diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_screen_buffer.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_screen_buffer.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/gallium/drivers/svga/svga_screen_buffer.c b/src/gallium/drivers/svga/svga_screen_buffer.c index c014f2ee20..cc2d3cd9e9 100644 --- a/src/gallium/drivers/svga/svga_screen_buffer.c +++ b/src/gallium/drivers/svga/svga_screen_buffer.c @@ -355,6 +355,8 @@ svga_buffer_upload_flush(struct svga_context *svga, sbuf->hw.svga = NULL; sbuf->hw.boxes = NULL; + sbuf->host_written = TRUE; + /* Decrement reference count */ pipe_buffer_reference((struct pipe_buffer **)&sbuf, NULL); } @@ -436,17 +438,17 @@ svga_buffer_map_range( struct pipe_screen *screen, } else { if(!sbuf->hw.buf) { - struct svga_winsys_surface *handle = sbuf->handle; - if(svga_buffer_create_hw_storage(ss, sbuf) != PIPE_OK) return NULL; /* Populate the hardware storage if the host surface pre-existed */ - if((usage & PIPE_BUFFER_USAGE_CPU_READ) && handle) { + if(sbuf->host_written) { SVGA3dSurfaceDMAFlags flags; enum pipe_error ret; struct pipe_fence_handle *fence = NULL; + assert(sbuf->handle); + SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "dma from sid %p (buffer), bytes %u - %u\n", sbuf->handle, 0, sbuf->base.size); @@ -478,7 +480,7 @@ svga_buffer_map_range( struct pipe_screen *screen, } } else { - if((usage & PIPE_BUFFER_USAGE_CPU_READ) && !sbuf->needs_flush) { + if(!(usage & PIPE_BUFFER_USAGE_DISCARD) && !sbuf->needs_flush) { /* We already had the hardware storage but we would have to issue * a download if we hadn't, so move the buffer to the begginning * of the LRU list. |