Attachment 8627 Details for Bug 9379 – patch to disable span locking

[patch] patch to disable span locking

r128_dlock.patch (text/plain), 1.78 KB, created by Miroslav Šustek on 2007-02-07 11:39:10 UTC

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Creator: Miroslav Šustek

Created: 2007-02-07 11:39:10 UTC

Size: 1.78 KB

patch

obsolete

>--- src/mesa/drivers/dri/r128.bak/r128_context.h	2007-02-06 17:28:55.000000000 +0100
>+++ src/mesa/drivers/dri/r128/r128_context.h	2007-02-06 17:50:54.000000000 +0100
>@@ -218,6 +218,8 @@
>    /* Configuration cache
>     */
>    driOptionCache optionCache;
>+
>+   GLboolean span_dlocking;
> };
> 
> #define R128_CONTEXT(ctx)		((r128ContextPtr)(ctx->DriverCtx))
>--- src/mesa/drivers/dri/r128.bak/r128_span.c	2007-02-06 17:28:55.000000000 +0100
>+++ src/mesa/drivers/dri/r128/r128_span.c	2007-02-06 18:07:39.000000000 +0100
>@@ -34,6 +34,8 @@
>  *
>  */
> 
>+#include <unistd.h>
>+
> #include "r128_context.h"
> #include "r128_ioctl.h"
> #include "r128_state.h"
>@@ -403,6 +405,29 @@
> r128SpanRenderStart( GLcontext *ctx )
> {
>    r128ContextPtr rmesa = R128_CONTEXT(ctx);
>+   {
>+        static int first = 1;
>+
>+        if (first) {
>+                rmesa->span_dlocking = getenv("R128_SPAN_ENABLE_LOCKING") ? 0 : 1;
>+                if (rmesa->span_dlocking == 0) {
>+                        fprintf(stderr, "You set R128_SPAN_ENABLE_LOCKING env var\nit may cause hanging in some apps.");
>+                        fflush(stderr);
>+                        sleep(1);
>+                }
>+                first = 0;
>+        }
>+
>+        if (rmesa->span_dlocking) {
>+                FLUSH_BATCH(rmesa);
>+                LOCK_HARDWARE( rmesa );
>+                r128WaitForIdleLocked( rmesa );
>+                UNLOCK_HARDWARE( rmesa );
>+
>+                return;
>+        }
>+   }
>+
>    FLUSH_BATCH(rmesa);
>    LOCK_HARDWARE(rmesa);
>    r128WaitForIdleLocked( rmesa );
>@@ -413,8 +438,8 @@
> {
>    r128ContextPtr rmesa = R128_CONTEXT(ctx);
>    _swrast_flush( ctx );
>-   r128WaitForIdleLocked( rmesa );
>-   UNLOCK_HARDWARE( rmesa );
>+   if (rmesa->span_dlocking == 0)
>+        UNLOCK_HARDWARE( rmesa );
> }
> 
> void r128DDInitSpanFuncs( GLcontext *ctx )

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