render.c:370–397

}

static int
QueueCmdSetDrawColor(SDL_Renderer *renderer, const Uint8 r, const Uint8 g, const Uint8 b, const Uint8 a)
{
    const Uint32 color = ((a << 24) | (r << 16) | (g << 8) | b);
    int retval = 0;
    
    if (!renderer->color_queued || (color != renderer->last_queued_color)) {
        SDL_RenderCommand *cmd = AllocateRenderCommand(renderer);
        retval = -1;

        if (cmd != NULL) {
            cmd->command = SDL_RENDERCMD_SETDRAWCOLOR;
            cmd->data.color.first = 0;  /* render backend will fill this in. */
            cmd->data.color.r = r;
            cmd->data.color.g = g;
            cmd->data.color.b = b;
            cmd->data.color.a = a;
            retval = renderer->QueueSetDrawColor(renderer, cmd);
            if (retval < 0) {
                cmd->command = SDL_RENDERCMD_NO_OP;
            } else {
                renderer->last_queued_color = color;
                renderer->color_queued = SDL_TRUE;
            }
        }
    }
    return retval;
}

static int
QueueCmdClear(SDL_Renderer *renderer)