diff options
Diffstat (limited to 'dri2proto.txt')
| -rw-r--r-- | dri2proto.txt | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/dri2proto.txt b/dri2proto.txt index 7bde067..9921301 100644 --- a/dri2proto.txt +++ b/dri2proto.txt @@ -440,6 +440,36 @@ The name of this extension is "DRI2". DRI2SwapBuffers requests to swap at most once per interval frames, which is useful useful for limiting the frame rate. +┌─── + DRI2GetParam + drawable: DRAWABLE + param: CARD32 + ▶ + is_param_recognized: BOOL + value: CARD64 +└─── + Errors: Drawable + + Get the value of a parameter. The parameter's value is looked up on + the screen associated with 'drawable'. + + Parameter names in which the value of the most significant byte is + 0 are reserved for the X server. Currently, no such parameter names + are defined. (When any such names are defined, they will be defined in + this extension specification and its associated headers). + + Parameter names in which the byte's value is 1 are reserved for the + DDX. Such names are private to each driver and shall be defined in the + respective driver's headers. + + Parameter names in which the byte's value is neither 0 nor 1 are + reserved for future use. + + Possible values of 'is_param_recognized' are true (1) and false (0). + If false, then 'value' is undefined. + + This request is only available with protocol version 1.4 or later. + ⚙ ⚙ ⚙ ⚙ ⚙ ⚙ 9. Extension Events @@ -512,6 +542,8 @@ The DRI2 extension has undergone a number of revisions before 2.6: Enlightenment attained. Added the DRI2BufferHiz attachment. + 2.7: Added the DRI2GetParam request. + Compatibility up to 2.0 is not preserved, but was also never released. @@ -830,6 +862,23 @@ A.2 Protocol Requests ▶ └─── +┌─── + DRI2GetParam + 1 CARD8 major opcode + 1 13 DRI2 opcode + 2 8 length + 4 DRAWABLE drawable + 4 CARD32 param + ▶ + 1 1 Reply + 1 BOOL is_param_recognized + 2 CARD16 sequence number + 4 0 reply length + 4 CARD32 value_hi + 4 CARD32 value_lo + 16 unused +└─── + A.3 Protocol Events The DRI2 extension specifies DRI2_BufferSwapComplete and |