sna/dri: Honour TripleBuffer Option

In case anyone ever wants to disable the default.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

5 files changed, 6 insertions, 3 deletions

diff --git a/src/intel_options.c b/src/intel_options.c
index 443e84d7..f7ff5958 100644
--- a/src/intel_options.c
+++ b/src/intel_options.c
@@ -14,6 +14,7 @@ const OptionInfoRec intel_options[] = {
 	{OPTION_TILING_2D,	"Tiling",	OPTV_BOOLEAN,	{0},	1},
 	{OPTION_TILING_FB,	"LinearFramebuffer",	OPTV_BOOLEAN,	{0},	0},
 	{OPTION_SWAPBUFFERS_WAIT, "SwapbuffersWait", OPTV_BOOLEAN,	{0},	1},
+	{OPTION_TRIPLE_BUFFER,	"TripleBuffer", OPTV_BOOLEAN,	{0},	1},
 	{OPTION_PREFER_OVERLAY, "XvPreferOverlay", OPTV_BOOLEAN, {0}, 0},
 	{OPTION_HOTPLUG,	"HotPlug",	OPTV_BOOLEAN,	{0},	1},
 	{OPTION_RELAXED_FENCING,"RelaxedFencing",	OPTV_BOOLEAN,	{0},	1},
@@ -33,7 +34,6 @@ const OptionInfoRec intel_options[] = {
 	{OPTION_DEBUG_FLUSH_CACHES, "DebugFlushCaches", OPTV_BOOLEAN, {0}, 0},
 	{OPTION_DEBUG_WAIT, "DebugWait", OPTV_BOOLEAN, {0}, 0},
 	{OPTION_BUFFER_CACHE,	"BufferCache",	OPTV_BOOLEAN,   {0},    1},
-	{OPTION_TRIPLE_BUFFER,	"TripleBuffer", OPTV_BOOLEAN,	{0},	1},
 #endif
 	{-1,			NULL,		OPTV_NONE,	{0},	0}
 };
diff --git a/src/intel_options.h b/src/intel_options.h
index 3b5262a5..953fc9c8 100644
--- a/src/intel_options.h
+++ b/src/intel_options.h
@@ -20,6 +20,7 @@ enum intel_options {
 	OPTION_TILING_2D,
 	OPTION_TILING_FB,
 	OPTION_SWAPBUFFERS_WAIT,
+	OPTION_TRIPLE_BUFFER,
 	OPTION_PREFER_OVERLAY,
 	OPTION_HOTPLUG,
 	OPTION_RELAXED_FENCING,
@@ -40,7 +41,6 @@ enum intel_options {
 	OPTION_DEBUG_FLUSH_CACHES,
 	OPTION_DEBUG_WAIT,
 	OPTION_BUFFER_CACHE,
-	OPTION_TRIPLE_BUFFER,
 #endif
 	NUM_OPTIONS,
 };
diff --git a/src/sna/sna.h b/src/sna/sna.h
index 9b93ed91..8861fd9a 100644
--- a/src/sna/sna.h
+++ b/src/sna/sna.h
@@ -200,6 +200,7 @@ struct sna {
 #define SNA_NO_FLIP		0x8
 #define SNA_TEAR_FREE		0x10
 #define SNA_FORCE_SHADOW	0x20
+#define SNA_TRIPLE_BUFFER	0x40
 
 	unsigned watch_flush;
 
diff --git a/src/sna/sna_dri.c b/src/sna/sna_dri.c
index c05e8b41..522549ac 100644
--- a/src/sna/sna_dri.c
+++ b/src/sna/sna_dri.c
@@ -1769,7 +1769,7 @@ sna_dri_schedule_flip(ClientPtr client, DrawablePtr draw, DRI2BufferPtr front,
 		if (info == NULL)
 			return false;
 
-		info->type = DRI2_FLIP_THROTTLE;
+		info->type = sna->flags & SNA_TRIPLE_BUFFER ? DRI2_FLIP_THROTTLE: DRI2_FLIP;
 
 		info->draw = draw;
 		info->client = client;
diff --git a/src/sna/sna_driver.c b/src/sna/sna_driver.c
index fc80cf34..22770c79 100644
--- a/src/sna/sna_driver.c
+++ b/src/sna/sna_driver.c
@@ -504,6 +504,8 @@ static Bool sna_pre_init(ScrnInfoPtr scrn, int flags)
 		sna->flags |= SNA_NO_DELAYED_FLUSH;
 	if (!xf86ReturnOptValBool(sna->Options, OPTION_SWAPBUFFERS_WAIT, TRUE))
 		sna->flags |= SNA_NO_WAIT;
+	if (xf86ReturnOptValBool(sna->Options, OPTION_TRIPLE_BUFFER, TRUE))
+		sna->flags |= SNA_TRIPLE_BUFFER;
 	if (has_pageflipping(sna)) {
 		if (xf86ReturnOptValBool(sna->Options, OPTION_TEAR_FREE, FALSE))
 			sna->flags |= SNA_TEAR_FREE;