diff options
| -rw-r--r-- | src/gallium/docs/source/screen.rst | 14 | ||||
| -rw-r--r-- | src/gallium/include/pipe/p_screen.h | 8 |
2 files changed, 22 insertions, 0 deletions
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 64cb0bf0b4f..5ae2596dad0 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -707,6 +707,20 @@ which isn't multisampled. +resource_changed +^^^^^^^^^^^^^^^^ + +Mark a resource as changed so derived internal resources will be recreated +on next use. + +When importing external images that can't be directly used as texture sampler +source, internal copies may have to be created that the hardware can sample +from. When those resources are reimported, the image data may have changed, and +the previously derived internal resources must be invalidated to avoid sampling +from old copies. + + + resource_destroy ^^^^^^^^^^^^^^^^ diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h index f04c2ed83ab..b6203f1da0c 100644 --- a/src/gallium/include/pipe/p_screen.h +++ b/src/gallium/include/pipe/p_screen.h @@ -224,6 +224,14 @@ struct pipe_screen { struct winsys_handle *handle, unsigned usage); + /** + * Mark the resource as changed so derived internal resources will be + * recreated on next use. + * + * This is necessary when reimporting external images that can't be directly + * used as texture sampler source, to avoid sampling from old copies. + */ + void (*resource_changed)(struct pipe_screen *, struct pipe_resource *pt); void (*resource_destroy)(struct pipe_screen *, struct pipe_resource *pt); |