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Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_so.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c index bc8bb690f1ea..4ef8460eaf2c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_so.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_so.c @@ -497,6 +497,30 @@ struct vmw_resource *vmw_view_lookup(struct vmw_cmdbuf_res_manager *man, vmw_view_key(user_key, view_type)); } +/** + * vmw_view_dirtying - Return whether a view type is dirtying its resource + * @res: Pointer to the view + * + * Each time a resource is put on the validation list as the result of a + * view pointing to it, we need to determine whether that resource will + * be dirtied (written to by the GPU) as a result of the corresponding + * GPU operation. Currently only rendertarget- and depth-stencil views are + * capable of dirtying its resource. + * + * Return: Whether the view type of @res dirties the resource it points to. + */ +u32 vmw_view_dirtying(struct vmw_resource *res) +{ + static u32 view_is_dirtying[vmw_view_max] = { + [vmw_view_rt] = VMW_RES_DIRTY_SET, + [vmw_view_ds] = VMW_RES_DIRTY_SET, + }; + + /* Update this function as we add more view types */ + BUILD_BUG_ON(vmw_view_max != 3); + return view_is_dirtying[vmw_view(res)->view_type]; +} + const u32 vmw_view_destroy_cmds[] = { [vmw_view_sr] = SVGA_3D_CMD_DX_DESTROY_SHADERRESOURCE_VIEW, [vmw_view_rt] = SVGA_3D_CMD_DX_DESTROY_RENDERTARGET_VIEW, |