st/mesa: call st_flush_bitmap_cache() from st_readpixels()

Fixes regression from commit b0427bedde80e3189524651a327235bdfddbc613.

Reviewed-by: José Fonseca <jfonseca@vmware.com>

diff --git a/src/mesa/state_tracker/st_cb_readpixels.c b/src/mesa/state_tracker/st_cb_readpixels.c
index 12d3c99a3517b75cadd39675e42e9392f28ca77e..b8493dab93f0ad02fcc0b7c635fb59c08a9586c3 100644 (file)
--- a/src/mesa/state_tracker/st_cb_readpixels.c
+++ b/src/mesa/state_tracker/st_cb_readpixels.c
@@ -46,6 +46,7 @@
 #include "st_debug.h"
 #include "st_context.h"
 #include "st_atom.h"
+#include "st_cb_bitmap.h"
 #include "st_cb_readpixels.h"
 #include "st_cb_fbo.h"
 
@@ -344,6 +345,8 @@ st_readpixels(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
       return;
    }
 
+   st_flush_bitmap_cache(st);
+
    dest = _mesa_map_pbo_dest(ctx, &clippedPacking, dest);
    if (!dest)
       return;