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authorEric Anholt <anholt@FreeBSD.org>2005-05-30 06:15:29 +0000
committerEric Anholt <anholt@FreeBSD.org>2005-05-30 06:15:29 +0000
commitb328dded7513c6092861197f6ba2edf9341e46d3 (patch)
tree7ee4cff1457aed635c343fd6301c717767278df6 /src/mesa/drivers/dri/mga
parentc1b87b2a063034a0584d20ac21d5349f1e85d58a (diff)
Pull hardware locking out into SpanRenderStart/Finish rather than
HW_LOCK/UNLOCK. Provides a 61% performance improvement in no_rast=true quake3 (n=2, 320x240, 16bpp, p4 1ghz), and a factor of 3 improvement in no_rast glxgears.
Diffstat (limited to 'src/mesa/drivers/dri/mga')
-rw-r--r--src/mesa/drivers/dri/mga/mgaspan.c30
1 files changed, 20 insertions, 10 deletions
diff --git a/src/mesa/drivers/dri/mga/mgaspan.c b/src/mesa/drivers/dri/mga/mgaspan.c
index 4279dfd95b..8487f4b83f 100644
--- a/src/mesa/drivers/dri/mga/mgaspan.c
+++ b/src/mesa/drivers/dri/mga/mgaspan.c
@@ -36,6 +36,7 @@
#define DBG 0
#define LOCAL_VARS \
+ mgaContextPtr mmesa = MGA_CONTEXT(ctx); \
__DRIdrawablePrivate *dPriv = mmesa->mesa_drawable; \
mgaScreenPrivate *mgaScreen = mmesa->mgaScreen; \
__DRIscreenPrivate *sPriv = mmesa->driScreen; \
@@ -55,6 +56,7 @@
#define LOCAL_DEPTH_VARS \
+ mgaContextPtr mmesa = MGA_CONTEXT(ctx); \
__DRIdrawablePrivate *dPriv = mmesa->mesa_drawable; \
mgaScreenPrivate *mgaScreen = mmesa->mgaScreen; \
__DRIscreenPrivate *sPriv = mmesa->driScreen; \
@@ -81,11 +83,7 @@
}
-#define HW_LOCK() \
- mgaContextPtr mmesa = MGA_CONTEXT(ctx); \
- FLUSH_BATCH(mmesa); \
- LOCK_HARDWARE_QUIESCENT(mmesa);
-
+#define HW_LOCK()
#define HW_CLIPLOOP() \
do { \
@@ -100,10 +98,7 @@
} \
} while (0)
-#define HW_UNLOCK() \
- UNLOCK_HARDWARE(mmesa);
-
-
+#define HW_UNLOCK()
@@ -220,6 +215,20 @@ static void mgaDDSetBuffer(GLcontext *ctx, GLframebuffer *buffer,
? mmesa->driDrawable : mmesa->driReadable;
}
+void mgaSpanRenderStart( GLcontext *ctx )
+{
+ mgaContextPtr mmesa = MGA_CONTEXT(ctx);
+ FLUSH_BATCH( mmesa );
+ LOCK_HARDWARE_QUIESCENT( mmesa );
+}
+
+void mgaSpanRenderFinish( GLcontext *ctx )
+{
+ mgaContextPtr mmesa = MGA_CONTEXT(ctx);
+ _swrast_flush( ctx );
+ UNLOCK_HARDWARE( mmesa );
+}
+
/**
* Initialize the driver callbacks for the read / write span functions.
*
@@ -269,10 +278,11 @@ void mgaDDInitSpanFuncs( GLcontext *ctx )
#endif
break;
}
+ swdd->SpanRenderStart = mgaSpanRenderStart;
+ swdd->SpanRenderFinish = mgaSpanRenderFinish;
}
-
/**
* Plug in the Get/Put routines for the given driRenderbuffer.
*/