Merge remote-tracking branch 'origin/released'

* origin/released:
  libXext mesa xkeyboard-config pixman 18 nov 2013

Conflicts:
	libXext/src/eat.h

1 files changed, 14 insertions, 2 deletions

diff --git a/mesalib/src/mesa/main/performance_monitor.c b/mesalib/src/mesa/main/performance_monitor.c
index 17cae5183..6491b4200 100644
--- a/mesalib/src/mesa/main/performance_monitor.c
+++ b/mesalib/src/mesa/main/performance_monitor.c
@@ -62,6 +62,10 @@ new_performance_monitor(struct gl_context *ctx, GLuint index)
    if (m == NULL)
       return NULL;
 
+   m->Name = index;
+
+   m->Active = false;
+
    m->ActiveGroups =
       rzalloc_array(NULL, unsigned, ctx->PerfMonitor.NumGroups);
 
@@ -355,8 +359,10 @@ _mesa_DeletePerfMonitorsAMD(GLsizei n, GLuint *monitors)
 
       if (m) {
          /* Give the driver a chance to stop the monitor if it's active. */
-         if (m->Active)
+         if (m->Active) {
             ctx->Driver.ResetPerfMonitor(ctx, m);
+            m->Ended = false;
+         }
 
          _mesa_HashRemove(ctx->PerfMonitor.Monitors, monitors[i]);
          ralloc_free(m->ActiveGroups);
@@ -474,6 +480,7 @@ _mesa_BeginPerfMonitorAMD(GLuint monitor)
     */
    if (ctx->Driver.BeginPerfMonitor(ctx, m)) {
       m->Active = true;
+      m->Ended = false;
    } else {
       _mesa_error(ctx, GL_INVALID_OPERATION,
                   "glBeginPerfMonitor(driver unable to begin monitoring)");
@@ -503,6 +510,7 @@ _mesa_EndPerfMonitorAMD(GLuint monitor)
    ctx->Driver.EndPerfMonitor(ctx, m);
 
    m->Active = false;
+   m->Ended = true;
 }
 
 /**
@@ -560,8 +568,12 @@ _mesa_GetPerfMonitorCounterDataAMD(GLuint monitor, GLenum pname,
       return;
    }
 
+   /* If the monitor has never ended, there is no result. */
+   bool result_available = m->Ended &&
+      ctx->Driver.IsPerfMonitorResultAvailable(ctx, m);
+
    /* AMD appears to return 0 for all queries unless a result is available. */
-   if (!ctx->Driver.IsPerfMonitorResultAvailable(ctx, m)) {
+   if (!result_available) {
       *data = 0;
       if (bytesWritten != NULL)
          *bytesWritten = sizeof(GLuint);