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GLX/DRI2: add INTEL_swap_event support

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This allows clients to easily check for swap completion status in their
main loop.

Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
Reviewed-by: Adam Jackson <ajax@nwnk.net>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Jesse Barnes 2010-01-11 14:56:24 -05:00
parent 04a54f69a8
commit 84956ca43b
9 changed files with 75 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
configure.ac
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@ -755,7 +755,7 @@ XINERAMAPROTO="xineramaproto"
BIGFONTPROTO="xf86bigfontproto >= 1.2.0"
XCALIBRATEPROTO="xcalibrateproto"
DGAPROTO="xf86dgaproto >= 2.0.99.1"
GLPROTO="glproto >= 1.4.9"
GLPROTO="glproto >= 1.4.10"
DMXPROTO="dmxproto >= 2.2.99.1"
VIDMODEPROTO="xf86vidmodeproto >= 2.2.99.1"
WINDOWSWMPROTO="windowswmproto"

1
glx/extension_string.c
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@ -82,6 +82,7 @@ static const struct extension_info known_glx_extensions[] = {
{ GLX(SGIX_fbconfig), VER(1,3), Y, },
{ GLX(SGIX_pbuffer), VER(1,3), Y, },
{ GLX(SGIX_visual_select_group), VER(0,0), Y, },
{ GLX(INTEL_swap_event), VER(1,4), N, },
{ NULL }
};

1
glx/extension_string.h
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@ -50,6 +50,7 @@ enum {
SGIX_fbconfig_bit,
SGIX_pbuffer_bit,
SGIX_visual_select_group_bit,
INTEL_swap_event_bit,
__NUM_GLX_EXTS,
};

43
glx/glxdri2.c
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@ -167,6 +167,43 @@ __glXDRIdrawableWaitGL(__GLXdrawable *drawable)
DRI2BufferFrontLeft, DRI2BufferFakeFrontLeft);
}
static void
__glXdriSwapEvent(ClientPtr client, void *data, int type, CARD64 ust,
CARD64 msc, CARD64 sbc)
{
__GLXdrawable *drawable = data;
xGLXBufferSwapComplete wire;
if (!drawable->eventMask & GLX_BUFFER_SWAP_COMPLETE_INTEL_MASK)
return;
wire.type = __glXEventBase + GLX_BufferSwapComplete;
switch (type) {
case DRI2_EXCHANGE_COMPLETE:
wire.event_type = GLX_EXCHANGE_COMPLETE_INTEL;
break;
case DRI2_BLIT_COMPLETE:
wire.event_type = GLX_BLIT_COMPLETE_INTEL;
break;
case DRI2_FLIP_COMPLETE:
wire.event_type = GLX_FLIP_COMPLETE_INTEL;
break;
default:
/* unknown swap completion type */
break;
}
wire.sequenceNumber = client->sequence;
wire.drawable = drawable->drawId;
wire.ust_hi = ust >> 32;
wire.ust_lo = ust & 0xffffffff;
wire.msc_hi = msc >> 32;
wire.msc_lo = msc & 0xffffffff;
wire.sbc_hi = sbc >> 32;
wire.sbc_lo = sbc & 0xffffffff;
WriteEventsToClient(client, 1, (xEvent *) &wire);
}
/*
* Copy or flip back to front, honoring the swap interval if possible.
*
@ -184,7 +221,7 @@ __glXDRIdrawableSwapBuffers(ClientPtr client, __GLXdrawable *drawable)
(*screen->flush->flushInvalidate)(priv->driDrawable);
if (DRI2SwapBuffers(client, drawable->pDraw, 0, 0, 0, &unused,
NULL, drawable->pDraw) != Success)
__glXdriSwapEvent, drawable->pDraw) != Success)
return FALSE;
return TRUE;
@ -581,6 +618,10 @@ initializeExtensions(__GLXDRIscreen *screen)
"GLX_MESA_copy_sub_buffer");
LogMessage(X_INFO, "AIGLX: enabled GLX_MESA_copy_sub_buffer\n");
/* FIXME: only if DDX supports it */
__glXEnableExtension(screen->glx_enable_bits, "GLX_INTEL_swap_event");
LogMessage(X_INFO, "AIGLX: enabled GLX_INTEL_swap_event\n");
for (i = 0; extensions[i]; i++) {
#ifdef __DRI_READ_DRAWABLE
if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) {

2
glx/glxext.c
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@ -267,6 +267,7 @@ GLboolean __glXErrorOccured(void)
}
static int __glXErrorBase;
int __glXEventBase;
int __glXError(int error)
{
@ -403,6 +404,7 @@ void GlxExtensionInit(void)
}
__glXErrorBase = extEntry->errorBase;
__glXEventBase = extEntry->eventBase;
}
/************************************************************************/

1
glx/glxscreens.c
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@ -181,6 +181,7 @@ static char GLXServerExtensions[] =
"GLX_SGIX_fbconfig "
"GLX_SGIX_pbuffer "
"GLX_MESA_copy_sub_buffer "
"GLX_INTEL_swap_event"
;
/*

2
glx/glxserver.h
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@ -249,4 +249,6 @@ extern int __glXImageSize(GLenum format, GLenum type,
extern unsigned glxMajorVersion;
extern unsigned glxMinorVersion;
extern int __glXEventBase;
#endif /* !__GLX_server_h__ */

2
hw/xfree86/dri2/dri2.h
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@ -169,6 +169,8 @@ typedef struct {
DRI2ScheduleWaitMSCProcPtr ScheduleWaitMSC;
} DRI2InfoRec, *DRI2InfoPtr;
extern _X_EXPORT int DRI2EventBase;
extern _X_EXPORT Bool DRI2ScreenInit(ScreenPtr pScreen,
DRI2InfoPtr info);

24
hw/xfree86/dri2/dri2ext.c
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@ -348,6 +348,25 @@ vals_to_card64(CARD32 lo, CARD32 hi)
return (CARD64)hi << 32 | lo;
}
static void
DRI2SwapEvent(ClientPtr client, void *data, int type, CARD64 ust, CARD64 msc,
CARD64 sbc)
{
xDRI2BufferSwapComplete event;
event.type = DRI2EventBase + DRI2_BufferSwapComplete;
event.sequenceNumber = client->sequence;
event.event_type = type;
event.ust_hi = (CARD64)ust >> 32;
event.ust_lo = ust & 0xffffffff;
event.msc_hi = (CARD64)msc >> 32;
event.msc_lo = msc & 0xffffffff;
event.sbc_hi = (CARD64)sbc >> 32;
event.sbc_lo = sbc & 0xffffffff;
WriteEventsToClient(client, 1, (xEvent *)&event);
}
static int
ProcDRI2SwapBuffers(ClientPtr client)
{
@ -368,7 +387,7 @@ ProcDRI2SwapBuffers(ClientPtr client)
remainder = vals_to_card64(stuff->remainder_lo, stuff->remainder_hi);
status = DRI2SwapBuffers(client, pDrawable, target_msc, divisor, remainder,
&swap_target, NULL, pDrawable);
&swap_target, DRI2SwapEvent, pDrawable);
if (status != Success)
return BadDrawable;
@ -608,6 +627,8 @@ static int DRI2DrawableGone(pointer p, XID id)
return Success;
}
int DRI2EventBase;
static void
DRI2ExtensionInit(void)
{
@ -624,6 +645,7 @@ DRI2ExtensionInit(void)
NULL,
StandardMinorOpcode);
DRI2EventBase = dri2Extension->eventBase;
}
extern Bool noDRI2Extension;