4 files changed, 30 insertions, 5 deletions

diff --git a/src/gallium/state_trackers/dri/dri_context.c b/src/gallium/state_trackers/dri/dri_context.c
index f2e5f3f..07f0554 100644
--- a/src/gallium/state_trackers/dri/dri_context.c
+++ b/src/gallium/state_trackers/dri/dri_context.c
@@ -101,6 +101,12 @@ dri_destroy_context(__DRIcontext * cPriv)
 {
    struct dri_context *ctx = dri_context(cPriv);
 
+   /* note: we are freeing values and nothing more because
+    * driParseConfigFiles allocated values only - the rest
+    * is owned by screen optionCache.
+    */
+   FREE(ctx->optionCache.values);
+
    /* No particular reason to wait for command completion before
     * destroying a context, but it is probably worthwhile flushing it
     * to avoid having to add code elsewhere to cope with flushing a
diff --git a/src/gallium/state_trackers/dri/dri_drawable.c b/src/gallium/state_trackers/dri/dri_drawable.c
index 0fdfa96..28fd8de 100644
--- a/src/gallium/state_trackers/dri/dri_drawable.c
+++ b/src/gallium/state_trackers/dri/dri_drawable.c
@@ -123,11 +123,12 @@ dri_get_buffers(__DRIdrawable * dPriv)
 
    struct dri_drawable *drawable = dri_drawable(dPriv);
    struct pipe_surface *surface = NULL;
-   struct pipe_screen *screen = dri_screen(drawable->sPriv)->pipe_screen;
+   struct dri_screen *st_screen = dri_screen(drawable->sPriv);
+   struct pipe_screen *screen = st_screen->pipe_screen;
    __DRIbuffer *buffers = NULL;
    __DRIscreen *dri_screen = drawable->sPriv;
    __DRIdrawable *dri_drawable = drawable->dPriv;
-   struct drm_api *api = ((struct dri_screen*)(dri_screen->private))->api;
+   struct drm_api *api = st_screen->api;
    boolean have_depth = FALSE;
    int i, count;
 
@@ -180,7 +181,9 @@ dri_get_buffers(__DRIdrawable * dPriv)
 
       switch (buffers[i].attachment) {
       case __DRI_BUFFER_FRONT_LEFT:
-	 continue;
+	 if (!st_screen->auto_fake_front)
+	    continue;
+	 /* fallthrough */
       case __DRI_BUFFER_FAKE_FRONT_LEFT:
 	 index = ST_SURFACE_FRONT_LEFT;
 	 format = drawable->color_format;
@@ -373,8 +376,8 @@ dri_create_buffer(__DRIscreen * sPriv,
    /* TODO incase of double buffer visual, delay fake creation */
    i = 0;
    drawable->attachments[i++] = __DRI_BUFFER_FRONT_LEFT;
-   drawable->attachments[i++] = __DRI_BUFFER_FAKE_FRONT_LEFT;
-
+   if (!screen->auto_fake_front)
+      drawable->attachments[i++] = __DRI_BUFFER_FAKE_FRONT_LEFT;
    if (visual->doubleBufferMode)
       drawable->attachments[i++] = __DRI_BUFFER_BACK_LEFT;
    if (visual->depthBits && visual->stencilBits)
diff --git a/src/gallium/state_trackers/dri/dri_screen.c b/src/gallium/state_trackers/dri/dri_screen.c
index d8c0543..cdc8eb1 100644
--- a/src/gallium/state_trackers/dri/dri_screen.c
+++ b/src/gallium/state_trackers/dri/dri_screen.c
@@ -292,6 +292,8 @@ dri_init_screen2(__DRIscreen * sPriv)
 {
    struct dri_screen *screen;
    struct drm_create_screen_arg arg;
+   const __DRIdri2LoaderExtension *dri2_ext =
+     sPriv->dri2.loader;
 
    screen = CALLOC_STRUCT(dri_screen);
    if (!screen)
@@ -317,6 +319,9 @@ dri_init_screen2(__DRIscreen * sPriv)
    driParseOptionInfo(&screen->optionCache,
 		      __driConfigOptions, __driNConfigOptions);
 
+   screen->auto_fake_front = dri2_ext->base.version >= 3 &&
+      dri2_ext->getBuffersWithFormat != NULL;
+
    return dri_fill_in_modes(screen, 32);
  fail:
    return NULL;
@@ -326,8 +331,18 @@ static void
 dri_destroy_screen(__DRIscreen * sPriv)
 {
    struct dri_screen *screen = dri_screen(sPriv);
+   int i;
 
    screen->pipe_screen->destroy(screen->pipe_screen);
+   
+   for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
+      FREE(screen->optionCache.info[i].name);
+      FREE(screen->optionCache.info[i].ranges);
+   }
+
+   FREE(screen->optionCache.info);
+   FREE(screen->optionCache.values);
+
    FREE(screen);
    sPriv->private = NULL;
 }
diff --git a/src/gallium/state_trackers/dri/dri_screen.h b/src/gallium/state_trackers/dri/dri_screen.h
index 03387a0..75a0ee4 100644
--- a/src/gallium/state_trackers/dri/dri_screen.h
+++ b/src/gallium/state_trackers/dri/dri_screen.h
@@ -59,6 +59,7 @@ struct dri_screen
    struct pipe_screen *pipe_screen;
    boolean d_depth_bits_last;
    boolean sd_depth_bits_last;
+   boolean auto_fake_front;
 };
 
 /** cast wrapper */