450    struct gl_renderbuffer *srcRb, *dstRb;  in swrast_fast_copy_pixels()  local
459       srcRb = srcFb->_ColorReadBuffer;  in swrast_fast_copy_pixels()
463       srcRb = srcFb->Attachment[BUFFER_STENCIL].Renderbuffer;  in swrast_fast_copy_pixels()
467       srcRb = srcFb->Attachment[BUFFER_DEPTH].Renderbuffer;  in swrast_fast_copy_pixels()
473       srcRb = srcFb->Attachment[BUFFER_DEPTH].Renderbuffer;  in swrast_fast_copy_pixels()
478    if (!srcRb || !dstRb || srcRb->Format != dstRb->Format) {  in swrast_fast_copy_pixels()
484       if (_mesa_is_format_packed_depth_stencil(srcRb->Format) ||  in swrast_fast_copy_pixels()
490       if (srcRb != srcFb->Attachment[BUFFER_STENCIL].Renderbuffer ||  in swrast_fast_copy_pixels()
503    pixelBytes = _mesa_get_format_bytes(srcRb->Format);  in swrast_fast_copy_pixels()
506    if (srcRb == dstRb) {  in swrast_fast_copy_pixels()
514       ctx->Driver.MapRenderbuffer(ctx, srcRb, 0, 0,  in swrast_fast_copy_pixels()
515                                   srcRb->Width, srcRb->Height,  in swrast_fast_copy_pixels()
542       ctx->Driver.MapRenderbuffer(ctx, srcRb, srcX, srcY,  in swrast_fast_copy_pixels()
553          ctx->Driver.UnmapRenderbuffer(ctx, srcRb);  in swrast_fast_copy_pixels()
566    ctx->Driver.UnmapRenderbuffer(ctx, srcRb);  in swrast_fast_copy_pixels()
567    if (dstRb != srcRb) {  in swrast_fast_copy_pixels()