diff options
| -rw-r--r-- | src/gallium/drivers/svga/svga_resource_buffer.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/gallium/drivers/svga/svga_resource_buffer.c b/src/gallium/drivers/svga/svga_resource_buffer.c index ae854a8054a..2d7c524d869 100644 --- a/src/gallium/drivers/svga/svga_resource_buffer.c +++ b/src/gallium/drivers/svga/svga_resource_buffer.c @@ -228,11 +228,18 @@ svga_buffer_unmap( struct pipe_context *pipe, if(sbuf->hwbuf) sws->buffer_unmap(sws, sbuf->hwbuf); - if(sbuf->map.writing) { - if(!sbuf->map.flush_explicit) { - /* No mapped range was flushed -- flush the whole buffer */ + if (sbuf->map.writing) { + if (!sbuf->map.flush_explicit) { + /* + * Mapped range not flushed explicitly, so flush the whole buffer, + * and tell the host to discard the contents when processing the DMA + * command. + */ + SVGA_DBG(DEBUG_DMA, "flushing the whole buffer\n"); + sbuf->dma.flags.discard = TRUE; + svga_buffer_add_range(sbuf, 0, sbuf->b.b.width0); } |