diff options
Diffstat (limited to 'dri2proto.txt')
| -rw-r--r-- | dri2proto.txt | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/dri2proto.txt b/dri2proto.txt index de58289..3d3eec4 100644 --- a/dri2proto.txt +++ b/dri2proto.txt @@ -125,9 +125,12 @@ or by using the OML swap buffers routine. 2.7 Events -DRI2 provides a single event to indicate when a DRI2SwapBuffers request has -been completed. This can be used to throttle drawing on the client side and -tie into application main loops. +DRI2 provides an event to indicate when a DRI2SwapBuffers request has +been completed. This can be used to throttle drawing on the client +side and tie into application main loops. + +Another event is generated when the validity of the requested buffers +changes. ⚙ ⚙ ⚙ ⚙ ⚙ ⚙ @@ -333,10 +336,6 @@ The name of this extension is "DRI2". Returns the swap count value when the swap will actually occur (e.g. the last queued swap count + (pending swap count * swap interval)). - The client should invalidate its render buffers after sending this - request, causing a subsequent GetBuffers request to get updated buffer - info. - This request is only available with protocol version 1.2 or later. @@ -459,6 +458,22 @@ The name of this extension is "DRI2". the swap was performed with a blit, and DRI2_FLIP_COMPLETE, indicating a full page flip was completed. +┌─── + DRI2InvalidateBuffers + ▶ + drawable: CARD32 +└─── + + This event is generated when the buffers the client had + requested for 'drawable' (with DRI2GetBuffers or + DRI2GetBuffersWithFormat) become inappropriate because they + don't match the drawable dimensions anymore, or a buffer swap + has been performed. + + Note that the server is only required to warn the client once + about this condition, until the client takes care of bringing + them back up-to-date with another GetBuffers request. + ⚙ ⚙ ⚙ ⚙ ⚙ ⚙ 10. Extension Versioning @@ -491,6 +506,8 @@ The DRI2 extension has undergone a number of revisions before 2.2: Approaching perfection. Added requests for swapbuffers, MSC and SBC related requests, and events. + 2.3: Added the DRI2InvalidateBuffers event. + Compatibility up to 2.0 is not preserved, but was also never released. |