diff options
Diffstat (limited to 'dri2proto.txt')
| -rw-r--r-- | dri2proto.txt | 31 |
1 files changed, 8 insertions, 23 deletions
diff --git a/dri2proto.txt b/dri2proto.txt index e8db139..106f8d8 100644 --- a/dri2proto.txt +++ b/dri2proto.txt @@ -269,22 +269,16 @@ The name of this extension is "DRI2". region: REGION source: DRI2ATTACHMENT destination: DRI2ATTACHMENT - value-mask: CARD32 - value-list: LISTofVALUE ▶ - value-mask: CARD32 - value-list: LISTofVALUE └─── Errors: Window, Value Schedule a copy from one DRI2 buffer to another. - The value-mask and value-list specify optional attributes of - the copy operation. This initial revision of the DRI2 - protocol doesn't specify any optional attributes, but it is - anticipated that buffer flips and various types of vertical - retrace synchronization will require extra arguments to be - provided and returned. + The DRICopyRegion request has a reply but it is empty. The + reply is there to let the direct rendering client wait until + the server has seen the request before proceeding with + rendering the next frame. ⚙ ⚙ ⚙ ⚙ ⚙ ⚙ @@ -309,6 +303,9 @@ The DRI2 extension has undergone a number of revisions before support different driver types and to send the authentication group. + 1.99.3: Drop the bitmask argument intended to indicate + presence of optional arguments for CopyRegion. + 2.0: Awesomeness! Compatibility up to 2.0 is not preserved, but was also never released. @@ -469,26 +466,14 @@ A.2 Protocol Requests 4 REGION region 4 DRI2ATTACHMENT source 4 DRI2ATTACHMENT destination - 4 BITMASK value-mask (has n bits set to 1) - no bits specified, must be 0 ▶ 1 1 Reply 1 unused 2 CARD16 sequence number 4 0 reply length - 4 BITMASK value-mask (has n bits set to 1) - no bits specified, must be 0 - 20 unused + 24 unused └─── - With BITMASK and LISTofVALUE defined as in the X11 protocol - encoding document. Specifically, the most significant bit of - value-mask is reserved to allow for chained bitmasks. The - sizes of the individual values depend on the values, but is - known. In case of differing DRI2 versions on client and - server, either side must not send values the other side does - not know about. - A.3 Protocol Events |