From 997a6a28d7f6bb14cb43f92051f4f3c502027493 Mon Sep 17 00:00:00 2001 From: Stephan Raue Date: Mon, 14 Sep 2009 18:25:20 +0200 Subject: [PATCH] dri2proto: add DRI2 page flip (from Fedora Rawhide) --- .../dri2proto/patches/dri2-page-flip.diff | 100 ++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 packages/x11/proto/dri2proto/patches/dri2-page-flip.diff diff --git a/packages/x11/proto/dri2proto/patches/dri2-page-flip.diff b/packages/x11/proto/dri2proto/patches/dri2-page-flip.diff new file mode 100644 index 0000000000..a15f649e04 --- /dev/null +++ b/packages/x11/proto/dri2proto/patches/dri2-page-flip.diff @@ -0,0 +1,100 @@ +diff --git a/dri2proto.h b/dri2proto.h +index 8d76079..37873c4 100644 +--- a/dri2proto.h ++++ b/dri2proto.h +@@ -35,7 +35,7 @@ + + #define DRI2_NAME "DRI2" + #define DRI2_MAJOR 1 +-#define DRI2_MINOR 1 ++#define DRI2_MINOR 2 + + #define DRI2NumberErrors 0 + #define DRI2NumberEvents 0 +@@ -49,6 +49,7 @@ + #define X_DRI2GetBuffers 5 + #define X_DRI2CopyRegion 6 + #define X_DRI2GetBuffersWithFormat 7 ++#define X_DRI2SwapBuffers 8 + + typedef struct { + CARD32 attachment B32; +@@ -191,4 +192,12 @@ typedef struct { + } xDRI2CopyRegionReply; + #define sz_xDRI2CopyRegionReply 32 + ++typedef struct { ++ CARD8 reqType; ++ CARD8 dri2ReqType; ++ CARD16 length B16; ++ CARD32 drawable B32; ++} xDRI2SwapBuffersReq; ++#define sz_xDRI2SwapBuffersReq 8 ++ + #endif +diff --git a/dri2proto.txt b/dri2proto.txt +index e931bfb..1bad3b9 100644 +--- a/dri2proto.txt ++++ b/dri2proto.txt +@@ -105,6 +105,11 @@ DRI2 implementation of direct rendering GLX, should use these enty + points to copy contents back and forth to as necessary to ensure + consistent rendering. + ++The client may also use the DRI2SwapBuffers function to request a swap ++of the front and back buffers. If the display server supports it, this ++operation may be preferred, since it may be easier and/or more performant ++for the server to perform a simple buffer swap rather than a blit. ++ + + ⚙ ⚙ ⚙ ⚙ ⚙ ⚙ + +@@ -288,6 +293,21 @@ The name of this extension is "DRI2". + the server has seen the request before proceeding with + rendering the next frame. + ++┌─── ++ DRI2SwapBuffers ++ drawable: DRAWABLE ++ ▶ ++ buffers: LISTofDRI2BUFFER ++└─── ++ Errors: Window ++ ++ Schedule a swap of the front and back buffers with the display ++ server. ++ ++ This request has no reply. The server is expected to either perform ++ a buffer exchange or queue one before returning. The client should ++ invalidate its render buffers after sending this request, causing ++ a subsequent GetBuffers request to get updated buffer info. + + ┌─── + DRI2GetBuffersWithFormat +@@ -542,6 +562,27 @@ A.3 Protocol Events + + The DRI2 extension specifies no events. + ++┌─── ++ DRI2SwapBuffers ++ 1 CARD8 major opcode ++ 1 7 DRI2 opcode ++ 2 8 length ++ 4 DRAWABLE drawable ++ ▶ ++ 1 1 Reply ++ 1 unused ++ 2 CARD16 sequence number ++ 4 0 reply length ++ 4 CARD32 buffer count ++ 4 CARD32 unused ++ 4 CARD32 unused ++ 4 CARD32 unused ++ 4 CARD32 unused ++ 4 CARD32 unused ++ 4 CARD32 unused ++ 5n LISTofDRI2BUFFER buffers ++└─── ++ + + A.4 Protocol Errors +