439    struct gl_renderbuffer *srcRb, *dstRb;  in swrast_fast_copy_pixels()  local
448       srcRb = srcFb->_ColorReadBuffer;  in swrast_fast_copy_pixels()
452       srcRb = srcFb->Attachment[BUFFER_STENCIL].Renderbuffer;  in swrast_fast_copy_pixels()
456       srcRb = srcFb->Attachment[BUFFER_DEPTH].Renderbuffer;  in swrast_fast_copy_pixels()
462       srcRb = srcFb->Attachment[BUFFER_DEPTH].Renderbuffer;  in swrast_fast_copy_pixels()
467    if (!srcRb || !dstRb || srcRb->Format != dstRb->Format) {  in swrast_fast_copy_pixels()
473       if (_mesa_is_format_packed_depth_stencil(srcRb->Format) ||  in swrast_fast_copy_pixels()
479       if (srcRb != srcFb->Attachment[BUFFER_STENCIL].Renderbuffer ||  in swrast_fast_copy_pixels()
492    pixelBytes = _mesa_get_format_bytes(srcRb->Format);  in swrast_fast_copy_pixels()
495    if (srcRb == dstRb) {  in swrast_fast_copy_pixels()
503       ctx->Driver.MapRenderbuffer(ctx, srcRb, 0, 0,  in swrast_fast_copy_pixels()
504                                   srcRb->Width, srcRb->Height,  in swrast_fast_copy_pixels()
531       ctx->Driver.MapRenderbuffer(ctx, srcRb, srcX, srcY,  in swrast_fast_copy_pixels()
542          ctx->Driver.UnmapRenderbuffer(ctx, srcRb);  in swrast_fast_copy_pixels()
555    ctx->Driver.UnmapRenderbuffer(ctx, srcRb);  in swrast_fast_copy_pixels()
556    if (dstRb != srcRb) {  in swrast_fast_copy_pixels()