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dri2proto:
- update to dri2proto-2.2
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@ -1,100 +0,0 @@
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diff --git a/dri2proto.h b/dri2proto.h
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index 8d76079..37873c4 100644
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--- a/dri2proto.h
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+++ b/dri2proto.h
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@@ -35,7 +35,7 @@
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#define DRI2_NAME "DRI2"
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#define DRI2_MAJOR 1
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-#define DRI2_MINOR 1
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+#define DRI2_MINOR 2
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#define DRI2NumberErrors 0
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#define DRI2NumberEvents 0
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@@ -49,6 +49,7 @@
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#define X_DRI2GetBuffers 5
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#define X_DRI2CopyRegion 6
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#define X_DRI2GetBuffersWithFormat 7
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+#define X_DRI2SwapBuffers 8
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typedef struct {
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CARD32 attachment B32;
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@@ -191,4 +192,12 @@ typedef struct {
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} xDRI2CopyRegionReply;
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#define sz_xDRI2CopyRegionReply 32
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+typedef struct {
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+ CARD8 reqType;
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+ CARD8 dri2ReqType;
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+ CARD16 length B16;
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+ CARD32 drawable B32;
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+} xDRI2SwapBuffersReq;
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+#define sz_xDRI2SwapBuffersReq 8
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+
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#endif
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diff --git a/dri2proto.txt b/dri2proto.txt
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index e931bfb..1bad3b9 100644
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--- a/dri2proto.txt
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+++ b/dri2proto.txt
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@@ -105,6 +105,11 @@ DRI2 implementation of direct rendering GLX, should use these enty
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points to copy contents back and forth to as necessary to ensure
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consistent rendering.
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+The client may also use the DRI2SwapBuffers function to request a swap
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+of the front and back buffers. If the display server supports it, this
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+operation may be preferred, since it may be easier and/or more performant
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+for the server to perform a simple buffer swap rather than a blit.
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+
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⚙ ⚙ ⚙ ⚙ ⚙ ⚙
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@@ -288,6 +293,21 @@ The name of this extension is "DRI2".
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the server has seen the request before proceeding with
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rendering the next frame.
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+┌───
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+ DRI2SwapBuffers
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+ drawable: DRAWABLE
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+ ▶
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+ buffers: LISTofDRI2BUFFER
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+└───
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+ Errors: Window
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+
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+ Schedule a swap of the front and back buffers with the display
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+ server.
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+
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+ This request has no reply. The server is expected to either perform
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+ a buffer exchange or queue one before returning. The client should
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+ invalidate its render buffers after sending this request, causing
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+ a subsequent GetBuffers request to get updated buffer info.
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┌───
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DRI2GetBuffersWithFormat
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@@ -542,6 +562,27 @@ A.3 Protocol Events
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The DRI2 extension specifies no events.
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+┌───
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+ DRI2SwapBuffers
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+ 1 CARD8 major opcode
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+ 1 7 DRI2 opcode
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+ 2 8 length
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+ 4 DRAWABLE drawable
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+ ▶
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+ 1 1 Reply
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+ 1 unused
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+ 2 CARD16 sequence number
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+ 4 0 reply length
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+ 4 CARD32 buffer count
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+ 4 CARD32 unused
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+ 4 CARD32 unused
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+ 4 CARD32 unused
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+ 4 CARD32 unused
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+ 4 CARD32 unused
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+ 4 CARD32 unused
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+ 5n LISTofDRI2BUFFER buffers
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+└───
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+
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A.4 Protocol Errors
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@ -1 +1 @@
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http://xorg.freedesktop.org/archive/individual/proto/dri2proto-2.1.tar.bz2
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http://xorg.freedesktop.org/archive/individual/proto/dri2proto-2.2.tar.bz2
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