diff options
| -rw-r--r-- | src/gallium/include/pipe/p_context.h | 11 | ||||
| -rw-r--r-- | src/gallium/state_trackers/dri/dri_drawable.c | 6 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h index af5674ff753..a4cae8eaf63 100644 --- a/src/gallium/include/pipe/p_context.h +++ b/src/gallium/include/pipe/p_context.h @@ -551,6 +551,17 @@ struct pipe_context { */ void (*flush_resource)(struct pipe_context *ctx, struct pipe_resource *resource); + + /** + * Invalidate the contents of the resource. + * + * This is used to implement EGL's semantic of undefined depth/stencil + * contenst after a swapbuffers. This allows a tiled renderer (for + * example) to not store the depth buffer. + */ + void (*invalidate_resource)(struct pipe_context *ctx, + struct pipe_resource *resource); + }; diff --git a/src/gallium/state_trackers/dri/dri_drawable.c b/src/gallium/state_trackers/dri/dri_drawable.c index b7df053594c..eda2d5232c5 100644 --- a/src/gallium/state_trackers/dri/dri_drawable.c +++ b/src/gallium/state_trackers/dri/dri_drawable.c @@ -484,6 +484,12 @@ dri_flush(__DRIcontext *cPriv, } pipe->flush_resource(pipe, drawable->textures[ST_ATTACHMENT_BACK_LEFT]); + + if (pipe->invalidate_resource && + (flags & __DRI2_FLUSH_INVALIDATE_ANCILLARY)) { + pipe->invalidate_resource(pipe, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]); + pipe->invalidate_resource(pipe, drawable->msaa_textures[ST_ATTACHMENT_DEPTH_STENCIL]); + } } flush_flags = 0; |