diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_resource_buffer.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_resource_buffer.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/src/gallium/drivers/svga/svga_resource_buffer.c b/src/gallium/drivers/svga/svga_resource_buffer.c index 9ecb97509c2..a92a5c11904 100644 --- a/src/gallium/drivers/svga/svga_resource_buffer.c +++ b/src/gallium/drivers/svga/svga_resource_buffer.c @@ -96,25 +96,36 @@ svga_buffer_transfer_map(struct pipe_context *pipe, transfer->box = *box; if ((usage & PIPE_TRANSFER_READ) && sbuf->dirty) { - /* Only need to test for vgpu10 since only vgpu10 features (streamout, - * buffer copy) can modify buffers on the device. + enum pipe_error ret; + + /* Host-side buffers can only be dirtied with vgpu10 features + * (streamout and buffer copy). */ - if (svga_have_vgpu10(svga)) { - enum pipe_error ret; - assert(sbuf->handle); - ret = SVGA3D_vgpu10_ReadbackSubResource(svga->swc, sbuf->handle, 0); - if (ret != PIPE_OK) { - svga_context_flush(svga, NULL); - ret = SVGA3D_vgpu10_ReadbackSubResource(svga->swc, sbuf->handle, 0); - assert(ret == PIPE_OK); - } + assert(svga_have_vgpu10(svga)); - svga->hud.num_readbacks++; + if (!sbuf->user) { + (void) svga_buffer_handle(svga, resource); + } + if (sbuf->dma.pending > 0) { + svga_buffer_upload_flush(svga, sbuf); svga_context_finish(svga); + } + + assert(sbuf->handle); - sbuf->dirty = FALSE; + ret = SVGA3D_vgpu10_ReadbackSubResource(svga->swc, sbuf->handle, 0); + if (ret != PIPE_OK) { + svga_context_flush(svga, NULL); + ret = SVGA3D_vgpu10_ReadbackSubResource(svga->swc, sbuf->handle, 0); + assert(ret == PIPE_OK); } + + svga->hud.num_readbacks++; + + svga_context_finish(svga); + + sbuf->dirty = FALSE; } if (usage & PIPE_TRANSFER_WRITE) { |