2 files changed, 76 insertions, 14 deletions

diff --git a/src/mesa/drivers/dri/common/dri_util.c b/src/mesa/drivers/dri/common/dri_util.c
index e08005f90b..360c524754 100644
--- a/src/mesa/drivers/dri/common/dri_util.c
+++ b/src/mesa/drivers/dri/common/dri_util.c
@@ -31,6 +31,16 @@
 #include "dri_util.h"
 #include "drm_sarea.h"
 #include "utils.h"
+#include "xmlpool.h"
+
+PUBLIC const char __dri2ConfigOptions[] =
+   DRI_CONF_BEGIN
+      DRI_CONF_SECTION_PERFORMANCE
+         DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_1)
+      DRI_CONF_SECTION_END
+   DRI_CONF_END;
+
+static const uint __dri2NConfigOptions = 1;
 
 #ifndef GLX_OML_sync_control
 typedef GLboolean ( * PFNGLXGETMSCRATEOMLPROC) (__DRIdrawable *drawable, int32_t *numerator, int32_t *denominator);
@@ -143,19 +153,24 @@ static int driBindContext(__DRIcontext *pcp,
 {
     __DRIscreen *psp = NULL;
 
-    /* Bind the drawable to the context */
+    /*
+    ** Assume error checking is done properly in glXMakeCurrent before
+    ** calling driUnbindContext.
+    */
 
-    if (pcp) {
-	psp = pcp->driScreenPriv;
-	pcp->driDrawablePriv = pdp;
-	pcp->driReadablePriv = prp;
-	if (pdp) {
-	    pdp->driContextPriv = pcp;
-    	    dri_get_drawable(pdp);
-	}
-	if ( prp && pdp != prp ) {
-    	    dri_get_drawable(prp);
-	}
+    if (!pcp)
+	return GL_FALSE;
+
+    /* Bind the drawable to the context */
+    psp = pcp->driScreenPriv;
+    pcp->driDrawablePriv = pdp;
+    pcp->driReadablePriv = prp;
+    if (pdp) {
+	pdp->driContextPriv = pcp;
+	dri_get_drawable(pdp);
+    }
+    if (prp && pdp != prp) {
+	dri_get_drawable(prp);
     }
 
     /*
@@ -163,7 +178,6 @@ static int driBindContext(__DRIcontext *pcp,
     ** initialize the drawable information if has not been done before.
     */
 
-    assert(psp);
     if (!psp->dri2.enabled) {
 	if (pdp && !pdp->pStamp) {
 	    DRM_SPINLOCK(&psp->pSAREA->drawable_lock, psp->drawLockID);
@@ -178,7 +192,6 @@ static int driBindContext(__DRIcontext *pcp,
     }
 
     /* Call device-specific MakeCurrent */
-
     return (*psp->DriverAPI.MakeCurrent)(pcp, pdp, prp);
 }
 
@@ -467,6 +480,41 @@ dri2CreateNewDrawable(__DRIscreen *screen,
     return pdraw;
 }
 
+static int
+dri2ConfigQueryb(__DRIscreen *screen, const char *var, GLboolean *val)
+{
+   if (!driCheckOption(&screen->optionCache, var, DRI_BOOL))
+      return -1;
+
+   *val = driQueryOptionb(&screen->optionCache, var);
+
+   return 0;
+}
+
+static int
+dri2ConfigQueryi(__DRIscreen *screen, const char *var, GLint *val)
+{
+   if (!driCheckOption(&screen->optionCache, var, DRI_INT) &&
+       !driCheckOption(&screen->optionCache, var, DRI_ENUM))
+      return -1;
+
+    *val = driQueryOptioni(&screen->optionCache, var);
+
+    return 0;
+}
+
+static int
+dri2ConfigQueryf(__DRIscreen *screen, const char *var, GLfloat *val)
+{
+   if (!driCheckOption(&screen->optionCache, var, DRI_FLOAT))
+      return -1;
+
+    *val = driQueryOptionf(&screen->optionCache, var);
+
+    return 0;
+}
+
+
 static void dri_get_drawable(__DRIdrawable *pdp)
 {
     pdp->refcount++;
@@ -788,6 +836,7 @@ dri2CreateNewScreen(int scrn, int fd,
     static const __DRIextension *emptyExtensionList[] = { NULL };
     __DRIscreen *psp;
     drmVersionPtr version;
+    driOptionCache options;
 
     if (driDriverAPI.InitScreen2 == NULL)
         return NULL;
@@ -821,6 +870,9 @@ dri2CreateNewScreen(int scrn, int fd,
 
     psp->DriverAPI = driDriverAPI;
 
+    driParseOptionInfo(&options, __dri2ConfigOptions, __dri2NConfigOptions);
+    driParseConfigFiles(&psp->optionCache, &options, psp->myNum, "dri2");
+
     return psp;
 }
 
@@ -865,6 +917,13 @@ const __DRIdri2Extension driDRI2Extension = {
     dri2CreateNewContextForAPI
 };
 
+const __DRI2configQueryExtension dri2ConfigQueryExtension = {
+   { __DRI2_CONFIG_QUERY, __DRI2_CONFIG_QUERY_VERSION },
+   dri2ConfigQueryb,
+   dri2ConfigQueryi,
+   dri2ConfigQueryf,
+};
+
 static int
 driFrameTracking(__DRIdrawable *drawable, GLboolean enable)
 {
diff --git a/src/mesa/drivers/dri/common/dri_util.h b/src/mesa/drivers/dri/common/dri_util.h
index 4b7cd414b8..ab6c6e57af 100644
--- a/src/mesa/drivers/dri/common/dri_util.h
+++ b/src/mesa/drivers/dri/common/dri_util.h
@@ -51,6 +51,7 @@
 #include <drm.h>
 #include <drm_sarea.h>
 #include <xf86drm.h>
+#include "xmlconfig.h"
 #include "main/glheader.h"
 #include "main/mtypes.h"
 #include "GL/internal/glcore.h"
@@ -71,6 +72,7 @@ extern const __DRIcopySubBufferExtension driCopySubBufferExtension;
 extern const __DRIswapControlExtension driSwapControlExtension;
 extern const __DRIframeTrackingExtension driFrameTrackingExtension;
 extern const __DRImediaStreamCounterExtension driMediaStreamCounterExtension;
+extern const __DRI2configQueryExtension dri2ConfigQueryExtension;
 
 /**
  * Used by DRI_VALIDATE_DRAWABLE_INFO
@@ -530,6 +532,7 @@ struct __DRIscreenRec {
     /* The lock actually in use, old sarea or DRI2 */
     drmLock *lock;
 
+    driOptionCache optionCache;
    unsigned int api_mask;
 };